CN106740151A - The hybrid power system and EMU of rail vehicle - Google Patents
The hybrid power system and EMU of rail vehicle Download PDFInfo
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- CN106740151A CN106740151A CN201611226437.2A CN201611226437A CN106740151A CN 106740151 A CN106740151 A CN 106740151A CN 201611226437 A CN201611226437 A CN 201611226437A CN 106740151 A CN106740151 A CN 106740151A
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- Prior art keywords
- rail vehicle
- power system
- hybrid power
- unit
- hybrid
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L9/00—Electric propulsion with power supply external to the vehicle
- B60L9/16—Electric propulsion with power supply external to the vehicle using ac induction motors
- B60L9/18—Electric propulsion with power supply external to the vehicle using ac induction motors fed from dc supply lines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
- B60L50/14—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines using DC generators and AC motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2210/00—Converter types
- B60L2210/40—DC to AC converters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2220/00—Electrical machine types; Structures or applications thereof
- B60L2220/40—Electrical machine applications
- B60L2220/42—Electrical machine applications with use of more than one motor
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention provides a kind of hybrid power system and EMU of rail vehicle, is related to the traction technique of rail vehicle.The hybrid power system of rail vehicle includes：Electric power unit, combustion power unit and DC link unit；Electric power unit, combustion engine powered group be all connected with DC link unit；Electric power unit includes：Pantograph, tractive transformer, the first rectifier；Combustion power unit includes：Diesel-driven generator and the second rectifier.EMU includes：Power truck and hybrid power system, hybrid power system are used to drive the wheel in power truck to run；Wherein, hybrid power system is the hybrid power system of above-mentioned rail vehicle.The first independent rectifier is set by electric power unit, the second independent rectifier is set in combustion power unit, the switching matching link of rectifier can be reduced, simplify the controlling unit of hybrid power system, reduce the control difficulty of hybrid power system.
Description
Technical field
The present invention relates to the traction technique of rail vehicle, more particularly to a kind of rail vehicle hybrid power system and height
Fast EMUs.
Background technology
In recent years, especially EMU has been increasingly becoming the first-selection that people go on a journey to rail vehicle；In order that more
People can enjoy the facility that EMU is brought, in order to improve the applicability of EMU, it is necessary to research and develop one
Plant the rail vehicle that not only can be run in electrified main line but also can be run in non-electrified railway.
In the prior art, hybrid power system generally includes diesel-driven generator and electric power bag, the output of diesel-driven generator
Input with the rectifier of electric power bag is connected；The 25kV alternating currents of contact net, row are introduced by the pantograph of electric power bag
The main transformer of car, main transformer is depressured into the alternating current of 900V, used as the AC-input voltage of net side current transformer；In nothing
During contact net, the alternating current of 900V is directly sent using diesel-driven generator as the AC-input voltage of net side current transformer.
Because in contactless net, what diesel-driven generator sent is three-phase alternating current, and contact net is two-way list when powering
Cross streams electricity, therefore above-mentioned hybrid power system requires that the input of net side current transformer can be switched to all the way from two-way single phase power supply
Three phase supply causes the controlling unit of hybrid power system more complicated, it is necessary to carry out the switching match control of both of which, controls
Difficulty processed is larger.
The content of the invention
For drawbacks described above of the prior art, the present invention provides the hybrid power system and high speed of a kind of rail vehicle
EMUs, can simplify the controlling unit of hybrid power system, reduce the control difficulty of hybrid power system.
The first aspect of the invention is to provide a kind of hybrid power system of rail vehicle, including：It is electric power unit, interior
Combustion power unit and DC link unit；The electric power unit, combustion engine powered group be all connected with DC link unit；Institute
Stating electric power unit includes：Pantograph, tractive transformer, the first rectifier；
The combustion power unit includes：Diesel-driven generator and the second rectifier.
Further, the DC link unit is connected by traction invertor with traction electric machine.
Further, the hybrid power system of the rail vehicle also includes：Control unit, for controlling the railcar
Enter electric propulsion control model or internal combustion drive control pattern.
Further, described control unit includes：Main circuit breaker；When the main circuit breaker is in closure state, the rail
Road vehicle is electric propulsion control model；When the main circuit breaker is off, the rail vehicle is that internal combustion drives control
Molding formula.
Further, the hybrid power system of the rail vehicle also includes：Auxiliary power unit, with the DC link
Unit is connected, and is arranged in parallel with the traction invertor, traction electric machine.
Further, the auxiliary power unit includes：AuCT, charger and battery；Wherein, it is described auxiliary
Current transformer is helped to be connected with the intermediate link.
Further, the two ends of the rail vehicle are respectively arranged with two electric power units.
Further, the two ends of the rail vehicle are respectively arranged with two combustion power units.
Further, the hybrid power system of the rail vehicle also includes：Cooling unit, for the hybrid power
System is cooled down.
Another aspect of the present invention is to provide a kind of EMU, including：Power truck and hybrid power system
System, the hybrid power system is used to drive the wheel in the power truck to run；
Wherein, the hybrid power system is the hybrid power system of the rail vehicle described in foregoing any one.
The hybrid power system and EMU of the rail vehicle that the present invention is provided, are set by electric power unit
The first independent rectifier, sets the second independent rectifier in combustion power unit, can reduce the switching of rectifier
With link, simplify the controlling unit of hybrid power system, reduce the control difficulty of hybrid power system, further, it is possible to avoid existing
There is net side current transformer in technology to break down the problem that two kinds of powering modes cannot all work, the operation that improve rail vehicle can
By property.
Brief description of the drawings
Fig. 1 is the structural representation of the hybrid power system of embodiment of the present invention rail vehicle；
Fig. 2 is the tractive transformer of embodiment of the present invention rail vehicle, the first rectifier, DC link unit, draw inverse
Become the electrical schematic diagram of device and AuCT.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.
Based on the embodiment in the present invention, those of ordinary skill in the art are obtained under the premise of creative work is not made
The every other embodiment for obtaining, belongs to the scope of protection of the invention.In the case where not conflicting, following embodiments and implementation
Feature in example can be mutually combined.
It should be noted that in the description of the invention, term " first ", " second " are only used for the different portion of convenient description
Part, and it is not intended that indicating or hint ordinal relation, relative importance or the implicit number for indicating indicated technical characteristic
Amount.Thus, " first " is defined, at least one this feature can be expressed or be implicitly included to the feature of " second ".
Fig. 1 is the structural representation of the hybrid power system of embodiment of the present invention rail vehicle；Fig. 2 is the embodiment of the present invention
The electric original of the tractive transformer of rail vehicle, the first rectifier, DC link unit, traction invertor and AuCT
Reason figure.
Fig. 1-2 is refer to, the present embodiment provides a kind of hybrid power system of rail vehicle, including：It is electric power unit, interior
Combustion power unit and DC link unit 300.
Wherein, electric power unit, combustion engine powered group be all connected with DC link unit 300.
Electric power unit includes：Pantograph 110, tractive transformer 120, the first rectifier 130.
Combustion power unit includes：The rectifier 220 of diesel-driven generator 210 and second.
Specifically, pantograph 110 is used to for the alternating current of contact net to introduce tractive transformer 120, and tractive transformer 120 is used
It is depressured in the alternating current, and outputs it input voltage of the voltage as the first rectifier 130, the first rectifier 130
Possesses the function that rectification is carried out to single-phase alternating current, the direct current electricity output after its rectification is given direct link by the first rectifier 130
Unit；Wherein, the first rectifier 130 can include two four-quadrant rectifiers.
When net is not in contact with or electric power unit breaks down, diesel-driven generator 210 is started by battery, passed through
Burning diesel oil obtains electric energy, and outputs it input voltage of the voltage as the second rectifier 220, and the second rectifier 220 possesses
The function of rectification is carried out to three-phase electricity, the direct current electricity output after its rectification is given direct link unit by the second rectifier 220.
Certainly, the diesel-driven generator 210 in the present embodiment can also be replaced by generators such as gasoline engine generator, natural gases.
The hybrid power system of the rail vehicle that the present embodiment is provided, it is whole by electric power unit setting independent first
Stream device 130, sets the second independent rectifier 220 in combustion power unit, can reduce the switching matching link of rectifier,
Simplify the controlling unit of hybrid power system, the control difficulty of hybrid power system is reduced, further, it is possible to avoid in the prior art
The problem that net side current transformer two kinds of powering modes of failure cannot all work, improves the operational reliability of rail vehicle.
Wherein, two kinds of powering modes be respectively powered by electric power unit electric propulsion control model, have diesel generation
The internal combustion drive control pattern of the power supply of machine 210.
Further, DC link unit 300 is connected by traction invertor 400 with traction electric machine 500.
Specifically, DC link unit 300 connect two traction invertors 400, each traction invertor 400 be two simultaneously
The traction electric machine 500 of row is powered.Wherein, traction invertor 400 is pulsewidth modulation (PWM) inverter, and traction electric machine 500 is using simultaneously
Alliance is electrically, uniform to ensure the sharing of load of traction electric machine 500.
Further, the hybrid power system of rail vehicle also includes：Control unit, for controlling rail vehicle to enter electric power
Traction control mode or internal combustion drive control pattern；Control unit can include main circuit breaker.
Specifically, when electrified circuit is entered, rail vehicle is flowed by pantograph 110, after main circuit breaker closure, is moved
Car group enters electric propulsion control model, is powered from electric power unit to DC link unit 300, and by traction invertor
Middle dc voltage is converted to three-phase VVVF exchange electric drives traction electric machine 500 by 400 to be run.When will enter non-electrical gasify line
Lu Shi, the diesel-driven generator 210 of internal combustion engine generator group is started by battery, when the output electricity for detecting diesel-driven generator 210
When pressure meets the job requirement of the second rectifier 220, diesel-driven generator 210 disconnects, and pantograph 110 is fallen, and rail vehicle enters
Internal combustion drive control pattern, is powered from combustion power unit to DC link unit 300, and by traction invertor 400 by
Between DC voltage be converted to three-phase VVVF exchanges electric drive traction electric machine 500 and run.
Further, the hybrid power system of rail vehicle also includes：Auxiliary power unit 600, with DC link unit
300 connections, and be arranged in parallel with traction invertor 400, traction electric machine 500.
Specifically, auxiliary power unit 600 includes：The parts such as AuCT, charger and battery；Wherein, it is auxiliary
Current transformer is helped to be connected with intermediate link；Auxiliary power unit 600 can be used for being powered for other electrical equipments.
In the present embodiment, under internal combustion drive control pattern, the braking energy of rail vehicle can also be by auxiliary power supply list
Unit 600 absorbs, and realizes recycling for energy；Under electric propulsion control model, the braking energy of rail vehicle can pass through
First rectifier 130 is fed back to contact net, is used for other vehicles on circuit, with energy saving.
Further, the two ends of rail vehicle are respectively arranged with two electric power units；The two ends of rail vehicle set respectively
It is equipped with two combustion power units.
In the present embodiment, rail vehicle uses two ends centrally connected power supply.The two ends of rail vehicle are respectively provided with two independences and move
Power apparatus, each independent power device includes electric power unit, combustion power unit, direct link unit, traction invertor
400 and traction electric machine 500；When one of independent power device breaks down, independent power dress can be individually cut off
Put, the normal work without influenceing other independent power devices.
So that rail vehicle is using 8 marshallings as an example：1 to 2 car, 7 to 8 cars set electric power unit, combustion power unit,
DC link unit 300, traction invertor 400 and traction electric machine 500；3 to 6 cars set charger and battery；Wherein connect
It is single-phase 25kV, 50Hz contact net to touch net, and maximum speed of the rail vehicle in electrified section is 200km/h, in non-electrical gasification
The maximum speed in section is 160km/h.
In the present embodiment, the hybrid power system of rail vehicle also includes：Cooling unit, for entering to hybrid power system
Row cooling.
In the present embodiment, rail vehicle is provided with power house and cooling chamber, and combustion power unit is provided with power house, cold
But interior is provided with cooling unit, and power house and cooling chamber are separated by soundproof wall with guest room.
The present embodiment also provides a kind of EMU, including：Power truck and hybrid power system, hybrid power
System is used to drive the wheel in power truck to run；Hybrid power system is the rail vehicle in foregoing any embodiment
Hybrid power system.
Wherein, the structure of hybrid power system, function are similar with previous embodiment, and here is omitted.
The EMU that the present embodiment is provided, sets the first independent rectifier, in internal combustion by electric power unit
The second independent rectifier is set in power unit, the switching matching link of rectifier can be reduced, simplify hybrid power system
Controlling unit, reduce hybrid power system control difficulty, further, it is possible to avoid in the prior art net side current transformer occur therefore
The problem that two kinds of powering modes of barrier cannot all work, improves the operational reliability of EMU.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above-mentioned each method embodiment can lead to
The related hardware of programmed instruction is crossed to complete.Foregoing program can be stored in a computer read/write memory medium.The journey
Sequence upon execution, performs the step of including above-mentioned each method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or
Person's CD etc. is various can be with the medium of store program codes.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
Pipe has been described in detail with reference to foregoing embodiments to the present invention, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of hybrid power system of rail vehicle, it is characterised in that including：Electric power unit, combustion power unit and
DC link unit；The electric power unit, combustion engine powered group be all connected with DC link unit；The electric power unit bag
Include：Pantograph, tractive transformer, the first rectifier；The combustion power unit includes：Diesel-driven generator and the second rectification
Device.
2. the hybrid power system of rail vehicle according to claim 1, it is characterised in that the DC link unit leads to
Traction invertor is crossed to be connected with traction electric machine.
3. the hybrid power system of rail vehicle according to claim 1 and 2, it is characterised in that also include：Control is single
Unit, for controlling the rail vehicle to enter electric propulsion control model or internal combustion drive control pattern.
4. the hybrid power system of rail vehicle according to claim 3, it is characterised in that described control unit includes：
Main circuit breaker；When the main circuit breaker is in closure state, the rail vehicle is electric propulsion control model；The main open circuit
When device is off, the rail vehicle is internal combustion drive control pattern.
5. the hybrid power system of rail vehicle according to claim 2, it is characterised in that also include：Auxiliary power supply list
Unit, is connected with the DC link unit, and is arranged in parallel with the traction invertor, traction electric machine.
6. the hybrid power system of rail vehicle according to claim 5, it is characterised in that the auxiliary power unit bag
Include：AuCT, charger and battery；Wherein, the AuCT is connected with the intermediate link.
7. the hybrid power system of rail vehicle according to claim 1 and 2, it is characterised in that the rail vehicle
Two ends are respectively arranged with two electric power units.
8. the hybrid power system of rail vehicle according to claim 1 and 2, it is characterised in that the rail vehicle
Two ends are respectively arranged with two combustion power units.
9. the hybrid power system of rail vehicle according to claim 1 and 2, it is characterised in that also include：Cooling is single
Unit, for being cooled down to the hybrid power system.
10. a kind of EMU, it is characterised in that including：Power truck and hybrid power system, the hybrid power
System is used to drive the wheel in the power truck to run；Wherein, the hybrid power system is that claim 1-9 is any
The hybrid power system of the rail vehicle described in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611226437.2A CN106740151A (en) | 2016-12-27 | 2016-12-27 | The hybrid power system and EMU of rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611226437.2A CN106740151A (en) | 2016-12-27 | 2016-12-27 | The hybrid power system and EMU of rail vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106740151A true CN106740151A (en) | 2017-05-31 |
Family
ID=58921607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611226437.2A Pending CN106740151A (en) | 2016-12-27 | 2016-12-27 | The hybrid power system and EMU of rail vehicle |
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| CN (1) | CN106740151A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107554313A (en) * | 2017-09-22 | 2018-01-09 | 中车唐山机车车辆有限公司 | Railway vehicle traction system and rail vehicle |
| CN107554539A (en) * | 2017-09-15 | 2018-01-09 | 中车株洲电力机车有限公司 | One kind detection car and its detection car group |
| CN109412469A (en) * | 2018-10-15 | 2019-03-01 | 中车大连机车车辆有限公司 | Traction current transformation system main circuit, control method and its system |
| CN109507988A (en) * | 2018-12-19 | 2019-03-22 | 株洲时代电子技术有限公司 | A kind of track engineering vehicle network control system and its application |
| CN109878338A (en) * | 2017-12-06 | 2019-06-14 | 株洲中车时代电气股份有限公司 | A kind of off highway vehicle electric transmission method and system |
| WO2019128416A1 (en) * | 2017-12-27 | 2019-07-04 | 株洲中车时代电气股份有限公司 | Method for seamless switching between dual-power power supply modes of locomotive |
| CN111806266A (en) * | 2020-05-29 | 2020-10-23 | 宁波中车新能源科技有限公司 | Energy storage type intermittent vehicle power supply system and power supply method |
| ES2884003A1 (en) * | 2020-06-05 | 2021-12-09 | Patentes Talgo S L U | Hybrid power systems for railway assemblies (Machine-translation by Google Translate, not legally binding) |
| CN114179624A (en) * | 2021-12-16 | 2022-03-15 | 西安中车永电电气有限公司 | Rail car traction power supply system powered by three-in-one hybrid energy |
| CN114633640A (en) * | 2022-01-17 | 2022-06-17 | 中车青岛四方机车车辆股份有限公司 | Power switching system and method of railway vehicle and railway vehicle |
| CN115489570A (en) * | 2022-09-29 | 2022-12-20 | 中车大连机车车辆有限公司 | Internal-power double-source rail motor train unit passing neutral section stable control method and system |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107554539A (en) * | 2017-09-15 | 2018-01-09 | 中车株洲电力机车有限公司 | One kind detection car and its detection car group |
| CN107554313B (en) * | 2017-09-22 | 2019-10-11 | 中车唐山机车车辆有限公司 | Railway vehicle traction system and rail vehicle |
| CN107554313A (en) * | 2017-09-22 | 2018-01-09 | 中车唐山机车车辆有限公司 | Railway vehicle traction system and rail vehicle |
| WO2019056631A1 (en) * | 2017-09-22 | 2019-03-28 | 中车唐山机车车辆有限公司 | Rail vehicle traction system and rail vehicles |
| CN109878338A (en) * | 2017-12-06 | 2019-06-14 | 株洲中车时代电气股份有限公司 | A kind of off highway vehicle electric transmission method and system |
| CN109980767A (en) * | 2017-12-27 | 2019-07-05 | 株洲中车时代电气股份有限公司 | A kind of double dynamical powering mode seamless handover method of locomotive |
| WO2019128416A1 (en) * | 2017-12-27 | 2019-07-04 | 株洲中车时代电气股份有限公司 | Method for seamless switching between dual-power power supply modes of locomotive |
| CN109412469A (en) * | 2018-10-15 | 2019-03-01 | 中车大连机车车辆有限公司 | Traction current transformation system main circuit, control method and its system |
| CN109507988B (en) * | 2018-12-19 | 2022-01-21 | 株洲时代电子技术有限公司 | Network control system of rail engineering vehicle and application thereof |
| CN109507988A (en) * | 2018-12-19 | 2019-03-22 | 株洲时代电子技术有限公司 | A kind of track engineering vehicle network control system and its application |
| CN111806266A (en) * | 2020-05-29 | 2020-10-23 | 宁波中车新能源科技有限公司 | Energy storage type intermittent vehicle power supply system and power supply method |
| ES2884003A1 (en) * | 2020-06-05 | 2021-12-09 | Patentes Talgo S L U | Hybrid power systems for railway assemblies (Machine-translation by Google Translate, not legally binding) |
| CN114179624A (en) * | 2021-12-16 | 2022-03-15 | 西安中车永电电气有限公司 | Rail car traction power supply system powered by three-in-one hybrid energy |
| CN114179624B (en) * | 2021-12-16 | 2024-01-30 | 西安中车永电电气有限公司 | Three-in-one hybrid energy power supply rail car traction power supply system |
| CN114633640A (en) * | 2022-01-17 | 2022-06-17 | 中车青岛四方机车车辆股份有限公司 | Power switching system and method of railway vehicle and railway vehicle |
| CN114633640B (en) * | 2022-01-17 | 2023-09-26 | 中车青岛四方机车车辆股份有限公司 | Power switching system and method of railway vehicle and railway vehicle |
| CN115489570A (en) * | 2022-09-29 | 2022-12-20 | 中车大连机车车辆有限公司 | Internal-power double-source rail motor train unit passing neutral section stable control method and system |
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