CN205202756U - Locomotive traction system - Google Patents
Locomotive traction system Download PDFInfo
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- CN205202756U CN205202756U CN201520905423.8U CN201520905423U CN205202756U CN 205202756 U CN205202756 U CN 205202756U CN 201520905423 U CN201520905423 U CN 201520905423U CN 205202756 U CN205202756 U CN 205202756U
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Abstract
The utility model provides a locomotive traction system. The utility model discloses a locomotive traction system, include: internal -combustion engine, synchronous main generator, alternating current -direct current conversion module, traction motor and supplementary load, synchronous main generator's input is connected with the internal -combustion engine, and synchronous main generator is used for generate current when the internal -combustion engine does work, alternating current -direct current conversion module's input and dynamo output end electricity are connected, and alternating current -direct current conversion module's first output and traction motor electricity are connected, and alternating current -direct current conversion module's second output and supplementary load electricity are connected, and traction motor is used for the traction motion. The utility model provides a locomotive traction system can be traction system and supplementary load provides electric power simultaneously by a synchronous main generator, and locomotive traction system's circuit is simpler to locomotive inner space and maintenance cost have been saved.
Description
Technical field
The utility model relates to locomotive field, particularly relates to a kind of locomotive traction system.
Background technology
Diesel locomotive, using combustion engine as prime power, is rotated in orbit by actuator drives locomotive driving wheel.The mode of electric drive of diesel locomotive mainly can be divided into three kinds: direct current power driving system, ac-dc power transmission system and friendship-straight-alternating electromotive force driving system.Wherein, very generally, development rapidly for AC-to-DC electric power vehicle and friendship-straight-alternating electromotive force transmission locomotive (AC drive locomotive) application at home and abroad.
Fig. 1 is the schematic diagram of existing AC-to-DC power transmission system.As shown in Figure 1, in the main transmission of ac-dc power transmission system, drive three-phase alternating current synchronous main alternator 201 to rotate generation three plase alternating current by diesel engine 101, then export direct current (DC) to DC traction motor 401 by rectification module 301, drive motor sport.Fig. 2 is the schematic diagram of existing AC-DC-AC stream power transmission system.As shown in Figure 2, in the main transmission of friendship-straight-AC electrical driving system, three-phase alternating current synchronous main alternator 202 is driven to rotate by diesel engine 102, produce three plase alternating current and input to rectification module 302, rectification is direct current (DC), direct current (DC) is the variable alternating current of electric voltage frequency by inverter 502 inversion again, and exports three-phase AC traction motor 402 to, drives motor sport.Fig. 3 is the structural representation of the traction system of existing diesel-electric locomotive.As shown in Figure 3, the traction system of existing diesel-electric locomotive comprises main transmission and to unify accessory drive system, the mouth of diesel engine 103 is connected with synchronous main alternator 203 and auxiliary generator 503 respectively, and synchronous main alternator 203 and auxiliary generator 503 are unified respectively as main transmission the energy source of accessory drive system.Wherein, the synchronous main alternator 203 of main transmission exports three plase alternating current to traction convertor 303, thus drives traction electric machine 403 to rotate, to drive and to control locomotive operation; The mouth of the auxiliary generator 503 of accessory drive system is connected with battery charger 603 and assistant load 703 respectively, and effect is to produce ancillary system electric energy, provides electric energy and provide DC control supply for locomotive control equipment for assistant load 703.
But, in the traction system of existing AC-to-DC electric power vehicle and AC-DC-AC stream electric power vehicle, because auxiliary generator and synchronous main alternator are all arranged in locomotive, not only occupy larger space in car, also make the circuit of locomotive traction system connect and lay the complexity become, be unfavorable for inspection and maintenance.
Utility model content
The utility model provides a kind of locomotive traction system, and there are two electrical generators to overcome in existing locomotive, locomotive circuit is complicated, takies the problem that locomotive space is larger.
The utility model provides a kind of locomotive traction system, comprising: combustion engine, synchronous main alternator, AC-DC conversion module, traction motor and assistant load;
The input end of synchronous main alternator is connected with combustion engine, and synchronous main alternator is used for the generation current when combustion engine does work; The input end of AC-DC conversion module is electrically connected with generator output end, and the first mouth of AC-DC conversion module is electrically connected with traction motor, and the second mouth of AC-DC conversion module is electrically connected with assistant load, and traction motor is used for hauling engine motion.
Further, above-mentioned AC-DC conversion module, comprises rectification module, and the input end of rectification module is electrically connected with synchronous main alternator, first mouth of rectification module is the first mouth of AC-DC conversion module, and the second mouth of rectification module is the second mouth of AC-DC conversion module.
AC-DC conversion module comprises rectification module, traction current transformation module and auxiliary converter module, rectification module input end is electrically connected with synchronous main alternator, the mouth of rectification module is electrically connected with the input end of traction current transformation module and the input end of auxiliary converter module respectively, the mouth of traction current transformation module is the first mouth of AC-DC conversion module, and the mouth of auxiliary converter module is the second mouth of AC-DC conversion module.
Locomotive traction system described above, the quantity of AC-DC conversion module is multiple, locomotive traction system also comprises: multiple input contactless switch, the corresponding AC-DC conversion module of each input contactless switch, and each input contactless switch is for disconnecting the electrical connection between the AC-DC conversion module corresponding with it and synchronous main alternator.
Locomotive traction system described above, AC-DC conversion module comprises the first AC-DC conversion module and the second AC-DC conversion module, first AC-DC conversion module comprises the first auxiliary converter module and the second auxiliary converter module, second AC-DC conversion module comprises the 3rd auxiliary converter module and the 4th auxiliary converter module, first auxiliary converter module and the 3rd auxiliary converter module redundancy backup each other, second auxiliary converter module and the 4th auxiliary converter module redundancy backup each other, wherein, first auxiliary converter module and the 3rd auxiliary converter module are variable-frequency variable-voltage VVVF auxiliary converter module, second auxiliary converter module and the 4th auxiliary converter module are the fixed module of level pressure CVCF auxiliary converter frequently.
Preferably, the mouth of the first auxiliary converter module, the second auxiliary converter module, the 3rd auxiliary converter module and the 4th auxiliary converter module is provided with conversion contactor, when the auxiliary converter module that conversion contactor is corresponding breaks down, conversion contactor disconnects the connection between auxiliary converter module and assistant load of breaking down.
Locomotive traction system described above, also comprises: filter, and the input end of filter is connected with the second mouth of AC-DC conversion module, and the mouth of filter is connected with assistant load, and the signal that filter is used for AC-DC conversion module exports carries out filtering.
Locomotive traction system described above, transformation charging unit is also provided with between second mouth of AC-DC conversion module and assistant load, the voltage that transformation charging unit is used for AC-DC conversion module second mouth exports carries out transformation, also for the battery charge for locomotive.
Above-mentioned locomotive traction system, also comprises: cooling mechanism, and cooling mechanism is used for carrying out cooling heat dissipation for locomotive traction system.
Preferably, assistant load comprises cooling fan, ventilating set, air compressor, air-conditioner set and ventilation with body machine.
Locomotive traction system of the present utility model, comprising: combustion engine, synchronous main alternator, AC-DC conversion module, traction motor and assistant load; The input end of synchronous main alternator is connected with combustion engine, and synchronous main alternator is used for the generation current when combustion engine does work; The input end of AC-DC conversion module is electrically connected with generator output end, and the first mouth of AC-DC conversion module is electrically connected with traction motor, and the second mouth of AC-DC conversion module is electrically connected with assistant load, and traction motor is used for hauling engine motion.By the mouth of synchronous main alternator is electrically connected with the straight conversion module of friendship, and the mouth of the straight conversion module of friendship is connected with traction motor and assistant load respectively, by means of only a synchronous main alternator in locomotive traction system, just can simultaneously for traction electric machine and assistant load provide electric power, and do not need additionally to arrange auxiliary generator, enormously simplify the circuit of locomotive traction system, reduce locomotive cost and inside takes up room, also improve the inspection and maintenance efficiency to locomotive circuit.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of existing AC-to-DC power transmission system;
Fig. 2 is the schematic diagram of existing AC-DC-AC stream power transmission system;
Fig. 3 is the structural representation of the traction system of existing diesel-electric locomotive;
Fig. 4 is the locomotive traction system schematic diagram of the utility model embodiment one;
Fig. 5 is the locomotive traction system schematic diagram of the utility model embodiment two.
Detailed description of the invention
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment one
Fig. 4 is the locomotive traction system schematic diagram of the utility model embodiment one, and as shown in Figure 4, the locomotive traction system that the present embodiment provides, comprising:
Combustion engine 1, synchronous main alternator 2, AC-DC conversion module 3, traction motor 4 and assistant load 5;
The input end of synchronous main alternator 2 is connected with combustion engine 1, and synchronous main alternator 2 is for the generation current when combustion engine 1 does work; The input end of AC-DC conversion module 3 is electrically connected with electrical generator 2 mouth, first mouth of AC-DC conversion module 3 is electrically connected with traction motor 4, second mouth of AC-DC conversion module 3 is electrically connected with assistant load 5, and traction motor 4 moves for hauling engine.
Concrete, synchronous main alternator 2 can adopt low (in) fast synchronous electric generator, combustion engine 1 can be diesel engine or spark ignition engine, as long as can by the interior Thermal Motor that can be converted into power, the type of the utility model not combustion motor specifically limits, such as, can be that diesel engine acting drives synchronous main alternator 2 to rotate to produce three plase alternating current.
Concrete, AC-DC conversion module 3 exports traction motor 4 and assistant load 5 to after carrying out AC-to-DC or AC-DC-AC stream translation for the three plase alternating current inputted by synchronous main alternator 2.
Concrete, the assistant load 5 of locomotive provides electric energy for accessory equipment and provides DC control supply for locomotive control equipment, and vehicle assistant load 5 mainly comprises: combustion motor carries out the equipment such as the cooling fan of lowering the temperature, ventilating set traction motor being provided to wind regime, air compressor, air-conditioner set and ventilation with body machine for locomotive brake.
Further, the present embodiment only exports the alternating current of generation to AC-DC conversion module 3 by a synchronous main alternator 2, wherein, the first mouth of AC-DC conversion module 3 and the second mouth are electrically connected with traction motor 4 and assistant load 5 respectively, realize locomotive traction.Compared with prior art, owing to eliminating auxiliary generator, achieve and the assistant load in existing accessory drive system is directly electrically connected with main transmission, enormously simplify the circuit of locomotive traction system, improve the overhaul efficiency of locomotive circuit.
The present embodiment drives synchronous main alternator to produce three plase alternating current by being done work by combustion engine, and input to AC-DC conversion module and change, electric current is exported to traction motor and assistant load respectively again by two mouths of AC-DC conversion module, wherein traction motor is for driving motor sport, assistant load provides electric energy for accessory equipment and provides DC control supply for locomotive control equipment, solve in prior art, need to arrange synchronous main alternator and auxiliary generator in locomotive simultaneously and provide electric power to be respectively main transmission accessory drive system of unifying, cause the problem of intra-locomotive circuit complexity, achieve and only just can be respectively by synchronous main alternator the object that locomotive traction motor and assistant load provide electric power, thus do not need to arrange auxiliary generator, reduce locomotive cost and inside takes up room, simplify the circuit of locomotive traction system, improve the inspection and maintenance efficiency of locomotive circuit, decrease the fault rate of circuit.
Embodiment two
Fig. 5 is the locomotive traction system schematic diagram of the utility model embodiment two, the locomotive traction system that the present embodiment provides, see Fig. 5, AC-DC conversion module comprises rectification module 31, the input end of rectification module 31 is electrically connected with synchronous main alternator 2, first mouth of rectification module 31 is the first mouth of AC-DC conversion module, and the second mouth of rectification module 31 is the second mouth of AC-DC conversion module.
Rectification module 31 is the uncontrollable rectification of three-phase bridge, and the three-phase alternating current electric rectification that synchronous main alternator 2 can be exported is direct current (DC).
Further, AC-DC conversion module can also comprise: rectification module 31, traction current transformation module 32 and auxiliary converter module 33, rectification module 31 input end is electrically connected with synchronous main alternator 2, the mouth of rectification module 31 is electrically connected with the input end of traction current transformation module 32 and the input end of auxiliary converter module 33 respectively, the mouth of traction current transformation module 32 is the first mouth of AC-DC conversion module, and the mouth of auxiliary converter module 33 is the second mouth of AC-DC conversion module.
Rectification module 31 can export the direct current (DC) of output to traction current transformation module 32 and auxiliary converter module 33, and each rectification module can connect 3 traction current transformation modules 32 and 2 auxiliary converter modules 33.
The DC inverter that rectification module 31 can input by traction current transformation module 32 is alternating current, and exports as corresponding variable-frequency variable-voltage power supply according to the requirement of control command, carries out continuous control to locomotive traction, braking.Traction current transformation can adopt axle prosecutor formula, controls 1 traction motor 4 by 1 traction current transformation module 32.
The DC inverter that rectification module 31 can input by auxiliary converter module 33 is alternating current, is responsible for ancillary system and provides inverter.
Further, the quantity of AC-DC conversion module is multiple, locomotive traction system also comprises: multiple input contactless switch 6, the corresponding AC-DC conversion module of each input contactless switch 6, and each input contactless switch 6 is for disconnecting the electrical connection between the AC-DC conversion module corresponding with it and synchronous main alternator 2.When inputting contactless switch 6 and detecting that the major failure such as overcurrent, short circuit appears in any one traction current transformation module 32 that bogie truck is corresponding and auxiliary converter module 33, can charged this bogie truck of safety excision, ensure that fault does not expand.
Preferably, AC-DC conversion module also comprises the first AC-DC conversion module and the second AC-DC conversion module, first AC-DC conversion module comprises the first auxiliary converter module 331 and the second auxiliary converter module 332, second AC-DC conversion module comprises the 3rd auxiliary converter module 333 and the 4th auxiliary converter module 334, first auxiliary converter module 331 and the 3rd auxiliary converter module 333 redundancy backup each other, second auxiliary converter module 332 and the 4th auxiliary converter module 334 redundancy backup each other, wherein, first auxiliary converter module 331 and the 3rd auxiliary converter module 333 are variable-frequency variable-voltage (VariableVoltageandVariableFrequency, be called for short VVVF) auxiliary converter module, second auxiliary converter module 332 and the 4th auxiliary converter module 334 are fixed level pressure (ConstantVoltageandConstantFrequency frequently, be called for short CVCF) auxiliary converter module.
Concrete, two groups of VVVF auxiliary converter modules and two groups of CVCF auxiliary converter modules redundancy each other, when wherein any one group of fault, by automatically switching, VVVF or CVCF corresponding to another group provides power supply for all assistant loads 5, each group auxiliary converter module 33 has enough large capacity to ensure the overload capacity of ancillary system, solve in prior art, auxiliary converter module only has one group of VVVF and CVCF, when one of them VVVF or CVCF fault, can only use remaining CVCF or VVVF is separately problem that assistant load is powered.
Further, the mouth of the first auxiliary converter module 331, second auxiliary converter module 332, the 3rd auxiliary converter module 333 and the 4th auxiliary converter module 334 is provided with conversion contactor 10, when the auxiliary converter module 33 of conversion contactor 10 correspondence breaks down, conversion contactor 10 disconnects the connection between auxiliary converter module 33 and assistant load 5 of breaking down.
Concrete, conversion contactor 10 realizes redundancy backup for assisting AuCT 33, it can be air type conversion contactor 10, when any one the auxiliary converter module 33 in VVVF or CVCF breaks down, contactless switch corresponding to it disconnects automatically, redundant conversion contactless switch closes, and all loads that auxiliary converter module 33 working properly drives VVVF or CVCF to be correspondence provide power supply.
Further, the locomotive traction system that the present embodiment provides also comprises: filter 7, the input end of filter 7 is connected with the second mouth of AC-DC conversion module, and the mouth of filter 7 is connected with assistant load 5, and filter 7 carries out filtering for the signal exported AC-DC conversion module.Filter 7 can carry out filtering to the three-phase SVPWM ripple that auxiliary converter module 33 exports, and exports satisfactory sinusoidal waveform and supplies each assistant load 5.
Concrete, be also provided with transformation charging unit 8 between the second mouth of AC-DC conversion module and assistant load 5, transformation charging unit 8 carries out transformation for the voltage exported by AC-DC conversion module 3 second end, and is the battery charge on locomotive.Transformation charging unit 8 adopts phase control rectifier control technology, when locomotive operation, transformation charging unit 8 also can be the 74VDC power supply that locomotive control circuit, lighting circuit etc. provide stable, simultaneously also for the battery charge for locomotive, be responsible for storage battery modified constant-voltage charge, optimize charging valtage according to the peripheral temperature in cell pressure and battery box, restriction charging current is in case stop loss bad storage battery.The LC filter 7 of mouth can make charging current ripple minimize.In addition, when locomotive does not run, the storage battery after charging can be locomotive control circuit, lighting circuit etc. and provides power supply.Further, the locomotive traction system that the present embodiment provides also comprises: cooling mechanism 9, and cooling mechanism 9 is for carrying out cooling heat dissipation for locomotive traction system, and cooling mechanism 9 can be arranged in same cabinet with filter 7.
The locomotive traction system that the present embodiment two provides, by arranging rectification module in AC-DC conversion module, traction current transformation module and auxiliary converter module, wherein, the mouth of rectification module is electrically connected with the input end of traction current transformation module and the input end of auxiliary converter module respectively, the three-phase alternating current electric rectification that main generator inputs by rectification module is direct current (DC), input to traction current transformation module and auxiliary converter module more respectively, export after carrying out inversion as alternating current, and four groups of auxiliary converter modules are set in the straight modular converter of friendship, two groups export as variable-frequency variable-voltage (VVVF), other two groups export as fixed level pressure (CVCF) frequently, when any one AuCT in VVVF or CVCF breaks down, conversion contactor corresponding to it disconnects, redundant conversion contactless switch closes, VVVF or CVCF corresponding to another group provides power supply for all assistant loads, achieve redundancy backup, improve the reliability of locomotive assisting system.Simultaneously, the locomotive traction system that the present embodiment provides by a synchronous main alternator simultaneously for traction motor and assistant load provide electric power, in AC-DC conversion module, corresponding module is set, AC and DC power transmission locomotive can not be only applicable to, also be applicable to AC-DC-AC stream electric power vehicle, applicability is good.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (10)
1. a locomotive traction system, is characterized in that, comprising: combustion engine, synchronous main alternator, AC-DC conversion module, traction motor and assistant load;
The input end of described synchronous main alternator is connected with described combustion engine, and described synchronous main alternator is used for the generation current when described combustion engine acting; The input end of described AC-DC conversion module is electrically connected with described generator output end, first mouth of described AC-DC conversion module is electrically connected with described traction motor, second mouth of described AC-DC conversion module is electrically connected with described assistant load, and described traction motor is used for hauling engine motion.
2. locomotive traction system according to claim 1, it is characterized in that, described AC-DC conversion module comprises rectification module, the input end of described rectification module is electrically connected with described synchronous main alternator, first mouth of described rectification module is the first mouth of described AC-DC conversion module, and the second mouth of described rectification module is the second mouth of described AC-DC conversion module.
3. locomotive traction system according to claim 1, it is characterized in that, described AC-DC conversion module comprises rectification module, traction current transformation module and auxiliary converter module, described rectification module input end is electrically connected with described synchronous main alternator, the mouth of described rectification module is electrically connected with the input end of described traction current transformation module and the input end of described auxiliary converter module respectively, the mouth of described traction current transformation module is the first mouth of described AC-DC conversion module, the mouth of described auxiliary converter module is the second mouth of described AC-DC conversion module.
4. locomotive traction system according to claim 3, it is characterized in that, the quantity of described AC-DC conversion module is multiple, described locomotive traction system also comprises: multiple input contactless switch, the corresponding described AC-DC conversion module of each input contactless switch, and each described input contactless switch is for disconnecting the electrical connection between the AC-DC conversion module corresponding with it and described synchronous main alternator.
5. locomotive traction system according to claim 4, it is characterized in that, described AC-DC conversion module comprises the first AC-DC conversion module and the second AC-DC conversion module, described first AC-DC conversion module comprises the first auxiliary converter module and the second auxiliary converter module, described second AC-DC conversion module comprises the 3rd auxiliary converter module and the 4th auxiliary converter module, described first auxiliary converter module and described 3rd auxiliary converter module redundancy backup each other, described second auxiliary converter module and described 4th auxiliary converter module redundancy backup each other, wherein, described first auxiliary converter module and described 3rd auxiliary converter module are variable-frequency variable-voltage VVVF auxiliary converter module, described second auxiliary converter module and described 4th auxiliary converter module are the fixed module of level pressure CVCF auxiliary converter frequently.
6. locomotive traction system according to claim 5, it is characterized in that, the mouth of described first auxiliary converter module, described second auxiliary converter module, described 3rd auxiliary converter module and described 4th auxiliary converter module is provided with conversion contactor, when the auxiliary converter module that described conversion contactor is corresponding breaks down, described conversion contactor disconnects the connection between auxiliary converter module and assistant load of breaking down.
7. the locomotive traction system according to any one of claim 1-6, it is characterized in that, also comprise: filter, the input end of described filter is connected with the second mouth of described AC-DC conversion module, the mouth of described filter is connected with described assistant load, and the signal that described filter is used for described AC-DC conversion module exports carries out filtering.
8. the locomotive traction system according to any one of claim 1-6, it is characterized in that, also be provided with transformation charging unit between second mouth of described AC-DC conversion module and described assistant load, the voltage that described transformation charging unit is used for described AC-DC conversion module second mouth exports carries out transformation;
Described transformation charging unit is also for the battery charge for described locomotive.
9. the locomotive traction system according to any one of claim 1-6, is characterized in that, also comprises: cooling mechanism, and described cooling mechanism is used for carrying out cooling heat dissipation for described locomotive traction system.
10. the locomotive traction system according to any one of claim 1-6, is characterized in that, described assistant load comprises cooling fan, ventilating set, air compressor, air-conditioner set and ventilation with body machine.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520905423.8U CN205202756U (en) | 2015-11-11 | 2015-11-11 | Locomotive traction system |
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| CN201520905423.8U CN205202756U (en) | 2015-11-11 | 2015-11-11 | Locomotive traction system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106671796A (en) * | 2015-11-11 | 2017-05-17 | 中车大连电力牵引研发中心有限公司 | Locomotive traction system |
| CN108081971A (en) * | 2018-01-31 | 2018-05-29 | 武汉征原电气有限公司 | A kind of diesel locomotive power supply system of train |
| CN110492756A (en) * | 2019-09-03 | 2019-11-22 | 中车永济电机有限公司 | A kind of diesel locomotive traction-AuCT and converter cabinet |
| CN115355096A (en) * | 2022-08-03 | 2022-11-18 | 中车大连机车车辆有限公司 | Rapid starting synchronous control method for engine |
-
2015
- 2015-11-11 CN CN201520905423.8U patent/CN205202756U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106671796A (en) * | 2015-11-11 | 2017-05-17 | 中车大连电力牵引研发中心有限公司 | Locomotive traction system |
| CN108081971A (en) * | 2018-01-31 | 2018-05-29 | 武汉征原电气有限公司 | A kind of diesel locomotive power supply system of train |
| CN110492756A (en) * | 2019-09-03 | 2019-11-22 | 中车永济电机有限公司 | A kind of diesel locomotive traction-AuCT and converter cabinet |
| WO2021042557A1 (en) * | 2019-09-03 | 2021-03-11 | 中车永济电机有限公司 | Traction-auxiliary converter and converter cabinet for internal combustion locomotive |
| CN115355096A (en) * | 2022-08-03 | 2022-11-18 | 中车大连机车车辆有限公司 | Rapid starting synchronous control method for engine |
| CN115355096B (en) * | 2022-08-03 | 2023-11-28 | 中车大连机车车辆有限公司 | Quick start synchronous control method for engine |
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