WO2015015885A1 - マルチレベル電力変換装置 - Google Patents
マルチレベル電力変換装置 Download PDFInfo
- Publication number
- WO2015015885A1 WO2015015885A1 PCT/JP2014/064105 JP2014064105W WO2015015885A1 WO 2015015885 A1 WO2015015885 A1 WO 2015015885A1 JP 2014064105 W JP2014064105 W JP 2014064105W WO 2015015885 A1 WO2015015885 A1 WO 2015015885A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- switching elements
- voltage
- phase
- output
- terminal
- Prior art date
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/483—Converters with outputs that each can have more than two voltages levels
- H02M7/4837—Flying capacitor converters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/483—Converters with outputs that each can have more than two voltages levels
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/483—Converters with outputs that each can have more than two voltages levels
- H02M7/487—Neutral point clamped inverters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0095—Hybrid converter topologies, e.g. NPC mixed with flying capacitor, thyristor converter mixed with MMC or charge pump mixed with buck
Definitions
- the present invention relates to a multiphase multilevel power converter, and more particularly to a multilevel power converter using a flying capacitor in common in each phase.
- FIG. 29 is a circuit configuration diagram showing a multilevel power conversion device in Patent Document 1.
- controlling DC voltage sources DCC1 and DCC2 to 2E, and flying capacitors FC1 and FC2 to E output terminals U, V, W to 2E, E, 0, -E, -2E Can output phase voltage of 5 levels.
- the maximum applied voltage of each of the switching elements Su1 to Su8, Sv1 to Sv8, and Sw1 to Sw8 and each of the diode elements Su9 to Su12, Sv9 to Sv12, and Sw9 to Sw12 is E.
- Su6b and Su8 are configured in series. The same applies to switching elements Su7 and Su5b, Sv6b and Sv8, Sv7 and Sv5b, Sw6b and Sw8, Sw7 and Sw5b, Su9 and Su10, Su11 and Su12, Sv9 and Sv10, Sv11, Sv12, Sw9 and Sw10, Sw11 and Sw12. .
- FIG. 30 a multilevel power converter as shown in FIG. 30 has been proposed.
- the number of capacitors used is reduced by making the DC voltage sources DCC1 and DCC2 used and the flying capacitors FC1 and FC2 common to three phases, thereby achieving downsizing of the device.
- the circuit of FIG. 29 can output phase voltages of five levels, and is configured of 10 switching elements and 4 diode elements per phase. If FIG. 29 is considered as a three-phase DC / AC converter, the number of switching elements used is 30, the number of diode elements is 12, and the total number is 42. As described above, the conventional multilevel power conversion device uses a large number of elements, resulting in high cost and large size of the device.
- the multilevel power conversion device shown in FIG. 30 can arbitrarily select the charge / discharge pattern of the common flying capacitor regardless of the phase voltage level to be output.
- components other than the DC voltage sources DCC1 and DCC2 and the flying capacitors FC1 and FC2 are used independently in each phase, the number of switching elements is large, and the cost and size of the apparatus has been increased.
- the three-phase five-level power converter shown in FIG. 30 as many as 48 switching elements are required per three phases.
- the total number of switching elements used can be reduced by providing switching elements S1 and S2 common to M phases, but the charge and discharge patterns of the flying capacitors FC1 and FC2 common to each phase There is a drawback that you can not choose any.
- FIG. 32 shows switching patterns of the output phase voltage levels E and -E.
- FIG. 33 shows an example of a charge / discharge pattern which can not be selected arbitrarily for the flying capacitor FC2.
- (circle) in the figure represents the switching element in conduction.
- the output phase voltage levels E and -E each have two patterns of output method, the pattern of E charges and discharges the flying capacitor FC2, and the pattern of -E charges the flying capacitor FC1, It is possible to discharge.
- the output pattern of (b) of FIG. 32 is not applicable and is limited to the output pattern of (a) of FIG. Understand that it If the charge / discharge pattern is limited in this way, the charge / discharge of the flying capacitors FC1 and FC2 can not be switched arbitrarily, which causes a problem that the control method becomes complicated.
- the multiphase multilevel power conversion device it is an object to reduce the number of elements used and to reduce the cost and size of the device.
- the present invention has been made in view of the above-described conventional problems, and one aspect thereof is multilevel power generating an AC output converted from a voltage of a DC voltage source, a flying capacitor, and a capacitor to a plurality of voltage levels
- a converter comprising N (N ⁇ 2) series-connected DC voltage sources common to respective phases, a first flying capacitor common to each phase whose one end is connected to the negative terminal of each DC voltage source, and A second flying capacitor common to each phase, one end of which is connected to the positive terminal of the DC voltage source, a positive terminal, a negative terminal of the first flying capacitor, a positive terminal of the second flying capacitor, and a negative terminal are input terminals.
- One end of the switching element is connected to the terminal, the other ends of two adjacent switching elements are connected, and the other end is connected to a common connection point of the switching elements. Connect the ends, repeat this to the final stage where the number of switching elements will be two, connect the switching elements of the two output stages in series between the other ends of the two switching elements of the final stage, and switch the two switching elements of the output stage.
- the capacitors are connected in parallel to each other, the common connection point of the switching elements in the output stage is used as an output terminal, and the switching elements are selectively turned on and off to control the potential of any one of the input terminals.
- the phase module of M phase (M ⁇ 2) which outputs the potential obtained by adding and subtracting the voltage of the capacitor to the potential of any one of the input terminals from the output terminal. .
- the present invention relates to a multilevel power conversion device that generates an AC output converted from a voltage of a DC voltage source, a flying capacitor and a capacitor to a plurality of voltage levels, and N (N22) series connected
- a DC voltage source common to each phase a first flying capacitor whose positive terminal is connected to a common connection point of an nth DC voltage source (n: odd) and an n + 1 DC voltage source (n + 1: even);
- a second flying capacitor whose negative end is connected to a common connection point of the direct current voltage source and the (n + 1) th direct current voltage source; a negative end of the nth direct current voltage source; a negative end of the first flying capacitor;
- the positive terminal of the second flying capacitor is used as an input terminal, one end of the switching element is connected to each input terminal, the other ends of two adjacent switching elements are connected, and the other ends are connected to each other.
- One end of the switching element is connected to the common connection point of the connected switching elements, and this is repeated to the final stage where the number of switching elements is two, and switching elements of two output stages between the other ends of the two switching elements in the final stage Are connected in series, capacitors are connected in parallel to the two switching elements in the output stage, and the common connection point of the switching elements in the output stage is used as the output terminal, and each switching element is selectively turned ON and OFF.
- An M phase module that outputs from the output terminal the potential obtained by adding and subtracting the voltage of the capacitor to the potential of any one of the input terminals or the potential of any one of the input terminals; It is characterized by having.
- the present invention relates to a multilevel power conversion device that generates an AC output converted from a voltage of a DC voltage source, a flying capacitor and a capacitor to a plurality of voltage levels, wherein two DCs connected in series are common A first DC voltage source and a second DC voltage source, wherein the voltage source, N number of first to Nth flying capacitors common to respective phases, whose negative terminals are sequentially connected in series to the negative terminal of the first DC voltage source;
- the negative terminal is connected in series to the common connection point of N number N 2nd to Nth +1 flying capacitors common to each phase in which the positive electrode end is sequentially connected in series to the common connection point, and the first DC voltage source and the second DC voltage source N common second N + 1 to third N flying capacitors common to each phase, and N fourth to third N + 1 flying capacitors common to each phase in which positive terminals are sequentially connected in series to the positive terminal of the second DC voltage source
- the switching elements are connected in series, and capacitors are connected in parallel to the two switching elements in the output stage.
- the common connection point of the stage switching elements is used as an output terminal, and each switching element is selectively turned on and off to control the potential of any one of the input terminals or any of the input terminals.
- a phase module of M phase for outputting from the output terminal the potential obtained by adding and subtracting the voltage of the capacitor to the potential of the terminal.
- the present invention relates to a multilevel power conversion device that generates an AC output converted from a voltage of a DC voltage source, a flying capacitor and a capacitor to a plurality of voltage levels, wherein two DCs connected in series are common A voltage source, N number of first to Nth flying capacitors common to respective phases sequentially connected in series on the negative electrode side of the first DC voltage source, and a positive electrode terminal on the positive electrode side of the second DC voltage source Are sequentially connected in series to N common N + 1th to 2Nth flying capacitors common to each phase, positive and negative terminals of the first flying capacitor, positive terminals of the second to Nth flying capacitors, and N + 1 to 2N-1
- the negative terminal of the flying capacitor and the positive and negative terminals of the second N flying capacitor are used as input terminals, one end of the switching element is connected to each input terminal, and two adjacent switching elements are connected.
- the other end of the switching element is connected to the other end, and one end of the switching element is connected to the common connection point of the switching elements connected to the other end. This is repeated until the final stage where two switching elements are formed.
- the switching elements of the two output stages are connected in series between the other ends of the capacitors, capacitors are connected in parallel to the two switching elements of the output stage, and the common connection point of the switching elements of the output stage is an output terminal.
- first DC voltage source and the second DC voltage source may be integrated into one DC voltage source.
- the present invention relates to a multilevel power converter for generating an AC output obtained by converting a voltage of a DC voltage source and a capacitor to a plurality of voltage levels, wherein 2N + 2 series connected DC voltage sources common to each phase
- the positive and negative terminals of the first and second N + 2 DC voltage sources, the positive terminals of the second to Nth DC voltage sources, and the negative terminals of the N + 3 and second N + 1 DC voltage sources are input terminals, and switching elements are provided at each input terminals.
- the other end of two adjacent switching elements is connected, and one end of the switching element is connected to the common connection point of the switching elements whose other ends are connected.
- the switching elements of the two output stages are connected in series between the other ends of the two switching elements of the final stage, and for the two switching elements of the output stage,
- the capacitors are connected in parallel, the common connection point of the switching elements in the output stage is used as an output terminal, and the switching elements are selectively turned on and off to control the potential of any one of the input terminals or
- a phase module of M phase is provided, which outputs the potential obtained by adding and subtracting the voltage of the capacitor to the potential of any one of the input terminals from the output terminal.
- the (N + 1) th DC voltage source and the (N + 2) th DC voltage source may be integrated into one DC voltage source.
- the present invention relates to a multilevel power converter for generating an AC output obtained by converting a DC voltage to a plurality of voltage levels, wherein N (N ⁇ 2) series connected DC voltage sources common to respective phases and A first semiconductor element whose one end is connected to the positive terminal of each DC voltage source, a second semiconductor element whose one end is connected to the negative terminal of each DC voltage source, the other end of the first semiconductor element, a second A flying capacitor connected between the other end of the semiconductor element and a third connection point between a common connection point of the first semiconductor element and the flying capacitor and a common connection point of the second semiconductor element and the flying capacitor; A common cell having a fourth semiconductor element common to each phase, at least one of the one end of the first semiconductor element and the one end of the second semiconductor element, and a common connection point of the third and fourth semiconductor elements Input terminal, each input end And a switching element between the output terminals, selectively ON the switching elements, characterized by comprising a phase module of M phase OFF control (M ⁇ 3), the
- the phase module connects one end of the switching element to each input terminal, connects the other ends of two adjacent switching elements, and connects the other ends to a common connection point of the switching elements Connect one end of the switching element to the final stage where the number of switching elements becomes two, and connect the switching elements of two output stages in series between the other ends of the two switching elements of the final stage.
- Capacitors are connected in parallel to the two switching elements, and the common connection point of the switching elements of the output stage is used as an output terminal, and each of the switching elements is selectively turned on and off to control any of the input terminals. Whether the potential at the terminal of V or the potential at which the voltage of the capacitor is added or subtracted from the potential of any one of the input terminals is the output terminal And outputs.
- one end of the first switching element is connected to one of the one end of the first semiconductor element and one end of the second semiconductor element, and the third and fourth semiconductor elements are commonly connected Connecting one end of the second switching element to a point, connecting the other ends of the first and second switching elements, and connecting one end of the third switching element to a common connection point of the first and second switching elements;
- One end of a series circuit in which a fourth switching element and a fifth switching element are connected in series is connected to the other end of the three switching elements, and one common connecting point of one end of the first semiconductor element and one end of the second semiconductor element
- the cathode of the first diode and the anode of the second diode are connected to each other, and the fourth switching element and the fifth switching element are connected in series in parallel to the first diode and the second diode.
- the series circuit is connected, and the common connection point of the fourth and fifth switching elements is used as the output terminal, or when there are multiple fourth and fifth switching elements, the common connection point of the fourth and fifth switching elements One end of the switching element is connected, the other end of two adjacent switching elements are connected, the switching element is connected to the common connection point of the switching elements connected the other ends, and this becomes two switching elements Repeating up to the output stage, using the common connection point of the two switching elements of the output stage as the output terminal, and selectively controlling the switching elements ON and OFF, the potential of any one of the input terminals is output. It is characterized by outputting from.
- one end of the first switching element is connected to one of the one end of the first semiconductor element and one end of the second semiconductor element, and the third and fourth semiconductor elements are commonly connected Connecting one end of the second switching element to a point, connecting the other ends of the first and second switching elements, and connecting one end of the third switching element to a common connection point of the first and second switching elements;
- One end of a bidirectional switch is connected to the other end of one semiconductor element and one end of the second semiconductor element, the other end of the third switching element is connected to the other end of the bidirectional switch, and the third switching element Using the common connection point of the bi-directional switch as an output terminal, and selectively turning on and off each switching element to output the potential of any one of the input terminals from the output terminal.
- two switching elements are connected in series between the other ends of the two adjacent switching elements other than the final stage, and capacitors are connected in parallel to the two switching elements connected in series, and two switches connected in series
- One end of the switching element in the next stage is connected to the common connection point of the elements, and each switching element is selectively turned ON / OFF to control the potential of any one of the input terminals or the input terminal.
- the voltage of a capacitor connected in parallel to the switching element of the output stage or a capacitor connected in parallel to the switching element connected in series between adjacent switching elements other than the final stage is added to or subtracted from the potential of any one of the terminals
- the output potential may be output from the output terminal.
- each DC voltage source may be divided into two or more in series.
- part or all of the switching elements may be divided into two or more in series, or part or all of the switching elements may be divided into two or more in parallel.
- the present invention in the multiphase multilevel power conversion device, it is possible to reduce the number of elements used and to reduce the cost and size of the device.
- FIG. 1 is a circuit diagram showing a multilevel power conversion device according to a first embodiment.
- FIG. 5 is a schematic view showing an operation example according to output voltage in the first embodiment.
- FIG. 5 is a circuit diagram showing a multilevel power conversion device according to a second embodiment.
- FIG. 8 is a schematic view showing an operation example according to output voltage in the second embodiment.
- FIG. 7 is a circuit diagram showing a multilevel power conversion device according to a third embodiment.
- FIG. 10 is a circuit diagram showing a multilevel power conversion device according to a fourth embodiment.
- FIG. 14 is a circuit diagram showing a multilevel power conversion device according to a fifth embodiment.
- FIG. FIG. 14 is a circuit diagram showing a multilevel power conversion device according to a seventh embodiment.
- FIG. 18 is a circuit diagram showing a multilevel power conversion device according to an eighth embodiment.
- FIG. FIG. 24 is a circuit diagram showing a multilevel power conversion device according to a thirteenth embodiment.
- FIG. 24 is a circuit diagram showing a multilevel power conversion device according to a fourteenth embodiment. Schematic which shows the switching pattern of a basic cell.
- FIG. 21 is a schematic view illustrating a voltage-specific switching pattern of the multilevel power conversion device according to a fourteenth embodiment.
- FIG. 21 is a circuit diagram showing a multilevel power conversion device according to a fifteenth embodiment.
- FIG. 21 is a schematic view showing a voltage-specific switching pattern of the multilevel power conversion device according to a fifteenth embodiment;
- the circuit block diagram which shows the multilevel power converter device in Embodiment 16.
- FIG. The schematic which shows the switching pattern according to voltage of the multilevel power converter device in Embodiment 16.
- FIG. Schematic which shows a phase module.
- the circuit block diagram which shows an example of the conventional multi-level power converter device.
- the circuit block diagram which shows the other example of the conventional multi-level power converter device.
- the circuit block diagram which shows the other example of the conventional multi-level power converter device.
- Schematic which shows the switching pattern of output phase voltage E of the conventional multilevel power converter device, and -E. Schematic which shows the switching pattern which can not be selected.
- Embodiment 1 An example of a pattern for outputting the phase voltage 0 in the prior art shown in FIG. 29 is shown in FIG.
- the phase voltage 0 is output using the diode elements Su9 to Su12, but if the phase voltage 0 can be output by other means, these diode elements Su9 to Su12 are It can be omitted.
- the diode elements Su9 to Su12, Sv9 to Sv12, and Sw9 to Sw12 are omitted, and The number is reduced.
- the multilevel power conversion device includes DC voltage sources DCC1 and DCC2 and flying capacitors FC1 and FC2 common to the respective phases, and the voltage is selected by the phase modules respectively provided to the respective phases, and the output terminal U is selected. , V, W output.
- the phase module includes switching elements Su1 to Su8 and a capacitor FC1 u in the U phase.
- Direct-current voltage sources direct-current capacitors or direct-current power sources
- DCC1 and DCC2 are connected in series, and a common connection point (neutral point) of the direct-current voltage sources DCC1 and DCC2 is a terminal 0.
- the negative terminal of the flying capacitor FC1 common to each phase is connected to the negative terminal of the DC voltage source DCC1, and the positive terminal of the flying capacitor FC2 is connected to the positive terminal of the DC voltage source DCC2.
- the positive electrode terminal and the negative electrode terminal of the flying capacitor FC1, and the positive electrode terminal and the negative electrode terminal of the flying capacitor FC2 are connected as input terminals to the phase module of each phase.
- each of the switching elements Su1 to Su4 is connected to each input terminal, and the other ends of the adjacent switching elements Su1 and Su2 and Su3 and Su4 are connected to each other.
- One end of the switching elements Su5a and Su6a is connected to the common connection point between adjacent switching elements Su1 and Su2, Su3 and Su4, and the other end is output via the switching elements Su5b and Su6b between the other ends of the switching elements Su5a and Su6a.
- the stage switching elements Su7 and Su8 are sequentially connected in series.
- a capacitor FC1u is connected in parallel to the switching elements Su7 and Su8 of the output stage, and a common connection point of the switching elements Su7 and Su8 of the output stage is an output terminal U.
- the switching elements Su5b and Su6b are connected in series to the switching elements Su5a and Su6a for withstand voltage.
- the voltage of the capacitor FC1u is set to the potential of any one of the input terminals or the potential of any one of the input terminals by selectively turning on and off each switching element of this phase module.
- the potential obtained by addition and subtraction can be output from the output terminal U.
- the output terminals U, V, W to 2E It can output phase voltages of five levels E, 0, -E and -2E.
- the reference point of the phase voltage is terminal 0.
- 30 switching elements and 0 diode elements are used.
- diode elements Su9-Su12, Sv9-Sv12, Sw9-Sw12 of the prior art can be used. Can be omitted, and the number of diode elements used can be reduced by 12 as compared with the conventional circuit configuration shown in FIG.
- the number of diode elements can be reduced to zero without changing the number of switching elements.
- a typical switching pattern of the U phase is shown in Table 1 and FIG.
- Table 1 A typical switching pattern of the U phase is shown in Table 1 and FIG.
- Table 1 By switching according to the pattern of Table 1, it is possible to output phase voltages of five levels of 2E, E, 0, -E and -2E through the path shown in FIG.
- the circle in the figure represents a switching element in conduction.
- the applied voltage of each flying capacitor will be described.
- the flying capacitor FC2 is charged in the patterns (2) and (3) of FIG. Further, the capacitor FC1 u is charged in the pattern of (3) of FIG. 3. Furthermore, although not shown in FIG. 3, there is also a pattern in which the flying capacitor FC1 is charged, and a pattern in which the flying capacitors FC1 and FC2 and the capacitor FC1u are discharged. By performing these charging and discharging, the voltages of the flying capacitors FC1 and FC2 and the flying capacitor FC1 u can be controlled to E while outputting the phase voltage.
- the maximum applied voltage at steady state of each switching element is E. This is the same value as that of the conventional circuit shown in FIG.
- the number of elements can be reduced in a multiphase multilevel power conversion device, and the cost and size of the device can be reduced.
- FIG. 4 shows a circuit configuration of the multilevel power conversion device according to the second embodiment.
- the second embodiment has the same circuit configuration as the first embodiment, but changes the voltage ratio of the DC voltage sources DCC1 and DCC2, the flying capacitors FC1 and FC2, and the capacitors FC1u, FC1v and FC1w.
- the reference point of the phase voltage is terminal 0.
- the output terminals U, V It can output phase voltage of six levels of 2.5E, 1.5E, 0.5E, -0.5E, -1.5E, -2.5E from W.
- An operation example and current paths for each output voltage are shown in FIG.
- the number of levels can be expanded as compared with the first embodiment by changing the voltage ratio between the DC voltage sources DCC1 and DCC2, the flying capacitors FC1 and FC2, and the capacitors FC1u, FC1v and FC1w.
- the number of levels can be increased as compared to the first embodiment while keeping the number of switching elements the same, so that harmonics of output voltage and current can be suppressed.
- FIG. 6 shows the circuit configuration of the multilevel power conversion device according to the third embodiment.
- the multilevel power conversion device according to the third embodiment includes DC voltage sources DCC1 to DCC4 common to the respective phases, and the voltages are selected by the phase modules respectively provided to the respective phases and output from the output terminals U, V, W Do.
- the phase module includes switching elements Su1 to Su8 and a capacitor FC1 u in the U phase.
- DC voltage sources DC capacitors or DC power sources
- DCC1 to DCC4 are connected in series, and a common connection point (neutral point) of the DC voltage sources DCC2 and DCC3 is a terminal 0.
- the positive and negative extremes of the DC voltage source DCC1 and the positive and negative extremes of the DC voltage source DCC4 are connected as input terminals to the phase module of each phase.
- each of the first switching elements Su1 to Su4 is connected to each input terminal, and the other ends of the adjacent switching elements Su1 and Su2 and Su3 and Su4 are connected to each other.
- One end of the switching elements Su5a and Su6a is connected to the common connection point between adjacent switching elements Su1 and Su2, Su3 and Su4, and the other end is output via the switching elements Su5b and Su6b between the other ends of the switching elements Su5a and Su6a.
- the stage switching elements Su7 and Su8 are sequentially connected in series.
- a capacitor FC1u is connected in parallel to the switching elements Su7 and Su8 of the output stage, and a common connection point of the switching elements Su7 and Su8 of the output stage is an output terminal U.
- the voltage of the capacitor FC1u is set to the potential of any one of the input terminals or the potential of any one of the input terminals by selectively turning on and off each switching element of this phase module.
- the potential obtained by addition and subtraction can be output from the output terminal U.
- phase voltages of five levels are output from output terminals U, V, and W. be able to.
- the reference point of the phase voltage is terminal 0.
- 0 can be output from the output terminals U, V, W by using the flying capacitors FC1u, FC1v, FC1w as in the first embodiment.
- the diode elements Su9 to Su12, Sv9 to Sv12, and Sw9 to Sw12 of the prior art (FIG. 18) can be omitted, and the number of diode elements used can be reduced by 12 as compared with the conventional circuit configuration shown in FIG.
- the maximum applied voltage of each switching element in steady state is E as in the first and second embodiments.
- the number of levels can be expanded by changing the voltage ratio as in the second embodiment.
- the voltages of the DC voltage sources DCC1 and DCC4 are controlled to E
- the voltages of DCC2 and DCC3 to 1.5 E
- the capacitors Fc1 u, FC1 v and FC1 w to 2 E the respective output terminals U, V and W to 2.5 E
- And can output phase voltages of six levels, that is, 1.5E, 0.5E, -0.5E, -1.5E, and 2.5E.
- FIG. 7 shows a circuit configuration of the multilevel power conversion device according to the fourth embodiment.
- the multilevel power conversion device includes DC voltage sources DCC1 and DCC2 and flying capacitors FC1 and FC2 common to the respective phases, and the voltage is selected by the phase modules respectively provided to the respective phases, and the output terminal U is selected. , V, W output.
- the phase module includes switching elements Su1 to Su8 and a capacitor FC1 u in the U phase.
- Direct-current voltage sources direct-current capacitors or direct-current power sources
- DCC1 and DCC2 are connected in series, and a common connection point (neutral point) of the direct-current voltage sources DCC1 and DCC2 is a terminal 0.
- the positive terminal of the flying capacitor FC1 and the negative terminal of the flying capacitor FC2 are connected to the common connection point of the DC voltage sources DCC1 and DCC2.
- the negative terminal of the DC voltage source DCC1, the negative terminal of the flying capacitor FC1, the positive terminal of the DC voltage source DCC2, and the positive terminal of the flying capacitor FC2 are connected as input terminals.
- each of the first switching elements Su1 to Su4 is connected to each input terminal, and the other ends of the adjacent switching elements Su1 and Su2 and Su3 and Su4 are connected to each other.
- One end of the switching elements Su5a and Su6a is connected to the common connection point between adjacent switching elements Su1 and Su2, Su3 and Su4, and the other end is output via the switching elements Su5b and Su6b between the other ends of the switching elements Su5a and Su6a.
- the stage switching elements Su7 and Su8 are sequentially connected in series.
- a capacitor FC1u is connected in parallel to the switching elements Su7 and Su8 of the output stage, and a common connection point of the switching elements Su7 and Su8 of the output stage is an output terminal U.
- the voltage of the capacitor FC1u is set to the potential of any one of the input terminals or the potential of any one of the input terminals by selectively turning on and off each switching element of this phase module.
- the potential obtained by addition and subtraction can be output from the output terminal U.
- 0 can be output from the output terminals U, V, W by using the capacitors FC1u, FC1v, FC1w, as in the first embodiment.
- the diode elements Su9 to Su12, Sv9 to Sv12 and Sw9 to Sw12 of the prior art (FIG. 29) can be omitted, and the number of diode elements to be used can be reduced by 12 as compared with the conventional circuit configuration shown in FIG.
- the maximum applied voltage of each switching element in steady state is E as in the first and second embodiments.
- the number of levels can be expanded by changing the voltage ratio as in the second embodiment.
- the voltage of DC voltage sources DCC1 and DCC2 is 2.5E
- the voltage of flying capacitors FC1 and FC2 is 1.5E
- the voltages of capacitors Fc1u, FC1v and FC1w are 2E, 2.5E, 1.5E
- It can output phase voltages of six levels of 0.5E, -0.5E, -1.5E, and -2.5E.
- FIG. 8 shows a circuit configuration of the multilevel power conversion device according to the fifth embodiment.
- the multilevel power converter according to the fifth embodiment has two stages of the flying capacitors FC1 and FC2 common to the respective phases in the multilevel power converter according to the first embodiment. That is, a phase module provided with DC voltage sources DCC1 and DCC2 common to each phase, flying capacitors FC1, FC2, FC3 and FC4 and provided for each phase selects a voltage and outputs from output terminals U, V and W Do.
- the phase module includes switching elements Su1 to Su12 and a flying capacitor FC1u in the U phase.
- Direct-current voltage sources direct-current capacitors or direct-current power sources
- DCC1 and DCC2 are connected in series, and a common connection point (neutral point) of the direct-current voltage sources DCC1 and DCC2 is a terminal 0.
- the negative terminal of the flying capacitor FC1 is connected to the negative terminal of the DC voltage source DCC1.
- a flying capacitor FC2 is connected in series to the flying capacitor FC1.
- the positive terminal of the flying capacitor FC4 is connected to the positive terminal of the DC voltage source DCC2.
- a flying capacitor FC3 is connected in series to the flying capacitor FC4.
- the positive terminal and the negative terminal of the flying capacitor FC1, the positive terminal of the flying capacitor FC2, the negative terminal of the flying capacitor FC3, and the positive terminal and the negative terminal of the flying capacitor FC4 are connected as input terminals.
- each of the switching elements Su1 to Su4, Su6 and Su7 is connected to each input terminal, and the other ends of the adjacent switching elements Su1 and Su2 and Su3 and Su4 are connected to each other.
- One end of each of the switching elements Su5 and Su8 is connected to the common connection point between the adjacent switching elements Su1 and Su2, and Su3 and Su4.
- the other ends of the adjacent switching elements Su5 and Su6, Su7 and Su8 are connected to each other, and one end of the switching elements Su9a and Su10a is connected to a common connection point of the adjacent switching elements Su5 and Su6, Su7 and Su8.
- the switching elements Su11 and Su12 of the output stage are sequentially connected in series between the other ends of the switching elements Su9a and Su10a of the final stage via the switching elements Su9b and Su10b.
- a capacitor FC1u is connected in parallel to the switching elements Su11 and Su12 of the output stage, and a common connection point of the switching elements Su11 and Su12 of the output stage is an output terminal U.
- the voltage of the capacitor FC1u is set to the potential of any one of the input terminals or the potential of any one of the input terminals by selectively turning on and off each switching element of this phase module.
- the potential obtained by addition and subtraction can be output from the output terminal U.
- the output terminals U, V, W are controlled by controlling the voltage of the DC voltage sources DCC1, DCC2 to 3.5 E, the voltages of the flying capacitors FC1, FC2, FC3, FC4 to E, and the voltages of the capacitors FC1 u, FC1 v, FC1 w to 2 E.
- eight phase voltages of 3.5 E, 2.5 E, 1, 5 E, 0.5 E, -0.5 E, -1.5 E, -2.5 E, and -3.5 E can be output.
- the reference point of the phase voltage is terminal 0.
- Table 2 shows representative switching patterns in the fifth embodiment.
- the maximum applied voltage of each switching element in steady state is E as in the first and second embodiments.
- the number of phase voltage levels that can be output is increased, and the number of switching elements required is increased.
- the flying capacitors common to the respective phases of the first embodiment are configured in multiple stages, Compared to the circuit system, the number of diode elements can be reduced without changing the number of switching elements. Further, since the number of levels increases, harmonics of the output voltage and current can be suppressed and the harmonics suppression filter can be miniaturized as compared with the first to third embodiments.
- FIG. 9 shows a circuit configuration of the multilevel power conversion device according to the sixth embodiment.
- a phase module provided with DC voltage sources DCC1 and DCC2 common to the respective phases, flying capacitors FC1, FC2, FC3 and FC4 and provided respectively in the respective phases selects voltages and outputs them from the output terminals U, V and W.
- the phase module includes switching elements Su1 to Su12 and a capacitor FC1 u in the U phase.
- Direct-current voltage sources direct-current capacitors or direct-current power sources
- DCC1 and DCC2 are connected in series, and a common connection point (neutral point) of the direct-current voltage sources DCC1 and DCC2 is a terminal 0.
- the negative terminal of the flying capacitor FC1 is connected to the negative terminal of the DC voltage source DCC1.
- the positive terminal of the flying capacitor FC2 and the negative terminal of the flying capacitor FC3 are connected to a common connection point of the DC voltage source DCC1 and the DC voltage source DCC2.
- the positive terminal of the flying capacitor FC4 is connected to the positive terminal of the DC voltage source DCC2.
- the phase module is connected with the positive terminal and the negative terminal of the flying capacitor FC1, the negative terminal of the flying capacitor FC2, the positive terminal of the flying capacitor FC3, and the positive terminal and the negative terminal of the flying capacitor FC4 as input terminals.
- each of the switching elements Su1 to Su4, Su6 and Su7 is connected to each input terminal, and the other ends of the adjacent switching elements Su1 and Su2 and Su3 and Su4 are connected to each other.
- One end of each of the switching elements Su5 and Su8 is connected to the common connection point between the adjacent switching elements Su1 and Su2, and Su3 and Su4.
- the other ends of the adjacent switching elements Su5 and Su6, Su7 and Su8 are connected to each other, and one end of the switching elements Su9a and Su10a is connected to a common connection point of the adjacent switching elements Su5 and Su6, Su7 and Su8.
- the switching elements Su11 and Su12 of the output stage are sequentially connected in series between the other ends of the switching elements Su9a and Su10a of the final stage via the switching elements Su9b and Su10b.
- a capacitor FC1u is connected in parallel to the switching elements Su11 and Su12 of the output stage, and a common connection point of the switching elements Su11 and Su12 of the output stage is an output terminal U.
- the voltage of the capacitor FC1u is set to the potential of any one of the input terminals or the potential of any one of the input terminals by selectively turning on and off each switching element of this phase module.
- the potential obtained by addition and subtraction can be output from the output terminal U.
- Output by controlling the voltage of DC voltage sources DCC1 and DCC2 to 3.5 E, the voltage of flying capacitors FC1 and FC4 to E, the voltage of FC2 and FC3 to 1.5 E, and the voltage of capacitors FC1 u, FC1 v and FC1 w to 2 E Outputs phase voltage of eight levels from terminals U, V, W to 3.5E, 2.5E, 1, 5E, 0.5E, -0.5E, -1.5E, -2.5E, -3.5E. it can.
- the reference point of the phase voltage is terminal 0.
- the sixth embodiment increases the number of levels that can be output, and thus the number of switching elements required increases.
- the flying capacitors common to the respective phases of the first embodiment are multi-staged, the conventional configuration shown in FIG.
- the number of diode elements can be reduced similarly without changing the number of switching elements, as compared to the case where the number of levels is extended.
- output voltage and current harmonics can be suppressed and the harmonics suppression filter can be miniaturized as compared with the first to third embodiments.
- FIG. 10 shows a circuit configuration of the multilevel power conversion device according to the seventh embodiment.
- the multilevel power conversion device according to the seventh embodiment is the multilevel power conversion device according to the first embodiment in which the flying capacitors FC1 and FC2 common to the respective phases in the multilevel power conversion device are four stages of FC1, FC2, FC3 and FC4. That is, a phase module provided with DC voltage sources DCC1 and DCC2 common to each phase, flying capacitors FC1, FC2, FC3 and FC4 and provided for each phase selects a voltage and outputs from output terminals U, V and W Do.
- the phase module includes switching elements Su1 to Su16 and a capacitor FC1 u in the U phase.
- Direct-current voltage sources direct-current capacitors or direct-current power sources
- DCC1 and DCC2 are connected in series, and a common connection point (neutral point) of the direct-current voltage sources DCC1 and DCC2 is a terminal 0.
- the negative terminal of the DC voltage source DCC1 is connected to the negative terminal of the flying capacitor FC1, and the positive terminal of the DC voltage source DCC1 is connected to the positive terminal of the flying capacitor FC2.
- the negative terminal of the flying capacitor FC3 is connected to the negative terminal of the DC voltage source DCC2, and the positive terminal of the flying capacitor FC4 is connected to the positive terminal of the DC voltage source DCC2.
- the phase module uses the positive and negative ends of the flying capacitors FC1 to FC4 as input terminals.
- One end of the first switching elements Su1 to Su8 is connected to each input terminal, the other ends of the adjacent switching elements Su1 and Su2, Su3 and Su4, Su5 and Su6, Su7 and Su8 are connected, and the adjacent switching elements Su1 and Su8 One end of each of the switching elements Su9 to Su12 is connected to a common connection point of Su2, Su3 and Su4, Su5 and Su6, and Su7 and Su8.
- the other ends of the adjacent switching elements Su9 and Su10 and Su11 and Su12 are connected to each other, and the switching elements Su13 and Su14 are connected to the common connection point between the adjacent switching elements Su9 and Su10 and Su11 and Su12.
- the switching elements Su15 and Su16 of the output stage are sequentially connected in series between the other ends of the switching elements Su13 and Su14 of the final stage.
- a capacitor FC1 u is connected in parallel to the switching elements Su15 and Su16 of the output stage, and a common connection point of the switching elements Su15 and Su16 of the output stage is an output terminal U.
- the voltage of the capacitor FC1u is set to the potential of any one of the input terminals or the potential of any one of the input terminals by selectively turning on and off each switching element of this phase module.
- the potential obtained by addition and subtraction can be output from the output terminal U.
- phase voltages of nine levels, 3E, 2E, 1E, 0, -1E, -2E, -3E and -4E.
- the reference point of the phase voltage is terminal 0.
- Table 3 shows representative switching patterns in the seventh embodiment.
- the seventh embodiment increases the number of levels that can be output, and thus the number of switching elements required increases.
- the flying capacitors common to the respective phases of the first embodiment are multi-tiered, the level shown in FIG.
- the number of diode elements can be reduced without changing the number of switching elements, as compared to the case where the number is expanded.
- output voltage and current harmonics can be suppressed and the harmonics suppression filter can be miniaturized as compared with the first to third embodiments.
- FIG. 11 shows a circuit configuration of the multilevel power conversion device according to the eighth embodiment.
- the multilevel power conversion device includes switching elements Su17, Su18, Su19, Su20 between the switching elements Su9 and Su10 and Su11 and Su12 in the multilevel power conversion apparatus according to the seventh embodiment, and the switching elements
- a capacitor FC3u is connected in parallel to Su17 and Su18 and a capacitor FC2u is connected in parallel to switching elements Su19 and Su20, and one end of the switching element Su13 and Su14 in the next stage is connected to the common connection point of switching elements Su17 and Su18 and Su19 and Su20. It is connected. That is, in the eighth embodiment, a parallel connection circuit of a switching element and a capacitor is provided in addition to the switching element of the final stage.
- the capacitors FC1u, FC2u, and FC3u are set to the potential of any one of the input terminals or the potential of any one of the input terminals by selectively turning on and off each switching element.
- the potential obtained by adding and subtracting the voltage of is output from the output terminal.
- the voltages of DC voltage sources DCC1 and DCC2 are 5E
- the voltages of flying capacitors FC1, FC2, FC3 and FC4 are E
- E By controlling the voltage to E, it is possible to output phase voltages of 11 levels of 5E, 4E, 3E, 2E, E, 0, -E, -2E, -3E, -4E, and -5E.
- the reference point of the phase voltage is terminal 0.
- Table 4 shows a typical switching pattern of the U phase.
- the number of diode elements is zero. Further, since the number of levels increases, output voltage and current harmonics can be suppressed and the harmonics suppression filter can be miniaturized as compared with the seventh embodiment.
- FIG. 12 shows a multilevel power converter in the ninth embodiment.
- FIG. 12 is a multilevel power converter device in which the circuit of one phase of the multilevel power converter of Embodiment 1 is expanded to M phases and N stages.
- the negative terminals of the flying capacitors FC1, FC3, ..., FC2N-1 are connected to the negative terminals of the DC voltage sources DCC1 to DCCN, respectively, and the flying capacitors FC2, FC4, ..., FC2N are connected to the positive terminals of the DC voltage sources DCC1 to DCCN.
- the positive terminal is connected.
- FIG. 13 (a) to 13 (d) The structural example of the phase module used for the multilevel power converter of this Embodiment 9 is shown in FIG.
- FIGS. 13 (a) to 13 (d) in all of (a) to (d), flying capacitors FCM0 of respective phases are provided in parallel with the switching elements of the output stage.
- 13 (a) and 13 (b) are configuration examples when the number of input terminals of the phase module is a multiple of 4
- FIGS. 13 (c) and 13 (d) are configuration examples when the number of input terminals of the phase module is an even number other than a multiple of 4 is there.
- the difference between FIG. 13 (a) and FIG. 13 (b) and the difference between FIG. 13 (c) and FIG. 13 (d) are the capacitors other than the capacitor FCM0 connected in parallel to the switching element of the output stage. It is the presence or absence of FCM1 to FCMN.
- each input terminal of the phase module is connected to the positive and negative ends of the flying capacitors FC1 to FCN common to each phase.
- the number of levels of the phase voltage depends on the type of phase module to be applied and the DC voltage sources DCC1 to DCCN, the flying capacitors FC1 to FC2N common to each phase, and the applied voltage of the capacitors FCM0 and FCM1 to FCMN in the phase module.
- the voltages of the DC voltage sources DCC1 to DCCN of FIG. 12 are 4E
- the voltages of the flying capacitors FC1 to FC2N are 4E
- the number of the flying capacitor FCM0 of the phase module of FIG. By controlling to, the number of phase voltage levels becomes (4N + 1).
- the voltage of DC voltage sources DCC1 to DCCN of FIG. 12 is controlled to 4E
- the voltage of flying capacitors FC1 to FC2N is controlled to E
- the DC voltage sources DCC1 to DCCN may be divided in each.
- FIG. 14 shows a multilevel power converter in the tenth embodiment.
- the multilevel power conversion device differs from the ninth embodiment in the connection configuration of the flying capacitors FC1 to FC2N.
- 2N is a series number of DC voltage sources, and DC voltage sources DCC1 to DCC2N are connected in series.
- the number of flying capacitors FC1 to FC2N is also 2N, and the first flying capacitors FC1, FC3,..., FCn-1 are connected to the common connection point of each DC voltage source DCCn (n: odd) and DCCn + 1 (n + 1: even).
- the positive ends are connected, and the negative ends of the flying capacitors FC2, FC4,..., FC2N are connected to the common connection point of the DC voltage sources DCCn (n: odd) and DCCn + 1 (n + 1: even).
- the number of series connected DC voltage sources DCC1 to DCC2N and the number of flying capacitors FCC1 to FCC2N common to each phase are even. Note that M ⁇ 2.
- the negative terminal of the DC voltage source DCCn (n: odd number), the negative terminal of the flying capacitor FCn, the positive terminal of the DC voltage source DCCn + 1, and the positive terminal of the flying capacitor FCn + 1 are input terminals.
- the number of levels of the phase voltage depends on the type of phase module to be applied and the DC voltage sources DCC1 to DCCN, the flying capacitors FC1 to FC2N common to each phase, and the applied voltage of the capacitors of each phase in the phase module.
- the flying capacitors FC1 to FC2N common to each phase, and the voltage of the capacitor FCM0 of the phase module shown in FIG. Is (4N + 1).
- the DC voltage sources DCC1 to DCC2N may be divided in each.
- FIG. 15 shows a multilevel power converter in the eleventh embodiment.
- the DC voltage sources DCC1 and DCC2 are connected in series.
- the connection configuration of the flying capacitors FC1 to FC4N is different from that of the ninth and tenth embodiments.
- the negative terminals of the flying capacitors FC1 to FCN are sequentially connected in series to the negative terminal of the DC voltage source DCC1, and the positive terminals of the flying capacitors FC2N to FCN + 1 are sequentially connected in series to the common connection point of the DC voltage sources DCC1 and DCC2.
- the negative terminals of the flying capacitors FC2N + 1 to FC3N are sequentially connected in series to the common connection point of DCC1 and DCC2, and the positive terminals of the flying capacitors FC4N to FC3N + 1 are sequentially connected in series to the positive terminal of the DC voltage source DCC2.
- the phase module includes the positive terminal and the negative terminal of the flying capacitor FC1, the positive terminal of the flying capacitors FC2 to FCN, the negative terminal of the flying capacitors FCN + 1 to FC2N, the positive terminal of the flying capacitors FC2N + 1 to FC3N, and the negative terminal of the flying capacitors FC3N + 1 to FC4N-1.
- the extreme and the positive and negative ends of the flying capacitor FC4N are input terminals.
- the number of flying capacitors FC1 to FC4N is a multiple of four. Note that M ⁇ 2.
- the DC voltage sources DCC1 to DCC2 may be divided in each.
- FIG. 16 shows a multilevel power converter in the twelfth embodiment.
- the DC voltage sources DCC1 and DCC2 are connected in series.
- the twelfth embodiment is an M-phase to N-stage multi-level conversion device in which the flying capacitors FC1 to FC2N are shared in the M-phase.
- the connection configuration of the flying capacitors FC1 to FC2N is different from the ninth to eleventh embodiments.
- the negative terminals of the flying capacitors FC1 to FCN are sequentially connected in series to the negative terminal of the DC voltage source DCC1, and the positive terminals of the flying capacitors FC2N to FCN + 1 are sequentially connected in series to the positive terminal of the DC voltage source DCC2.
- 2N is the number of flying capacitors FC1 to FC2N. Therefore, in the present configuration, the number of flying capacitors FC1 to FC2N is an even number. Note that M ⁇ 2.
- the phase module uses the positive terminal and the negative terminal of the flying capacitor FC1, the positive terminals of the flying capacitors FC2 to FCN, the negative terminals of the flying capacitors FCN + 1 to FC2N-1, and the positive terminal and the negative terminal of the flying capacitor FC2N as input terminals.
- the number 2N + 2 of input terminals of the phase module may not be a multiple of four.
- the phase module shown in FIGS. 13A and 13B is applied, and when the number 2N + 2 of input terminals of the phase module is an even multiple of 4, FIG. c) Apply a phase module with the number of input terminals as shown in (d).
- the number of levels of the phase voltage depends on the type of phase module to be applied and the DC voltage sources DCC1 to DCC2, the flying capacitors FC1 to FC4N, and the applied voltage of each capacitor in the phase module.
- the voltage of the capacitor FCM0 of the phase module of FIG. 13 is controlled to 2E.
- the DC voltage sources DCC1 to DCC2 may be divided in each.
- the DC voltage sources DCC1 and DCC2 may be integrated into one DC voltage source.
- FIG. 17 shows the multilevel power conversion device in the thirteenth embodiment.
- Each input terminal of the phase module is connected to DC voltage sources DCC1 to DCC2N + 2.
- positive terminals and negative terminals of DC voltage sources DCC1 and DCC2N + 2 positive terminals of DC voltage sources DCC2 to DCCN, and negative terminals of DC voltage sources DCCN + 3 to DCC2N + 1 are input terminals. That is, among the common connection points of the DC voltage sources, only the connection point of the DC voltage sources DCCN + 1 and DCCN + 2 is not connected to the phase module. Note that M ⁇ 2.
- the number 2N + 2 of input terminals of the phase module may not be a multiple of four.
- the phase module shown in FIGS. 13A and 13B is applied, and when the number 2N + 2 of input terminals of the phase module is an even multiple of 4, FIG. c) Apply a phase module with the number of input terminals as shown in (d).
- the number of levels of the phase voltage depends on the type of phase module to be applied, the DC voltage sources DCC1 to DCC2N + 2, and the applied voltage of each capacitor in the phase module.
- the direct current voltage sources DCC1 to DCC2N + 2 may be divided. Also, the DC voltage sources DCCN + 1 and DCCN + 2 may be integrated into one DC voltage source.
- Embodiment 14 A basic cell used in the multilevel power conversion device in the fourteenth to seventeenth embodiments is shown in FIG.
- the basic cell includes a flying capacitor FC1 and semiconductor elements (for example, IGBTs) Sf1, Sf2, Sf3 and Sf4 and is shared by M phases.
- semiconductor elements for example, IGBTs
- Sf1, Sf2, Sf3 and Sf4 semiconductor elements
- Terminal 3 is connected to the positive terminal of a DC voltage source (capacitor or DC power supply) of the device, and terminal 1 is connected to the negative terminal of a DC voltage source (capacitor or DC power supply) of the device.
- Terminal 2 is connected to the phase module of the device. The phase module will be described later.
- FIG. 19 shows a configuration in which N basic cells of FIG. 18 are connected in series. Here, it is assumed that N ⁇ 2.
- a DC voltage source (capacitor or DC power supply) is connected to the terminals 2N + 1, 2N-1.
- the phase module is connected to the terminal 2N.
- FIG. 19 The circuit configuration of the multilevel power conversion device in the fourteenth embodiment using the basic cell of FIG. 19 is shown in FIG.
- the multilevel power conversion device according to the fourteenth embodiment includes DC voltage sources DCC1 and DCC2 common to the respective phases and the first and second basic cells 10a and 10b, and the voltage is selected by the phase modules respectively provided in the respective phases. And output from the output terminals U, V, W.
- Direct-current voltage sources direct-current capacitors or direct-current power sources
- DCC1 and DCC2 are connected in series, and a common connection point (neutral point) of the direct-current voltage sources DCC1 and DCC2 is a terminal 0.
- the first and second basic cells 10a and 10b have semiconductor elements Sf1a and Sf1b whose one ends are connected to the positive terminals of the DC voltage sources DCC1 and DCC2, and one ends are connected to the negative terminals of the DC voltage sources DCC1 and DCC2.
- Flying capacitors FC1 and FC2 connected between the semiconductor elements Sf2a and Sf2b, the other ends of the semiconductor elements Sf1a and Sf1b, and the other ends of the semiconductor elements Sf2a and Sf2b, the semiconductor elements Sf1a and Sf1b, and the flying capacitors FC1 and FC2
- the semiconductor elements Sf3a, Sf4a, Sf3b, and Sf4b connected in series between the common connection point of FC2 and the common connection point of the semiconductor elements Sf2a and Sf2b and the flying capacitors FC1 and FC2 are provided.
- the basic cells 10a and 10b output voltages E and -E to the phase module by turning on the semiconductor elements Sf1a and Sf1b and Sf4a and Sf4b, or Sf2a and Sf2b and Sf3a and Sf3b.
- one end of the semiconductor element Sf2a, the common connection point of the semiconductor elements Sf3a and Sf4a, the common connection point of the semiconductor elements Sf3b and Sf4b, and one end of the semiconductor element Sf1b are connected as input terminals Ru.
- each of the switching elements Su1 to Su4 is connected to each input terminal, and the other ends of the adjacent switching elements Su1 and Su2 and Su3 and Su4 are connected to each other.
- One end of the switching elements Su5a and Su6a is connected to the common connection point between adjacent switching elements Su1 and Su2, Su3 and Su4, and the other end is output via the switching elements Su5b and Su6b between the other ends of the switching elements Su5a and Su6a.
- the stage switching elements Su7 and Su8 are sequentially connected in series.
- a capacitor FC1u is connected in parallel to the switching elements Su7 and Su8 of the output stage, and a common connection point of the switching elements Su7 and Su8 of the output stage is an output terminal U.
- the switching elements Su5b and Su6b are connected in series to the switching elements Su5a and Su6a for withstand voltage.
- the voltage of the capacitor FC1u is set to the potential of any one of the input terminals or the potential of any one of the input terminals by selectively turning on and off each switching element of this phase module.
- the potential obtained by addition and subtraction can be output from the output terminal U.
- the output terminals U, V, W to 2E It can output phase voltages of five levels E, 0, -E and -2E.
- a typical switching pattern of the U phase is shown in FIG. Circles in the figure represent conducting semiconductor elements and switching elements. It is possible to output phase voltages of five levels of 2E, E, 0, -E and -2E through the path shown in FIG.
- the number of switching elements (including the semiconductor elements Sf1a to Sf4a and Sf1b to Sf4b) to be used can be reduced to 38.
- the number of switching elements in the conventional circuit in FIG. 30 is 48, and the number of switching elements in the conventional circuit in FIG. 31 is 44.
- the gate drive circuit for driving the switching elements can be reduced. Therefore, cost reduction can be realized.
- the voltage levels at the common connection points of switching elements Sf3a and Sf4a, Sf3b and Sf4b of basic cells 10a and 10b are limited to E and -E (the voltage reference point is the negative terminal of each DC voltage source DCC1 to DCCN).
- the degree of freedom of charge and discharge can be secured, so that the control can be simplified.
- ⁇ represents a conducting element.
- the basic cells 10a and 10b common to each phase perform only two patterns of switching as shown in FIG. Therefore, when outputting any voltage level, semiconductor elements Sf1 and Sf2 are not simultaneously turned on, so that a short circuit does not occur between DC voltage source DCC1 and flying capacitor FC1, and DC voltage source DCC2 and flying capacitor FC2.
- the connection pattern of the flying capacitors FC1 and FC2 can be switched. Since the current flowing into and out of the flying capacitors FC1 and FC2 can be switched by switching the connection pattern according to the current, charging and discharging can be performed, and it is understood that the freedom of charging and discharging of the flying capacitors FC1 and FC2 can be secured.
- the circuit configuration of the multilevel power conversion device according to the fifteenth embodiment is shown in FIG.
- the multilevel power conversion device according to the fifteenth embodiment includes DC voltage sources DCC1 and DCC2 common to the respective phases and the first and second basic cells 10a and 10b, and the voltage is selected by the phase modules respectively provided in the respective phases. And output from the output terminals U, V, W.
- the phase module of each phase includes one end of the semiconductor element Sf2a, the common connection point of the semiconductor elements Sf3a and Sf4a, the common connection point of the semiconductor elements Sf3b and Sf4b, one end of the semiconductor element Sf1b, and the semiconductor elements Sf1a and Sf2b.
- the common connection point is connected as an input terminal.
- one end of the switching element Su1a is connected to one end of the semiconductor element Sf2a, and the switching element Su1b is connected to one end of the semiconductor element Sf1b.
- One end of the switching element Su2a is connected to the common connection point of the semiconductor elements Sf3a and Sf4a, and the switching element Su2b is connected to the common connection point of the semiconductor elements Sf3b and Sf4b.
- the other ends of the switching elements Su1a and Su2a, Su1b and Su2b are connected to each other, and one end of the switching elements Su3a and Su3b is connected to a common connection point of the switching elements Su1a and Su2a, Su1b and Su2b.
- the switching element Su4a is connected to the other end of the switching element Su3a, and the other end of the switching element Su3b is connected to the switching element Su5a.
- the switching elements Su4a, Su4b, Su5b, and Su5a are connected in series to form a series circuit.
- the cathode of the diode Du1a and the anode of the diode Du2a are connected to the common connection point of the semiconductor element Sf1a and the semiconductor element Sf2b, and the switching elements Su4a, Su4b, Su5b, Su5a are connected in series in parallel to the diode Du1a and the diode Du2a The circuit is connected.
- the diodes Du1b and Du2b and the switching elements Su4b and Su5b are connected in series to the diodes Du1a and Du2a and the switching elements Su4a and Su5a for withstand voltage.
- the common connection point of the switching elements Su4b and Su5b is used as an output terminal, and the switching elements are selectively turned ON and OFF to output the potential of any one of the input terminals from the output terminal.
- the output terminals U, V, W to 2E, E, 0, -E It can output phase voltage of 5 levels of -2E.
- a typical switching pattern of the U phase is shown in FIG. Circles in the figure represent conducting semiconductor elements and switching elements. It is possible to output phase voltages of five levels of 2E, E, 0, -E and -2E through the path shown in FIG.
- the number of switching elements (including semiconductor elements) used can be reduced to 38.
- the number of switching elements in the conventional circuit in FIG. 30 is 48.
- the number of switching elements in the conventional circuit in FIG. 31 is 44.
- the circuit configuration of the multilevel power conversion device according to the sixteenth embodiment is shown in FIG.
- the multilevel power conversion device according to the sixteenth embodiment includes DC voltage sources DCC1 and DCC2 common to the respective phases and the first and second basic cells 10a and 10b, and the voltage is selected by the phase modules respectively provided in the respective phases. And output from the output terminals U, V, W.
- the phase module of each phase includes one end of the semiconductor element Sf2a, the common connection point of the semiconductor elements Sf3a and Sf4a, the common connection point of the semiconductor elements Sf3b and Sf4b, one end of the semiconductor element Sf1b, and the semiconductor elements Sf1a and Sf2b.
- the common connection point is connected as an input terminal.
- one end of the switching element Su1a is connected to one end of the semiconductor element Sf2a, and the switching element Su1b is connected to one end of the semiconductor element Sf1b.
- One end of the switching element Su2a is connected to the common connection point of the semiconductor elements Sf3a and Sf4a, and the switching element Su2b is connected to the common connection point of the semiconductor elements Sf3b and Sf4b.
- the other ends of the switching elements Su1a and Su2a, Su1b and Su2b are connected to each other, and one end of the switching elements Su3a and Su3b is connected to a common connection point of the switching elements Su1a and Su2a, Su1b and Su2b.
- bidirectional switch One end of the bidirectional switch is connected to the common connection point of the semiconductor element Sf1a and the semiconductor element Sf2b, and the other end of the bidirectional switch is connected to the other end of the switching elements Su3a and Su3b.
- a bidirectional switch is configured by reversely connecting the switching elements Su4 and Su5.
- a common connection point between the switching elements Su3a and Su3b and the bi-directional switch is used as an output terminal, and each switching element (including a semiconductor element) is selectively turned on and off to control any one of the input terminals. Output the potential from the output terminal.
- the output terminals U, V, W to 2E, E, 0, -E It can output phase voltage of 5 levels of -2E.
- a typical switching pattern of the U phase is shown in FIG. Circles in the figure represent conducting semiconductor elements and switching elements. It is possible to output phase voltages of five levels of 2E, E, 0, -E and -2E through the path shown in FIG.
- the number of switching elements (including semiconductor elements) to be used can be reduced to 32. Furthermore, since a gate drive circuit or the like for driving the switching element can be reduced, cost reduction can be realized.
- the degree of freedom of charge and discharge can be secured by limiting the voltage levels output from the basic cells 10a and 10b to E and -E by using the basic cells 10a and 10b, thus simplifying control. Is possible.
- FIG. 7 The circuit configuration of the multilevel power conversion device according to the seventeenth embodiment is shown in FIG. This circuit shares the flying capacitors FC1 to FCN in three phases.
- N DC voltage sources DCC1 to DCCN common to each phase are connected in series.
- One ends of the semiconductor elements Sf1a to Sf1n are connected to positive terminals of the DC voltage sources DCC1 to DCCN, and one ends of the semiconductor elements Sf2a to Sf2n are connected to negative terminals of the DC voltage sources DCC1 to DCCN.
- the configuration of the basic cells 10a to 10n is the same as that of the fourteenth embodiment.
- Terminals 1, 2, 3,..., 2N-1, 2N, and 2N + 1 of the basic cells 10a to 10n are input terminals of the phase module.
- the terminal 3 and the terminal 2N-1 may not necessarily be connected to each phase module.
- the fourteenth embodiment is an example in which the terminal 3 and the terminal 2N-1 in FIG. 27 are not connected to each phase module.
- FIG. FIG. 28 (a) is similar to FIG. 13 (c), and FIG. 28 (d) is similar to FIG. 13 (d).
- one end of the switching element S1a, S2a, S2b, S1b is connected to the terminal 1, 2, 2N, 2N + 1, and the other ends of two adjacent switching elements S1a and S2a, S2b and S1b are connected.
- one end of the switching elements S3a and S3b is connected to a common connection point between the switching elements S1a and S2a, and S2b and S1b whose other ends are connected to each other.
- switching element S3a is connected to one end of a series circuit in which switching element S4a and switching element S5a are connected in series
- switching element S3b is a series circuit in which switching element S4b and switching element S5b are connected in series. Connecting.
- the cathodes of the diodes D11 and D1 n and the anodes of the diodes D21 and D2 n are connected to the terminals 3 and 2N-1.
- a series circuit in which switching elements S4a and S5a are connected in series and a series circuit in which S4b and S5b are connected in series are connected to the diodes D11 and D21 and D1n and D2n.
- One end of the switching elements S8 and S7 is connected to a common connection point between the switching elements S4a and S5a, and S4b and S5b.
- the other ends of the switching elements S7 and S8 are connected to each other, and a common connection point thereof is used as an output terminal.
- the terminal 3 and the terminal 2N-1 are one, and the common connection point of the switching elements S4b and S5b is an output terminal U. Further, in order to make the withstand voltage, diodes Du1a and Du1b, Du2a and Du2b, Su4a and Su4b, and Su5a and Su5b are connected in series.
- one end of the switching elements S1a and S1b is connected to the terminals 1 and 2N + 1
- one end of the switching elements S2a and S2b is connected to the terminals 2 and 2N
- others of the switching elements S1a and S2a, S1b and S2b are connected to each other, and one end of the switching elements 3a and 3b is connected to the common connection point of the switching elements S1a and S2a and S1b and S2b.
- one end of the bidirectional switch is connected to the terminals 3 and 2N-1
- the other end of the bidirectional switch is connected to the other end of the switching elements S3a and S3b
- the switching elements S3a and S3b are commonly connected to the bidirectional switch. Let point be an output terminal.
- the terminals 3 and 2N-1 are one.
- the phase module has a function of selectively connecting any one of the input terminals 1, 2,..., 2N + 1 to the output terminal OUT by the ON / OFF operation of the switching element therein.
- the circuit groups that is, DC voltage sources DCC1 to DCCN and basic cells 10a to 10n
- the circuit groups from the DC voltage sources DCC1 to DCCN to the phase module of each phase are divided into DC voltage groups 1 to Let's say N.
- the voltage levels input from one DC voltage group 1 to N to the phase module are three levels of 0, E and 2E.
- the voltage reference point is the negative terminal of the DC voltage source DCC1 to DCCN of the DC voltage group.
- the voltage level 2E of a certain DC voltage group and the voltage level 0 of the DC voltage group one upper stage thereof become the same phase voltage when viewed from the output terminal of the phase module.
- the fourteenth embodiment is an example using the phase module of FIG. 28 (d), the fifteenth embodiment is the phase module of FIG. 28 (b), and the sixteenth embodiment is a phase module of FIG. 28 (c). Since the number N of direct current voltage groups in the fourteenth to sixteenth embodiments is 2, the number of output voltage levels is five.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
Abstract
Description
図29に示す従来技術における相電圧0を出力するパターンの例を、図1に示す。図29に示す従来技術においては、ダイオード素子Su9~Su12を用いて、相電圧0を出力しているが、ほかの手段で相電圧0を出力することができれば、これらのダイオード素子Su9~Su12は省略できる。
図4に実施形態2におけるマルチレベル電力変換装置の回路構成を示す。本実施形態2は実施形態1と回路構成は同一であるが、直流電圧源DCC1,DCC2とフライングキャパシタFC1,FC2,キャパシタFC1u,FC1v,FC1wの電圧比を変えたものである。なお、相電圧の基準点は端子0とする。
図6に、本実施形態3におけるマルチレベル電力変換装置の回路構成を示す。本実施形態3におけるマルチレベル電力変換装置は、各相共通の直流電圧源DCC1~DCC4を備え、各相にそれぞれ設けられた相モジュールにより、電圧を選択して出力端子U,V,Wから出力する。相モジュールは、U相において、スイッチング素子Su1~Su8,キャパシタFC1uを備える。
図7に、本実施形態4におけるマルチレベル電力変換装置の回路構成を示す。
図8に、本実施形態5におけるマルチレベル電力変換装置の回路構成を示す。
図9に、本実施形態6におけるマルチレベル電力変換装置の回路構成を示す。
図10に、本実施形態7におけるマルチレベル電力変換装置の回路構成を示す。
図11に、本実施形態8におけるマルチレベル電力変換装置の回路構成を示す。
また、レベル数が増加することから、実施形態7と比較すると、出力電圧・電流高調波を抑制でき、高調波抑制フィルタを小型化できる。
図12に本実施形態9におけるマルチレベル電力変換装置を示す。
図14に本実施形態10におけるマルチレベル電力変換装置を示す。
図15に、本実施形態11におけるマルチレベル電力変換装置を示す。
実施形態6は、本実施形態11をN=1,M=3とし、図13(d)の相モジュールを使用し、図15の直流電圧源DCC1~DCCNの電圧を3.5E、フライングキャパシタFC1、FC4Nの電圧をE、フライングキャパシタFC2N、FC2N+1の電圧を1.5E、図13の相モジュールのキャパシタFCM0の電圧を2Eに制御した場合の例である。
図16に、本実施形態12におけるマルチレベル電力変換装置を示す。
図17に、本実施形態13におけるマルチレベル電力変換装置を示す。
実施形態14~17におけるマルチレベル電力変換装置で用いる基本セルを図18に示す。基本セルはフライングキャパシタFC1と半導体素子(例えば、IGBT)Sf1,Sf2,Sf3,Sf4とを備え、M相で共通化する。以上のように、各相共通の基本セルを設けることで、使用するスイッチング素子(半導体素子含む)数を低減することが可能となる。
本実施形態15におけるマルチレベル電力変換装置の回路構成を図23に示す。以下、本実施形態15におけるマルチレベル電力変換装置の回路構成を図23に基づいて説明する。本実施形態15におけるマルチレベル電力変換装置は、各相共通の直流電圧源DCC1,DCC2,第1,第2基本セル10a,10bを備え、各相にそれぞれ設けられた相モジュールにより、電圧を選択して出力端子U,V,Wから出力する。
本実施形態16におけるマルチレベル電力変換装置の回路構成を図25に示す。以下、本実施形態16におけるマルチレベル電力変換装置の回路構成を図25に基づいて説明する。本実施形態16におけるマルチレベル電力変換装置は、各相共通の直流電圧源DCC1,DCC2,第1,第2基本セル10a,10bを備え、各相にそれぞれ設けられた相モジュールにより、電圧を選択して出力端子U,V,Wから出力する。
本実施形態17におけるマルチレベル電力変換装置の回路構成を図27示す。この回路は、フライングキャパシタFC1~FCNを三相で共通化している。
また、ある直流電圧群の電圧レベル2Eと、その1つ上段の直流電圧群の電圧レベル0は、相モジュールの出力端子から見ると同じ相電圧となる。直流電圧群がN段ある構成では、上記のように電圧レベルが重なる部位が(N-1)箇所ある。したがって、図27において、出力端子OUT1~OUTMには、(3N-(N-1))=(2N+1)レベルの電圧を出力できる。
Claims (15)
- 直流電圧源、フライングキャパシタ、およびキャパシタの電圧から複数の電圧レベルに変換した交流出力を生成するマルチレベル電力変換装置であって、
N個(N≧1)直列接続された各相共通の直流電圧源と、
各直流電圧源の負極端に一端が接続された各相共通の第1フライングキャパシタと、
各直流電圧源の正極端に一端が接続された各相共通の第2フライングキャパシタと、
第1フライングキャパシタの正極端,負極端,第2フライングキャパシタの正極端,負極端を入力端子とし、
各入力端子にスイッチング素子の一端を接続し、隣り合う2つのスイッチング素子の他端同士を接続し、他端同士を接続したスイッチング素子の共通接続点にスイッチング素子の一端を接続し、これをスイッチング素子が2つになる最終段まで繰り返し、最終段の2つのスイッチング素子の他端間に2つの出力段のスイッチング素子を直列接続し、出力段の2つのスイッチング素子に対してキャパシタを並列に接続し、出力段のスイッチング素子の共通接続点を出力端子とし、
各スイッチング素子を選択的にON,OFF制御することにより、前記入力端子のうち何れかの端子の電位、または、前記入力端子のうち何れかの端子の電位にキャパシタの電圧を加算,減算した電位を出力端子から出力するM相(M≧2)の相モジュールと、
を備えたマルチレベル電力変換装置。 - 直流電圧源、フライングキャパシタおよびキャパシタの電圧から複数の電圧レベルに変換した交流出力を生成するマルチレベル電力変換装置であって、
N個(N≧2)の直列接続された各相共通の直流電圧源と、
第n直流電圧源(n:奇数)と第n+1直流電圧源(n+1:偶数)の共通接続点に正極端が接続された第1フライングキャパシタと、
各n直流電圧源と第n+1直流電圧源の共通接続点に負極端が接続された第2フライングキャパシタと、
第n直流電圧源の負極端,第1フライングキャパシタの負極端,第n+1直流電圧源の正極端,第2フライングキャパシタの正極端を入力端子とし、
各入力端子にスイッチング素子の一端を接続し、隣り合う2つのスイッチング素子の他端同士を接続し、他端同士を接続したスイッチング素子の共通接続点にスイッチング素子の一端を接続し、これをスイッチング素子が2つになる最終段まで繰り返し、最終段の2つのスイッチング素子の他端間に2つの出力段のスイッチング素子を直列接続し、出力段の2つのスイッチング素子に対してキャパシタを並列に接続し、出力段のスイッチング素子の共通接続点を出力端子とし、
各スイッチング素子を選択的にON,OFF制御することにより、前記入力端子のうち何れかの端子の電位、または、前記入力端子のうち何れかの端子の電位にキャパシタの電圧を加算,減算した電位を出力端子から出力するM相(M≧2)の相モジュールと、
を備えたマルチレベル電力変換装置。 - 直流電圧源、フライングキャパシタおよびキャパシタの電圧から複数の電圧レベルに変換した交流出力を生成するマルチレベル電力変換装置であって、
2個直列接続された各相共通の直流電圧源と、
第1直流電圧源の負極端に、負極端が順次直列接続された各相共通のN個の第1~第Nフライングキャパシタと、
第1直流電圧源と第2直流電圧源の共通接続点に正極端が順次直列接続された各相共通のN個の第2N~第N+1フライングキャパシタと、
第1直流電圧源と第2直流電圧源の共通接続点に負極端が順次直列接続された各相共通のN個の第2N+1~第3Nフライングキャパシタと、
第2直流電圧源の正極端に、正極端が順次直列接続された各相共通のN個の第4N~第3N+1フライングキャパシタと、
第1フライングキャパシタの正極端,負極端,第2~第Nフライングキャパシタの正極端,第N+1~第2Nフライングキャパシタの負極端,第2N+1~第3Nフライングキャパシタの正極端,第3N+1~第4N-1フライングキャパシタの負極端,第4Nフライングキャパシタの正極端,負極端を入力端子とし、
各入力端子にスイッチング素子の一端を接続し、隣り合う2つのスイッチング素子の他端同士を接続し、他端同士を接続したスイッチング素子の共通接続点にスイッチング素子の一端を接続し、これをスイッチング素子が2つになる最終段まで繰り返し、最終段の2つのスイッチング素子の他端間に2つの出力段のスイッチング素子を直列接続し、出力段の2つのスイッチング素子に対してキャパシタを並列に接続し、出力段のスイッチング素子の共通接続点を出力端子とし、
各スイッチング素子を選択的にON,OFF制御することにより、前記入力端子のうち何れかの端子の電位、または、前記入力端子のうち何れかの端子の電位にキャパシタの電圧を加算,減算した電位を出力端子から出力するM相(M≧2)の相モジュールと、
を備えたマルチレベル電力変換装置。 - 直流電圧源、フライングキャパシタおよびキャパシタの電圧から複数の電圧レベルに変換した交流出力を生成するマルチレベル電力変換装置であって、
2個直列接続された各相共通の直流電圧源と、
第1直流電圧源の負極側に、負極端が順次直列接続された各相共通のN個の第1~第Nフライングキャパシタと、
第2直流電圧源の正極側に、正極端が順次直列接続された各相共通のN個の第N+1~第2Nフライングキャパシタと、
第1フライングキャパシタの正,負極端,第2~第Nフライングキャパシタの正極端,第N+1~第2N-1フライングキャパシタの負極端,第2Nフライングキャパシタの正,負極端を入力端子とし、
各入力端子にスイッチング素子の一端を接続し、隣り合う2つのスイッチング素子の他端同士を接続し、他端同士を接続したスイッチング素子の共通接続点にスイッチング素子の一端を接続し、これをスイッチング素子が2つになる最終段まで繰り返し、最終段の2つのスイッチング素子の他端間に2つの出力段のスイッチング素子を直列接続し、出力段の2つのスイッチング素子に対してキャパシタを並列に接続し、出力段のスイッチング素子の共通接続点を出力端子とし、
各スイッチング素子を選択的にON,OFF制御することにより、前記入力端子のうち何れかの端子の電位、または、前記入力端子のうち何れかの端子の電位にキャパシタの電圧を加算,減算した電位を出力端子から出力するM相(M≧2)の相モジュールと、
を備えたマルチレベル電力変換装置。 - 第1直流電圧源と第2直流電圧源を1つの直流電圧源に統合した請求項4に記載のマルチレベル電力変換装置。
- 直流電圧源およびキャパシタの電圧から複数の電圧レベルに変換した交流出力を生成するマルチレベル電力変換装置であって、
2N+2個(N≧1)直列接続された各相共通の直流電圧源と、
第1,第2N+2直流電圧源の正極端,負極端,第2~第N直流電圧源の正極端,第N+3~第2N+1直流電圧源の負極端を入力端子とし、
各入力端子にスイッチング素子の一端を接続し、隣り合う2つのスイッチング素子の他端同士を接続し、他端同士を接続したスイッチング素子の共通接続点にスイッチング素子の一端を接続し、これをスイッチング素子が2つになる最終段まで繰り返し、最終段の2つのスイッチング素子の他端間に2つの出力段のスイッチング素子を直列接続し、出力段の2つのスイッチング素子に対してキャパシタを並列に接続し、出力段のスイッチング素子の共通接続点を出力端子とし、
各スイッチング素子を選択的にON,OFF制御することにより、前記入力端子のうち何れかの端子の電位、または、前記入力端子のうち何れかの端子の電位にキャパシタの電圧を加算,減算した電位を出力端子から出力するM相(M≧2)の相モジュールと、
を備えたマルチレベル電力変換装置。 - 第N+1直流電圧源と第N+2直流電圧源を1つの直流電圧源に統合した請求項6に記載のマルチレベル電力変換装置。
- 直流電圧から複数の電圧レベルに変換した交流出力を生成するマルチレベル電力変換装置であって、
N個(N≧2)直列接続された各相共通の直流電圧源と、
各直流電圧源の正極端に一端が接続された第1半導体素子と、各直流電圧源の負極端に一端が接続された第2半導体素子と、第1半導体素子の他端と、第2半導体素子の他端との間に接続されたフライングキャパシタと、第1半導体素子とフライングキャパシタの共通接続点と第2半導体素子とフライングキャパシタの共通接続点との間に直列接続された第3,第4半導体素子と、を有する各相共通の基本セルと、
第1半導体素子の一端と第2半導体素子の一端とのうち少なくとも一方と、第3,第4半導体素子の共通接続点と、を入力端子とし、各入力端子と出力端子間にスイッチング素子を有し、各スイッチング素子を選択的にON,OFF制御するM相(M≧3)の相モジュールと、
を備えたマルチレベル電力変換装置。 - 前記相モジュールは、
各入力端子にスイッチング素子の一端を接続し、隣り合う2つのスイッチング素子の他端同士を接続し、他端同士を接続したスイッチング素子の共通接続点にスイッチング素子の一端を接続し、これをスイッチング素子が2つになる最終段まで繰り返し、最終段の2つのスイッチング素子の他端間に2つの出力段のスイッチング素子を直列接続し、出力段の2つのスイッチング素子に対してキャパシタを並列に接続し、出力段のスイッチング素子の共通接続点を出力端子とし、
各スイッチング素子を選択的にON,OFF制御することにより、前記入力端子のうち何れかの端子の電位、または、前記入力端子のうち何れかの端子の電位にキャパシタの電圧を加算,減算した電位を出力端子から出力する請求項8記載のマルチレベル電力変換装置。 - 前記相モジュールは、
第1半導体素子の一端と第2半導体素子の一端とのうち一方に第1スイッチング素子の一端を接続し、第3,第4半導体素子の共通接続点に第2スイッチング素子の一端を接続し、第1,第2スイッチング素子の他端同士を接続し、第1,第2スイッチング素子の共通接続点に第3スイッチング素子の一端を接続し、
第3スイッチング素子の他端に、第4スイッチング素子と第5スイッチング素子とを直列接続した直列回路の一端を接続し、
第1半導体素子の一端と第2半導体素子の一端のうち他方の共通接続点に、第1ダイオードのカソードと第2ダイオードのアノードを接続し、第1ダイオードと第2ダイオードに対して並列に第4スイッチング素子と第5スイッチング素子とを直列接続した直列回路を接続し、
第4,第5スイッチング素子の共通接続点を出力端子とし、または、第4,第5スイッチング素子が複数ある場合は、第4,第5スイッチング素子の共通接続点にスイッチング素子の一端を接続し、隣り合う2つのスイッチング素子の他端同士を接続し、他端同士を接続したスイッチング素子の共通接続点にスイッチング素子を接続し、これをスイッチング素子が2つになる出力段まで繰り返し、出力段の2つのスイッチング素子の共通接続点を出力端子とし、
各スイッチング素子を選択的にON,OFF制御することにより、前記入力端子のうち何れかの端子の電位を出力端子から出力する請求項8記載のマルチレベル電力変換装置。 - 前記相モジュールは、
第1半導体素子の一端と第2半導体素子の一端とのうち一方に第1スイッチング素子の一端を接続し、第3,第4半導体素子の共通接続点に第2スイッチング素子の一端を接続し、第1,第2スイッチング素子の他端同士を接続し、第1,第2スイッチング素子の共通接続点に第3スイッチング素子の一端を接続し、
第1半導体素子の一端と第2半導体素子の一端のうち他方の共通接続点に、双方向スイッチの一端を接続し、双方向スイッチの他端に第3スイッチング素子の他端を接続し、
第3スイッチング素子と、双方向スイッチの共通接続点を出力端子とし、
各スイッチング素子を選択的にON,OFF制御することにより、前記入力端子のうち何れかの端子の電位を出力端子から出力する請求項8記載のマルチレベル電力変換装置。 - 最終段以外の隣り合う2つのスイッチング素子の他端間に2つのスイッチング素子を直列接続し、その直列接続された2つのスイッチング素子にキャパシタを並列接続し、直列接続された2つのスイッチング素子の共通接続点に次段のスイッチング素子の一端を接続し、各スイッチング素子を選択的にON,OFF制御することにより、前記入力端子のうち何れかの端子の電位、または、前記入力端子のうち何れかの端子の電位に、出力段のスイッチング素子に並列接続されたキャパシタや、最終段以外の隣り合うスイッチング素子間に直列接続されたスイッチング素子に並列接続されたキャパシタの電圧を加算,減算した電位を出力端子から出力する請求項1~7,9のうち何れかに記載のマルチレベル電力変換装置。
- 各直流電圧源を直列数2以上に分割した請求項1~12のうち何れかに記載のマルチレベル電力変換装置。
- スイッチング素子および半導体素子の一部または全てを直列数2以上に分割した請求項1~13のうち何れかに記載のマルチレベル電力変換装置。
- スイッチング素子および半導体素子の一部または全てを並列数2以上に分割した請求項1~14のうち何れかに記載のマルチレベル電力変換装置。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14832709.1A EP3029824A4 (en) | 2013-08-02 | 2014-05-28 | Multilevel power conversion device |
BR112016002128-2A BR112016002128B1 (pt) | 2013-08-02 | 2014-05-28 | Dispositivo de conversão de energia de múltiplos níveis |
RU2016105213A RU2634910C2 (ru) | 2013-08-02 | 2014-05-28 | Многоуровневое силовое преобразовательное устройство |
SG11201600761VA SG11201600761VA (en) | 2013-08-02 | 2014-05-28 | Multilevel power conversion device |
US14/908,884 US9948206B2 (en) | 2013-08-02 | 2014-05-28 | Multilevel power conversion device with flying capacitor |
CA2920079A CA2920079C (en) | 2013-08-02 | 2014-05-28 | Multilevel power conversion device |
CN201480043665.9A CN105453406B (zh) | 2013-08-02 | 2014-05-28 | 多电平电力变换装置 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013-160999 | 2013-08-02 | ||
JP2013160999 | 2013-08-02 | ||
JP2013240681A JP6206118B2 (ja) | 2013-08-02 | 2013-11-21 | マルチレベル電力変換装置 |
JP2013-240681 | 2013-11-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015015885A1 true WO2015015885A1 (ja) | 2015-02-05 |
Family
ID=52431430
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2014/064105 WO2015015885A1 (ja) | 2013-08-02 | 2014-05-28 | マルチレベル電力変換装置 |
Country Status (9)
Country | Link |
---|---|
US (1) | US9948206B2 (ja) |
EP (1) | EP3029824A4 (ja) |
JP (1) | JP6206118B2 (ja) |
CN (1) | CN105453406B (ja) |
BR (1) | BR112016002128B1 (ja) |
CA (1) | CA2920079C (ja) |
RU (1) | RU2634910C2 (ja) |
SG (1) | SG11201600761VA (ja) |
WO (1) | WO2015015885A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015174454A1 (ja) * | 2014-05-14 | 2015-11-19 | 株式会社明電舎 | 5レベル電力変換器の制御方法 |
TWI721818B (zh) * | 2019-03-14 | 2021-03-11 | 大陸商台達電子企業管理(上海)有限公司 | 直流轉換系統以及直流轉換系統控制方法 |
US11223285B2 (en) | 2019-03-14 | 2022-01-11 | Delta Electronics (Shanghai) Co., Ltd. | DC-DC conversion system and control method of DC-DC conversion system |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101689824B1 (ko) * | 2014-11-20 | 2016-12-27 | 한국전기연구원 | 모듈라 멀티레벨 컨버터 및 그 서브모듈 |
FR3036237B1 (fr) * | 2015-05-11 | 2018-06-01 | Schneider Toshiba Inverter Europe Sas | Dispositif de conversion de puissance moyenne tension multiniveaux a sortie alternative |
JP6728789B2 (ja) * | 2016-03-07 | 2020-07-22 | 株式会社明電舎 | マルチレベル電力変換器の制御方法およびマルチレベル電力変換器 |
JP6900759B2 (ja) * | 2017-04-17 | 2021-07-07 | 株式会社明電舎 | 電力変換回路の制御装置 |
JP6428859B1 (ja) * | 2017-06-16 | 2018-11-28 | 株式会社明電舎 | マルチレベル電力変換装置 |
JP6439835B1 (ja) * | 2017-08-24 | 2018-12-19 | 株式会社明電舎 | マルチレベル電力変換装置およびその制御方法 |
JP6962081B2 (ja) * | 2017-09-06 | 2021-11-05 | 株式会社明電舎 | マルチレベル電力変換装置 |
WO2019069654A1 (ja) * | 2017-10-06 | 2019-04-11 | パナソニックIpマネジメント株式会社 | 電力変換装置 |
CN108667327B (zh) * | 2018-05-03 | 2020-03-20 | 华为数字技术(苏州)有限公司 | 多电平逆变器 |
CN110113012B (zh) * | 2019-05-05 | 2022-02-01 | 武汉大学 | 一种提高线性功率放大器效率的电路拓扑及方法 |
JP7153878B2 (ja) * | 2019-05-21 | 2022-10-17 | パナソニックIpマネジメント株式会社 | 電力変換装置 |
JP7354629B2 (ja) * | 2019-07-11 | 2023-10-03 | 富士電機株式会社 | フライングキャパシタ回路、回路モジュールおよび電力変換装置 |
CN112737387A (zh) * | 2019-10-14 | 2021-04-30 | 台达电子工业股份有限公司 | 电力系统 |
CN112003490B (zh) * | 2020-07-31 | 2021-06-04 | 北京金风科创风电设备有限公司 | 三电平变流器的功率组件及三电平变流器 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005168240A (ja) * | 2003-12-04 | 2005-06-23 | Toshiba Corp | 電気車制御装置におけるコンバータ回路 |
JP2006087257A (ja) * | 2004-09-17 | 2006-03-30 | Fuji Electric Holdings Co Ltd | マルチレベルコンバータ及びその制御方法 |
JP2010093978A (ja) * | 2008-10-09 | 2010-04-22 | Toshiba Corp | 電力変換装置 |
JP2013078204A (ja) * | 2011-09-30 | 2013-04-25 | Toshiba Corp | 電力変換装置 |
JP2013085358A (ja) * | 2011-10-07 | 2013-05-09 | Toshiba Mitsubishi-Electric Industrial System Corp | 電力変換装置 |
JP2013132261A (ja) | 2011-12-27 | 2013-07-08 | Imuraya Group Co Ltd | 小豆飲料の製造方法 |
JP2013146117A (ja) * | 2012-01-13 | 2013-07-25 | Fuji Electric Co Ltd | マルチレベル電力変換回路 |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005041087A1 (de) * | 2005-08-30 | 2007-03-01 | Siemens Ag | Stromrichterschaltung mit verteilten Energiespeichern |
KR101392117B1 (ko) * | 2008-01-08 | 2014-05-07 | 에이비비 테크놀로지 아게 | 전압원 컨버터 제어 방법 및 전압 변환 장치 |
CN101494425A (zh) * | 2009-01-19 | 2009-07-29 | 上海海事大学 | 三相混合多电平逆变电路 |
DE112009004960B4 (de) * | 2009-06-19 | 2015-10-22 | Mitsubishi Electric Corporation | Leistungsumwandlungseinrichtung |
WO2012040257A1 (en) * | 2010-09-21 | 2012-03-29 | Curtiss-Wright Electro-Mechanical Corporation | Two terminal multilevel converter |
US9768683B2 (en) * | 2011-01-18 | 2017-09-19 | Peregrine Semiconductor Corporation | Differential charge pump |
JP2013215043A (ja) * | 2012-04-02 | 2013-10-17 | Fuji Electric Co Ltd | マルチレベル電力変換装置 |
JP2013223274A (ja) * | 2012-04-13 | 2013-10-28 | Fuji Electric Co Ltd | マルチレベル電力変換装置 |
JP6040582B2 (ja) * | 2012-06-14 | 2016-12-07 | 富士電機株式会社 | マルチレベル電力変換回路の保護制御方式 |
JP5598513B2 (ja) * | 2012-08-29 | 2014-10-01 | 株式会社村田製作所 | 電力系統連系インバータ装置 |
JP5626293B2 (ja) * | 2012-08-29 | 2014-11-19 | 株式会社村田製作所 | インバータ装置 |
US20150249403A1 (en) * | 2012-09-13 | 2015-09-03 | National Institute Of Advanced Industrial Science And Technology | Multilevel Power Conversion Circuit and Device |
JP5949932B2 (ja) * | 2012-10-17 | 2016-07-13 | 株式会社村田製作所 | インバータ装置 |
US9660553B2 (en) * | 2012-11-30 | 2017-05-23 | Ingeteam Power Technology, S.A. | Switching stage, energy conversion circuit, and conversion stage for wind turbines comprising the energy conversion circuit |
JP2014135799A (ja) * | 2013-01-08 | 2014-07-24 | Toshiba Mitsubishi-Electric Industrial System Corp | 電力変換装置 |
WO2014128842A1 (ja) * | 2013-02-20 | 2014-08-28 | 株式会社 日立製作所 | 電力変換器 |
US9246407B2 (en) * | 2013-03-29 | 2016-01-26 | General Electric Company | Voltage balancing system and method for multilevel converters |
WO2014162591A1 (ja) * | 2013-04-05 | 2014-10-09 | 東芝三菱電機産業システム株式会社 | 電力変換装置 |
JP6146130B2 (ja) * | 2013-05-21 | 2017-06-14 | 富士電機株式会社 | 電力変換装置のゲート駆動電源供給回路 |
JP6075224B2 (ja) | 2013-06-25 | 2017-02-08 | 株式会社明電舎 | マルチレベル電力変換装置 |
WO2015063898A1 (ja) * | 2013-10-30 | 2015-05-07 | 三菱電機株式会社 | 直流/直流変換装置および負荷駆動制御システム |
US9413221B1 (en) * | 2013-12-04 | 2016-08-09 | Google Inc. | Power conversion using a series of power converters |
US9318974B2 (en) * | 2014-03-26 | 2016-04-19 | Solaredge Technologies Ltd. | Multi-level inverter with flying capacitor topology |
CN105337521A (zh) * | 2014-08-11 | 2016-02-17 | 通用电气能源电能变换科技有限公司 | 多电平转换器 |
JP6102872B2 (ja) * | 2014-09-25 | 2017-03-29 | 株式会社豊田中央研究所 | 電力変換装置 |
US9467065B2 (en) * | 2014-12-30 | 2016-10-11 | General Electric Company | Method and apparatus for controlling a multilevel soft switching power converter |
US9641098B2 (en) * | 2015-03-12 | 2017-05-02 | Futurewei Technologies, Inc. | Multi-level inverter apparatus and method |
-
2013
- 2013-11-21 JP JP2013240681A patent/JP6206118B2/ja not_active Expired - Fee Related
-
2014
- 2014-05-28 WO PCT/JP2014/064105 patent/WO2015015885A1/ja active Application Filing
- 2014-05-28 RU RU2016105213A patent/RU2634910C2/ru active
- 2014-05-28 CA CA2920079A patent/CA2920079C/en not_active Expired - Fee Related
- 2014-05-28 EP EP14832709.1A patent/EP3029824A4/en not_active Withdrawn
- 2014-05-28 US US14/908,884 patent/US9948206B2/en not_active Expired - Fee Related
- 2014-05-28 CN CN201480043665.9A patent/CN105453406B/zh not_active Expired - Fee Related
- 2014-05-28 SG SG11201600761VA patent/SG11201600761VA/en unknown
- 2014-05-28 BR BR112016002128-2A patent/BR112016002128B1/pt active IP Right Grant
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005168240A (ja) * | 2003-12-04 | 2005-06-23 | Toshiba Corp | 電気車制御装置におけるコンバータ回路 |
JP2006087257A (ja) * | 2004-09-17 | 2006-03-30 | Fuji Electric Holdings Co Ltd | マルチレベルコンバータ及びその制御方法 |
JP2010093978A (ja) * | 2008-10-09 | 2010-04-22 | Toshiba Corp | 電力変換装置 |
JP2013078204A (ja) * | 2011-09-30 | 2013-04-25 | Toshiba Corp | 電力変換装置 |
JP2013085358A (ja) * | 2011-10-07 | 2013-05-09 | Toshiba Mitsubishi-Electric Industrial System Corp | 電力変換装置 |
JP2013132261A (ja) | 2011-12-27 | 2013-07-08 | Imuraya Group Co Ltd | 小豆飲料の製造方法 |
JP2013146117A (ja) * | 2012-01-13 | 2013-07-25 | Fuji Electric Co Ltd | マルチレベル電力変換回路 |
Non-Patent Citations (1)
Title |
---|
See also references of EP3029824A4 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015174454A1 (ja) * | 2014-05-14 | 2015-11-19 | 株式会社明電舎 | 5レベル電力変換器の制御方法 |
TWI721818B (zh) * | 2019-03-14 | 2021-03-11 | 大陸商台達電子企業管理(上海)有限公司 | 直流轉換系統以及直流轉換系統控制方法 |
US11223285B2 (en) | 2019-03-14 | 2022-01-11 | Delta Electronics (Shanghai) Co., Ltd. | DC-DC conversion system and control method of DC-DC conversion system |
Also Published As
Publication number | Publication date |
---|---|
EP3029824A1 (en) | 2016-06-08 |
RU2016105213A (ru) | 2017-09-07 |
US9948206B2 (en) | 2018-04-17 |
US20160181949A1 (en) | 2016-06-23 |
RU2634910C2 (ru) | 2017-11-08 |
CA2920079A1 (en) | 2015-02-05 |
CN105453406A (zh) | 2016-03-30 |
EP3029824A4 (en) | 2017-06-21 |
JP6206118B2 (ja) | 2017-10-04 |
CN105453406B (zh) | 2018-09-11 |
BR112016002128B1 (pt) | 2022-05-10 |
SG11201600761VA (en) | 2016-02-26 |
JP2015047056A (ja) | 2015-03-12 |
BR112016002128A2 (pt) | 2017-08-01 |
CA2920079C (en) | 2018-08-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2015015885A1 (ja) | マルチレベル電力変換装置 | |
RU2614051C1 (ru) | Многоуровневый силовой преобразователь | |
US9748862B2 (en) | Sparse matrix multilevel actively clamped power converter | |
EP2651024B1 (en) | Multilevel power converter | |
JP6123219B2 (ja) | マルチレベル電力変換器 | |
JP6011197B2 (ja) | マルチレベル電力変換装置 | |
JP6085415B2 (ja) | Dc/dc変換器セル装置、それから形成されるフィードバック能力を備えたdc/dc変換器回路、およびその操作方法 | |
EP3046246B1 (en) | Multilevel active rectifiers | |
EP2822164B1 (en) | Multi-level medium-voltage inverter | |
JP4641500B2 (ja) | 電力変換装置 | |
Nilkar et al. | A new single-phase cascade multilevel inverter topology using four-level cells | |
Panda et al. | Reduced switch count seven-level self-balanced switched-capacitor boost multilevel inverter | |
JP2011050159A (ja) | 単相/三相直接変換装置の制御方法 | |
WO2014162591A1 (ja) | 電力変換装置 | |
US20140292089A1 (en) | Power converter capable of outputting a plurality of different levels of voltages | |
JP2013055753A (ja) | マルチレベル電力変換器 | |
US20150214830A1 (en) | System and method of power conversion | |
EP3082238A2 (en) | Switch module and converter with at least one switch module | |
JP5855891B2 (ja) | 電力変換装置 | |
JP6428859B1 (ja) | マルチレベル電力変換装置 | |
JP7165923B2 (ja) | 電力変換装置 | |
Mamilla et al. | A new generalized cascaded multilevel structure for single phase H bridge inverter | |
EP3820040A1 (en) | Multiphase current-fed modular multilevel converter | |
JP2015037344A (ja) | Ac/ac変換器 | |
Shajana et al. | A Novel Cascaded Multilevel Inverter Structure using Reduced Power Electronic Elements. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 201480043665.9 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 14832709 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 14908884 Country of ref document: US |
|
ENP | Entry into the national phase |
Ref document number: 2920079 Country of ref document: CA |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
REG | Reference to national code |
Ref country code: BR Ref legal event code: B01A Ref document number: 112016002128 Country of ref document: BR |
|
WWE | Wipo information: entry into national phase |
Ref document number: IDP00201601035 Country of ref document: ID |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2014832709 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 2016105213 Country of ref document: RU Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 112016002128 Country of ref document: BR Kind code of ref document: A2 Effective date: 20160129 |