CN102627109A - Battery control circuit for double-electrical-energy locomotive - Google Patents
Battery control circuit for double-electrical-energy locomotive Download PDFInfo
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- CN102627109A CN102627109A CN2012101166753A CN201210116675A CN102627109A CN 102627109 A CN102627109 A CN 102627109A CN 2012101166753 A CN2012101166753 A CN 2012101166753A CN 201210116675 A CN201210116675 A CN 201210116675A CN 102627109 A CN102627109 A CN 102627109A
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- 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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- 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
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Abstract
The invention provides a battery control circuit for a double-electrical-energy locomotive, comprising a dc switch, a charger, batteries and isolated conversion units. When an overhead contact system supplies power for traction, the batteries are discharged through the charger and the isolated conversion units; when the batteries supply power for traction, the locomotive is pulled by electrical energy of the batteries through the isolated conversion unit and the dc switch; and when the locomotive is in a regenerative breaking condition, the batteries are charged by feedback braking energy of a traction motor through the charger and the isolated conversion units. The battery control unit provided in the invention can realize battery charge and discharge of the double-electrical-energy locomotive and can utilize breaking energy generated by breakings of the traction motor. The dc switch is not required to be disconnected when the batteries store braking energy, thereby avoiding frequent actions of the dc switch with the applications of electrical breakings, ensuring reliability of the dc switch, and prolonging service life of the dc switch. In addition, the battery control circuit for the double-electrical-energy locomotive of the invention can realize circuit extension and circuit isolation conveniently.
Description
Technical field
The present invention relates to the locomotive field, particularly relate to a kind of rechargeable battery control circuit that is used for two electric energy locomotives.
Background technology
Two electric energy locomotives can be worked exchanging under contact system and two kinds of energy standards of traction accumulator, mainly concentrate on the car load Circuits System for the concern of the control circuit of two electric energy locomotives, and are less for the charge-discharge circuit concern of two electric energy locomotive storage batteries.
Charge-discharge circuit about Vehicular accumulator cell mainly is to the electrically-charged research of electronlmobil regenerative brake at present; But; The capacity of accumulator of electric car is less, in the two electric energy locomotive shuntings of its control circuit incompatibility railway to storage battery power requirement condition with higher.And similar be in two electric energy track engineering cars of the energy with storage battery-contact system, the power of storage battery is very little, the accumulator charging/discharging circuit structure can't satisfy the requirement of two electric energy locomotives to the high-power battery control circuit.
In addition; Under the battery traction operating mode, for two electric energy track engineering cars, when adopting traction electric machine to regenerate electric braking; The regenerating braking energy that storage battery can absorb seldom; And two electric energy locomotive storage batteries capacity are big, can absorb more energy, need the simplicity of design actv. to discharge and recharge change-over circuit and respective electric parts and mode and realize.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of rechargeable battery control circuit that is used for two electric energy locomotives, absorb problem with accumulator cell charging and discharging and the regenerating braking energy that solves two electric energy locomotives.
The present invention provides a kind of rechargeable battery control circuit that is used for two electric energy locomotives, comprising: dc switch, battery charger, storage battery and isolation converting unit, wherein,
Said isolation converting unit comprises three ports, wherein, and conducting simultaneously between first port and second port, between second port and the 3rd port; When said dc switch breaks off, conducting between first port and second port; When said dc switch is closed, during traction, conducting between second port and the 3rd port; During electric braking, conducting between first port and second port;
Contact system is electrically connected with the input end of said battery charger through alternating-current switch, traction transformer, four-quadrant rectifier; The positive output end of said battery charger is electrically connected with first port of said isolation converting unit; Second port of said isolation converting unit is connected with the positive electrical of said storage battery, and the negative output terminal of said battery charger is connected with the negative electricity of said storage battery; The 3rd port of said isolation converting unit is electrically connected with the input end of said dc switch; The mouth of said dc switch is electrically connected with traction electric machine through traction invertor;
Wherein, the mouth of said four-quadrant rectifier is electrically connected with the input end of said traction invertor, and the mouth of traction invertor is electrically connected with said traction electric machine; Said dc switch and said alternating-current switch can not be closed simultaneously.
Preferably, said rechargeable battery control circuit comprises a plurality of said storage batterys and a plurality of said isolation converting unit, wherein,
First port of each said isolation converting unit is electrically connected with the positive output end of said battery charger; Second port of each said isolation converting unit is connected with the positive electrical of a said storage battery respectively, and the negative output terminal of said battery charger is connected with the negative electricity of each said storage battery; The 3rd port of each said isolation converting unit all is electrically connected with said dc switch.
Preferably, said isolation converting unit comprises two switching valves, conducting simultaneously of said two switching valves or disconnection.
Preferably; Said isolation converting unit comprises the diode of two polyphones; Wherein, First port of the just very said isolation converting unit of first diode, the positive electrical of the negative pole of first diode and second diode is connected to second port of said isolation converting unit, and the negative pole of second diode is the 3rd port of said isolation converting unit.
Preferably, said isolation converting unit comprises the metal-oxide-semiconductor of two polyphones, wherein,
The drain electrode of first metal-oxide-semiconductor is first port of said isolation converting unit, and the source electrode of NOS pipe and the drain electrode of second metal-oxide-semiconductor electrically connect as second port of said isolation converting unit, and the source electrode of second metal-oxide-semiconductor is the 3rd port of said isolation converting unit;
When said alternating-current switch was closed, the source electrode of first metal-oxide-semiconductor turn-offed with drain electrode with drain electrode conducting, the source electrode of second metal-oxide-semiconductor; When said dc switch was closed, the source electrode of first metal-oxide-semiconductor turn-offed with drain electrode, the source electrode of second metal-oxide-semiconductor and drain electrode conducting.
Preferably, said isolation converting unit comprises the bipolar transistor of two polyphones.
Preferably, said storage battery is a battery pack.
Preferably, also comprise subordinate inverter, said subordinate inverter is electrically connected with the input end of said four-quadrant rectifier.
Preferably, said pair of electric energy locomotive is shunting locomotive.
Preferably, said rechargeable battery control circuit comprises in a plurality of four-quadrant rectifiers, a plurality of traction invertor, a plurality of traction electric machine any one or multinomial, wherein:
Said a plurality of four-quadrant rectifier also is connected between said traction transformer and the traction invertor;
Said a plurality of traction invertor and be connected in four-quadrant rectifier and traction electric machine between;
Said a plurality of traction electric machine also is connected in the traction invertor operation.
According to specific embodiment provided by the invention, the invention discloses following technique effect:
The rechargeable battery control circuit that is used for two electric energy locomotives provided by the invention; Comprise: dc switch, battery charger, storage battery and isolation converting unit; Wherein, Said isolation converting unit comprises three ports, wherein, and conducting simultaneously between first port and second port, between second port and the 3rd port; Contact system is electrically connected with the input end of said battery charger through alternating-current switch, traction transformer, four-quadrant rectifier; The positive output end of said battery charger is electrically connected with first port of said isolation converting unit; Second port of said isolation converting unit is connected with the positive electrical of said storage battery, and the negative output terminal of said battery charger is connected with the negative electricity of said storage battery; The 3rd port of said isolation converting unit is electrically connected with the input end of said dc switch; The mouth of said dc switch is electrically connected with traction electric machine through traction invertor; Wherein, the mouth of said four-quadrant rectifier is electrically connected with the input end of said traction invertor; Said dc switch and said alternating-current switch can not be closed simultaneously.When contact system power supply traction, the energy of contact system is battery charge through battery charger with isolating converting unit simultaneously; When storage battery power supply draws, the battery discharging hauling engine; In the regenerative brake operating mode of locomotive, traction electric machine is operated in the electrical generator state, and locomotive is braked, and the braking energy of feedback at this moment, need not break off dc switch through isolating converting unit to battery charge.Rechargeable battery control circuit of the present invention can be realized the accumulator cell charging and discharging of two electric energy locomotives, and the braking energy that produces can be than good utilisation traction electric machine electric braking the time.
In addition; The rechargeable battery control circuit that is used for two electric energy locomotives of the present invention; Under the damped condition of locomotive, play a part to isolate the different directions electric current owing to isolate converting unit, need not break off dc switch; Avoid dc switch along with frequent movement appears in the enforcement of electric braking, guaranteed dc switch reliability and life-saving.
The rechargeable battery control circuit that is used for two electric energy locomotives of the present invention, according to the power demand of locomotive, rechargeable battery control circuit can comprise a plurality of storage batterys and isolate converting unit, realize the expansion of storage battery.
Description of drawings
Fig. 1 is the rechargeable battery control circuit scheme drawing in two electric energy locomotives of the present invention;
The rechargeable battery control circuit scheme drawing of Fig. 2 for expanding among the present invention;
Fig. 3 is for isolating the structural representation of converting unit embodiment among the present invention.
The specific embodiment
For make above-mentioned purpose of the present invention, feature and advantage can be more obviously understandable, below in conjunction with accompanying drawing and the specific embodiment the present invention done further detailed explanation.When the embodiment of the invention was detailed, for ease of explanation, said scheme drawing was an example, and it should not limit the scope of the present invention's protection at this.
In view of this; The object of the present invention is to provide a kind of rechargeable battery control circuit that is used for two electric energy locomotives; Be used to store or discharge the electric energy that provides when contact system draws; Or be used to store the braking electric energy of locomotive traction motor feedback, absorb problem with accumulator cell charging and discharging and the regenerating braking energy that solves two electric energy locomotives.The rechargeable battery control circuit that the present invention is used for two electric energy locomotives comprises: dc switch, battery charger, storage battery and isolation converting unit, wherein,
Said isolation converting unit comprises three ports, wherein, and conducting simultaneously between first port and second port, between second port and the 3rd port; When said dc switch breaks off, conducting between first port and second port; When said dc switch is closed, during traction, conducting between second port and the 3rd port; During electric braking, conducting between first port and second port;
Contact system is electrically connected with the input end of said battery charger through alternating-current switch, traction transformer, four-quadrant rectifier; The positive output end of said battery charger is electrically connected with first port of said isolation converting unit; Second port of said isolation converting unit is connected with the positive electrical of said storage battery, and the negative output terminal of said battery charger is connected with the negative electricity of said storage battery; The 3rd port of said isolation converting unit is electrically connected with the input end of said dc switch; The mouth of said dc switch is electrically connected with traction electric machine through traction invertor;
Wherein, the mouth of said four-quadrant rectifier is electrically connected with the input end of said traction invertor, and the mouth of traction invertor is electrically connected with said traction electric machine; Said dc switch and said alternating-current switch can not be closed simultaneously.
Referring to Fig. 1; Scheme drawing for rechargeable battery control circuit of the present invention; Contact system 1 provides electric energy for traction electric machine 6 and storage battery 11; The input end of four-quadrant rectifier 4 is electrically connected with contact system 1 through traction transformer 3 and alternating-current switch 2, and mouth is electrically connected with traction electric machine 6 through traction invertor 5.Contact system 1 is electrically connected with storage battery 11 through alternating-current switch 2, traction transformer 3, four-quadrant rectifier 4, battery charger 8 and isolation converting unit 10.
Isolate converting unit 10 and comprise three ports, wherein, can not the while conducting between first port and second port, between second port and the 3rd port; Alternating-current switch 2 can not be closed simultaneously with dc switch 9; When dc switch 9 breaks off, conducting between first port and second port; During dc switch 9 closures, during traction, conducting between second port and the 3rd port; During electric braking, conducting between first port and second port.
The input end of battery charger 8 is electrically connected with the mouth of four-quadrant rectifier 4; The positive output end of battery charger 8 is electrically connected with first port of isolating converting unit 10; Second port of isolating converting unit 10 is connected with the positive electrical of storage battery 11, and the negative output terminal of battery charger 8 is connected with the negative electricity of storage battery 11; The 3rd port of isolating converting unit 10 is electrically connected with the input end of dc switch 9; The mouth of dc switch 9 is electrically connected with traction electric machine 6 through traction invertor 5; Wherein, the mouth of four-quadrant rectifier 4 is electrically connected with the input end of said traction invertor 5; Said dc switch 9 can not be closed simultaneously with said alternating-current switch 2.Rechargeable battery control circuit of the present invention can also comprise subordinate inverter 7, and subordinate inverter 7 is electrically connected with the mouth of four-quadrant rectifier 4.
Preferably, isolate in the converting unit 10 and can comprise two switching valves, conducting simultaneously of said two switching valves or disconnection.Preferably; Said switching valve can be diode, referring to Fig. 1, isolates in the converting unit 10 and comprises two diode in series; Wherein, The first port A that just very isolates converting unit of first diode, the positive electrical of the negative pole of first diode and second diode is connected to the second port B of said isolation converting unit, and the negative pole of second diode is the 3rd port C of said isolation converting unit.
The two electric energy locomotives that adopt said rechargeable battery control circuit are by 25kV contact system 1 and Vehicular accumulator cell 11 power supplies, and two kinds of standard power supplys are not worked simultaneously, and promptly alternating-current switch 2 can not be closed simultaneously with dc switch 9.When the 1 power supply traction of 25kV contact system, alternating-current switch 2 closures, the contact system energy flows to traction electric machine 6, hauling engine from traction transformer 3, four-quadrant rectifier 4, traction invertor 5.Simultaneously, be storage battery 11 chargings through isolating converting unit, be specially: the electric energy of four-quadrant rectifier 4 outputs is through battery charger 8,11 chargings of isolation converting unit 10 (through port A, B) accumulators.When storage battery 11 power supply tractions, alternating-current switch 2 breaks off, dc switch 9 closures, and storage battery 11 discharges, the electric energy of storage battery 11 is from isolating converting unit 10 (through port B, C), dc switch 9, traction invertor 5 to traction electric machine 6, hauling engine; In the regenerative brake operating mode of locomotive, traction electric machine is operated in generating state locomotive is braked, and the braking energy of feedback is charged to storage battery 11 by traction electric machine 6, traction invertor 5, battery charger 8, isolation converting unit 10 (through port A, B).
For preventing battery damage, the braking energy of rechargeable battery control circuit designing requirement feedback must be to storage battery 11 chargings behind battery charger 8.In the rechargeable battery control circuit of the present invention, if do not isolate converting unit 10, then locomotive is under the locomotive power supply operating mode in storage battery 11 discharges; When traction electric machine is implemented electric braking; Must break off dc switch 9, otherwise the accumulator cell charging and discharging branch road can not meet design requirement directly to battery charge; And if disconnection dc switch 9 then certainly will cause dc switch frequent movement to occur along with the enforcement of electric braking, have a strong impact on the reliability and the switch life of dc switch.After isolation converting unit 10 is set; When the traction electric machine of locomotive is implemented electric braking; Needn't break off dc switch 9; Because this moment, the 3rd port C current potential was higher than the second port B, suppress energy and flow to the second port B from the 3rd port C, make the braking energy of feedback flow into storage battery 11 through battery charger 8, isolation converting unit 10 (through port A, B).
Carry out the shunting locomotive of train marshalling list, disassembling operation for being specifically designed to marshalling station or marshalling yard; Need frequent braking; Therefore; Rechargeable battery control circuit of the present invention is useful on two electric energy shunting locomotives, both can satisfy the contact system traction of shunting locomotive and charge with Vehicular accumulator cell, the utilization again of the braking energy of feedback during the traction electric machine electric braking in the time of can also realizing storage battery power supply easily.
According to the power demand of locomotive, can comprise a plurality of storage batterys and isolate converting unit at rechargeable battery control circuit of the present invention, realize the expansion of rechargeable battery control circuit.The rechargeable battery control circuit of expansion referring to Fig. 2, comprises N storage battery and N isolation converting unit.Here identical with each isolation converting unit, the diode that all comprises two polyphones is an example, in other embodiments, also can adopt the isolation converting unit of other structures.The first port A of each isolation converting unit is electrically connected with the positive output end of battery charger 8 in the present embodiment; Each second port B that isolates converting unit is connected with the positive electrical of a storage battery respectively; And; Isolate converting unit for one and only be electrically connected with a storage battery, the negative output terminal of battery charger 8 is connected with the negative electricity of each said storage battery; Each the 3rd port C that isolates converting unit is electrically connected with said dc switch 9.According to locomotive effect horse power needs, can comprise 5 storage batterys and 5 isolation converting units.Adopt the rechargeable battery control circuit of structure shown in Figure 2,, promptly can satisfy the requirement that the large-capacity battery system discharges and recharges as long as enlarge the capacity of dc switch 9 and battery charger 8.
Switching valve in the isolation converting unit among the present invention can be metal-oxide-semiconductor; Referring to Fig. 3; Wherein, The drain electrode of the first metal-oxide-semiconductor M1 is the first port A1 of said isolation converting unit, and the drain electrode of the source electrode of the first metal-oxide-semiconductor M1 and the second metal-oxide-semiconductor M2 electrically connects as the second port B1 of said isolation converting unit, and the source electrode of the second metal-oxide-semiconductor M2 is the 3rd port C1 of said isolation converting unit; When said alternating-current switch 2 was closed, the grid of the first metal-oxide-semiconductor M1 connect high level signal, makes the source electrode and drain electrode conducting of the first metal-oxide-semiconductor M1, and the grid of the second metal-oxide-semiconductor M2 connects low level signal, and the source electrode of the second metal-oxide-semiconductor M2 and drain electrode are turn-offed; When said dc switch 9 was closed, the grid of the first metal-oxide-semiconductor M1 connect low level signal, and the source electrode of the first metal-oxide-semiconductor M1 and drain electrode are turn-offed, and the grid of the second metal-oxide-semiconductor M2 connects high level signal, makes the source electrode and drain electrode conducting of the second metal-oxide-semiconductor M2.
Adopting two metal-oxide-semiconductors in the above-mentioned isolation converting unit all is the NMOS pipe; Also can adopt two PMOS pipes, perhaps P metal-oxide-semiconductor of a NMOS pipe needs only the grid level signal of controlling two metal-oxide-semiconductors; Make a source electrode and the conducting that drains in two metal-oxide-semiconductors, another source electrode turn-offs with drain electrode.
Among other embodiment of the present invention, isolate the bipolar transistor that also can adopt two polyphones in the converting unit, the connection mode of its connection mode and metal-oxide-semiconductor is similar, two not conducting simultaneously or shutoffs of bipolar transistor.
Among the present invention, each storage battery can adopt battery pack, reaches the purpose that increases storage of electrical energy; Battery charger can be buck chopper DC/DC changer; Four-quadrant rectifier, traction invertor, traction electric machine can be according to the locomotive power requirements extend; Comprise in a plurality of four-quadrant rectifiers, a plurality of traction invertor, a plurality of traction electric machine any one or multinomial; With the adaptive circuit power demand; Wherein, said a plurality of four-quadrant rectifier and being connected between said traction transformer and the traction invertor; Said a plurality of traction invertor and be connected in four-quadrant rectifier and traction electric machine between; Said a plurality of traction electric machine also is connected in the traction invertor operation.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction.Any those of ordinary skill in the art; Do not breaking away under the technical scheme scope situation of the present invention; All the method for above-mentioned announcement capable of using and technology contents are made many possible changes and modification to technical scheme of the present invention, or are revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technical scheme of the present invention to any simple modification, equivalent variations and modification that above embodiment did, all still belongs to the scope of technical scheme protection of the present invention according to technical spirit of the present invention.
Claims (10)
1. a rechargeable battery control circuit that is used for two electric energy locomotives is characterized in that, comprising: dc switch, battery charger, storage battery and isolation converting unit, wherein,
Said isolation converting unit comprises three ports, wherein, and conducting simultaneously between first port and second port, between second port and the 3rd port; When said dc switch breaks off, conducting between first port and second port; When said dc switch is closed, during traction, conducting between second port and the 3rd port; During electric braking, conducting between first port and second port;
Contact system is electrically connected with the input end of said battery charger through alternating-current switch, traction transformer, four-quadrant rectifier; The positive output end of said battery charger is electrically connected with first port of said isolation converting unit; Second port of said isolation converting unit is connected with the positive electrical of said storage battery, and the negative output terminal of said battery charger is connected with the negative electricity of said storage battery; The 3rd port of said isolation converting unit is electrically connected with the input end of said dc switch; The mouth of said dc switch is electrically connected with traction electric machine through traction invertor;
Wherein, the mouth of said four-quadrant rectifier is electrically connected with the input end of said traction invertor, and the mouth of traction invertor is electrically connected with said traction electric machine; Said dc switch and said alternating-current switch can not be closed simultaneously.
2. rechargeable battery control circuit according to claim 1 is characterized in that, said rechargeable battery control circuit comprises a plurality of said storage batterys and a plurality of said isolation converting unit, wherein,
First port of each said isolation converting unit is electrically connected with the positive output end of said battery charger; Second port of each said isolation converting unit is connected with the positive electrical of a said storage battery respectively, and the negative output terminal of said battery charger is connected with the negative electricity of each said storage battery; The 3rd port of each said isolation converting unit all is electrically connected with said dc switch.
3. rechargeable battery control circuit according to claim 1 and 2 is characterized in that, said isolation converting unit comprises two switching valves, conducting simultaneously of said two switching valves or disconnection.
4. rechargeable battery control circuit according to claim 3; It is characterized in that; Said isolation converting unit comprises the diode of two polyphones, wherein, and first port of the just very said isolation converting unit of first diode; The positive electrical of the negative pole of first diode and second diode is connected to second port of said isolation converting unit, and the negative pole of second diode is the 3rd port of said isolation converting unit.
5. rechargeable battery control circuit according to claim 3 is characterized in that said isolation converting unit comprises the metal-oxide-semiconductor of two polyphones, wherein,
The drain electrode of first metal-oxide-semiconductor is first port of said isolation converting unit, and the drain electrode of the source electrode of first metal-oxide-semiconductor and second metal-oxide-semiconductor electrically connects as second port of said isolation converting unit, and the source electrode of second metal-oxide-semiconductor is the 3rd port of said isolation converting unit;
When said alternating-current switch was closed, the source electrode of first metal-oxide-semiconductor turn-offed with drain electrode with drain electrode conducting, the source electrode of second metal-oxide-semiconductor; When said dc switch was closed, the source electrode of first metal-oxide-semiconductor turn-offed with drain electrode, the source electrode of second metal-oxide-semiconductor and drain electrode conducting.
6. rechargeable battery control circuit according to claim 3 is characterized in that said isolation converting unit comprises the bipolar transistor of two polyphones.
7. rechargeable battery control circuit according to claim 1 and 2 is characterized in that, said storage battery is a battery pack.
8. rechargeable battery control circuit according to claim 1 and 2 is characterized in that, also comprises subordinate inverter, and said subordinate inverter is electrically connected with the input end of said four-quadrant rectifier.
9. rechargeable battery control circuit according to claim 1 and 2 is characterized in that, said pair of electric energy locomotive is shunting locomotive.
10. rechargeable battery control circuit according to claim 1 and 2 is characterized in that, said rechargeable battery control circuit comprises in a plurality of four-quadrant rectifiers, a plurality of traction invertor, a plurality of traction electric machine any one or multinomial, wherein:
Said a plurality of four-quadrant rectifier also is connected between said traction transformer and the traction invertor;
Said a plurality of traction invertor and be connected in four-quadrant rectifier and traction electric machine between;
Said a plurality of traction electric machine also is connected in the traction invertor operation.
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| CN103496326A (en) * | 2013-09-23 | 2014-01-08 | 南车株洲电力机车研究所有限公司 | Vehicle-mounted energy storing device and method for electric locomotive and electric vehicle set |
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| CN109624792A (en) * | 2019-01-29 | 2019-04-16 | 中车长春轨道客车股份有限公司 | A kind of EMU power supply unit |
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| CN105703473A (en) * | 2014-11-28 | 2016-06-22 | 中车大连电力牵引研发中心有限公司 | Power supply system and method for subway train variable voltage and variable frequency (VVVF) inverter |
| CN104728092A (en) * | 2015-01-30 | 2015-06-24 | 南车株洲电力机车有限公司 | Main compressor circuit and control method thereof |
| CN104627013A (en) * | 2015-02-05 | 2015-05-20 | 重庆恒通客车有限公司 | Vehicle-mounted energy-storing charging control device for electric vehicle |
| CN104859668B (en) * | 2015-02-13 | 2017-06-16 | 株洲南车时代电气股份有限公司 | Energy storage type trailer system |
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| CN107299567A (en) * | 2017-06-27 | 2017-10-27 | 北京拓博尔轨道维护技术有限公司 | A kind of power contacts net and the double dynamical rail milling car of batteries |
| CN107299567B (en) * | 2017-06-27 | 2023-06-20 | 北京拓博尔轨道维护技术有限公司 | Dual-power steel rail milling and grinding vehicle for electric contact network and storage battery pack |
| CN109239510A (en) * | 2017-07-10 | 2019-01-18 | 比亚迪股份有限公司 | Train, power supply system of train and its detection of electrical leakage positioning device, method |
| CN109239510B (en) * | 2017-07-10 | 2020-07-10 | 比亚迪股份有限公司 | Train, train power supply system and electric leakage detection positioning device and method thereof |
| CN109624792A (en) * | 2019-01-29 | 2019-04-16 | 中车长春轨道客车股份有限公司 | A kind of EMU power supply unit |
| CN112238876A (en) * | 2019-07-16 | 2021-01-19 | 株洲中车时代电气股份有限公司 | Emergency traction power supply control device |
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