WO2012159663A1 - Elektrische speiseeinrichtung - Google Patents
Elektrische speiseeinrichtung Download PDFInfo
- Publication number
- WO2012159663A1 WO2012159663A1 PCT/EP2011/058438 EP2011058438W WO2012159663A1 WO 2012159663 A1 WO2012159663 A1 WO 2012159663A1 EP 2011058438 W EP2011058438 W EP 2011058438W WO 2012159663 A1 WO2012159663 A1 WO 2012159663A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- voltage
- udc
- connection
- transformer
- feed
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 7
- 210000004027 cell Anatomy 0.000 description 7
- 229910001416 lithium ion Inorganic materials 0.000 description 7
- 210000000352 storage cell Anatomy 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000006399 behavior Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 241000283070 Equus zebra Species 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910005580 NiCd Inorganic materials 0.000 description 1
- 229910005813 NiMH Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000012983 electrochemical energy storage Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/10—The dispersed energy generation being of fossil origin, e.g. diesel generators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/22—The renewable source being solar energy
- H02J2300/24—The renewable source being solar energy of photovoltaic origin
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/28—The renewable source being wind energy
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/30—The power source being a fuel cell
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Definitions
- the invention relates to an electrical feed device with at least one feed connection, on which
- electrical energy may electric power fed into the feed device and / or be removed from the feed device, with a converter, the at least one alternating voltage terminal to which an alternating current fed ⁇ or can be removed, and at least one
- DC terminal to which a direct current can be fed or removed has, and one with the
- the energy module may be
- an energy source for example in the form of an energy storage or energy generator act.
- the invention is based on the object at a feed device of the type described to increase the work area the task.
- Transformer device is connected, which can transform down the voltage applied to the supply terminal of the feeder input voltage to a lower voltage for the inverter down.
- An essential advantage of the feed device according to the invention consists in an enlarged operating range for the energy module in comparison to feed devices without switchgear. bare transformer device.
- the working range of the power module is limited by the operation of the inverter in a feed device without the inventively provided switchable transformer means.
- the upper limit Udcmax of the DC voltage Udc at the DC voltage connection of the converter is limited by the voltage capacity of the components of the converter; the lower limit Udcmin of the DC voltage Udc at the DC voltage connection of the converter is determined by AC voltage Uac at the AC voltage connection of the converter. It applies here:
- the DC voltage on the power module can be switched without a switchable power supply
- the inverter can transform down the voltage applied to the supply terminal of the feeder input voltage as needed to a lower voltage for the inverter down.
- the operating range of the energy module can be increased, although the operating range of the inverter is limited and remains limited; this will be briefly explained by means of an example. If it is a conventional 2-point inverter based on IGBT, the upper limit Udcmax of the DC voltage Udc at the DC voltage connection of the inverter is limited to approx. 1200V. If, in ⁇ game example of an AC voltage Vac at the AC terminal of 650V, so the lower limit of the DC voltage Udc Udcmin at the output of the inverter is at 650V *
- the working range of the power module is therefore limited to the range between 1200V and 920V, although the power module may also be in an area below 920 V could be operated. If the transformer device proposed according to the invention is switched on or switched on, for example when the lower voltage limit of 920 V is reached, and the AC voltage is transformed down as required, for example by the factor, the lower limit Udcmin of the DC voltage Udc is reduced
- the operating range of the energy module thus increases to a range between 1200V and 530V (compared to a range between 1200V and 920V without switchable transformer device).
- the transformer device can, for example, be switched on and off in order to enable the changeover of the operating range for the energy module as required.
- the transformer device is switchable, in such a way that, depending on the switching position, optionally at least two different voltage levels are available on the secondary side.
- a switching position in the case of a high voltage on the power module and another switching position in the case of a contrast lower voltage can be provided on the power module.
- the switching of the transformer device is preferably carried out with a control device which is in communication with the transformer device.
- the control device preferably measures the voltage at the power module or the voltage at the DC voltage connection of the converter (or a voltage proportional to the said voltages) and adjusts the switching position of the transformer device as a function of the voltage.
- the transformer device is preferably three-phase and can be switched on the secondary side optionally in a star connection or in a delta connection. Both in the star connection and in the delta connection, the Transformer advantageously transfer the same power; The transformer device can be switched without having to change anything in the number of turns of the transformer device.
- the control device is designed such that it switches the transformer device on the secondary side in the star connection when the voltage to the power module or the voltage at the DC voltage terminal of Um ⁇ judge (or one to voltage proportional to said voltages) exceeds a predetermined first threshold, and the transformer means on the secondary side switches to delta connection when the voltage at the power module or the voltage at the DC voltage terminal of the inverter (or a voltage proportional to said voltages) is a predetermined second one Threshold falls below.
- the first threshold and the second threshold may be identical.
- the first threshold is greater than the second threshold; This allows a kind of "hysteresis behavior" when switching ⁇ th.
- the transformer means may be alternatively or additionally also be switched in such that depending on the switching position, are, optionally, at least two different Thussver ⁇ ratios between the primary side and secondary side to Veryog- supply.
- shape ratio is here, for example, the ratio between the voltage on the primary side and the voltage on the secondary side ver ⁇ stood.
- the control device is designed such that it increases the transmission ratio when the voltage at the power module or the voltage at the DC voltage Connection of the inverter falls below a predetermined threshold un ⁇ .
- the primary side of the transformer device is preferably connected in delta connection, although a star connection on the primary side is possible.
- a filter is preferably electrically connected.
- the filter preferably suppresses spurious frequencies generated by the inverter.
- the energy module is preferably an energy source, in particular in the form of an energy store or an energy generator.
- the energy store is an electric memory such as an electrochemical or an electro-mechanical energy storage.
- the energy store may comprise at least one primary element, that is to say a non-rechargeable element, and / or at least one secondary element, that is to say a rechargeable element.
- the energy storage at least also includes one or more of the following types of batteries: lithium-ion battery, lithium iron phosphate battery, Li ⁇ thium polymer battery, lead acid battery, NiCd battery, NiMH Bat- terie, high-temperature battery, NaS battery, zebra battery, sodium air battery.
- the energy stores are preferably equipped with an individual control algorithm and / or an individual balancing circuit.
- an energy store may comprise a capacitor, in particular a double-layer capacitor or a hybrid capacitor. If it han ⁇ punched at the power module to a power source, it is considered advantageous if these tovoltaikstrom a Fo and / or comprises a wind generator and / or a fuel cell.
- the inverter of the feed device it is considered to be advantageous if it is a two-point converter, a three-point converter or a multi-level converter, for example a converter based on the Marquardt topology ,
- the feeder described above can be used, for example, in electric vehicles to temporarily store energy and then provide for drive purposes.
- the invention also relates to an energy distribution ⁇ system for supplying a supply area with electrical ⁇ shear energy, the energy distribution system has at least one feed device, as has been described above.
- the invention also relates to a method of operating a feed device as described above. According to the invention it is provided that the voltage at the power module or the voltage at the DC terminal of the inverter (or to the said Spannun ⁇ gen proportional voltage) is measured and the transformation Gate device is set in dependence on the voltage.
- the advantages of the method according to the invention reference is made to the above-explained advantages of the feed device according to the invention, since the advantages of the feed device according to the invention essentially correspond to those of the method according to the invention.
- the transformer device on the secondary side in the star circuit is switched to the delta connection when the voltage at the power module or the voltage at the DC voltage connection of the converter (or a voltage proportional to the said voltages) falls below a predetermined second threshold value.
- Figure 1 shows a first embodiment of a
- Figure 3 shows a second embodiment of a
- the feed device has a power module, two inverters and two transformers,
- Figure 4 shows a third embodiment of a
- the Feeding device has a power module, three inverters and three transformers,
- Figure 5 shows a fourth embodiment of a
- the transformer of the feed device on the secondary side has two separate strands, which are each in communication with a plurality of energy modules, and
- Figure 6 shows a fifth embodiment of a
- FIG. 1 shows an energy distribution system 10, which is equipped with a feed device 20.
- the feed ⁇ device 20 serves to feed in and feed out of electrical energy into and out of the Energyverteilstrom 10 and has a feed terminal 21, which is using a switch S to a power supply network Nl in connection. Via the feed port 21 of energy can be fed, or into the SpeI ⁇ se owned 20 from these removed (fed out) will be.
- the feed device 20 comprises an inverter 30, the DC voltage terminal 31 is attached to an energy module 40 ⁇ closed.
- the power module 40 may be at ⁇ play an energy store, which has a plurality of memory cells.
- the power module comprising the cells may each have a voltage between 2V and 4.2V due to technical reasons.
- the reference numbers Be ⁇ 401, 402 and 40n in FIG. 1 The connection of the power module 40 to the DC voltage terminal 31 of the Um ⁇ judge 30 can be done for example via fuses SI, as shown in the figure 1.
- a switchable transformer device 50 is connected to its secondary side 51.
- the primary side 52 of the switchable transformer device 50 is connected to the feed terminal 21 of the feed device 20 in connection.
- the alternating voltage applied to the AC voltage terminal 32 of the converter 30 and thus to the secondary side 51 of the transformer device 50 is identified in FIG. 1 by the reference symbol Uac.
- the DC voltage applied to the DC voltage connection 31 and thus to the power module 40 is indicated in FIG. 1 by the reference symbol Udc.
- Inverter 30 may be equipped with a filter 33 which attenuates the spurious frequencies generated by inverter 30 (typically in the kilohertz range). Such a filter 33 may form part of the inverter 30 (as shown in FIG. 1) or may be a separate component.
- FIG. 1 additionally shows a control device 60 which measures the DC voltage Udc at the DC voltage connection 31 of the converter 30 and thus the voltage at the power module 40.
- the control device 60 evaluates the respective voltage measurement value and controls the switchable transformer device 50 accordingly, as will be explained in more detail below in more detail below.
- the switchable transformer device 50 is connected in delta connection on its primary side 52, as shown in FIG. 1 by a small triangle in the region of the primary side 52 of FIG Transformer device 50 is symbolized.
- the transformer device 50 is switchable, from a star circuit to a delta circuit and vice versa; This is indicated in the figure 1 by corresponding symbols.
- the switching of the transformer device 50 from the star connection into the delta connection or from the delta connection into the star connection is initiated by the control device 60 via a corresponding control signal ST.
- the controller 60 compares the DC voltage Udc in the DC voltage terminal 31 of the inverter 30 or on Ener ⁇ giemodul 40 with a given first and a given second threshold value, and switches the transformer ⁇ device 50 depending on the DC voltage measurement value into the star ⁇ circuit or in the delta connection ,
- control device 60 will switch the transformer device 50 on the secondary side 51 into the star connection if the DC voltage Udc on the energy module 40 exceeds the predetermined first threshold value.
- Transformer device 50 preferably switched by the control device 60 when the DC voltage Udc at the power module 40 a predetermined second threshold un ⁇ steps.
- the first threshold is greater than the second threshold, so that when switching on
- the transformer device 50 generates an AC voltage Uac in the amount of 650 V in the star connection on account of the mains voltage Un applied to the power supply network N1.
- the DC voltage Udc should be applied to the DC voltage connection 31 of the converter or to the energy module 40 always be at least as large as the "absolute" pasnikmi ⁇ nimalschreib of 920V, which corresponds to the -fold of 650V. Being a minimum DC voltage for safety reasons
- the operating range of the memory cells is at star connection of the transformer so between 3.4V and 4.2V.
- the control device 60 will switch the transformer device 50 from the star connection into the delta connection at the latest when the DC voltage Udc reaches the value of 950 V.
- the voltage value of 950V thus forms the above-mentioned "second" threshold value.
- the operating range of the lithium-ion storage cells is therefore a voltage interval between 2V and 4.2V he ⁇ increased.
- FIG. 2 shows by way of example the secondary side 51 of FIG
- Transformer device 50 according to Figure 1. It can be seen that the three windings Wl, W2 and W3 are connected to six switches Sl, S2, S3, S4, S5 and S6. If the three switches Sl, S2 and S3 are turned on and the switches S4, S5 and S6 are opened, then the secondary side 51 of the transformer device 50 is operated in star connection. If, in contrast, the switches S1, S2 and S3 are opened and the switches S4, S5 and S6 are closed, the secondary side 51 is operated in a triangular circuit .
- FIG. 3 shows an embodiment of a power distribution system ⁇ 10, are connected with the 40 two Umrich- ter to a power module 30 and 30 'and two transformer means 50 and 50'.
- the transformer devices 50 and 50 ' are selectively connected by a control device 60 with control signals ST and ST' in the delta connection or in the star connection, the respective switching state depending on the DC voltage Udc on the energy ⁇ module 40 depends, as related has already been explained with the figure 1.
- the two transformer means 50 and 50 ' can be connected to feed device 20 according to FIG 3 to two power supply networks Nl and N2 by the entspre ⁇ sponding switches S and S' are switched on or off.
- the feed device 20 comprises a power module 40 and three inverters 30, 30 'and 30 "as well as three switchable transformer means 50, 50' and 50".
- FIG. 5 shows an exemplary embodiment of an energy ⁇ distribution system 10 in which a feed device 20 comprising a plurality of power modules 40, 41, 42, 43, 44 and 45, which are each connected via associated inverter U at a switchable transformer means 50th
- a feed device 20 comprising a plurality of power modules 40, 41, 42, 43, 44 and 45, which are each connected via associated inverter U at a switchable transformer means 50th
- the transformer device according to FIG 5 two secondary sides 51 and 51 'on to which in each case one is connected in ⁇ dividueller feed strand 22 and 23.
- the three energy modules 40, 41 and 42 are in connection with the left in Figure 5 feed train 22; with the right in Figure 5 feed train 23, the power modules 43, 44 and 45 are in communication.
- the arrangement according to Figure 5 enables an interrupt ⁇ free switching of the transformer means 50.
- the two feed lines are namely not switched 22 and 23 simultaneously by a star connection in a triangular scarf ⁇ processing or vice versa of a delta connection into a star connection, but offset in time.
- a staggered switching of the two secondary sides 51 and 51 ' a voltage dip can be avoided.
- FIG. 6 shows, by way of example, an arrangement 10 with a feed device 20, in which the transformer device 50 is not moved from the control device 60 by a triangular in a star connection and vice versa is switched, but instead the transmission ratio Ü (for example, by connecting or disconnecting transformer windings) is switched.
- the transmission ratio Ü for example, by connecting or disconnecting transformer windings
- the term “gear ratio” is here, for example, the ratio between the voltage on the primary side and the voltage on the secondary side ver ⁇ stood.
- the transformer means 50 provides, for example, two different transmission ratios UEL and U2 to Ver ⁇ addition, which can be selected by the control device 60 selectively.
- the transformer device 50 can generate, for example, an AC voltage Uac in the amount of 650 V due to the mains voltage Un applied to the power supply network N1; at a divided period of time t i and t i and t i and t i and t i and t i and t i and t i and t i and t i and t i and t i and t i and a transmission ratio Ul.
- the transformer device 50 can generate, for example, an AC voltage Uac in the amount of 650 V due to the mains voltage Un applied to the power supply network N1; at a divided period of voltage Un applied to the power supply network N1; at a divided period of the AC voltage Uac, for example, 375V
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Inverter Devices (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/117,880 US20140097693A1 (en) | 2011-05-24 | 2011-05-24 | Electrical feeding device |
CA 2837128 CA2837128A1 (en) | 2011-05-24 | 2011-05-24 | Electrical feeding device |
CN201180070817.0A CN103518305A (zh) | 2011-05-24 | 2011-05-24 | 馈电装置 |
PCT/EP2011/058438 WO2012159663A1 (de) | 2011-05-24 | 2011-05-24 | Elektrische speiseeinrichtung |
AU2011369270A AU2011369270A1 (en) | 2011-05-24 | 2011-05-24 | Electrical feeding device |
EP11735600.6A EP2697885A1 (de) | 2011-05-24 | 2011-05-24 | Elektrische speiseeinrichtung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2011/058438 WO2012159663A1 (de) | 2011-05-24 | 2011-05-24 | Elektrische speiseeinrichtung |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012159663A1 true WO2012159663A1 (de) | 2012-11-29 |
Family
ID=44628886
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2011/058438 WO2012159663A1 (de) | 2011-05-24 | 2011-05-24 | Elektrische speiseeinrichtung |
Country Status (6)
Country | Link |
---|---|
US (1) | US20140097693A1 (de) |
EP (1) | EP2697885A1 (de) |
CN (1) | CN103518305A (de) |
AU (1) | AU2011369270A1 (de) |
CA (1) | CA2837128A1 (de) |
WO (1) | WO2012159663A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3101822B1 (fr) * | 2019-10-11 | 2021-10-22 | Nw Joules | Dispositif de recharge rapide d’un vehicule automobile |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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GB568430A (en) * | 1942-12-05 | 1945-04-04 | Standard Telephones Cables Ltd | Electric battery charging system |
US4023090A (en) * | 1976-07-06 | 1977-05-10 | Peter Kljucaricek | Zagreb electrical circuit |
US5999430A (en) * | 1998-01-20 | 1999-12-07 | Mitsubishi Denki Kabushiki Kaisha | Inverter control unit |
JP2001154744A (ja) * | 1999-11-25 | 2001-06-08 | Nec Eng Ltd | 直流電源装置及びシステム |
EP1198056A2 (de) * | 2000-09-29 | 2002-04-17 | Canon Kabushiki Kaisha | Leistungswandlervorrichtung und Energieerzeugungsvorrichtung |
US20080180976A1 (en) * | 2006-10-13 | 2008-07-31 | Pv Powered, Inc. | Selectable line voltage inverters and associated methods |
US20090109712A1 (en) * | 2007-10-24 | 2009-04-30 | Calloway Randall L | Capacitor based energy storage |
Family Cites Families (5)
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CA2657661A1 (en) * | 2006-07-17 | 2008-01-24 | Power Electronics Systems (2006) Ltd. | Variable voltage supply system |
CN101877486B (zh) * | 2009-04-30 | 2013-04-10 | 比亚迪股份有限公司 | 一种用于平衡电网负荷的电池储能电站 |
CN201478868U (zh) * | 2009-09-09 | 2010-05-19 | 陈振山 | 一种供电装置 |
GB2476278A (en) * | 2009-12-17 | 2011-06-22 | Eltek Valere As | Resonant circuit with transformer having three sets of windings |
US8890373B2 (en) * | 2011-04-04 | 2014-11-18 | Eaton Corporation | Power distribution systems using distributed current sensing |
-
2011
- 2011-05-24 EP EP11735600.6A patent/EP2697885A1/de not_active Withdrawn
- 2011-05-24 CA CA 2837128 patent/CA2837128A1/en active Pending
- 2011-05-24 AU AU2011369270A patent/AU2011369270A1/en not_active Abandoned
- 2011-05-24 US US14/117,880 patent/US20140097693A1/en not_active Abandoned
- 2011-05-24 CN CN201180070817.0A patent/CN103518305A/zh active Pending
- 2011-05-24 WO PCT/EP2011/058438 patent/WO2012159663A1/de active Application Filing
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GB568430A (en) * | 1942-12-05 | 1945-04-04 | Standard Telephones Cables Ltd | Electric battery charging system |
US4023090A (en) * | 1976-07-06 | 1977-05-10 | Peter Kljucaricek | Zagreb electrical circuit |
US5999430A (en) * | 1998-01-20 | 1999-12-07 | Mitsubishi Denki Kabushiki Kaisha | Inverter control unit |
JP2001154744A (ja) * | 1999-11-25 | 2001-06-08 | Nec Eng Ltd | 直流電源装置及びシステム |
EP1198056A2 (de) * | 2000-09-29 | 2002-04-17 | Canon Kabushiki Kaisha | Leistungswandlervorrichtung und Energieerzeugungsvorrichtung |
US20080180976A1 (en) * | 2006-10-13 | 2008-07-31 | Pv Powered, Inc. | Selectable line voltage inverters and associated methods |
US20090109712A1 (en) * | 2007-10-24 | 2009-04-30 | Calloway Randall L | Capacitor based energy storage |
Also Published As
Publication number | Publication date |
---|---|
EP2697885A1 (de) | 2014-02-19 |
CA2837128A1 (en) | 2012-11-29 |
US20140097693A1 (en) | 2014-04-10 |
AU2011369270A1 (en) | 2013-11-14 |
CN103518305A (zh) | 2014-01-15 |
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