CN105235536B - A kind of motor train unit traction system and energy control method - Google Patents
A kind of motor train unit traction system and energy control method Download PDFInfo
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- CN105235536B CN105235536B CN201510742981.1A CN201510742981A CN105235536B CN 105235536 B CN105235536 B CN 105235536B CN 201510742981 A CN201510742981 A CN 201510742981A CN 105235536 B CN105235536 B CN 105235536B
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- power supply
- supply grid
- trailer system
- power
- inversion module
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C3/00—Electric locomotives or railcars
Abstract
The invention discloses a kind of motor train unit traction system and energy control method, the trailer system includes：High-speed circuit breaker, it is connected with power supply grid；Primary/secondary inverter, it is connected by intermediate dc loop with high-speed circuit breaker, is to export after alternating current for the DC inverter that provides power supply grid；High pressure detection case, is connected with power supply grid, for being detected to the voltage of power supply grid；Motion control unit, the testing result based on high pressure detection case judge whether the voltage of power supply grid is normal, and in the overtension of power supply grid, disconnect high-speed circuit breaker, to carry out overvoltage protection to primary/secondary inverter.The present invention realizes application of the trailer system in the case where power supply grid scope range of the fluctuation of voltage is big, and uses main and auxiliary inverter integrated design scheme, simplifies circuit system, reduces product cost and fault rate.
Description
Technical field
The present invention relates to motor-car traction control technical field, specifically, is related to a kind of motor train unit traction system and energy
Control method.
Background technology
The power supply grid of existing production domesticization EMUs is single-phase 25kV/50Hz, and its trailer system is not suitable for other countries
Such as Georgia's railway DC3000V power network electric power systems.When the voltage range of power supply grid is beyond international standard IEC60850's
Regulation, it is totally unfavorable to system control and electric insulation.
In addition, existing production domesticization motor train unit traction system uses main and auxiliary current transformer separate mode, circuit devcie is more, into
This height, fault rate are high.
The content of the invention
To solve problem above, the invention provides a kind of motor train unit traction system and energy control method, to leading
Draw system and carry out overvoltage protection, and simplify system design, reduce product cost and fault rate.
According to an aspect of the invention, there is provided a kind of motor train unit traction system, including：
High-speed circuit breaker, it is connected with power supply grid；
Primary/secondary inverter, it is connected by intermediate dc loop with the high-speed circuit breaker, for provide power supply grid
DC inverter be alternating current after export；
High pressure detection case, it is connected with the power supply grid, for being detected to the voltage of power supply grid；
Motion control unit, the testing result based on the high pressure detection case judge whether the voltage of power supply grid is normal,
And in the overtension of power supply grid, the high-speed circuit breaker is disconnected, to carry out overvoltage guarantor to the primary/secondary inverter
Shield.
According to one embodiment of present invention, the high pressure detection case be provided with current-limiting resistance and with the current-limiting resistance string
Join voltage sensor, the voltage sensor is the voltage signal detected is exported to the motion control unit.
According to one embodiment of present invention, the primary/secondary inverter includes main inversion module and auxiliary inversion module, its
In, the main inversion module and the auxiliary inversion module are from the Support Capacitor both ends power taking in the intermediate dc loop, institute
It is to export to traction electric machine after alternating current that main inversion module, which is stated, by DC inverter, and the auxiliary inversion module is by DC inverter
To be exported after alternating current to assistant load.
According to one embodiment of present invention, the trailer system also includes the arrester being connected with power supply grid, to
Overvoltage protection is carried out to the trailer system when there is lightning surge.
According to one embodiment of present invention, the trailer system also includes the auxiliary being connected with the auxiliary inversion module
Filter cabinet, the alternating current transformation that the auxiliary filter cabinet is provided with three-phase LC filter circuits so that the auxiliary inversion module to be exported
And exported after filtering process to assistant load.
According to one embodiment of present invention, the trailer system also includes the braking electricity being connected with the main inversion module
Case is hindered, to consume the trailer system caused energy in braking procedure.
According to one embodiment of present invention, one and the intermediate dc loop are set in the intermediate dc circuit in series
On Support Capacitor form filter circuit feed(er) reactor case, with cause power supply grid export direct current through the line electricity
The primary/secondary inverter is reached after anti-device case and Support Capacitor filtering.
According to one embodiment of present invention, the low pressure that the trailer system also includes being connected with the auxiliary filter cabinet is matched somebody with somebody
Electric cabinet, to provide required operating voltage to assistant load.
According to another aspect of the present invention, a kind of energy control method for motor train unit traction system is additionally provided,
Including：
Detect the net pressure of power supply grid；
When the net pressure of power supply grid exceedes the maximum of predetermined voltage range when having detected machine, then connection power supply is disconnected
The high-speed circuit breaker of power network and trailer system, to forbid power supply grid to access trailer system so that control traction electric machine does not open
It is dynamic；
When the net pressure for detecting trailer system emerged in operation power supply grid exceedes the maximum of predetermined voltage range, then
Block trailer system simultaneously disconnects the high-speed circuit breaker, to forbid power supply grid to access trailer system so that control traction electricity
Machine power output linearly drops to zero；
When the net for detecting power supply grid is forced down in the maximum of the predetermined work voltage range of trailer system, institute is closed
High-speed circuit breaker is stated, power supply grid is accessed into trailer system, and causes power needed for trailer system output.
According to one embodiment of present invention so that power needed for trailer system output further comprises：
It is primary/secondary by controlling when detecting predetermined voltage working range of the net pressure of power supply grid in trailer system
The exchange electricity output of main inversion module causes traction electric machine to export rated power in inverter, by controlling in primary/secondary inverter
Auxiliary inversion module to assistant load output needed for power；
When the net pressure for detecting power supply grid is in the minimum value of the predetermined voltage working range less than trailer system
The first scope when, by the exchange electricity output for controlling the main inversion module in primary/secondary inverter so that traction electric machine output work
Rate is linearly slowly declined to the first ratio value of rated power, by controlling the auxiliary inversion module in primary/secondary inverter to auxiliary
Help power needed for load output；
When the net pressure for detecting power supply grid is in the second model of the minimum value of first scope less than trailer system
When enclosing, by the exchange electricity output for controlling the main inversion module in primary/secondary inverter so that under traction electric machine power output is linear
Zero is dropped to, by controlling power needed for the auxiliary inversion module in primary/secondary inverter to assistant load output.
Beneficial effects of the present invention：
The present invention is directed to the characteristics of power supply grid scope range of the fluctuation of voltage is big, and there is provided high pressure detection case to be powered power network net
Pressure limitation and safeguard measure, realize application of the trailer system in the case where power supply grid scope range of the fluctuation of voltage is big.Meanwhile this
Invention uses main and auxiliary inverter integrated design scheme, simplifies circuit system, reduces product cost and fault rate.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
Obtain it is clear that or being understood by implementing the present invention.The purpose of the present invention and other advantages can be by specification, rights
Specifically noted structure is realized and obtained in claim and accompanying drawing.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing required in technology description to do simple introduction：
Fig. 1 is existing single-phase 25kV/50Hz power supplies motor train unit traction system schematic diagram；And
Fig. 2 is a kind of motor train unit traction system schematic diagram according to an embodiment of the invention.
Embodiment
Embodiments of the present invention are described in detail below with reference to drawings and Examples, and how the present invention is applied whereby
Technological means solves technical problem, and the implementation process for reaching technique effect can fully understand and implement according to this.Need to illustrate
As long as not forming conflict, each embodiment in the present invention and each feature in each embodiment can be combined with each other,
The technical scheme formed is within protection scope of the present invention.
The power supply grid of existing production domesticization EMUs is single-phase 25kV/50Hz, the power supply of the power supply system and other countries
Standard is different.For example, the fluctuation range of Georgia's line voltage is DC1900V~DC4000V, wherein, the 3900V duration
More than 5 minutes, ceiling voltage was likely to be breached more than 4000V.Therefore, do not applied to for the trailer system of China's power supply grid development
In the DC3000V power network electric power systems of Georgia's railway.
For the present invention is better described, existing motor train unit traction system is illustrated first.It is as shown in Figure 1 China
Existing single-phase 25kV/50Hz power supplies motor train unit traction system schematic diagram.As illustrated, the trailer system uses main and auxiliary unsteady flow
Device separation scheme.PAN is pantograph, and VCB is high-speed circuit breaker, and TM is tractive transformer, and CI1 and CI2 are traction convertor etc..
Single-phase 25kV/50Hz supply voltages are powered after tractive transformer (TM) isolated buck to traction convertor (CI1 and CI2), warp
Four-quadrant pulse rectifier (4OS1 and 4OS2) is made into direct current, is then frequency conversion through three-phase inverter (INV1 and INV2) inversion
Traction electric machine (M1~M8) is driven after the three-phase alternating current of transformation.
Tractive transformer (TM) assists winding (AC400V) is powered to AuCT (APU), boosted transformer
(TR1), energy-storage reactor (ACL1), rectifier (CONVU) are transformed into direct current, are transformed into by inverter (INVU) and determine frequency level pressure
Three-phase alternating current, through sinusoidal filter (ACL2) filtering after export three-phase 400V/50Hz alternating currents, for aid in load supplying.
The technical scheme of the motor train unit traction system of the existing single-phase 25kV/50Hz power supply grids in China is applied to exchange and supplied
Power network, it is impossible to be used in direct current supply power network.Also, main and auxiliary current transformer/inverter separate mode in motor train unit traction system
Cost is high, device is more, circuit is complicated, fault rate is higher.
The DC1500V power supply railcar trailer systems in China at present, it is directed to DC1500V power supply grids, and
Main and auxiliary current transformer/inverter also uses separate mode in the trailer system, causes that the cost of trailer system is high, device is more, circuit
Complexity, fault rate are higher.
Therefore, the invention provides a kind of motor train unit traction system, with suitable for direct current supply power network electric power system.At this
Illustrated in invention by taking Georgia's railway DC3000V power network electric power systems as an example, but the invention is not restricted to the direct current network
Electric power system.
It is illustrated in figure 2 a kind of major-minor integrated trailer system principle of EMUs according to an embodiment of the invention
Figure, below with reference to Fig. 2, the present invention is described in detail.
It is single that the motor train unit traction system includes high-speed circuit breaker 1Q02, primary/secondary inverter, high pressure detection case and transmission control
First DCU.Wherein, high-speed circuit breaker is connected with power supply grid, for being switched on or switched off the company of primary/secondary inverter and power supply grid
Connect.Primary/secondary inverter is connected by intermediate dc loop with high-speed circuit breaker, for the DC inverter for providing power supply grid
To be exported after alternating current to corresponding load.High pressure detection case is connected with power supply grid, for the voltage progress to power supply grid
Detection.Motion control unit is connected with high pressure detection case, and the testing result based on high pressure detection case judges the voltage of power supply grid
It is whether normal, and in the overtension of power supply grid, control disconnects high-speed circuit breaker 1Q02, disconnect power supply grid with it is primary/secondary
The connection of inverter, to carry out overvoltage protection to primary/secondary inverter.
The high pressure detection case is internally provided with current-limiting resistance R5 and voltage sensor VH3, and current-limiting resistance R5 is used to limit stream
Enter the electric current of voltage sensor, for being protected to voltage sensor VH3.Voltage sensor VH3, which is used to detect in real time, to power
The voltage signal of power network, and voltage detection signal is sent to motion control unit DCU.Such as detect the net piezoelectricity of power supply grid
High (as more than DC4000V) is pressed through, then disconnects high-speed circuit breaker 1Q02.
As shown in Fig. 2 in one embodiment of the invention, primary/secondary inverter includes main inversion module and auxiliary inversion
Module, wherein, main inversion module and auxiliary inversion module is from the Support Capacitor Cd both ends power takings of middle DC loop, main inversion
Module intersects DC inverter DC inverter for three to traction electric machine, auxiliary inversion module to be exported after three-phase alternating current
Exported after stream electricity to assistant load.
Corresponding Georgia's voltage ripple of power network scope and the railway normal work under DC3000V voltages, master herein are inverse
Become module and auxiliary inversion module uses 6500V high pressure IGBT inversion modules, so as to realize high-voltage isulation function and draw auxiliary
Help inversion function.
In the present invention, main inversion module and auxiliary inversion module uses integrated design, and auxiliary inversion module is set
In in main inversion module casing, from the both ends power taking of middle DC loop Support Capacitor as main inversion module, so as to simplify
System circuit design, reduces product cost and fault rate.As shown in Figure 2, it is generally the case that set on intermediate dc loop
It is equipped with an electric capacitor Cd (common Support Capacitor).The electric capacity has had filter capacitor (smooth voltage waveform) and energy storage electricity concurrently
The effect held and (provide transient heavy current demand).Electric capacitor Cd and its fixed discharge resistance R4 etc. form intermediate dc and returned
Road, the intermediate dc loop are connected by dc bus P and N with power supply grid.
Dc bus P sides are typically provided with a main contactor KM1, and connection or cut-out are controlled by motion control unit DCU
Inverter power supply and inverter.Meanwhile also set up an auxiliary circuit：One is made up of charging contactor KM2, charging resistor R1
Pre-charge circuit, complete the pre-charging functions to electric capacitor Cd.In addition, general also propose one isolation of setting in dc bus side
Switch QS1 and carry out electrical separation, in maintenance of electrical equipment, to ensure the personal safety of attendant.
The net pressure that power supply grid provides reaches main inversion module and auxiliary inversion module through intermediate dc loop.Main inversion mould
The DC inverter that block provides intermediate dc loop is the alternating current of three phase variable frequency transformation, is powered for traction motor.Auxiliary
The DC inverter that inversion module provides intermediate dc loop is the alternating current that three-phase determines frequency level pressure, to aid in load supplying.
Under normal circumstances, to protect in power system various electric equipments from lightning surge, switching overvoltage, power frequency
Transient overvoltage impacts and damaged, and setting one is in parallel with protected equipment typically between the cable and the earth of power supply grid
Arrester 1F01, as shown in Figure 2.When there is lightning surge, arrester 1F01 generations action is with by overvoltage and overcurrent
By importing the earth, the communications cable or equipment are protected.
To meet requirement of the EMUs assistant load to supply voltage harmonic, it is necessary to the electricity exported to auxiliary inversion module
Pressure is supplied to each load after carrying out decompression and filtering process.Therefore, in one embodiment of the invention, the trailer system is also
Including the auxiliary filter cabinet being connected with auxiliary inversion module.The auxiliary filter cabinet is used for the alternating current for exporting auxiliary inversion module
Exported after the processing of buckling pressure and filtering process to assistant load.
The auxiliary filter cabinet is connected including the auxiliary transformer T1 by being connected with auxiliary inversion module, with auxiliary transformer T1
Extension filter, auxiliary transformer isolation contactor K1 and earthing detection resistance form three-phase LC filter circuits, to
Exported after alternating current transformation and filtering to the output of auxiliary inversion module to assistant load.As shown in Fig. 2 three-phase LC filtered electricals
The auxiliary transformer T1 with leakage reactance, auxiliary filter electric capacity C1, isolation contactor K1 and earthing detection resistance etc. part is route to form,
The decompression, filtering and detection of subordinate inverter module output voltage, wherein auxiliary transformer T1 integrating filterings reactance can be realized
Device, three-phase LC filter circuits are formed with auxiliary filter capacitor C1.
In one embodiment of the invention, the trailer system also includes the braking resistor box being connected with main inversion module,
To consume trailer system in energy caused by braking procedure.Specifically, as shown in Fig. 2 braking resistor in braking resistor box
Energy caused by traction electric machine in braking procedure is converted into thermal energy consumption and fallen by 1R01 and 1R02.
In one embodiment of the invention, one and the branch on intermediate dc loop are arranged in series on intermediate dc loop
Support electric capacity form filter circuit feed(er) reactor case L, with cause power supply grid export direct current via line reactor box and
Main inversion module and auxiliary inversion module is reached after Support Capacitor filtering.As shown in Fig. 2 feed(er) reactor case L is arranged on support
Intermediate dc loop where electric capacity Cd, dc bus output direct current via line reactor box L after reach main inversion module
1st, main inversion module 2 and auxiliary inversion module.The feed(er) reactor is as impedance loop, short circuit or over current fault is occurring
When suppress the electric current rate of climb, high-frequency harmonic current reflux power network caused by inverter side can also be prevented.
In one embodiment of the invention, the trailer system also includes the low-voltage distribution cabinet being connected with auxiliary filter cabinet,
Powered to configure to assistant loads such as charger, compressor, air-conditioning, blower fans.
In addition, motion control unit except control main inversion module and auxiliary inversion module from middle DC loop power taking simultaneously
Inversion is alternating current, net pressure signal is judged and provided to protect instruction outer, also receives driver's control instruction, the car of controller
The MVB communications of the train control command of node control unit, the brake control signal of brak control unit, train TMS networks
Data, and traction electric machine, cooling blower, high-speed circuit breaker etc. are controlled.
According to another aspect of the present invention, a kind of energy flow method for motor train unit traction system is additionally provided,
This method is limiting the power output method of traction electric machine.
First, the net pressure of power supply grid is detected.It can be controlled by the high pressure detection case being arranged in trailer system and transmission
Unit processed obtains the real-time voltage of power supply grid.
When the net pressure of power supply grid exceedes the maximum of predetermined voltage range when having detected machine, then connection power supply is disconnected
The high-speed circuit breaker of power network and trailer system, control traction electric machine does not start, to forbid power supply grid to access trailer system, with
Overvoltage protection is carried out to primary/secondary inverter, now traction electric machine power output is zero.
When the net pressure for detecting trailer system emerged in operation power supply grid exceedes the maximum of predetermined voltage range, then
Block trailer system simultaneously disconnects the high-speed circuit breaker, to forbid power supply grid to access trailer system, with to primary/secondary inverter
Carry out overvoltage protection so that traction electric machine power output linearly drops to zero.Such as mains voltage range is risen by DC3900
During to DC4000V, it by rated power linear decline is 0 that traction electric machine, which answers power output limit value, auxiliary inversion during more than DC4000V
Module and auxiliary equipment are stopped.
When the net for detecting power supply grid is forced down in the maximum of the predetermined work voltage range of trailer system, high quick-break
Road device closure, power supply grid is accessed into trailer system, power needed for control trailer system output.
Specifically, when in predetermined voltage working range of the net pressure in trailer system for detecting power supply grid, pass through
The exchange electricity output of main inversion module in primary/secondary inverter is controlled to cause traction electric machine to export rated power, auxiliary inversion module
Power is to auxiliary equipment needed for exporting.For example, corresponding Georgia's power supply grid, when mains voltage range be DC3000~
During DC3900V, the exportable rated power of traction electric machine.
When the net pressure for detecting power supply grid is in the of the minimum value of the predetermined voltage working range less than trailer system
During one scope, by the exchange electricity output for controlling the main inversion module in primary/secondary inverter so that traction electric machine output power line
Property is slowly declined to the first ratio value of rated power, auxiliary inversion module export needed for power to auxiliary equipment.First model
Enclose the predetermined voltage working range close to trailer system.For example, when line voltage drops to DC2000V by DC3000, traction electricity
Machine answers power output limit value to linearly decrease to 60% by rated power, auxiliary inversion module and auxiliary equipment normal work.
When the net pressure for detecting power supply grid is in the second scope outside first scope less than trailer system, lead to
Cross the exchange electricity output of the main inversion module controlled in primary/secondary inverter so that traction electric machine power output linearly drops to 0,
And auxiliary inversion module and auxiliary equipment normal work.For example, when line voltage drops to DC1900V by DC2000, traction electricity
Machine power output limit value is 0 by rated power linear decline, auxiliary inversion module and auxiliary equipment normal work.
While it is disclosed that embodiment as above, but described content only to facilitate understand the present invention and adopt
Embodiment, it is not limited to the present invention.Any those skilled in the art to which this invention pertains, this is not being departed from
On the premise of the disclosed spirit and scope of invention, any modification and change can be made in the implementing form and in details,
But the scope of patent protection of the present invention, still should be subject to the scope of the claims as defined in the appended claims.
Claims (1)
1. a kind of energy control method for motor train unit traction system, including：
Detect the net pressure of power supply grid；
When the net pressure of power supply grid exceedes the maximum of predetermined voltage range when having detected machine, then connection power supply grid is disconnected
With the high-speed circuit breaker of trailer system, to forbid power supply grid access trailer system so that control traction electric machine do not start；
When the net pressure for detecting trailer system emerged in operation power supply grid exceedes the maximum of predetermined voltage range, then block
Trailer system simultaneously disconnects the high-speed circuit breaker, to forbid power supply grid to access trailer system so that control traction electric machine is defeated
Go out power linear and drop to zero；
When the net for detecting power supply grid is forced down in the maximum of the predetermined work voltage range of trailer system, the height is closed
Fast breaker, power supply grid is accessed into trailer system, and cause power needed for trailer system output,
Wherein so that power needed for trailer system output further comprises：
When detecting predetermined voltage working range of the net pressure of power supply grid in trailer system, by controlling primary/secondary inversion
The exchange electricity output of main inversion module causes traction electric machine to export rated power in device, auxiliary in primary/secondary inverter by controlling
Help power needed for inversion module to assistant load output；
When the net pressure for detecting power supply grid is in the of the minimum value of the predetermined voltage working range less than trailer system
During one scope, by the exchange electricity output for controlling the main inversion module in primary/secondary inverter so that traction electric machine output power line
Property be slowly declined to the first ratio value of rated power, by controlling the auxiliary inversion module in primary/secondary inverter negative to auxiliary
Carry power needed for output；
When the net pressure for detecting power supply grid is in the second scope of the minimum value of first scope less than trailer system,
By the exchange electricity output for controlling the main inversion module in primary/secondary inverter so that traction electric machine power output linearly drops to
Zero, by controlling power needed for the auxiliary inversion module in primary/secondary inverter to assistant load output.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510742981.1A CN105235536B (en) | 2015-11-04 | 2015-11-04 | A kind of motor train unit traction system and energy control method |
| GEAP2016014637 GEP20197036B (en) | 2015-11-04 | 2016-10-18 | Motor train unit traction system and energy control method |
| PCT/CN2016/102425 WO2017076161A1 (en) | 2015-11-04 | 2016-10-18 | Motor train unit traction system and energy control method |
| ZA2017/08164A ZA201708164B (en) | 2015-11-04 | 2017-11-30 | Motor train unit traction system and energy control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510742981.1A CN105235536B (en) | 2015-11-04 | 2015-11-04 | A kind of motor train unit traction system and energy control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105235536A CN105235536A (en) | 2016-01-13 |
| CN105235536B true CN105235536B (en) | 2017-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510742981.1A Active CN105235536B (en) | 2015-11-04 | 2015-11-04 | A kind of motor train unit traction system and energy control method |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN105235536B (en) |
| GE (1) | GEP20197036B (en) |
| WO (1) | WO2017076161A1 (en) |
| ZA (1) | ZA201708164B (en) |
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| CN105235536B (en) * | 2015-11-04 | 2017-11-28 | 株洲中车时代电气股份有限公司 | A kind of motor train unit traction system and energy control method |
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| CN201890228U (en) * | 2010-11-18 | 2011-07-06 | 南车资阳机车有限公司 | Diesel generator and storage battery hybrid power alternating-current drive locomotive control system |
| ES2600510T3 (en) * | 2011-12-12 | 2017-02-09 | Mitsubishi Electric Corporation | Electric vehicle drive system |
| KR101560995B1 (en) * | 2012-03-28 | 2015-10-15 | 미쓰비시덴키 가부시키가이샤 | Rail vehicle system |
| CN202737728U (en) * | 2012-09-06 | 2013-02-13 | 株洲南车时代电气股份有限公司 | Main and auxiliary integrated traction converter |
| CN202856629U (en) * | 2012-09-24 | 2013-04-03 | 株洲南车时代电气股份有限公司 | Locomotive converter |
| CN102866288B (en) * | 2012-10-17 | 2016-03-02 | 株洲南车时代电气股份有限公司 | A kind of voltage check device and a kind of electric locomotive power supply system |
| CN204586534U (en) * | 2015-05-08 | 2015-08-26 | 株洲南车时代电气股份有限公司 | A kind of train traction converter plant |
| CN105235536B (en) * | 2015-11-04 | 2017-11-28 | 株洲中车时代电气股份有限公司 | A kind of motor train unit traction system and energy control method |
-
2015
- 2015-11-04 CN CN201510742981.1A patent/CN105235536B/en active Active
-
2016
- 2016-10-18 WO PCT/CN2016/102425 patent/WO2017076161A1/en active Application Filing
- 2016-10-18 GE GEAP2016014637 patent/GEP20197036B/en unknown
-
2017
- 2017-11-30 ZA ZA2017/08164A patent/ZA201708164B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ZA201708164B (en) | 2019-06-26 |
| GEP20197036B (en) | 2019-10-25 |
| CN105235536A (en) | 2016-01-13 |
| WO2017076161A1 (en) | 2017-05-11 |
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