CN104648169A - Power supplying device for electric locomotive and train - Google Patents
Power supplying device for electric locomotive and train Download PDFInfo
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- CN104648169A CN104648169A CN201510039960.3A CN201510039960A CN104648169A CN 104648169 A CN104648169 A CN 104648169A CN 201510039960 A CN201510039960 A CN 201510039960A CN 104648169 A CN104648169 A CN 104648169A
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- power supply
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Abstract
The invention discloses a power supplying device for an electric locomotive and train. The power supplying device comprises a main driving system, an auxiliary converter system and a train power supplying system, wherein the main driving system is used for providing kinetic energy for traction of the locomotive and converting the kinetic energy of the locomotive into electric brake energy; the auxiliary converter system is integrated in a traction converter of the main driving system and is used for providing a power supply for auxiliary equipment of the locomotive; the train power supplying system is integrated in the traction converter of the main driving system and is used for providing the power supply for the traction of the train. The power supplying device disclosed by the invention has the advantages of simpler integral structure, lower cost, good power supply effect and the like.
Description
Technical field
The present invention is mainly concerned with electric locomotive field, refers in particular to a kind of power equipment supply being applicable to electric locomotive.
Background technology
At present, electric locomotive is divided into two kinds substantially:
Be a vehicle for band train inverter, need the direct current on locomotive to arrange the power supply providing DC600V for cabinet, after vehicle inverter, supply vehicle equipment works; Namely, train power supply cabinet on locomotive coordinates with the inverter on towing vehicle and jointly completes, train power supply cabinet supplies winding power taking from traction transformer of locomotive row, towing vehicle is supplied after being rectified into DC 600V, be reverse into after AC 380V through vehicle self-carrying inverter, for vehicle load (air-conditioning, illumination etc.), locomotive is namely adopted to concentrate rectification, the train power supply scheme of passenger vehicle dispersion inversion.
Another kind is the vehicle not with train inverter, and be the power supply needing special rail vehicle generator car to provide AC380V, supply vehicle uses.That is, directly increase generator car and export AC380V power supply supply vehicle load use by diesel power generation.
For first kind of way mode of operation, use more at present.This mode not only needs locomotive that train power supply cabinet is housed, and needs vehicle to install inverter simultaneously and just can complete the task of powering to vehicle.The second way, although save vehicle inverter, needs increase by joint to be specifically designed to the generator car of generating.As from the foregoing, above two kinds of modes uneconomical and environmental protection.
In sum, existing train power supply scheme has the following disadvantages:
(1) need configure train power supply cabinet and vehicle inverter two equipment or generator car, cost is higher, and train power supply cabinet installing space and vehicle inverter later maintenance have difficulties.
(2) conventional train powering shelf is from traction transformer row for winding power taking, and when the undue phase time of locomotive, row, for non-transformer input on winding, cannot be powered for towing vehicle.
Summary of the invention
The technical problem to be solved in the present invention is just: the technical matters existed for prior art, the invention provides the electric locomotive train power supply device that a kind of complete machine structure is more simple, cost is cheaper, power effective.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of electric locomotive train power supply device, it comprises:
Main transmission, is used for providing traction kinetic energy for locomotive and is electric braking energy by the kinetic transformation of locomotive;
Auxiliary converter system, is integrated in the traction convertor of main transmission, is used for as locomotive accessory equipment provides power supply;
Power supply system of train, is integrated in the traction convertor of main transmission, is used for as tractor-trailer train provides power supply.
As a further improvement on the present invention: described main transmission comprises traction transformer, traction convertor and traction electric machine, the former limit of described traction transformer is connected with contact system and accepts power supply, and the secondary side winding of described traction transformer is powered to traction convertor; Described traction convertor is used for powering to traction electric machine.
As a further improvement on the present invention: described traction convertor comprises four-quadrant PWM converter and inverter to form power supply unit, and described four quadrant convertor carries out handing over-directly converting, for intermediate DC circuit provides electric energy under traction working condition.
As a further improvement on the present invention: when regenerative brake operating mode, described four quadrant convertor carries out directly-alternation by intermediate DC circuit and changes, by electric energy feedback to electrical network.
As a further improvement on the present invention: described auxiliary converter system, from the intermediate dc loop power taking of main transmission, is that locomotive accessory equipment is powered through isolating transformer after inversion.
As a further improvement on the present invention: described auxiliary converter system comprises two subordinate inverter for each configuration of locomotives, wherein a subordinate inverter works to determine frequency mode, is the load supplying of constant frequency and constant voltage work; Another subordinate inverter with conversion system work, for there being the load of variable-frequency variable-voltage requirement.
As a further improvement on the present invention: two described subordinate inverter possess redundancy feature, when after a subordinate inverter fault, be car load auxiliary circuit load supplying by another subordinate inverter.
As a further improvement on the present invention: described power supply system of train comprises for two row of every platform configuration of locomotives are for inverter, two described row respectively by two groups of intermediate dc loop power supplies of main transmission, are that tractor-trailer train is powered through isolating transformer for inverters after inversion.
As a further improvement on the present invention: two described row possess redundancy feature for inverter, when row are for after fault of converter, inverter is supplied to be all tractor-trailer train load supplyings with another row.
As a further improvement on the present invention: the row of described power supply system of train directly share the water-cooling system of traction convertor for inverter.
Compared with prior art, the invention has the advantages that:
1, electric locomotive train power supply device of the present invention, by originally independently two cover systems be integrated together, not only function comparatively before independently two cover systems get a promotion, and greatly reduce design cost.
2, in electric locomotive train power supply device of the present invention, row supply inverter from the loop power taking of traction convertor intermediate dc, AC 380V directly can be exported for towing vehicle through isolating transformer after inversion, without the need to generator car and the vehicle inverter of configure dedicated, greatly design cost can be reduced.
3, in electric locomotive train power supply device of the present invention, row are integrated in traction system for inversion system, and can share the water cooling system of traction system, after adopting more high-grade IGBT deflector element, power supply capacity can promote greatly.
4, electric locomotive train power supply device of the present invention, for high-capacity power supply system of train, can carry out capacity enlargement by the mode of parallel operation.
5, electric locomotive train power supply device of the present invention, row at undue phase time, can be charged to intermediate dc loop by the braking of traction electric machine after hanging over intermediate dc loop for inversion module, realize uninterrupted train power supply function during phase-splitting is crossed in electric locomotive, improve the traveling comfort of train.
Accompanying drawing explanation
Fig. 1 is principle schematic of the present invention.
Fig. 2 is the structural principle schematic diagram of the present invention in embody rule example; The I region that in figure, thick lines divide is main transmission.
Fig. 3 is the structural principle schematic diagram of the present invention in embody rule example; The II region that in figure, thick lines divide is auxiliary converter system.
Fig. 4 is the structural principle schematic diagram of the present invention in embody rule example; The III region that in figure, thick lines divide is power supply system of train.
Detailed description of the invention
Below with reference to Figure of description and specific embodiment, the present invention is described in further details.
As shown in Figure 1, electric locomotive train power supply device of the present invention, comprise main transmission, auxiliary converter system and power supply system of train, wherein main transmission provides traction kinetic energy for locomotive and is electric braking energy by the kinetic transformation of locomotive, realizes traction and the braking function of locomotive.Auxiliary converter system is integrated in the traction convertor of main transmission, is responsible for locomotive accessory equipment and provides power supply.Power supply system of train is integrated in the traction convertor of main transmission, is responsible for tractor-trailer train and provides power supply, comprise on-board air conditioner, light equipment etc.As from the foregoing, the present invention by originally independently two cover systems be integrated together, not only function comparatively before independently two cover systems get a promotion, and greatly reduce design cost.
As the I region in Fig. 2, it is the main transmission in the present embodiment.This main transmission comprises traction transformer, traction convertor and traction electric machine.The former limit of traction transformer accepts AC 25 kV/50 Hz power supply from contact system, and secondary side winding is powered to traction convertor; In this example, traction convertor comprises four-quadrant PWM converter and inverter to form power supply unit, is used for powering to traction electric machine.Four quadrant convertor carries out handing over-directly converting, for intermediate DC circuit provides electric energy under traction working condition; When regenerative brake operating mode, directly-alternation can also be carried out further by intermediate DC circuit and change, by electric energy feedback to electrical network.
As the II region in Fig. 3, it is the auxiliary converter system in the present embodiment.This auxiliary converter system is integrated in the traction convertor of main transmission, from middle DC loop power taking, is that locomotive accessory equipment is powered through isolating transformer after inversion.
In embody rule example, this auxiliary converter system comprises two subordinate inverter for each configuration of locomotives.Under normal operation, wherein a subordinate inverter works to determine frequency mode, is the load supplying of constant frequency and constant voltage work; Another subordinate inverter with conversion system work, for there being the load of variable-frequency variable-voltage requirement, as traction blower motor, cooling tower are powered.Preferably, above-mentioned two subordinate inverter possess redundancy feature, when after a subordinate inverter fault, can be only just car load auxiliary circuit load supplying by a subordinate inverter.
As the III region in Fig. 4, it is the power supply system of train in the present embodiment; This power supply system of train is integrated in the traction convertor of main transmission, power supply system of train comprises for two row of every platform configuration of locomotives are for inverter, two row respectively by two groups of intermediate dc loop power supplies of main convertor, are that tractor-trailer train is powered through isolating transformer for inverters after inversion.Preferably, two row possess redundancy feature for inverter, and when row are for after fault of converter, only arranging for inverter with one can be just all tractor-trailer train load supplyings.
In the embodiment that other are optimized, the row in the present invention directly can share traction convertor water-cooling system for inverter, can meet heat radiation needs under the prerequisite not increasing structure complexity.
In the embodiment that other are optimized, electric locomotive train power supply device of the present invention can carry out power supply capacity dilatation by the mode of parallel operation, and realizes electric power system not power-off during crossing phase-splitting.
Below be only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, all technical schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, should be considered as protection scope of the present invention.
Claims (10)
1. an electric locomotive train power supply device, is characterized in that, comprising:
Main transmission, is used for providing traction kinetic energy for locomotive and is electric braking energy by the kinetic transformation of locomotive;
Auxiliary converter system, is integrated in the traction convertor of main transmission, is used for as locomotive accessory equipment provides power supply;
Power supply system of train, is integrated in the traction convertor of main transmission, is used for as tractor-trailer train provides power supply.
2. electric locomotive train power supply device according to claim 1, it is characterized in that, described main transmission comprises traction transformer, traction convertor and traction electric machine, the former limit of described traction transformer is connected with contact system and accepts power supply, and the secondary side winding of described traction transformer is powered to traction convertor; Described traction convertor is used for powering to traction electric machine.
3. electric locomotive train power supply device according to claim 2, it is characterized in that, described traction convertor comprises four-quadrant PWM converter and inverter to form power supply unit, and described four quadrant convertor carries out handing over-directly converting, for intermediate DC circuit provides electric energy under traction working condition.
4. electric locomotive train power supply device according to claim 3, is characterized in that, when regenerative brake operating mode, described four quadrant convertor carries out directly-alternation by intermediate DC circuit and changes, by electric energy feedback to electrical network.
5. according to the electric locomotive train power supply device in Claims 1 to 4 described in any one, it is characterized in that, described auxiliary converter system, from the intermediate dc loop power taking of main transmission, is that locomotive accessory equipment is powered through isolating transformer after inversion.
6. according to the electric locomotive train power supply device in Claims 1 to 4 described in any one, it is characterized in that, described auxiliary converter system comprises two subordinate inverter for each configuration of locomotives, and wherein a subordinate inverter works to determine frequency mode, is the load supplying of constant frequency and constant voltage work; Another subordinate inverter with conversion system work, for there being the load of variable-frequency variable-voltage requirement.
7. electric locomotive train power supply device according to claim 6, is characterized in that, two described subordinate inverter possess redundancy feature, when after a subordinate inverter fault, is car load auxiliary circuit load supplying by another subordinate inverter.
8. according to the electric locomotive train power supply device in Claims 1 to 4 described in any one, it is characterized in that, described power supply system of train comprises for two row of every platform configuration of locomotives are for inverter, two described row respectively by two groups of intermediate dc loop power supplies of main transmission, are that tractor-trailer train is powered through isolating transformer for inverters after inversion.
9. electric locomotive train power supply device according to claim 8, is characterized in that, two described row possess redundancy feature for inverter, when row are for after fault of converter, supplies inverter to be all tractor-trailer train load supplyings with another row.
10. according to the electric locomotive train power supply device in Claims 1 to 4 described in any one, it is characterized in that, the row of described power supply system of train directly share the water-cooling system of traction convertor for inverter.
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| CN201510039960.3A CN104648169B (en) | 2015-01-27 | 2015-01-27 | A kind of electric locomotive train power supply device |
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| CN201510039960.3A CN104648169B (en) | 2015-01-27 | 2015-01-27 | A kind of electric locomotive train power supply device |
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| CN104648169B CN104648169B (en) | 2017-08-11 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104972913A (en) * | 2015-06-29 | 2015-10-14 | 株洲南车时代电气股份有限公司 | Auxiliary alternating current system for internal combustion motor train unit |
| WO2017101630A1 (en) * | 2015-12-16 | 2017-06-22 | 中车青岛四方机车车辆股份有限公司 | Apparatus for reusing energy of train passing through split-phase |
| CN108123376A (en) * | 2016-11-28 | 2018-06-05 | 中车大同电力机车有限公司 | A kind of new type train powering shelf |
| CN110932565A (en) * | 2018-08-29 | 2020-03-27 | 株洲中车时代电气股份有限公司 | Current transformer for passenger-cargo dual-purpose locomotive |
| CN111775973A (en) * | 2020-06-21 | 2020-10-16 | 中车永济电机有限公司 | Locomotive power supply system and control method thereof |
| CN111775972A (en) * | 2020-06-21 | 2020-10-16 | 中车永济电机有限公司 | High-reliability locomotive electric transmission system and control method thereof |
| CN114337313A (en) * | 2021-11-12 | 2022-04-12 | 中车永济电机有限公司 | Integrated power supply and multi-channel auxiliary transmission system |
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| CN108123376A (en) * | 2016-11-28 | 2018-06-05 | 中车大同电力机车有限公司 | A kind of new type train powering shelf |
| CN110932565A (en) * | 2018-08-29 | 2020-03-27 | 株洲中车时代电气股份有限公司 | Current transformer for passenger-cargo dual-purpose locomotive |
| CN111775973A (en) * | 2020-06-21 | 2020-10-16 | 中车永济电机有限公司 | Locomotive power supply system and control method thereof |
| CN111775972A (en) * | 2020-06-21 | 2020-10-16 | 中车永济电机有限公司 | High-reliability locomotive electric transmission system and control method thereof |
| CN111775972B (en) * | 2020-06-21 | 2021-06-22 | 中车永济电机有限公司 | High-reliability locomotive electric transmission system and control method thereof |
| CN111775973B (en) * | 2020-06-21 | 2021-06-22 | 中车永济电机有限公司 | Locomotive power supply system and control method thereof |
| CN114337313A (en) * | 2021-11-12 | 2022-04-12 | 中车永济电机有限公司 | Integrated power supply and multi-channel auxiliary transmission system |
| WO2023082442A1 (en) * | 2021-11-12 | 2023-05-19 | 中车永济电机有限公司 | Integrated power supply and multi-channel auxiliary transmission system |
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Address after: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee after: ZHUZHOU CRRC TIMES ELECTRIC Co.,Ltd. Address before: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee before: ZHUZH CSR TIMES ELECTRIC Co.,Ltd. |
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