CN107150695B - Dual-energy source alternating current drive locomotive control and locomotive with the system - Google Patents
Dual-energy source alternating current drive locomotive control and locomotive with the system Download PDFInfo
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- CN107150695B CN107150695B CN201710419392.9A CN201710419392A CN107150695B CN 107150695 B CN107150695 B CN 107150695B CN 201710419392 A CN201710419392 A CN 201710419392A CN 107150695 B CN107150695 B CN 107150695B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
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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
- 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
- B60L50/16—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with provision for separate direct mechanical propulsion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C7/00—Other locomotives or motor railcars characterised by the type of motive power plant used; Locomotives or motor railcars with two or more different kinds or types of motive power
- B61C7/04—Locomotives or motor railcars with two or more different kinds or types of engines, e.g. steam and IC engines
-
- 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
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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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
-
- 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
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Automation & Control Theory (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
The invention discloses a kind of Dual-energy source alternating current drive locomotive controls, comprising: power control unit and combustion engine control, power control unit and combustion engine control are all connected with control device for inverter；Driver controller, for controlling the work of one of combustion engine control, power control unit；For detecting the sensor of the revolving speed of diesel engine and the voltage of generator, sensor is connect with combustion engine control, and when the voltage of the revolving speed of diesel engine and generator reaches setting value, combustion engine control controls control device for inverter and adjusts output power.Power control unit and combustion engine control pass through the same driver controller and control, to realize that locomotive works under internal combustion and electric power both of which, under internal combustion engine powering mode, the passive adjusting of power in the prior art can be avoided, to realize set speed adjustment control and power control.The present invention also provides a kind of locomotives including above-mentioned Dual-energy source alternating current drive locomotive control.
Description
Technical field
The present invention relates to rail locomotive technical fields, more specifically to a kind of Dual-energy source alternating current drive locomotive control
System processed and locomotive with the system.
Background technique
Currently, domestic rail locomotive industry uses the track of two kinds of energy forms of vehicle IC unit and electric network source driving
Traction locomotive is less, and under power grid powering mode and internal combustion unit powering mode, the control system of vehicle is consistent, i.e., in internal combustion engine
Under group power supply traction mode, vehicle grade control system still uses the traction generator under contact net powering mode, internal combustion unit
Using fixed speed control, internal combustion unit control system is independently of vehicle, i.e. individually control.
The advantages of which, is that whole-control system is relatively simple, integration is easier to.But existing deficiency is: internal combustion engine
Group cannot adjust the speed, and be in rated speed always, so that abrasion increase in the case of causing unit unloaded or underloading, oil consumption increases, makes an uproar
Sound increases, this influences relatively high power diesel engine unit obvious；Internal combustion unit is not in accordance with power limitation control, under rated speed
Power performance is insufficient, and efficiency can reduce；Since under internal combustion unit powering mode, vehicle grade control system does not include internal combustion unit
Control, internal combustion unit output power be " passive " meet load power demand, therefore the fluctuation of speed is larger, stability compared with
Difference.
Problem above operates in the shunter under idling operation for relatively high power diesel engine unit and long period
It says, place that there are many shortcomings.
It is current art technology in conclusion how to provide a kind of control system of Dual-energy source alternating current drive locomotive
Personnel's urgent problem to be solved.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of Dual-energy source alternating current drive locomotive control, the control system
The active that system can be realized both of which is adjusted, and the power regulation and control of unit may be implemented.
In addition, it is a further object of the present invention to provide a kind of locomotives including above-mentioned control system.
To achieve the goals above, the invention provides the following technical scheme:
A kind of Dual-energy source alternating current drive locomotive control, comprising:
Power control unit for controlling traction invertor work, the internal combustion for controlling diesel engine and generator work
Machine control device, the power control unit and the combustion engine control are all connected with control device for inverter；
Driver controller, for controlling the work of one of the combustion engine control, described power control unit；
For detecting the sensor of the revolving speed of the diesel engine and the voltage of the generator, the sensor with it is described interior
The connection of combustion engine control device, when the voltage of the revolving speed of the diesel engine and the generator reaches setting value, the internal combustion
Machine control device controls the control device for inverter and adjusts output power.
Preferably, the sensor includes speed probe and voltage sensor, and the speed probe is set to the bavin
Oil machine and the generator interconnecting piece, the voltage sensor be set to the generator output end, the speed probe and
The voltage sensor is connect with the combustion engine control.
Preferably, the combustion engine control connects the diesel engine by electronic Control for Diesel Engine device；
The combustion engine control connects the generator by generator voltage control device.
Preferably, the electronic Control for Diesel Engine device connects the speed probe, the generator voltage control dress
Set the connection voltage sensor.
Preferably, the driver controller connects the power control unit and internal combustion engine control dress by change-over switch
It sets, the driver controller control connects the change-over switch.
Preferably, the generator by fairing connect the traction invertor and/or the generator pass through it is whole
It flows device and connects subordinate inverter.
Preferably, the combustion engine control further includes power adjustment apparatus and for detecting internal combustion unit output power
Detection device, the detection device connect with the power adjustment apparatus；
It is P+ △ P when the power adjustment apparatus controls the combustion engine control to be conveyed to the power of internal combustion unit,
And when detecting the internal combustion unit output power is P+ △ P, the power adjustment apparatus controls the internal combustion engine control dress
Setting and being conveyed to the power of the control device for inverter is P；
Wherein, P is the power of the level signal of driver controller output, and the △ P is preset threshold.
Preferably, the power adjustment apparatus includes the delay time set for postponing control, the delay and fashionable dress
It sets and is conveyed to the inverter for making the power adjustment apparatus control the combustion engine control after preset time period
Control device.
A kind of locomotive, including control system, the control system are that Dual-energy source described in above-mentioned any one exchanges fax
Motivation vehicle control.
In Dual-energy source alternating current drive locomotive control provided by the invention, when vehicle is under power grid traction mode,
Driver controller sends level signal to power control unit, and level signal is directly sent to inverter control by power control unit
Device processed, control device for inverter are adjusted according to the output that pulling figure carries out power.When vehicle is in internal combustion engine traction mode
Under, driver controller sends level signal to combustion engine control, and level signal is sent respectively to by combustion engine control
Diesel engine and generator.
Above-mentioned power control unit and combustion engine control pass through the same driver controller and control, to realize machine
Vehicle works under internal combustion and electric power both of which, under internal combustion engine powering mode, can be avoided the passive of power in the prior art
It adjusts, to realize set speed adjustment control and power control.
The present invention also provides a kind of locomotives including above-mentioned Dual-energy source alternating current drive locomotive control.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of schematic diagram of Dual-energy source alternating current drive locomotive control provided by the present invention；
Fig. 2 is the control flow schematic diagram of system provided by the present invention.
In Fig. 1-2:
1 it is driver controller, 2 be central control unit, 21 be power control unit, 22 be combustion engine control, 3 is
Control device for inverter, 4 be electronic Control for Diesel Engine device, 5 be generator voltage control device, 6 be speed probe, 7 be
Voltage sensor, 8 are change-over switch.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Core of the invention is to provide a kind of Dual-energy source alternating current drive locomotive control, which can be realized
The active of both of which is adjusted, and the power regulation and control of unit may be implemented.
In addition, another core of the invention is to provide a kind of locomotive including above-mentioned control system.
Fig. 1 and Fig. 2 are please referred to, Fig. 1 is a kind of Dual-energy source alternating current drive locomotive control provided by the present invention
Schematic diagram；Fig. 2 is the control flow schematic diagram of system provided by the present invention.
A kind of control system of Dual-energy source alternating current drive locomotive provided by the present invention mainly includes power control unit
21, combustion engine control 22, driver controller 1 and sensor.
Wherein, power control unit 21 is for controlling traction invertor work, and combustion engine control 22 is for controlling bavin
Oil machine and generator work, power control unit 21 and combustion engine control 22 are all connected with control device for inverter 3；
Driver controller 1 is used to send control signal to combustion engine control 22, power control unit 21, to control
The work of one of combustion engine control 22, power control unit 21, and for switching combustion engine control 22 or electric power
Control device 21 works；
Sensor is used to detect the revolving speed of diesel engine and the voltage of generator, and sensor and combustion engine control 22 connect
It connects, when the voltage of the revolving speed of diesel engine and generator reaches setting value, combustion engine control 22 controls inverter control
Device adjusts output power.
It should be noted that above-mentioned power control unit 21 and combustion engine control 22 are central control unit 2
A part, and connect with driver controller 1, power control unit 21 and combustion engine control 22 pass through the same driver
Controller 1 controls.
When vehicle is under power grid traction mode, driver controller 1 sends level signal, electric power to power control unit 21
Level signal is directly sent to control device for inverter 3 by control device 21, and control device for inverter is carried out according to pulling figure
The output of power is adjusted.
When vehicle is under internal combustion engine traction mode, driver controller 1 sends level signal to combustion engine control 22,
Level signal is sent respectively to diesel engine and generator by combustion engine control 22.Meanwhile sensor obtains turning for diesel engine
The voltage of speed and generator, and above-mentioned revolving speed and voltage are sent to combustion engine control 22, when above-mentioned revolving speed and voltage reach
When to setting value, combustion engine control 22 controls control device for inverter and adjusts output power, wherein output power be with it is upper
The output power of revolving speed and voltage matches is stated, so that output power meets locomotive tractive characteristic curve.
Above-mentioned power control unit 21 and combustion engine control 22 are controlled by the same driver controller 1, so as to
It realizes that locomotive works under internal combustion and electric power both of which, under internal combustion engine powering mode, can be avoided power in the prior art
Passive adjusting, to realize set speed adjustment control and power control.
On the basis of above-described embodiment, sensor includes speed probe and voltage sensor, and speed probe is set
In diesel engine and generator interconnecting piece, voltage sensor is set to the output end of generator, and speed probe and voltage sensor are equal
It is connect with combustion engine control 22.It should be noted that above-mentioned two sensor is separately positioned at diesel engine and generator,
To detect diesel engine speed and generator voltage respectively, and the data result that will test is sent to combustion engine control 22.
Optionally, the sensor may be the acquisition device connecting with vehicle electronic controlling device, for by vehicle
The revolving speed of diesel engine and the voltage of generator are obtained at electronic control unit.
On the basis of any one above-mentioned embodiment, combustion engine control 22 passes through electronic Control for Diesel Engine device
4 connection diesel engines；Combustion engine control 22 connects generator by generator voltage control device 5.
Optionally, control device can be external device, also can be set in the inside of controlled device, diesel engines
Settable electronic Control for Diesel Engine device 4, the settable electric moter voltage control device 5 in the inside of generator.
On the basis of above-described embodiment, electronic Control for Diesel Engine device 4 connects speed probe, generator voltage control
Device 5 processed connects voltage sensor.
When vehicle is under internal combustion engine traction mode, level signal is sent respectively to diesel engine by combustion engine control 22
Electronic control unit 4 and generator voltage control device 5, electronic Control for Diesel Engine device 4 (diesel engine ECM system) connect diesel oil
Machine, generator voltage control device 5 (generator AVR system) connect generator, and level signal is filled by electronic Control for Diesel Engine
Set 4 and generator voltage control device 5 establish the revolving speed of diesel engine and the voltage of generator respectively.When above-mentioned revolving speed and voltage reach
When to setting value, combustion engine control 22 controls control device for inverter and adjusts output power, wherein output power be with it is upper
The output power of revolving speed and voltage matches is stated, so that output power meets locomotive tractive characteristic curve.
On the basis of above-described embodiment, driver controller 1 connects power control unit 21 and interior by change-over switch 8
Combustion engine control device 22, the control connection change-over switch 8 of driver controller 1.It should be noted that above-mentioned change-over switch 8 can be
Selection switch, to realize that driver controller 1 is only connect with one of the two；Or change-over switch 8 is opened including at least two
Close, be located at power control unit 21, combustion engine control 22 connection circuit in, for realizing driver controller 1
Control respectively to power control unit 21, combustion engine control 22.
Optionally, generator is connected by fairing connection traction invertor and/or generator by fairing auxiliary
Help inverter.
In order to control bearing power in a certain range, on the basis of any one above-mentioned embodiment, internal combustion engine control
Device 22 processed further includes power adjustment apparatus and the detection device for detecting internal combustion unit output power, detection device and power
Adjust device connection.
It is P+ △ P when power adjustment apparatus controls combustion engine control 22 to be conveyed to the power of internal combustion unit, and when inspection
Measure internal combustion unit output power be P+ △ P when, power adjustment apparatus control combustion engine control 22 be conveyed to internal combustion unit
Power be P；Wherein, P is the power for the level signal that driver controller 1 exports, and △ P is preset threshold.
Specifically, it powers under traction mode in internal combustion engine group, the corresponding power of level signal that driver controller 1 provides is defeated
It is P out, it is contemplated that preset threshold △ P, then the combustion engine control 22 of central control unit of locomotive (CCU) is exported to internal combustion engine
The power of group should be P+ △ P, and internal combustion unit is realized according to the power of acquisition and exported, and is worked as and detected internal combustion unit output power
After reaching P+ △ P, it is P that combustion engine control 22, which controls the power output that control device for inverter 3 provides,.Preset threshold △ P
It mainly include the energy loss etc. in the other loads powered using the internal combustion unit and energy transfer process.
Optionally, power adjustment apparatus includes postponing timely device for making power tune for controlling delay time set
Engagement positions control combustion engine control 22 after preset time period and are conveyed to control device for inverter 3.
Specifically, when the detection device connecting with combustion engine control 22 detects that internal combustion unit output power reaches P+
After △ P, after suitable time-delay being made, then power output is instructed and is sent to inverter control unit 3, to guarantee internal combustion unit
The reliability of work.
Internal combustion unit can operate in different revolving speeds under different capacity need state in above-described embodiment, reduce existing
There are noise, oil consumption and the mechanical wear of battery trolley locomotive internal combustion unit, to meet heavy duty group power supply in Dual-energy source
Application on locomotive.
Above example implements under diesel electric traction mode, the power of traction electric machine can follow internal combustion unit to export
The variation of power avoids unit and turns so that load power demand is all supplied no more than the power of internal combustion unit at any time
The larger fluctuation of speed.
In addition to Dual-energy source alternating current drive locomotive control provided by above-mentioned each embodiment, the control system its
Refer to the prior art for his structure of each section, or the scheme with reference to provided by attached drawing, in addition to above-mentioned Dual-energy source alternating current drive
Locomotive control, the present invention also provides a kind of locomotive, which includes control system, control system be it is above-mentioned any one
Dual-energy source alternating current drive locomotive control described in embodiment, repeats no more herein.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Dual-energy source alternating current drive locomotive control provided by the present invention and locomotive are described in detail above.
Used herein a specific example illustrates the principle and implementation of the invention, and the explanation of above embodiments is only used
In facilitating the understanding of the method and its core concept of the invention.It should be pointed out that for those skilled in the art,
Without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention, these improvement and modification
It falls into the protection scope of the claims in the present invention.
Claims (9)
1. a kind of Dual-energy source alternating current drive locomotive control characterized by comprising
Power control unit (21) for controlling traction invertor work, the internal combustion for controlling diesel engine and generator work
Machine control device (22), the power control unit (21) and the combustion engine control (22) are all connected with inverter control dress
Set (3)；
Driver controller (1), for controlling one of the combustion engine control (22), described power control unit (21)
Work；
For detecting the sensor of the revolving speed of the diesel engine and the voltage of the generator, the sensor and the internal combustion engine
Control device (22) connection, when the voltage of the revolving speed of the diesel engine and the generator reaches setting value, the internal combustion
Machine control device (22) controls the control device for inverter (3) and adjusts output power.
2. Dual-energy source alternating current drive locomotive control according to claim 1, which is characterized in that the sensor packet
Speed probe and voltage sensor are included, the speed probe is set to the diesel engine and the generator interconnecting piece, described
Voltage sensor is set to the output end of the generator, the speed probe and the voltage sensor with the internal combustion engine
Control device (22) connection.
3. Dual-energy source alternating current drive locomotive control according to claim 2, which is characterized in that the internal combustion engine control
Device (22) processed connects the diesel engine by electronic Control for Diesel Engine device (4)；The combustion engine control (22) passes through
Generator voltage control device (5) connects the generator.
4. Dual-energy source alternating current drive locomotive control according to claim 3, which is characterized in that the diesel engine electric
Sub- control device (4) connects the speed probe (6), and the generator voltage control device (5) connects the voltage sensor
Device (7).
5. Dual-energy source alternating current drive locomotive control according to claim 4, which is characterized in that driver's control
Device (1) connects the power control unit (21) and combustion engine control (22), driver's control by change-over switch (8)
Device (1) control connects the change-over switch (8).
6. Dual-energy source alternating current drive locomotive control according to claim 5, which is characterized in that the generator is logical
Over commutation device connects the traction invertor and/or the generator and connects subordinate inverter by fairing.
7. according to claim 1 to Dual-energy source alternating current drive locomotive control described in 6 any one, which is characterized in that
The combustion engine control (22) further includes power adjustment apparatus and the detection device for detecting internal combustion unit output power,
The detection device is connect with the power adjustment apparatus；
It is P+ △ P when the power adjustment apparatus controls the combustion engine control (22) to be conveyed to the power of internal combustion unit,
And when detecting the internal combustion unit output power is P+ △ P, the power adjustment apparatus controls the internal combustion engine control dress
Setting (22) and being conveyed to the power of the control device for inverter (3) is P；
Wherein, P is the power of the level signal of the driver controller (1) output, and the △ P is preset threshold.
8. Dual-energy source alternating current drive locomotive control according to claim 7, which is characterized in that the power adjustment
Device includes the delay time set for postponing control, and the delay time set is for making the power adjustment apparatus pre-
If controlling the combustion engine control (22) after the period is conveyed to the control device for inverter (3).
9. a kind of locomotive, including control system, which is characterized in that the control system is described in claim 1 to 8 any one
Dual-energy source alternating current drive locomotive control.
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| CN201710419392.9A CN107150695B (en) | 2017-06-06 | 2017-06-06 | Dual-energy source alternating current drive locomotive control and locomotive with the system |
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| CN201710419392.9A CN107150695B (en) | 2017-06-06 | 2017-06-06 | Dual-energy source alternating current drive locomotive control and locomotive with the system |
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| CN107554539B (en) * | 2017-09-15 | 2019-06-11 | 中车株洲电力机车有限公司 | A kind of detection vehicle and its detection vehicle group |
| 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 |
| CN111169488B (en) * | 2019-12-30 | 2021-11-16 | 四川锐智电气科技有限公司 | General locomotive control system |
| CN111703443B (en) * | 2020-05-29 | 2021-03-26 | 中车株洲电力机车有限公司 | Hybrid locomotive and energy balance control method and system thereof |
| CN114000953B (en) * | 2021-11-25 | 2023-05-02 | 中车大连机车车辆有限公司 | Diesel engine rotating speed control method suitable for internal electric double-source motor train unit |
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| CN105398455A (en) * | 2015-11-17 | 2016-03-16 | 南车株洲电力机车有限公司 | Double-power-source haulage motor and power control system thereof |
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| CN107150695A (en) | 2017-09-12 |
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