CN104648169B - A kind of electric locomotive train power supply device - Google Patents
A kind of electric locomotive train power supply device Download PDFInfo
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- CN104648169B CN104648169B CN201510039960.3A CN201510039960A CN104648169B CN 104648169 B CN104648169 B CN 104648169B CN 201510039960 A CN201510039960 A CN 201510039960A CN 104648169 B CN104648169 B CN 104648169B
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Abstract
The invention discloses a kind of electric locomotive train power supply device, it includes：Main transmission, electric braking energy is converted into kinetic energy and by the kinetic energy of locomotive for providing traction for locomotive；Auxiliary converter system, is integrated in the traction convertor of main transmission, for providing power supply for locomotive auxiliary equipment；Power supply system of train, is integrated in the traction convertor of main transmission, for providing power supply for tractor-trailer train.The present invention has the advantages that complete machine structure is simpler, cost is cheaper, power supply effect is good.
Description
Technical field
Present invention relates generally to electric locomotive field, a kind of power supply unit suitable for electric locomotive is refered in particular to.
Background technology
At present, electric locomotive is divided into two kinds substantially：
A kind of is the vehicle with train inverter, it is necessary to the direct current row on locomotive provide DC600V power supply for cabinet, is passed through
After vehicle inverter, the work of supply vehicle equipment；That is, the train power supply cabinet on locomotive is matched somebody with somebody with the inverter on towing vehicle to be amounted to
With completion, train power supply cabinet supplies winding power taking from traction transformer of locomotive row, is rectified into after DC 600V and supplies towing vehicle, passes through
Vehicle self-carrying inverter is reverse into after AC 380V, for vehicle load（Air-conditioning, illumination etc.）Use, i.e., rectification concentrated using locomotive,
Car disperses the train power supply scheme of inversion.
Another is the vehicle without train inverter, is the confession for needing special rail vehicle generator car to provide AC380V
Power supply, supply vehicle is used.That is, directly increase generator car export the load of AC380V power supplys supply vehicle by diesel power generation
Use.
For first way working method, at present using more.This mode not only needs locomotive that train power supply is housed
Cabinet, while needing vehicle to install the task that inverter could complete to power to vehicle.The second way, although save vehicle inverse
Become device, but need the section of increase by one dedicated for the generator car of generating.From the foregoing, it will be observed that both the above mode and uneconomical and environmental protection.
In summary, existing train power supply scheme has the following disadvantages：
（1）Train power supply cabinet and two equipment of vehicle inverter either generator car need to be configured, cost is higher, and train is supplied
Electric cabinet installing space has difficulties with vehicle inverter later maintenance.
（2）Conventional train powering shelf supplies winding power taking from tractive transformer row, when locomotive crosses split-phase, and row are for nothing on winding
Power input, it is impossible to powered for towing vehicle.
The content of the invention
The technical problem to be solved in the present invention is that：The technical problem existed for prior art, the present invention provides one
Plant the electric locomotive train power supply device that complete machine structure is simpler, cost is cheaper, power supply effect is good.
In order to solve the above technical problems, the present invention uses following technical scheme：
A kind of electric locomotive train power supply device, it includes：
Main transmission, electric braking energy is converted into kinetic energy and by the kinetic energy of locomotive for providing traction for locomotive；
Auxiliary converter system, is integrated in the traction convertor of main transmission, for providing electricity for locomotive auxiliary equipment
Source；
Power supply system of train, is integrated in the traction convertor of main transmission, for providing power supply for tractor-trailer train.
As a further improvement on the present invention：The main transmission includes tractive transformer, traction convertor and traction
Motor, the primary side of the tractive transformer is connected with contact net and receives power supply, and the secondary side winding of the tractive transformer is given
Traction convertor is powered；The traction convertor is used for powering to traction electric machine.
As a further improvement on the present invention：The traction convertor includes four-quadrant PWM converter and inverter with group
Into power supply unit, the four quadrant convertor is carried out handing over-directly conversion under traction working condition, and electric energy is provided for intermediate DC circuit.
As a further improvement on the present invention：In regenerative braking operating mode, the four quadrant convertor passes through intermediate dc
Circuit carries out straight-alternation and changed, by electric energy feedback to power network.
As a further improvement on the present invention：The auxiliary converter system takes from the intermediate dc loop of main transmission
Electricity, powers after inversion through isolating transformer for locomotive auxiliary equipment.
As a further improvement on the present invention：The auxiliary converter system is included for two auxiliary of each configuration of locomotives
Inverter, wherein a subordinate inverter is worked with determining frequency mode, it is the load supplying of constant frequency and constant voltage work；Another auxiliary is inverse
Become device to work with conversion system, to there is the load of variable-frequency variable-voltage requirement.
As a further improvement on the present invention：Two subordinate inverters possess redundancy feature, when an auxiliary inversion
It is vehicle auxiliary circuit load supplying with another subordinate inverter after device failure.
As a further improvement on the present invention：The power supply system of train includes two row for every configuration of locomotives for inverse
Become device, two row, respectively by two groups of intermediate dc loop power supplies of main transmission, become for inverter after inversion through isolation
Depressor is powered for tractor-trailer train.
As a further improvement on the present invention：Two row possess redundancy feature for inverter, when a row supply inversion
After device failure, 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 the power supply system of train directly share traction convertor for inverter
Water-cooling system.
Compared with prior art, the advantage of the invention is that：
1st, electric locomotive train power supply device of the invention, originally independent two systems is integrated together, not only
Independent two systems get a promotion function than before, and greatly reduce design cost.
2nd, row take for inverter from traction convertor intermediate dc loop in electric locomotive train power supply device of the invention
Electricity, can directly export AC 380V through isolating transformer after inversion and be used for towing vehicle, the generator car and car special without configuring
Inverter, can substantially reduce design cost.
3rd, row are integrated in trailer system for inversion system in electric locomotive train power supply device of the invention, can be shared and be led
Draw the water cooling system of system, after the IGBT deflector elements of greater degree, power supply capacity can be greatly promoted.
4th, electric locomotive train power supply device of the invention, for the power supply system of train of Large Copacity, can pass through parallel connection
The mode of power supply carries out capacity enlargement.
5th, electric locomotive train power supply device of the invention, row are hung over behind intermediate dc loop for inversion module, undue
Xiang Shi, can be charged by the braking of traction electric machine to intermediate dc loop, realize electric locomotive uninterrupted train confession during crossing split-phase
Electricity Functional, improves the comfortableness of train.
Brief description of the drawings
Fig. 1 is the principle schematic of the present invention.
Fig. 2 is principle schematic diagram of the present invention in concrete application example；Based on the I regions that thick lines are divided in figure
Transmission system.
Fig. 3 is principle schematic diagram of the present invention in concrete application example；The II regions that thick lines are divided in figure are
Auxiliary converter system.
Fig. 4 is principle schematic diagram of the present invention in concrete application example；The III regions that thick lines are divided in figure are
Power supply system of train.
Embodiment
The present invention is described in further details below with reference to Figure of description and specific embodiment.
As shown in figure 1, the present invention electric locomotive train power supply device, including main transmission, auxiliary converter system and
Power supply system of train, wherein main transmission provide traction for locomotive and are converted into electric braking energy with kinetic energy and by the kinetic energy of locomotive
Amount, realizes traction and the braking function of locomotive.Auxiliary converter system is integrated in the traction convertor of main transmission, is responsible for
Power supply is provided for locomotive auxiliary equipment.Power supply system of train is integrated in the traction convertor of main transmission, is responsible for traction
Train provides power supply, including on-board air conditioner, lighting apparatus etc..From the foregoing, it will be observed that the present invention is integrated by originally independent two systems
Together, not only independent two systems get a promotion function than before, and greatly reduce design cost.
It is the main transmission in the present embodiment such as the I regions in Fig. 2.The main transmission includes tractive transformer, led
Draw current transformer and traction electric machine.The primary side of tractive transformer receives the kV/50 Hz power supplys of AC 25, secondary side winding from contact net
Powered to traction convertor；In this example, it is single to constitute power supply that traction convertor includes four-quadrant PWM converter and inverter
Member, for being powered to traction electric machine.Four quadrant convertor carries out handing over-directly conversion under traction working condition, is that intermediate DC circuit is carried
Power supply energy；In regenerative braking operating mode, straight-alternation further can also be carried out by intermediate DC circuit and changed, by electric energy feedback
To power network.
It is the auxiliary converter system in the present embodiment such as the II regions in Fig. 3.The auxiliary converter system is integrated in main transmission
In the traction convertor of system, from middle DC loop power taking, powered after inversion through isolating transformer for locomotive auxiliary equipment.
In concrete application example, the auxiliary converter system is included for two subordinate inverters of each configuration of locomotives.
Under normal operation, wherein a subordinate inverter is worked with determining frequency mode, it is the load supplying of constant frequency and constant voltage work；It is another
Platform subordinate inverter is worked with conversion system, to there is the load of variable-frequency variable-voltage requirement, and such as traction blower motor, cooling tower are powered.
Preferably, above-mentioned two subordinate inverters possess redundancy feature, only auxiliary with one after a subordinate inverter failure
It can be just vehicle auxiliary circuit load supplying to help inverter.
It is the power supply system of train in the present embodiment such as the III regions in Fig. 4；The power supply system of train is integrated in main biography
In the traction convertor of dynamic system, power supply system of train includes supplying inverter for two row of every configuration of locomotives, and two row are supplied
Inverter by two groups of intermediate dc loop power supplies of main convertor, is powered after inversion through isolating transformer for tractor-trailer train respectively.
Preferably, two row possess redundancy feature for inverter, after a row are for fault of converter, only with a row for inverse
It just can be all tractor-trailer train load supplyings to become device.
In the embodiment of other optimizations, the row in the present invention can directly share traction convertor water cooling system for inverter
System, disclosure satisfy that radiating needs on the premise of structure complexity is not increased.
In embodiments of other optimizations, electric locomotive train power supply device of the invention can be by the side of parallel operation
Formula is powered capacity enlargement, and realizes that electric power system is not powered off during split-phase is crossed.
It the above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
For those of ordinary skill, some improvements and modifications without departing from the principles of the present invention should be regarded as the protection of the present invention
Scope.
Claims (9)
1. a kind of electric locomotive train power supply device, it is characterised in that including：
Main transmission, electric braking energy is converted into kinetic energy and by the kinetic energy of locomotive for providing traction for locomotive；
Auxiliary converter system, is integrated in the traction convertor of main transmission, for providing power supply for locomotive auxiliary equipment；
Power supply system of train, is integrated in the traction convertor of main transmission, for providing power supply for tractor-trailer train；
The power supply system of train includes supplying inverter for two row of every configuration of locomotives, and two row are for inverter difference
By two groups of intermediate dc loop power supplies of main transmission, powered after inversion through isolating transformer for tractor-trailer train.
2. electric locomotive train power supply device according to claim 1, it is characterised in that the main transmission includes leading
Draw transformer, traction convertor and traction electric machine, the primary side of the tractive transformer is connected with contact net and receives power supply, described
The secondary side winding of tractive transformer is powered to traction convertor；The traction convertor is used for powering to traction electric machine.
3. electric locomotive train power supply device according to claim 2, it is characterised in that the traction convertor includes four
Quadrant PWM converter and inverter are to constitute power supply unit, and the four quadrant convertor carries out handing over-directly becoming under traction working condition
Change, electric energy is provided for intermediate DC circuit.
4. electric locomotive train power supply device according to claim 3, it is characterised in that in regenerative braking operating mode, institute
State four quadrant convertor straight-alternation is carried out by intermediate DC circuit and change, by electric energy feedback to power network.
5. the electric locomotive train power supply device according to any one in Claims 1 to 4, it is characterised in that described auxiliary
Intermediate dc loop power taking of the converter system from main transmission is helped, is supplied after inversion through isolating transformer for locomotive auxiliary equipment
Electricity.
6. the electric locomotive train power supply device according to any one in Claims 1 to 4, it is characterised in that described auxiliary
Converter system is helped to include two subordinate inverters for each configuration of locomotives, wherein a subordinate inverter is to determine frequency mode work
Make, be the load supplying of constant frequency and constant voltage work；Another subordinate inverter is worked with conversion system, to there is variable-frequency variable-voltage requirement
Load.
7. electric locomotive train power supply device according to claim 6, it is characterised in that two auxiliary inversion utensils
Standby redundancy feature, is vehicle auxiliary circuit load supplying with another subordinate inverter after a subordinate inverter failure.
8. electric locomotive train power supply device according to claim 1, it is characterised in that two row supply inversion utensil
Standby redundancy feature, after a row are for fault of converter, supplies inverter to be all tractor-trailer train load supplyings with another row.
9. the electric locomotive train power supply device according to any one in Claims 1 to 4, it is characterised in that the row
The row of car electric power system 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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| CN104648169A CN104648169A (en) | 2015-05-27 |
| CN104648169B true CN104648169B (en) | 2017-08-11 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104972913B (en) * | 2015-06-29 | 2017-07-07 | 株洲南车时代电气股份有限公司 | A kind of Diesel Multiple Unit supplementary AC system |
| CN105501076A (en) * | 2015-12-16 | 2016-04-20 | 中车青岛四方机车车辆股份有限公司 | Device and method for recycling neutral-section passing energy of train |
| 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 |
| 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 |
| 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 |
| CN114337313B (en) * | 2021-11-12 | 2024-05-14 | 中车永济电机有限公司 | Integrated power supply and multichannel auxiliary transmission system |
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| CN2923413Y (en) * | 2006-01-27 | 2007-07-18 | 中国北车集团大同电力机车有限责任公司 | Traction power supply apparatus of electric locomotive |
| CN200964061Y (en) * | 2006-09-26 | 2007-10-24 | 中国南车集团株洲电力机车有限公司 | Locomotive distributed assistant circuit electric power system |
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| JP3056898B2 (en) * | 1992-10-23 | 2000-06-26 | 株式会社東芝 | Electric car control device |
| CN101051751A (en) * | 2007-05-14 | 2007-10-10 | 上海艾帕电力电子有限公司 | Active power filter including power unit and its control method |
| DE102007060893A1 (en) * | 2007-12-14 | 2009-06-25 | Bombardier Transportation Gmbh | Arrangement for supplying electric locomotive facilities and method for operating the arrangement |
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|---|---|---|---|---|
| CN2923413Y (en) * | 2006-01-27 | 2007-07-18 | 中国北车集团大同电力机车有限责任公司 | Traction power supply apparatus of electric locomotive |
| CN200964061Y (en) * | 2006-09-26 | 2007-10-24 | 中国南车集团株洲电力机车有限公司 | Locomotive distributed assistant circuit electric power system |
| CN201901014U (en) * | 2010-12-01 | 2011-07-20 | 南车株洲电力机车有限公司 | Double-source electric control device for locomotive |
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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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