CN112060908A - Train power supply system and method capable of automatically configuring power supply system - Google Patents
Train power supply system and method capable of automatically configuring power supply system Download PDFInfo
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- CN112060908A CN112060908A CN202010915085.1A CN202010915085A CN112060908A CN 112060908 A CN112060908 A CN 112060908A CN 202010915085 A CN202010915085 A CN 202010915085A CN 112060908 A CN112060908 A CN 112060908A
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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
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/02—Circuit arrangements for ac mains or ac distribution networks using a single network for simultaneous distribution of power at different frequencies; using a single network for simultaneous distribution of ac power and of dc power
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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
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a train power supply system and method capable of automatically configuring a power supply system, and the train power supply system comprises a first mode identification unit, a first signal feedback unit, a first train power supply module, a second train power supply module, a first train power supply bus and a first train power supply socket assembly, wherein the first train power supply module is connected with the first train power supply bus through a first contactor ACMK, and the second train power supply module is connected with the first train power supply bus through a first contactor DCMK; the first train power bus supplies power to the load through the first train power receptacle assembly; the first signal feedback unit transmits the connection information of the first train power supply socket assembly to the first pattern recognition unit, and the first pattern recognition unit controls the first contactor ACMK and the first contactor DCMK based on the connection information. The invention can automatically configure the output power system according to the load type, ensure the power supply and load matching, ensure the power supply safety, and ensure the power supply with high load requirement and high reliability of the refrigerated container.
Description
Technical Field
The invention relates to the technical field of train power supply, in particular to a train power supply system and method capable of automatically configuring a power supply system.
Background
The AC transmission passenger electric locomotive in China is provided with a DC600V train power supply device for supplying DC600V power to passenger vehicles, and the internal combustion passenger locomotive supplies 3-phase AC380V power to the vehicles by adopting a mode of adding an internal combustion locomotive and a generator car. With the gradual increase of the electrification rate in China, the attached quantity of electric locomotives is larger and larger, and the existing high-power alternating-current transmission passenger electric locomotive is required to provide a DC600V power supply and a 3AC380V power supply for vehicles.
In addition, as the domestic standard is improved, a large amount of food which needs to be refrigerated or frozen is transported to thousands of households from all over the world by sea, rail and kilometer transportation through combined sea-land-iron transportation, and as the refrigerated containers adopt the AC380V standard during sea transportation or road transportation, the standard is also required during road transportation, and high reliability is required to ensure the safety of transported goods.
To meet the requirements of stock AC380V passenger cars and incremental cold chain transportation, the compatible output scheme of the DC600V and the AC380V is the best choice regardless of the power supply mode of keeping the DC600V as the main body or considering the power supply requirement of the AC380V and the unification of the power supply functions of the locomotives.
At present, the electric locomotive train supplies power, a DC600V power supply is provided for passenger vehicles through a DC600V listed power supply device arranged on the locomotive, and the internal combustion passenger locomotive supplies 3-phase AC380V power for the vehicles by adopting a mode of an internal combustion locomotive and a generator car. The refrigerated container transportation adopts 6 refrigerated container vehicles to be configured with one generator for protecting the vehicles for supplying power. With the requirements of energy conservation and environmental protection and the improvement of the railway electrification rate in China, the application number of the internal combustion locomotives serving as the traction tasks of the passenger trains is gradually reduced, and the current passenger electric locomotives are only provided with DC600V train power supply devices, can only provide DC600V power supply for the passenger vehicles and cannot pull the passenger vehicles provided with 3AC380V power supply by the original internal combustion locomotives. This results in that the passenger vehicle currently equipped with 3AC380V power will not have a locomotive to draw, resulting in a great waste of resources. The generator cars are out of production due to policy regulations, the generator cars stored in the generator cars are long-term, fire hazards are prominent, and accidents happen occasionally. In addition, the traction of a generator car or a machine protection car causes less traction of passengers or freight transportation, and the transportation capacity is wasted.
Based on this, the prior art still remains to be improved.
Disclosure of Invention
In order to solve the above technical problems, embodiments of the present invention provide a train power supply system and method for automatically configuring a power supply system, so as to solve the problems in the prior art.
In one aspect, the train power supply system with an automatically configured power supply system disclosed in the embodiments of the present invention includes a first pattern recognition unit, a first signal feedback unit, a first train power supply module, a second train power supply module, a first train power supply bus, and a first train power supply socket assembly, wherein,
the first train power supply module is connected with the first train power supply bus through a first contactor ACMK, and the second train power supply module is connected with the first train power supply bus through a first contactor DCMK;
the first train power bus supplies power to a load through a first train power receptacle assembly;
the first signal feedback unit transmits the connection information of the first train power supply socket assembly to the first pattern recognition unit, and the first pattern recognition unit controls the first contactor ACMK and the first contactor DCMK based on the connection information.
Further, the loads include DC600V passenger train loads, AC380 passenger train loads, and refrigerated container loads.
Further, the train power supply system also comprises a second mode identification unit, a second signal feedback unit, a second train power supply bus, a third train power supply module, a fourth train power supply module and a second train power supply socket assembly, wherein,
the third train power supply module is connected with the second train power supply bus through a second contactor ACMK, and the fourth train power supply module is connected with the second train power supply bus through a second contactor DCMK;
the second train power supply bus supplies power to the load through a second train power supply socket assembly;
the second signal feedback unit transmits the coupling information of the second train power supply socket assembly to the second pattern recognition unit, and the second pattern recognition unit controls the second contactor ACMK and the second contactor DCMK based on the coupling information.
Further, the first train power supply module and the third train power supply module supply power to the AC380V, and the second train power supply module and the fourth train power supply module supply power to the DC 600V.
Further, the first train power supply module or the third train power supply module supplies power to a refrigerated container load;
the second train power supply module and the fourth train power supply module supply power to a DC600V passenger train load;
the first train power supply module and the third train power supply module supply power for the AC380 passenger train load.
Further, the first train power supply bus and the second train power supply bus are connected through an ACMK redundant contactor.
On the other hand, the embodiment of the invention also discloses a train power supply method for automatically configuring a power supply system, which judges a power supply mode according to the load type;
if the load is a reefer container load, an AC380V power module is used to power the load.
Further, if the load is a DC600V passenger train load, two DC600V power supply modules are adopted to supply power to the load;
if the load is an AC380V passenger train load, two AC380V power supply modules are adopted to supply power to the load.
Further, if the load is a reefer container load, the other AC380V power module serves as a redundant power module.
Further, comprising:
the signal feedback unit transmits the coupling information of the train power supply socket assembly to the mode identification unit, the mode identification unit judges the power supply system based on the coupling information, checks whether the power supply module grounding system under the corresponding power supply system is put into use,
if the grounding system is not put into use, the output is forbidden;
if the grounding system is put into operation, it is determined whether the power supply socket has a connector connected thereto,
if no connector is connected, the power supply system is in an idle state, and the existing power supply system is kept;
if the connector is connected, judging whether the load is the load matched with the current power supply system,
if so, the existing power supply system is maintained,
if not, output is prohibited and information prompt is performed.
By adopting the technical scheme, the invention at least has the following beneficial effects:
the embodiment of the invention can automatically identify the load type of the vehicle, can automatically configure the output power system according to the load type, ensures the matching of power supply and load, ensures the power supply safety, and ensures the high load requirement and high reliability of the refrigerated container. The power supply contactor for detecting the connection state, the safety grounding device for automatically switching according to the load state, the DC600 power supply module and the AC380V power supply module which can be automatically switched according to the safety grounding state are adopted. The safety switching of the compatible output DC600V and the 3-phase AC380V is realized through a complete circuit logic interlocking structure, and meanwhile, the corresponding ground protection device is set to protect the application safety and the fault indication of a line.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a block diagram of a train power supply system with an automatically configured power supply system according to an embodiment of the present invention;
fig. 2 is a logic diagram for implementing system functions of the train power supply system with an automatically configured power supply system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following embodiments of the present invention are described in further detail with reference to the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, and they are not described in any more detail in the following embodiments.
As shown in fig. 1, some embodiments of the present invention disclose a train power supply system with an automatically configured power supply system, which includes a first pattern recognition unit, a first signal feedback unit, a first train power supply module, a second train power supply module, a first train power supply bus, and a first train power supply socket assembly, wherein,
the first train power supply module is connected with the first train power supply bus through a first contactor ACMK, and the second train power supply module is connected with the first train power supply bus through a first contactor DCMK;
the first train power bus supplies power to a load through a first train power receptacle assembly;
the first signal feedback unit transmits the connection information of the first train power supply socket assembly to the first pattern recognition unit, and the first pattern recognition unit controls the first contactor ACMK and the first contactor DCMK based on the connection information.
In the embodiment, the first signal feedback unit transmits the coupling information of the first train power supply socket assembly to the first mode identification unit, so that the control of the first contactor ACMK and the first contactor DCMK is realized, and power supply of different power supply modules is realized. The output power system is automatically matched according to the load type, power supply and load matching are guaranteed, and power supply safety is guaranteed.
In the train power supply system with the automatic power supply configuration disclosed by some embodiments of the invention, on the basis of the above embodiments, the loads include a DC600V passenger train load, an AC380 passenger train load and a refrigerated container load. Therefore, power supply switching under three loads and combination conditions is realized.
The train power supply system capable of automatically configuring the power supply system disclosed by some embodiments of the invention further comprises a second mode identification unit, a second signal feedback unit, a second train power supply bus, a third train power supply module, a fourth train power supply module and a second train power supply socket assembly on the basis of the embodiments, wherein,
the third train power supply module is connected with the second train power supply bus through a second contactor ACMK, and the fourth train power supply module is connected with the second train power supply bus through a second contactor DCMK;
the second train power supply bus supplies power to the load through a second train power supply socket assembly;
the second signal feedback unit transmits the coupling information of the second train power supply socket assembly to the second pattern recognition unit, and the second pattern recognition unit controls the second contactor ACMK and the second contactor DCMK based on the coupling information.
The first train power supply module and the third train power supply module supply power to the AC380V, and the second train power supply module and the fourth train power supply module supply power to the DC 600V. Further, the first train power supply module or the third train power supply module supplies power to a refrigerated container load;
the second train power supply module and the fourth train power supply module supply power to a DC600V passenger train load; the first train power supply module and the third train power supply module supply power for the AC380 passenger train load.
According to the train power supply system capable of automatically configuring the power supply system disclosed by some embodiments of the invention, on the basis of the above embodiments, the first train power supply bus and the second train power supply bus are connected through an ACMK redundant contactor. If one AC380V power module fails in the reefer container load mode, the system will automatically activate another AC380V power module to switch into a redundant contactor, enabling another AC380V power module to ensure reefer container load power reliability.
The embodiment of the invention also discloses a train power supply method for automatically configuring a power supply system, which judges the power supply mode according to the load type; if the load is a reefer container load, an AC380V power module is used to power the load.
If the load is a DC600V passenger train load, two DC600V power supply modules are adopted to supply power to the load;
if the load is an AC380V passenger train load, two AC380V power supply modules are adopted to supply power to the load.
If the load is a reefer container load, the other AC380V power module serves as a redundant power module.
The train power supply method capable of automatically configuring the power supply system disclosed by some embodiments of the invention comprises the following steps:
the signal feedback unit transmits the coupling information of the train power supply socket assembly to the mode identification unit, the mode identification unit judges the power supply system based on the coupling information, checks whether the power supply module grounding system under the corresponding power supply system is put into use,
if the grounding system is not put into use, the output is forbidden;
if the grounding system is put into operation, it is determined whether the power supply socket has a connector connected thereto,
if no connector is connected, the power supply system is in an idle state, and the existing power supply system is kept;
if the connector is connected, judging whether the load is the load matched with the current power supply system,
if so, the existing power supply system is maintained,
if not, output is prohibited and information prompt is performed.
Specifically, the train power supply system with the automatically configured power supply system shown in fig. 1 includes two independent train power supply modules, each of which includes an AC380V power supply module and a DC600V power supply module, and supplies power to a train power supply bus through a contactor ACMK or DCMK, where the train power supply bus is multiplexed under different loads and power supply systems. The column supply bus supplies power to the load through 4 power supply sockets, and the column supply sockets transmit the coupling information to the mode identification unit according to the coupling load state. There will be three load conditions on the power supply system:
DC600V passenger train load;
AC380 passenger train loads;
the load of the refrigerated container automatically sets a power supply system.
When the DC600V passenger train is loaded, two DC600V modules are started, two DCMK contactors are closed, and two train supply buses provide DC600V for the load; when the AC380V passenger train is loaded, two AC380V modules are started, two ACMK contactors are closed, and two train supply buses provide AC380V for the loads; when the refrigerated container is loaded, an AC380V module is started, 1 ACMK contactor is closed, and 1 row supply bus provides AC380V for the load.
According to load information fed back by the power supply socket, the grounding system sets a DC600V module or an AC380V module which needs to work as reliable grounding, the output module can normally work only after the grounding system works reliably, and power is supplied to a train power supply bus through an output contactor ACMK or DCMK, so that the safety of the power supply system is ensured.
If one AC380V power module fails in the reefer container load mode, the system will automatically activate another AC380V power module to switch into a redundant contactor, enabling another AC380V power module to ensure reefer container load power reliability.
And the system carries out information prompt on a system display interface according to the load information fed back by the power supply socket.
As shown in fig. 2, a logic diagram of a train power supply system of a power supply system is automatically configured, the system automatically switches to a corresponding output mode according to different conditions of an access connector, and a system display interface reports a corresponding output condition and a corresponding fault state.
The system determines that the power supply mode is DC600V when the system judges that the load is DC600V passenger train load according to the connection load type, and 2 DC600V modules judge whether the grounding system is already put into use or not, and output is forbidden if the grounding system is not put into use.
If the grounding system is switched on, whether a connector of the power supply socket is connected is judged, if the connector of the power supply socket is not connected, the power supply socket is in an idle state, two DC600V modules are input, and two train power supply buses output DC 600V.
If the power supply socket is connected with a connector, whether the power supply socket is connected with a DC600V connector is judged, if yes, two DC600V modules are input, and two train power supply buses output DC 600V. If not, the output is prohibited and information prompt is carried out.
According to the connection load type, if the load is the load of the AC380V passenger train or the refrigerated container, the power supply mode is determined to be AC380V, 2 AC380V modules judge whether the grounding system is already put into use, and if the grounding system is not put into use, the output is forbidden.
If the grounding system is switched on, whether a connector of the power supply socket is connected is judged, if the connector of the power supply socket is not connected, the power supply socket is in an idle state, two AC380V modules are input, and two train power supply buses output AC 380V.
If the power supply socket is connected with the connector, whether the power supply socket is connected with the AC380V connector is judged, and if not, the output is prohibited and information prompt is carried out.
If the two bus power supply sockets are connected, the two AC380V modules are input, and the two train power supply buses output AC 380V. If only one bus power supply socket is connected, a corresponding AC380V module is started to supply power to the bus connected with the socket. If the corresponding AC380V module fails to work, another AC380V module is started while the ACMK redundant contactor is closed to continue supplying power to the bus of the access socket.
The invention discloses a train power supply system and method capable of automatically configuring a power supply system, wherein a locomotive running in an electrified section is mainly powered by a DC600V power supply system, namely, the locomotive provides a DC600V power supply, the passenger train is subjected to distributed inversion to be powered by alternating current, and a passenger electric locomotive basically adopts a DC600V direct power supply mode.
The railway passenger car is mainly divided into two power supply modes of DC600V and AC380V, wherein the DC600V power supply mode is 22182 and accounts for 51 percent; the power supply system 21117 of the AC380V accounts for 49 percent. Nearly half of passenger cars adopt the power supply mode of additionally hanging the generator cars AC380V, and along with the opening of electrified railways and the elimination of old generator cars, in addition, especially in recent years, a large number of motor train units are on line and the updating of passenger cars is slowed down, and the contradiction of unmatched power supply is increasingly prominent. In addition, the locomotive needs to solve the problem of supplying power to the refrigerated container flat car, the cold chain transportation container needs to be transported by sea and road, the power supply system of the cold chain transportation container is power frequency AC380V with strong universality, and transportation equipment needs to provide an AC380V power supply.
To meet the requirements of stock AC380V passenger cars and incremental cold chain transportation, the compatible output scheme of the DC600V and the AC380V is the best choice regardless of the power supply mode of keeping the DC600V as the main body or considering the power supply requirement of the AC380V and the unification of the power supply functions of the locomotives.
In summary, the train power supply system and method for automatically configuring the power supply system provided by the embodiments of the present invention automatically identify the vehicle load type according to the load condition, and automatically configure the output power system according to the load type, thereby ensuring power supply and load matching, ensuring power supply safety, and ensuring redundancy of high reliability required by the load of the refrigerated container. The complete circuit logic interlocking structure realizes the safe switching of the compatible output DC600V and the 3-phase AC380V, and simultaneously, an automatic switching safe grounding system is arranged to protect the application safety and the fault indication of a line. The fault is automatically identified, the redundant system is automatically put into use to ensure the load requirement of the refrigerated container, and the reliability is high.
It should be particularly noted that the various components or steps in the above embodiments can be mutually intersected, replaced, added or deleted, and therefore, the combination formed by the reasonable permutation and combination conversion shall also belong to the protection scope of the present invention, and the protection scope of the present invention shall not be limited to the embodiments.
The above is an exemplary embodiment of the present disclosure, and the order of disclosure of the above embodiment of the present disclosure is only for description and does not represent the merits of the embodiment. It should be noted that the discussion of any embodiment above is exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, of embodiments of the invention is limited to those examples, and that various changes and modifications may be made without departing from the scope, as defined in the claims. The functions, steps and/or actions of the method claims in accordance with the disclosed embodiments described herein need not be performed in any particular order. Furthermore, although elements of the disclosed embodiments of the invention may be described or claimed in the singular, the plural is contemplated unless limitation to the singular is explicitly stated.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, of embodiments of the invention is limited to these examples; within the idea of an embodiment of the invention, also technical features in the above embodiment or in different embodiments may be combined and there are many other variations of the different aspects of an embodiment of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of the embodiments of the present invention are intended to be included within the scope of the embodiments of the present invention.
Claims (10)
1. A train power supply system with an automatic power supply configuration mode is characterized by comprising a first mode identification unit, a first signal feedback unit, a first train power supply module, a second train power supply module, a first train power supply bus and a first train power supply socket assembly, wherein,
the first train power supply module is connected with the first train power supply bus through a first contactor ACMK, and the second train power supply module is connected with the first train power supply bus through a first contactor DCMK;
the first train power bus supplies power to a load through a first train power receptacle assembly;
the first signal feedback unit transmits the connection information of the first train power supply socket assembly to the first pattern recognition unit, and the first pattern recognition unit controls the first contactor ACMK and the first contactor DCMK based on the connection information.
2. The train power supply system of automatically configurable power supply scheme as claimed in claim 1 wherein said loads comprise DC600V passenger train loads, AC380 passenger train loads and refrigerated container loads.
3. The train power supply system of automatically configured power supply system according to claim 1, further comprising a second pattern recognition unit, a second signal feedback unit, a second train power supply bus, a third train power supply module, a fourth train power supply module and a second train power supply socket assembly, wherein,
the third train power supply module is connected with the second train power supply bus through a second contactor ACMK, and the fourth train power supply module is connected with the second train power supply bus through a second contactor DCMK;
the second train power supply bus supplies power to the load through a second train power supply socket assembly;
the second signal feedback unit transmits the coupling information of the second train power supply socket assembly to the second pattern recognition unit, and the second pattern recognition unit controls the second contactor ACMK and the second contactor DCMK based on the coupling information.
4. The train power supply system of the auto-configuration power supply system according to claim 3, wherein the first train power supply module and the third train power supply module supply power to AC380V, and the second train power supply module and the fourth train power supply module supply power to DC 600V.
5. The train power supply system of automatically-configurable power supply system according to claim 4,
the first train power supply module or the third train power supply module supplies power to a refrigerated container load;
the second train power supply module and the fourth train power supply module supply power to a DC600V passenger train load;
the first train power supply module and the third train power supply module supply power for the AC380 passenger train load.
6. The train power supply system with the automatically configurable power supply system according to claim 4, wherein the first train power supply bus and the second train power supply bus are connected through an ACMK redundant contactor.
7. A train power supply method for automatically configuring a power supply system is characterized in that a power supply mode is judged according to load types;
if the load is a reefer container load, an AC380V power module is used to power the load.
8. The train power supply method according to claim 7, wherein if the load is a DC600V passenger train load, two DC600V power supply modules are used to supply power to the load;
if the load is an AC380V passenger train load, two AC380V power supply modules are adopted to supply power to the load.
9. The method of claim 7, wherein the other of the AC380V power modules is used as a redundant power module if the load is a reefer container load.
10. The train power supply method according to claim 7, comprising:
the signal feedback unit transmits the coupling information of the train power supply socket assembly to the mode identification unit, the mode identification unit judges the power supply system based on the coupling information, checks whether the power supply module grounding system under the corresponding power supply system is put into use,
if the grounding system is not put into use, the output is forbidden;
if the grounding system is put into operation, it is determined whether the power supply socket has a connector connected thereto,
if no connector is connected, the power supply system is in an idle state, and the existing power supply system is kept;
if the connector is connected, judging whether the load is the load matched with the current power supply system,
if so, the existing power supply system is maintained,
if not, output is prohibited and information prompt is performed.
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| CN115402378A (en) * | 2022-09-23 | 2022-11-29 | 中车株洲电力机车有限公司 | Urban rail vehicle power supply control device and in-garage power supply control device |
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| CN102217166A (en) * | 2011-05-20 | 2011-10-12 | 华为技术有限公司 | Intelligent power distribution system and method for power distribution |
| CN103465794A (en) * | 2013-08-26 | 2013-12-25 | 株洲南车时代电气股份有限公司 | Train power supply control method and system for electric locomotives and train power supply equipment |
| CN105514964A (en) * | 2014-09-26 | 2016-04-20 | 中车大连电力牵引研发中心有限公司 | Current-sharing circuit and current-sharing control method |
| CN109484180A (en) * | 2017-09-12 | 2019-03-19 | 株洲中车时代电气股份有限公司 | A kind of dual power supply standard electric locomotive power supply system of train and its method of supplying power to |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115402378A (en) * | 2022-09-23 | 2022-11-29 | 中车株洲电力机车有限公司 | Urban rail vehicle power supply control device and in-garage power supply control device |
| CN115402378B (en) * | 2022-09-23 | 2023-11-07 | 中车株洲电力机车有限公司 | Urban rail vehicle power supply control device and garage internal power supply control device |
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