CN104648170B - A kind of intercity car electric traction system of double-current system - Google Patents
A kind of intercity car electric traction system of double-current system Download PDFInfo
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- CN104648170B CN104648170B CN201510040293.0A CN201510040293A CN104648170B CN 104648170 B CN104648170 B CN 104648170B CN 201510040293 A CN201510040293 A CN 201510040293A CN 104648170 B CN104648170 B CN 104648170B
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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 discloses a kind of intercity car electric traction system of double-current system, including：Inverter unit, for DC conversion is supplied into traction electric machine for the power supply of variable-frequency variable-voltage, is worked with motor；Ac power supply circuit, including exchange pantograph, transformer and rectifier, alternating current are flowed by exchanging pantograph, and rectifier is supplied after voltage is reduced through transformer, and AC conversion is direct current, supply and the intermediate dc loop of inverter unit by rectifier；Direct current power supply loop, including direct current pantograph, high direct voltage electrical equipment cabinet and line filter reactor, direct current are flowed by direct current pantograph, and electric current flows through the intermediate dc loop that inverter unit is connected to after high direct voltage electrical equipment cabinet and line filter reactor.The present invention has the advantages that simple in construction, highly versatile, passenger carrying capacity are good.
Description
Technical field
Present invention relates generally to track vehicle field, refer in particular to a kind of electrically lead based on the intercity car that double-current system is powered
Draw system.
Background technology
With the accelerated development of China's urbanization, multicenter or radioactive development trend is presented in city.Satellite town
Emerge in multitude, promote inside city district, inner city periphery, between satellite city and substantial amounts of commuting traffic on specific direction
Produce, therefore, in the urgent need to a kind of quick comfortable, capacity flexibly, efficiently railway transportation equipment of plugging into.
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 good intercity car electric traction system of a kind of double-current system of simple in construction, highly versatile, passenger carrying capacity.
In order to solve the above technical problems, the present invention uses following technical scheme：
A kind of intercity car electric traction system of double-current system, including：
Inverter unit, for DC conversion is supplied into traction electric machine for the power supply of variable-frequency variable-voltage, with motor work
Make；
Ac power supply circuit, including exchange pantograph, transformer and rectifier, alternating current by the exchange pantograph by
Stream, supplies the rectifier after voltage is reduced through the transformer, AC conversion is direct current, supply by the rectifier
With the intermediate dc loop of the inverter unit；
Direct current power supply loop, including direct current pantograph, high direct voltage electrical equipment cabinet and line filter reactor, direct current pass through
The direct current pantograph is flowed, and electric current is connected to the inversion after flowing through the high direct voltage electrical equipment cabinet and line filter reactor
The intermediate dc loop of device unit.
As a further improvement on the present invention：The AC power of the alternating current is AC 25kV power supplys.
As a further improvement on the present invention：The dc source of the direct current is DC 1500V power supplys.
As a further improvement on the present invention：Rectifier in the ac power supply circuit is four-quadrant pulse rectifier,
The four-quadrant pulse rectifier together constitutes with AC-DC-AC with intermediate dc loop, inverter unit, asynchronous squirrel-cage motor
Electric drive system.
As a further improvement on the present invention：High direct voltage electrical equipment cabinet, line filter electricity in the direct current power supply loop
Straight-alternating current transmission system that anti-device, intermediate dc loop, inverter unit and asynchronous squirrel-cage motor are together constituted with.
As a further improvement on the present invention：The inverter unit includes several inverters and subordinate inverter, institute
State inverter and rectifier and constitute traction rectifier-inverter bridge, subordinate inverter constitutes auxiliary inversion bridge, two traction rectifiers-
The traction auxiliary converter cabinet of inverter bridge, an auxiliary inversion bridge and a charging mechanism into a motor-car.
As a further improvement on the present invention：Described two traction rectifier-inverter bridges are used for supplying to four traction electric machines
Electricity, i.e., each traction rectifier-inverter bridge is used for powering for two traction electric machines.
Compared with prior art, the advantage of the invention is that：
1st, the intercity car electric traction system of double-current system of the invention, is double-current system EMUs, can be met over long distances, it is big between
Transportation demand away from intercity circuit, and the small stop spacing into after inner city can be met, the movement requirement of large conveying quantity, vehicle has
The acceleration and decelerability similar to subway system, it may have the general high speed of EMUs system, quick comfortable, carrying
Ability is flexible.
2nd, the intercity car electric traction system of double-current system of the invention, by sharing for AC and DC, realizes double-current system
Traction, by the cooperation with ground energy absorbing device, in vehicle-mounted part, eliminates braking resistor, alleviates the weight of vehicle,
Improve the performance of vehicle.
Brief description of the drawings
Fig. 1 is principle schematic diagram of the present invention in concrete application example.
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 intercity car electric traction system of double-current system of the present invention, including：
Inverter unit, for by DC conversion be variable-frequency variable-voltage（VVVF）Power supply supply traction electric machine, with drive
Motor works.Tractive force or brake force are passed to wheel pair by motor by gear-box and shaft coupling, are driven vehicle to realize and are led
Draw or brake；
Ac power supply circuit, including exchange pantograph, transformer and rectifier, alternating current are flowed by exchanging pantograph,
Rectifier is supplied after voltage is reduced through transformer, AC conversion is direct current, supply and inverter unit by rectifier
Intermediate dc loop.
Direct current power supply loop, including direct current pantograph, high direct voltage electrical equipment cabinet and line filter reactor, direct current pass through
Direct current pantograph is flowed, and electric current flows through the centre that inverter unit is connected to after high direct voltage electrical equipment cabinet and line filter reactor
DC loop.
In said structure, the intermediate dc loop of AC power and the shared inverter unit of dc source is inverse to realize
Become the multiplexing of device unit and traction electric machine under double-current system powering mode.
In concrete application example, AC power can select the Alternating Current Power Supply electricity for AC 25kV power supplys or other standards
Source；Dc source can select the DC power supply for DC 1500V power supplys or other standards.
In concrete application example, the rectifier in ac power supply circuit can use four-quadrant pulse rectifier, four-quadrant
Limit pulse rectifier together constitutes with AC-DC-AC fax with intermediate dc loop, VVVF inverter units, asynchronous squirrel-cage motor
Dynamic system, each motor-car uses frame prosecutor formula, and shaft type is B0-B0.
In concrete application example, the high direct voltage electrical equipment cabinet, line filter reactor, centre in direct current power supply loop are straight
Straight-alternating current transmission system that road, VVVF inverter units and asynchronous squirrel-cage motor are together constituted with is flowed back to, each motor-car uses frame control
Mode, shaft type is B0-B0.
In concrete application example, inverter unit includes several inverters and subordinate inverter, inverter and rectification
Device constitutes traction rectifier-inverter bridge, and subordinate inverter constitutes auxiliary inversion bridge, two traction rectifier-inverter bridges, one it is auxiliary
Inverter bridge and a charging mechanism are helped into the traction auxiliary converter cabinet of a motor-car；During concrete application, the traction auxiliary becomes
Stream device cabinet can contain charger.Wherein, two traction rectifier-inverter bridges are used for powering to four traction electric machines, i.e., each lead
Draw rectification-inverter bridge to be used for powering for two traction electric machines.
In concrete application example, traction electric machine can both be operated in traction mode, can also be operated in electric braking pattern.
If AC 25kV Alternating Current Power Supplies, under electric braking pattern, traction electric machine is in Generator Status, inverter unit
In reverse active mode, the energy storage of vehicle is fed back on contact net.Because the capacity of ac contactor net is huge, motor feedback
Energy national grid can be fed back to by tractive transformer, so ac power supply circuit can be not provided with Large Copacity braking electricity
Resistance, but in order to keep the stabilization of medium voltage, copped wave resistance can be further set.
If DC 1500V direct current supplys, under electric braking pattern, traction electric machine is in Generator Status, inverter unit
In reverse active mode, the energy storage of vehicle is fed back on contact net.In ground line, energy absorbing device, traction electricity are set
The energy of machine feedback can be absorbed as AC network.If net pressure will open copped wave more than the voltage threshold value of setting
Resistance loop, by portion of energy consumption on copped wave resistance, to maintain the stabilization of medium voltage.
The electric braking force that regenerative braking is provided will be faded out in train low speed, but empty electric composite braking will be continued for, only
To train stop, and maintain anti-slip holding braking.
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 those skilled in the art, without departing from the principles of the present invention
Some improvements and modifications, should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of intercity car electric traction system of double-current system, it is characterised in that including：
Inverter unit, for DC conversion is supplied into traction electric machine for the power supply of variable-frequency variable-voltage, is worked with motor；
Ac power supply circuit, including exchange pantograph, transformer and rectifier, alternating current are flowed by the exchange pantograph,
Supply the rectifier after voltage is reduced through the transformer, AC conversion is direct current by the rectifier, supply with
The connected intermediate dc loop of the inverter unit；
Direct current power supply loop, including direct current pantograph, high direct voltage electrical equipment cabinet and line filter reactor, direct current passes through described
Direct current pantograph is flowed, and electric current, which is flowed through, is connected to intermediate dc time after the high direct voltage electrical equipment cabinet and line filter reactor
Road.
2. the intercity car electric traction system of double-current system according to claim 1, it is characterised in that the exchange of the alternating current
Power supply is AC 25kV power supplys.
3. the intercity car electric traction system of double-current system according to claim 1, it is characterised in that the direct current of the direct current
Power supply is DC 1500V power supplys.
4. the intercity car electric traction system of double-current system according to claim 1 or 2 or 3, it is characterised in that the traction electricity
Machine is that the rectifier in asynchronous squirrel-cage motor, the ac power supply circuit is four-quadrant pulse rectifier, the four-quadrant arteries and veins
Rush rectifier and together constitute with AC-DC-AC electric drive system with intermediate dc loop, inverter unit, asynchronous squirrel-cage motor.
5. the intercity car electric traction system of double-current system according to claim 1 or 2 or 3, it is characterised in that the traction electricity
Machine is asynchronous squirrel-cage motor, high direct voltage electrical equipment cabinet, line filter reactor, intermediate dc in the direct current power supply loop
Straight-alternating current transmission system that loop, inverter unit and asynchronous squirrel-cage motor are together constituted with.
6. the intercity car electric traction system of double-current system according to claim 1 or 2 or 3, it is characterised in that the inverter
Unit includes several inverters and subordinate inverter, and the inverter constitutes traction rectifier-inverter bridge, auxiliary with rectifier
Inverter constitutes auxiliary inversion bridge, and two traction rectifier-inverter bridges, an auxiliary inversion bridge and a charging mechanism are into one
The traction auxiliary converter cabinet of motor-car.
7. the intercity car electric traction system of double-current system according to claim 6, it is characterised in that described two tractions are whole
Stream-inverter bridge is used for powering to four traction electric machines, i.e., each traction rectifier-inverter bridge is used for supplying for two traction electric machines
Electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510040293.0A CN104648170B (en) | 2015-01-27 | 2015-01-27 | A kind of intercity car electric traction system of double-current system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510040293.0A CN104648170B (en) | 2015-01-27 | 2015-01-27 | A kind of intercity car electric traction system of double-current system |
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| CN104648170A CN104648170A (en) | 2015-05-27 |
| CN104648170B true CN104648170B (en) | 2017-08-25 |
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| CN105356675B (en) * | 2015-10-28 | 2017-11-28 | 中车唐山机车车辆有限公司 | Direct current permanent magnetic brushless motor current transformer used for rail vehicle |
| CN105459839B (en) * | 2015-11-24 | 2017-12-05 | 中车唐山机车车辆有限公司 | Double-standard current collecting system and method |
| CN105501069B (en) * | 2015-12-02 | 2017-11-28 | 中车唐山机车车辆有限公司 | Double-standard current collecting system and method |
| CN105539164B (en) * | 2016-01-22 | 2018-08-21 | 株洲南车时代电气股份有限公司 | A kind of double-source controlled electrical locomotive converter plant |
| CN106026691B (en) * | 2016-05-30 | 2018-08-21 | 株洲中车时代电气股份有限公司 | It is a kind of can independent axes control the major-minor integrated traction convertor of train |
| WO2018107384A1 (en) * | 2016-12-14 | 2018-06-21 | 中车株洲电力机车有限公司 | Electric locomotive main circuit and electric locomotive |
| CN107070255A (en) * | 2017-05-17 | 2017-08-18 | 中国铁道科学研究院 | A kind of hauling power device |
| CN107086824A (en) * | 2017-05-17 | 2017-08-22 | 中国铁道科学研究院 | One kind traction AuCT |
| CN109383307B (en) * | 2017-08-02 | 2021-10-12 | 株洲中车时代电气股份有限公司 | Battery-powered traction system for an electric traction rail transit vehicle |
| CN110014854B (en) * | 2017-10-17 | 2021-06-22 | 株洲中车时代电气股份有限公司 | Converter and electric transmission system |
| CN109698615B (en) * | 2017-10-20 | 2021-07-20 | 株洲中车时代电气股份有限公司 | Double-flow independent shaft control traction converter |
| CN109318720B (en) * | 2017-12-13 | 2022-02-11 | 中车长春轨道客车股份有限公司 | Multi-standard high-voltage power supply system for motor train unit and train |
| CN111186449B (en) * | 2018-11-15 | 2021-03-16 | 中车永济电机有限公司 | Electric drive system |
| CN110014845A (en) * | 2018-12-05 | 2019-07-16 | 中车长春轨道客车股份有限公司 | A kind of motor-car trailer system of multi-standard power supply |
| SG11201911894YA (en) * | 2018-12-05 | 2020-07-29 | Crrc Changchun Railway Vehicles Co Ltd | Multi-Power Supply Mode Traction System For Multiple-Unit Train |
| CN111284506A (en) * | 2018-12-07 | 2020-06-16 | 株洲中车时代电气股份有限公司 | Traction transmission system of hybrid power locomotive |
| CN110979015B (en) * | 2019-12-31 | 2024-05-07 | 北京轨道交通技术装备集团有限公司 | Rail vehicle |
| CN111791715A (en) * | 2020-06-19 | 2020-10-20 | 中车唐山机车车辆有限公司 | Traction control unit of traction system |
| CN113119739B (en) * | 2021-05-17 | 2022-05-17 | 湖南大学 | Multi-system traction transmission system topology and method based on matrix converter |
| CN113381429B (en) * | 2021-06-04 | 2022-05-20 | 西南交通大学 | Flexible power supply device for rail transit and coordination control method |
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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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