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
  • H02M7/53—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
  • H02M7/5387—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 in a bridge configuration
  • H02M7/53871—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 in a bridge configuration with automatic control of output voltage or current
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
  • B60L9/00—Electric propulsion with power supply external to the vehicle
  • B60L9/16—Electric propulsion with power supply external to the vehicle using ac induction motors
  • B60L9/30—Electric propulsion with power supply external to the vehicle using ac induction motors fed from different kinds of power-supply lines
• • 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
  • H02M3/00—Conversion of dc power input into dc power output
  • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
  • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
  • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
  • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac 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
  • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac 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
  • H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators
  • H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
  • H02M3/1582—Buck-boost 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
  • H02M3/00—Conversion of dc power input into dc power output
  • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
  • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
  • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
  • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac 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
  • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac 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
  • H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators
  • H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
  • H02M3/1584—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load with a plurality of power processing stages connected in parallel
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
  • B60L2200/00—Type of vehicles
  • B60L2200/26—Rail vehicles
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
  • B60L2210/00—Converter types
  • B60L2210/10—DC to DC converters
  • B60L2210/14—Boost 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
  • H02M1/00—Details of apparatus for conversion
  • H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
  • H02M1/007—Plural converter units in cascade
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
  • Y02T10/00—Road transport of goods or passengers
  • Y02T10/60—Other road transportation technologies with climate change mitigation effect
  • Y02T10/72—Electric energy management in electromobility

Definitions

• the invention relates to a motor drive circuit for a rail vehicle with a arranged at the input of Motoran horrschorn boost converter, which converts an input side of the Motoran Kunststoffscong DC voltage applied in a DC link voltage, the boost converter downstream pulse inverter, the output side to a drive motor of the rail vehicle connectable and is suitable for converting the intermediate circuit DC voltage of the boost converter into a motor drive voltage for driving the drive motor, and a control device controlling the boost converter, which controls the boost converter during operation in such a way that it supplies the predetermined rated DC link voltage for a DC network voltage below a predetermined rated intermediate DC voltage generated.
• FIG. 1 shows an example of such a circuit arrangement in buck converter operation
• FIG. 2 shows the same circuit arrangement in boost converter operation.
• the choice of nominal DC link voltage in the last-mentioned circuit design falls within a range of the minimum value of the mains voltage of a high-rated DC network and the maximum value of the mains voltage of a low-voltage DC network.
• this choice of the nominal DC link voltage ultimately leads to the fact that the performance of the motor drive circuit is not fully utilized both on the input side and on the output side.
• the invention is accordingly an object of the invention to provide a motor drive circuit for a rail vehicle, which avoids the disadvantages mentioned. This object is achieved by a Motoran Kunststoffscnies with the features of claim 1. Advantageous embodiments of the invention are specified in subclaims.
• the control device is designed such that it controls the step-up converter for a DC line voltage above the nominal DC link voltage such that this output side identical to the DC line DC link voltage or a maximum offset by a predetermined offset DC link voltage generated and these DC link DC voltage fed into the pulse inverter.
• An essential advantage of the invention is that a step-down converter is dispensed with, so that an input-side reconfiguration of the motor drive circuit from a high- to a step-down converter mode or vice versa - in contrast to the above-described prior art - in the motor drive circuit according to the invention is not required is, neither in DC networks with a low nominal value of the DC voltage nor in DC voltage networks with a high nominal value of the DC voltage.
• Another essential advantage of the invention is that the construction of the motor drive circuit is substantially simplified by the use of a simple boost converter instead of a switchable combination of boost and buck converter, since only a single low-inductance DC link is necessary and not as in the actuator combination with high and step down dividers two inductive intermediate circuits, which must be operated individually or in parallel depending on the choice of controller.
• the intermediate circuit DC voltage of the step-up converter can be adjusted particularly simply and thus advantageously by either setting the clock control of the step-up converter by the control device or converting it successively to very low values of the clock frequency.
• the semiconductor switches of the motor drive circuit used for the DC voltage or DC operation can be obtained, for example, by regrouping semiconductor switches necessary for AC voltage or AC operation.
• the motor drive circuit for AC operation is equipped with two four-quadrant (VQS) drivers, for DC drive with boost converter, the four phases of the VQS devices can be easily reconfigured to allow boost converter operation.
• VQS four-quadrant
• two phases of the VQS components are used as boost converters and the two other phases of the VQS components as brake dividers.
• the control device is configured such that the offset value corresponds to a minimum required for the operation of the boost converter minimum offset value and / or that the offset value is less than 10% of the DC voltage.
• the motor drive circuit is suitable for processing at least two different rated DC voltages, each of which is subject to two permissible voltage limits. Fluctuation ranges are assigned, wherein the nominal DC link voltage is preferably dimensioned such that it is greater than each of the two nominal DC voltages, but within the allowable voltage fluctuation range of the larger nominal DC voltage.
• the larger nominal DC voltage can be, for example, 3.0 kV and the associated voltage fluctuation range between 2.0 kV and 3.9 kV;
• the smaller nominal DC voltage can be 1.5 kV and the associated voltage fluctuation range can be between 1.0 kV and 1.95 kV (eg taking into account the standards DIN EN 50163, EN 50163 or UIC600).
• the invention also relates to a rail vehicle having at least one drive motor and at least one motor drive circuit designed according to the above aspects.
• the invention also relates to a method for controlling a drive motor of a rail vehicle, in which it is checked whether a DC input voltage applied to the input side is smaller than a predetermined rated DC link voltage and in the case of a DC line voltage below the predetermined DC link dc voltage with a boost converter as a DC link DC voltage predetermined rated DC link voltage is generated, and with the DC link voltage, a motor drive voltage for driving the drive motor is generated.
• any one of at least two predefined different nominal DC voltages is processed, each having two permissible voltage fluctuation ranges associated with it, wherein the nominal DC link voltage is specified such that it is greater than each of the two rated DC voltages but within the permissible voltage fluctuation range greater nominal DC voltage.
• FIG. 3 shows an exemplary embodiment of a motor drive circuit according to the invention
• FIG. 4 shows the course of the DC link voltage
• Figure 5 shows another embodiment of a motor drive circuit according to the invention, in which two boost converter are present, the through
• FIG. 6 shows the motor drive circuit according to FIG. 5 in another configuration for processing an AC voltage present on the input side
• FIG. 7 shows a further exemplary embodiment of a motor drive circuit according to the invention, in which both a DC operation and an AC operation are possible, and step-up dividers are formed by components of four-quadrant controllers.
• FIG. 3 shows a motor drive circuit 10, at the input of which ElO a mains direct voltage Udc is present.
• the motor drive circuit 10 generates on the output side at an output AlO a motor drive voltage which is identified by the reference symbol Umotor and which may be, for example, a three-phase voltage.
• the motor drive circuit 10 has on the input side a boost converter 20, to which a pulse inverter 30 is arranged downstream.
• the activation of the boost converter 20 is effected by a control device 40, in which a nominal intermediate DC voltage Unenn is fixed or variable within certain limits.
• the control device 40 is the input side indirectly or directly connected to the input ElO of Motoran Kunststoffscnies 10, so that the mains DC voltage Udc or one of Network DC voltage Udc corresponding reading also the controller 40 is available.
• control device 40 At the output A40, the control device 40 generates a control signal ST, which may, for example, be a pulse-width-modulated clock signal and with which the boost converter 20 is controlled in such a way that it converts the DC input voltage Udc on the input side into an intermediate circuit - DC voltage Uzk generated.
• the intermediate circuit DC voltage Uzk is thus applied to the inverter 30, which on the output side generates the already mentioned motor drive voltage Umotor.
• the control device 40 is configured in such a way that it carries out the activation of the boost converter 20 or the generation of the control signal ST as a function of the mains direct voltage Udc applied to the input E10 of the motor drive circuit 10.
• the control device 40 thus generates the control signal ST such that in the case of a Mains DC voltage Udc ⁇ Unenn as DC link DC voltage Uzk dynamically the predetermined rated DC link voltage Unenn is generated; for a mains DC voltage Udc ⁇ Unenn, the control device 40 controls the boost converter 20 in such a way that it generates a DC link voltage Uzk corresponding to the applied DC network voltage Udc. It therefore applies:
• Uoffset denotes an offset voltage whose magnitude is in a range between 0 and 10% of the value of Udc (- Udc / 10 ⁇ Uoffset ⁇ Udc / 10).
• the value Uoffset can be specified by the user or, alternatively, solely by the technical properties of the upload In the case of most boost converters 20, for technical reasons, the minimum voltage at the output of the boost converter will always be slightly greater than the input voltage present at the input of the boost converter; In this equation, the offset voltage Uoffset is taken into account in the above equations.
• the motor drive circuit is to be used, for example, in multi-system locomotives which can be operated not only with DC voltage but also with AC voltage, then it is considered advantageous if the components of the motor drive circuit required for the DC operation or DC operation of the multisystem locomotives are switched on circuit-related regrouping be obtained for the AC operation or AC operation anyway necessary components.
• Such a regrouping takes place, for example, in that with a plurality of contactors and switches the motor drive circuit is reconfigured depending on the selected operating mode for a DC or an AC operation.
• the motor drive circuit 10 is connected to a contact wire 90 and has u. a.
• Two four-quadrant controllers 100 and 110 which are used both for AC operation and for DC operation: In DC operation (see FIG. 5), only quadrature components 100 and 110 are used to construct two parallel boost converters 20 and 20 '. to build.
• the upper step-up converter 20 uses a freewheeling diode 120 and a switch 130 of the four-quadrant controller 100 and an inductance 140; the lower step-up converter 20 'uses a freewheeling diode 150 and a switch 160 of the four-quadrant actuator 110 and an inductance 170.
• the common DC link capacity Czk To the two boost converters 20 and 20' u u. a. also the common DC link capacity Czk.
• FIG. 7 there is shown another embodiment of a reconfigurable motor drive circuit 10 that is specifically adapted for use with a multi-system locomotive.
• the motor drive circuit has a transformer 200, four-quadrant controllers 100 and 110 and a plurality of further components which are switched on or off by switches for the different operating modes of the multi-system locomotive and thus to the respective desired configuration of the motor drive circuit 10 to lead.
• a corresponding interconnection of the components of the motor drive circuit 10 both a DC operation of the multi-system locomotive and an AC operation possible.
• the four-quadrant actuators are connected as brake dividers and as boost converters.
• the traction windings may be reconfigured as a DC input filter together with the intake circuit capacitor Csk and the intake choke formed by the inductors Ll, L3, and L4.
• the inductance Ll be integrated into one of the chokes L3 or L4.
• the predetermined in the control device 40 of Figure 3 nominal DC link voltage Unenn is preferably dimensioned in this case that it is greater than each of the two nominal DC voltages of 1.5 kV and 3.0 kV, but within the allowabledersschwankungsbe- range of the larger nominal DC voltage ,
• the voltage fluctuation range is 2.0 kV to 3.9 kV in accordance with the standard, so that the predefined nominal DC link voltage U rated is preferably in a range between 3.0 kV and 3.9 kV.
• the nominal DC link voltage in a range between 3.2 kV and 3.7 kV and z. B. 3.5 kV.

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• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Life Sciences & Earth Sciences (AREA)
• Sustainable Development (AREA)
• Sustainable Energy (AREA)
• Transportation (AREA)
• Mechanical Engineering (AREA)
• Electric Propulsion And Braking For Vehicles (AREA)
• Dc-Dc Converters (AREA)

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Citations (4)

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• 2008
  • 2008-03-13 DE DE102008014571A patent/DE102008014571A1/de not_active Withdrawn
• 2009
  • 2009-03-02 EP EP09721112A patent/EP2250043A1/de not_active Withdrawn
  • 2009-03-02 CN CN200980107776.0A patent/CN101959709B/zh not_active Expired - Fee Related
  • 2009-03-02 RU RU2010141857/11A patent/RU2482978C2/ru not_active IP Right Cessation
  • 2009-03-02 US US12/921,515 patent/US8453814B2/en not_active Expired - Fee Related
  • 2009-03-02 WO PCT/EP2009/052441 patent/WO2009112389A1/de active Application Filing

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