CN208923831U - A kind of alternating current-direct current mixed support power supply system - Google Patents
A kind of alternating current-direct current mixed support power supply system Download PDFInfo
- Publication number
- CN208923831U CN208923831U CN201821868656.5U CN201821868656U CN208923831U CN 208923831 U CN208923831 U CN 208923831U CN 201821868656 U CN201821868656 U CN 201821868656U CN 208923831 U CN208923831 U CN 208923831U
- Authority
- CN
- China
- Prior art keywords
- bus
- middle pressure
- direct current
- high voltage
- energy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model provides a kind of alternating current-direct current mixed support power supply system, and alternating current-direct current mixed support power supply system includes: middle pressure energy source router, high voltage dc bus, middle pressure DC bus, middle pressure ac bus；Alternating current-direct current mixed support power supply system is train and the load supplying of train by middle pressure energy source router；Middle pressure energy source router is connected to high voltage dc bus, middle pressure DC bus, middle pressure ac bus, by being connected to middle pressure ac bus, for providing alternating current for the load of train, by being connected to middle pressure DC bus, for providing direct current for the load of train.The utility model embodiment is by middle pressure energy source router instead of traditional exchange auxiliary power supply system, having evaded uncontrollable rectifier load leads to a series of problems caused by alternating voltage distortion, includes reducing system effectiveness, introducing harmonic loss and torque pulsation for other AC loads.
Description
Technical field
The utility model relates to rail vehicle on-board electrical systems fields more particularly to a kind of alternating current-direct current mixed support to power
System.
Background technique
With the development in pluralism of train and railway technology, rail traffic shows more and more types, not only throughout
In the land transport of long range, also it is widely used in the urban public transport of short-distance and medium-distance.Wherein, traction-auxiliary system is
The important mobile unit of rail vehicle, trailer system provide traction power using traction convertor as core apparatus, for vehicle, auxiliary
System is threephase loads and the part single-phase loads such as whole-vehicle air-conditioner, air compressor, cooling blower using AuCT as core
AC power source is provided.DC inverter at three-phase alternating current, is realized through transformer and is become by the subordinate inverter in AuCT
Pressure and isolation obtain power frequency three-phase alternating current after the sinusoidal filter filtering constituted through inductance, capacitor, are all friendships of train
Flow device power supply.It is load supplying that auxiliary system, which mostly uses the mode of AC output parallel connection to form 380V ac bus, and exchange is negative
Load mainly has the equipment such as air-conditioning, charger, cooling blower.And in city rail vehicle, the loads such as convertible frequency air-conditioner and charger are adopted more
It is first direct current by 380V AC rectification with the mode of uncontrollable rectifier, then carries out the transformation of electrical energy of rear stage again.
However the use of the rectification link of the prior art, transformation of electrical energy link is on the one hand increased, system effectiveness is reduced,
On the other hand the problem of causing harmonic pollution and voltage distortion.And system is assisted using the framework limitation of single 380V ac bus
The promotion for performance of uniting, also has too many difficulties to cope in flexibility.
Utility model content
In order to reduce the link of transformation of electrical energy, electric energy loss is reduced, the flexibility of auxiliary system performance is improved, this is practical new
Type embodiment provides a kind of alternating current-direct current mixed support power supply system, which includes: middle pressure energy source router, high voltage direct current mother
Line, middle pressure DC bus, middle pressure ac bus；
The alternating current-direct current mixed support power supply system is train and the load supplying of train by middle pressure energy source router；
Medium pressure energy source router is connected to high voltage dc bus, middle pressure DC bus, middle pressure ac bus, passes through company
It is connected to middle pressure ac bus, for providing alternating current for the load of train, by being connected to middle pressure DC bus, for being train
Load provide direct current.
Further, middle pressure energy source router includes: middle pressure alternating current unit, middle pressure direct current component；
Medium pressure energy source router is connected to middle pressure ac bus by medium pressure alternating current unit, for for train
Load provides alternating current, and medium pressure energy source router is connected to middle pressure DC bus by medium pressure direct current component, is used for
Direct current is provided for the load of train.
Further, further includes: energy storage device；
The energy storage device connects the high voltage dc bus, for powering for the high voltage dc bus；Or
The energy storage device connects medium pressure DC bus, is the high voltage direct current by medium pressure energy source router
Bussed supply.
Further, energy storage device includes: energy storage electrical energy changer and energy-storage travelling wave tube；
The energy-storage travelling wave tube is connected to high voltage dc bus by the energy storage electrical energy changer, for being the high pressure
It is DC bus powered；Or
The energy-storage travelling wave tube connects medium pressure DC bus by the energy storage electrical energy changer, passes through medium pressure
Energy source router is high voltage dc bus power supply.
Further, further includes:
Break-up device is set on the high voltage dc bus, for being segmented to the high voltage dc bus；
Break-up device is set on medium pressure DC bus, for being segmented to medium pressure DC bus；
Break-up device is set on medium pressure ac bus, for being segmented to medium pressure ac bus.
Further, middle pressure alternating current unit, middle pressure direct current component export the alternating current and institute by circuit topological structure
State direct current.
Further, further includes: traction invertor and traction electric machine；
The traction electric machine is connected to the high voltage dc bus by the traction invertor.
Further, further includes: charger；
Medium pressure DC bus is connected to low-voltage direct bus by the charger, and the charger is to medium pressure
Direct current decompression in DC bus, for being low-voltage direct bussed supply.
A kind of alternating current-direct current mixed support power supply system provided by the embodiment of the utility model is connected by middle pressure energy source router
It is connected to high voltage dc bus, middle pressure DC bus, middle pressure ac bus, realizes the transformation of voltage and the control of energy, is train
The effect of alternating current-direct current hybrid power supply is provided.
For the above and other objects, features and advantages of the utility model can be clearer and more comprehensible, preferable reality is cited below particularly
Example is applied, and cooperates institute's accompanying drawings, is described in detail below.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is middle pressure energy source router electrical schematic provided by the embodiment of the utility model；
Fig. 2 is middle pressure energy source router structural block diagram provided by the embodiment of the utility model；
Fig. 3 is the schematic diagram of alternating current-direct current mixed support power supply system provided by the embodiment of the utility model；
Fig. 4 is energy storage device structure block diagram provided by the embodiment of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In rail vehicle carrying is defeated, traction-auxiliary system is the important mobile unit of rail vehicle, trailer system with
Traction convertor is core apparatus, provides traction power for vehicle, and auxiliary system is that vehicle is empty using AuCT as core
The threephase loads such as tune, air compressor, cooling blower and part single-phase load provide AC power source.However frequency air-conditioning and charger
It is first direct current by 380V AC rectification that equal loads, which mostly use the mode of uncontrollable rectifier, and the electric energy for then carrying out rear stage again becomes
It changes, will increase transformation of electrical energy link in this way, reduce system effectiveness and flexibility.
Application of the middle pressure DC auxiliary power system as direct current system in railway transportation equipment field, has significant property
Energy advantage, represents future thrust.Therefore, to solve the above problems, the utility model embodiment provides a kind of alternating current-direct current
Mixed support power supply system, alternating current-direct current mixed support power supply system include: middle pressure energy source router, high voltage dc bus, middle pressure
DC bus, middle pressure ac bus；
Alternating current-direct current mixed support power supply system is train and the load supplying of train by middle pressure energy source router；
Middle pressure energy source router is connected to high voltage dc bus, middle pressure DC bus, middle pressure ac bus, by being connected to
Middle pressure ac bus, for providing alternating current for the load of train, by being connected to middle pressure DC bus, for bearing for train
It carries and direct current is provided.
Specifically, input, output, conversion, the storage of different energy sources carrier may be implemented in energy source router, different energy are realized
Organic perforation of interconnection complementation, the production and consumptive link of source form, realizes the fusion of different characteristic energy flow.As shown in Figure 1,
Fig. 1 is that middle pressure energy source router electrical schematic provided by the embodiment of the utility model provides in the utility model embodiment
Alternating current-direct current mixed support power supply system with middle pressure energy source router 104 be core, be that DC bus 102 and middle pressure are pressed in train
The power supply device of ac bus 103 is mainly used for providing required friendship for middle pressure ac bus 103 and middle pressure DC bus 102
Galvanic electricity and direct current.High voltage dc bus is mainly used for traction power, and energy source is in contact net or third-rail feeding.It needs
Illustrate, be provided with high voltage dc bus 101, middle pressure DC bus 102, middle pressure ac bus 103 on the rail vehicle,
In, the voltage class of high voltage dc bus 101 to middle pressure ac bus 103 is successively decreased, the voltage class of high voltage dc bus 101
The voltage class of 750V or more, middle pressure DC bus 102 are 600V to 700V, and the voltage class of middle pressure ac bus 103 is
300V to 400V.
In the utility model embodiment, middle pressure energy source router has at least three port, is separately connected high voltage dc bus
101, middle pressure DC bus 102 and middle pressure ac bus 103, realize the transformation of voltage and the control of energy.Middle pressure DC bus
For the power supply of train DC load, middle pressure ac bus is the power supply of train AC load.Herein, high voltage dc bus is through entire
Train is mainly used for various high voltage direct current load supplyings, including but not limited to traction invertor, the equipment such as traction electric machine.Middle pressure
DC bus runs through entire train, is mainly used for various middle straightening current loads 106 and powers, including but not limited to convertible frequency air-conditioner etc. is set
It is standby.Middle pressure ac bus runs through entire train, and predominantly various middle pressure AC loads 107 are powered, including but not limited to air pressure
The equipment such as contracting machine, cooling blower and water pump.
The utility model embodiment, instead of traditional exchange auxiliary power supply system, is evaded by middle pressure energy source router
Uncontrollable rectifier load leads to a series of problems caused by alternating voltage distortion, includes reducing system effectiveness, being other exchanges
Load introduces harmonic loss and torque pulsation.
Content based on the above embodiment, as a kind of alternative embodiment: middle pressure energy source router includes: that middle pressure exchange is single
First, middle pressure direct current component；
Middle pressure energy source router is connected to middle pressure ac bus by middle pressure alternating current unit, for providing for the load of train
Alternating current, middle pressure energy source router is connected to middle pressure DC bus by middle pressure direct current component, for providing for the load of train
Direct current.
Specifically, Fig. 2 is middle pressure energy source router structural block diagram provided by the embodiment of the utility model, as shown in Fig. 2, in
Pressure energy source router includes: middle pressure direct current component 201 and middle pressure alternating current unit 202, and middle pressure energy source router is exchanged by middle pressure
Unit 202 is connected to middle pressure ac bus, and middle pressure alternating current unit 202 makes alternating current by circuit topological structure and circuit rule
Middle pressure ac bus is inputed to, provides alternating current to be connected to the load of train of middle pressure ac bus.Middle pressure energy source router
It is connected to middle pressure DC bus by middle pressure direct current component 201, middle pressure direct current component 201 is advised by circuit topological structure and circuit
Then make DC supply input to middle pressure DC bus, provides direct current to be connected to the load of train of middle pressure DC bus.This
The structure of middle pressure energy source router in utility model embodiment is not limited to form shown in Fig. 2, as long as can be female for middle straightening stream
Power supply needed for line and middle pressure ac bus provide, within the protection scope of the utility model embodiment.
The utility model embodiment provides power supply by middle pressure direct current component, middle pressure alternating current unit for train load, uses
The direct current AuCT of high frequency technique usually can realize significant lightweight than the exchange AuCT of power frequency.Direct current is defeated
The stronger realization power transmission and distribution link loss of weight of electric energy power.
Content based on the above embodiment, as a kind of alternative embodiment: further include: energy storage device；
Energy storage device connects high voltage dc bus, for powering for high voltage dc bus；Or
DC bus is pressed in energy storage device connection, is high voltage dc bus power supply by middle pressure energy source router.
Specifically, as shown in figure 3, Fig. 3 is alternating current-direct current mixed support power supply system provided by the embodiment of the utility model
Schematic diagram.Energy storage device 301 is used for the storage of electric energy, and when high-tension line breaks down, energy storage device 301 connects high voltage direct current
Bus 101, for powering for high voltage dc bus 101.Energy storage device 301 presses DC bus 102 in can also connecting, according to middle pressure
The power twocouese mobility of energy source router 104 can power at this time for high voltage dc bus 101.It should be noted that
In the utility model embodiment, middle pressure energy source router 104 both can be flowed with auto parallel Connection, can also be according to Train Control demand
Carry out energy scheduling.And middle pressure energy source router 104 is a kind of electrical energy transformer of isolated form, can be designed according to train demand
Have the function of power one-way flow or two-way flow, to realize the traction of train.
The utility model embodiment is high voltage dc bus power supply by the energy storage device provided, and is routed with middle pressure energy source
Device combines, and can also power in the case where pressing DC bus in energy storage device connection for high voltage dc bus, quickly realize
Train traction reduces the link of transformation of electrical energy, reduces electric energy loss and operating cost.
Content based on the above embodiment, as a kind of alternative embodiment: energy storage device includes: energy storage electrical energy changer
And energy-storage travelling wave tube；
Energy-storage travelling wave tube is connected to high voltage dc bus by energy storage electrical energy changer, for supplying for high voltage dc bus
Electricity；Or
Energy-storage travelling wave tube is high pressure by middle pressure energy source router by pressing DC bus in the connection of energy storage electrical energy changer
It is DC bus powered.
Specifically, as shown in figure 4, Fig. 4 is energy storage device structure block diagram provided by the embodiment of the utility model, in figure, storage
Can device include: energy storage electrical energy changer 401 and energy-storage travelling wave tube 402, energy-storage travelling wave tube 402 include but is not limited to power battery,
Super capacitor.The control to the flowing of electric energy in energy-storage travelling wave tube 402, energy-storage travelling wave tube may be implemented in energy storage electrical energy changer 401
402 are connected to DC bus by energy storage electrical energy changer 401, when energy storage electrical energy changer 401 is connected to high voltage direct current
It when bus, is converted according to electric energy, is powered for high voltage dc bus.The straightening in the connection of energy source device energy electrical energy changer 401
When flowing bus, according to the power twocouese mobility of middle pressure energy source router, or high voltage dc bus power supply, thus real
Existing train traction.
The utility model embodiment is high voltage dc bus confession by the energy storage electrical energy changer and energy-storage travelling wave tube provided
Electricity, and combined with middle pressure energy source router, also can be in the case where pressing DC bus in the connection of energy storage electrical energy changer
High voltage dc bus power supply, quickly provides tractive force for train.
Content based on the above embodiment, as a kind of alternative embodiment: further include:
Break-up device is set on high voltage dc bus, for being segmented to high voltage dc bus；
Break-up device is set on middle pressure DC bus, is segmented for centering pressure DC bus；
Break-up device is set on middle pressure ac bus, is segmented for centering pressure ac bus.
Specifically, settable break-up device can in terms of high voltage dc bus, middle pressure DC bus, middle pressure ac bus
To there is arc extinguishing ability break-up device, such as contactor, breaker, electronic power switch, can also for arc extinguishing ability disconnecting switch or
Bus is divided into several sections as needed by other break-up devices.As shown in figure 3, Fig. 3 mesohigh DC bus 101, middle straightening stream are female
Line 102, middle pressure ac bus 103 are respectively arranged with high-voltage direct current switch device 11, middle pressure DC switchgear 21, the exchange of middle pressure
Switching device 31, to by bus section.Such as: when one end of high voltage dc bus 101 is broken down, close high voltage direct current
Switching device 11, isolated fault end at this time, so that the other end operates normally.It should be noted that for the comprehensive direct current system of train
Safety in operation and reliability, improve the failure Ability of emergency management of DC auxiliary power system, high voltage dc bus, in
Break-up device is set in terms of pressing DC bus, middle pressure ac bus, can also be needed not making this setting according to train actual motion.
Break-up device provided by the embodiment of the utility model can carry out Fault Isolation in failure, reach train and transport safely
Row effect.
Content based on the above embodiment, as a kind of alternative embodiment: middle pressure alternating current unit, middle pressure direct current component pass through
Circuit topological structure exports alternating current and direct current.
Specifically, the middle pressure alternating current unit and middle pressure direct current component in middle pressure energy source router can be opened by LLC resonance soft
Pass, phase-shifting full-bridge topology or other circuit topological structures export direct current, are provided simultaneously with defeated by circuit topologies such as three-phase inversions
Alternating current out, such as: three-phase alternating current.The utility model embodiment does not make specific limit to circuit topological structure.
The utility model embodiment is provided by a variety of circuit topological structures for middle pressure DC bus and middle pressure ac bus
Power supply optimizes power quality, makes system lightweight, facilitation.
Content based on the above embodiment, as a kind of alternative embodiment: further include: traction invertor and traction electric machine；
Traction electric machine is connected to high voltage dc bus by traction invertor.
Specifically, as shown in figure 3, traction invertor 105a and traction electric machine 105b is as the negative of high voltage dc bus 101
It carries, traction electric machine 105b is connected to high voltage dc bus 101 by traction invertor 105a in figure, realization electric energy and mechanical energy
Conversion, provides tractive force or brake force for train.Quantity of the utility model embodiment to separate unit traction invertor driving motor
It is not construed as limiting, traction electric machine type includes but is not limited to asynchronous machine and synchronous motor.
The utility model embodiment is converted to the electronic of traction electric machine by traction invertor and is transferred to high straightening
Bus is flowed, provides tractive force and brake force for train.
Content based on the above embodiment, as a kind of alternative embodiment: further include: charger；
Middle pressure DC bus is connected to low-voltage direct bus by charger, and the direct current in DC bus is pressed in charger centering
Electricity decompression, for being low-voltage direct bussed supply.
Specifically, as shown in figure 3, in figure, charger 23 be located at middle pressure DC bus 102 and low-voltage direct bus 104 it
Between, DC bus 102 is pressed in the access of charger 23, is that low-voltage direct is female after the direct current decompression in middle pressure DC bus 102
Line 104 is powered.Low-voltage direct bus 104 runs through entire train, and it is 110V that the voltage class of low-voltage direct bus 104, which is 110V,
41 and 110V battery 42 is loaded to power.
The utility model embodiment by charger access in press between DC bus and low-voltage direct bus, charger by pair
Direct current in middle pressure DC bus is depressured mode, and directly as the power supply of low-voltage direct bus, conveniently accessible vehicle-mounted energy storage is set
It is standby, the following boosting by low-voltage direct bus is also convenient for as pulling equipment power supply.
Specific embodiment is applied in the utility model to be expounded the principles of the present invention and embodiment, with
The explanation of upper embodiment is merely used to help understand the method and its core concept of the utility model；Meanwhile for this field
Those skilled in the art, based on the idea of the present invention, there will be changes in the specific implementation manner and application range, comprehensive
Upper described, the content of the present specification should not be construed as a limitation of the present invention.
Claims (8)
1. a kind of alternating current-direct current mixed support power supply system, which is characterized in that during the alternating current-direct current mixed support power supply system includes:
Pressure energy source router, high voltage dc bus, middle pressure DC bus, middle pressure ac bus；
The alternating current-direct current mixed support power supply system is train and the load supplying of train by middle pressure energy source router；
Medium pressure energy source router is connected to high voltage dc bus, middle pressure DC bus, middle pressure ac bus, by being connected to
Middle pressure ac bus, for providing alternating current for the load of train, by being connected to middle pressure DC bus, for bearing for train
It carries and direct current is provided.
2. system according to claim 1, which is characterized in that medium pressure energy source router include: middle pressure alternating current unit,
Middle pressure direct current component；
Medium pressure energy source router is connected to middle pressure ac bus by medium pressure alternating current unit, for the load for train
Alternating current is provided, medium pressure energy source router is connected to middle pressure DC bus by medium pressure direct current component, for being column
The load of vehicle provides direct current.
3. system according to claim 1, which is characterized in that further include: energy storage device；
The energy storage device connects the high voltage dc bus, for powering for the high voltage dc bus；Or
The energy storage device connects medium pressure DC bus, is the high voltage dc bus by medium pressure energy source router
Power supply.
4. system according to claim 3, which is characterized in that the energy storage device include: energy storage electrical energy changer and
Energy-storage travelling wave tube；
The energy-storage travelling wave tube is connected to high voltage dc bus by the energy storage electrical energy changer, for being the high voltage direct current
Bussed supply；Or
The energy-storage travelling wave tube is connected to middle pressure DC bus by the energy storage electrical energy changer, passes through medium pressure energy road
It is high voltage dc bus power supply by device.
5. system according to claim 1, which is characterized in that further include:
Break-up device is set on the high voltage dc bus, for being segmented to the high voltage dc bus；
Break-up device is set on medium pressure DC bus, for being segmented to medium pressure DC bus；
Break-up device is set on medium pressure ac bus, for being segmented to medium pressure ac bus.
6. system according to claim 2, which is characterized in that medium pressure alternating current unit, middle pressure direct current component pass through electricity
Road topological structure exports the alternating current and the direct current.
7. system according to claim 1, which is characterized in that further include: traction invertor and traction electric machine；
The traction electric machine is connected to the high voltage dc bus by the traction invertor.
8. system according to claim 1, which is characterized in that further include: charger；
Medium pressure DC bus is connected to low-voltage direct bus by the charger, and the charger is to medium pressure direct current
Direct current decompression in bus, for being low-voltage direct bussed supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821868656.5U CN208923831U (en) | 2018-11-13 | 2018-11-13 | A kind of alternating current-direct current mixed support power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821868656.5U CN208923831U (en) | 2018-11-13 | 2018-11-13 | A kind of alternating current-direct current mixed support power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208923831U true CN208923831U (en) | 2019-05-31 |
Family
ID=66711850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821868656.5U Active CN208923831U (en) | 2018-11-13 | 2018-11-13 | A kind of alternating current-direct current mixed support power supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208923831U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111332122A (en) * | 2020-03-26 | 2020-06-26 | 深圳市波斯曼技术有限公司 | Power supply system adopting distributed low-power supply module |
| CN113043847A (en) * | 2021-04-21 | 2021-06-29 | 株洲中车时代电气股份有限公司 | Converter system of electric locomotive |
| CN113381429A (en) * | 2021-06-04 | 2021-09-10 | 西南交通大学 | Flexible power supply device for rail transit and coordination control method |
| WO2024050981A1 (en) * | 2022-09-09 | 2024-03-14 | 中车长春轨道客车股份有限公司 | Train power supply system, train power supply method, and train |
-
2018
- 2018-11-13 CN CN201821868656.5U patent/CN208923831U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111332122A (en) * | 2020-03-26 | 2020-06-26 | 深圳市波斯曼技术有限公司 | Power supply system adopting distributed low-power supply module |
| CN113043847A (en) * | 2021-04-21 | 2021-06-29 | 株洲中车时代电气股份有限公司 | Converter system of electric locomotive |
| CN113381429A (en) * | 2021-06-04 | 2021-09-10 | 西南交通大学 | Flexible power supply device for rail transit and coordination control method |
| WO2024050981A1 (en) * | 2022-09-09 | 2024-03-14 | 中车长春轨道客车股份有限公司 | Train power supply system, train power supply method, and train |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208923831U (en) | A kind of alternating current-direct current mixed support power supply system | |
| CN204586534U (en) | A kind of train traction converter plant | |
| CN109217314A (en) | A kind of alternating current-direct current mixed support power supply system | |
| CN107878228A (en) | The new auxiliary power supply system and method for a kind of emergent traveling of achievable EMUs | |
| CN107776416A (en) | A kind of track traffic hybrid power circuit, stored energy power bag and its method of supplying power to | |
| CN107042762A (en) | A kind of vehicle-mounted mixed energy storage system of rail vehicle and its application | |
| CN102136809B (en) | Urban rail maglev train traction converter output device | |
| CN113183766B (en) | Multi-source multi-system electric locomotive traction transmission system topology | |
| CN208452808U (en) | A kind of novel high-power locomotive trailer system | |
| CN112350342B (en) | Rail transit hybrid power supply system and unbalance control method | |
| CN109450285B (en) | Main and auxiliary integrated mode energy bidirectional flow auxiliary power supply system for rail transit vehicle | |
| CN101746282A (en) | Electrified railroad through power supply system without split phase | |
| CN105216630B (en) | A kind of diesel locomotive AC auxiliary with train power supply function moves system | |
| CN208835750U (en) | A kind of comprehensive direct current system | |
| CN109367398A (en) | DC auxiliary power system | |
| CN201548631U (en) | Combined power traction converter load testing device | |
| CN106314184B (en) | A kind of vehicle-mounted integrated topological structure of charging driving of electric car | |
| CN109301811A (en) | A kind of comprehensive direct current system | |
| CN106671796A (en) | Locomotive traction system | |
| CN105790317B (en) | A kind of rail traffic vehicles main circuit suitable for multiple power sources power supply | |
| CN209063903U (en) | DC auxiliary power system | |
| CN106100000A (en) | Converter plant, urban rail tractive power supply system and control method thereof | |
| CN108418234A (en) | A kind of energy storage traction substation powered construction | |
| CN205311365U (en) | Device is recycled to undue looks energy of train | |
| CN208015377U (en) | A kind of energy storage traction substation powered construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |