CN114162070A - Power supply and distribution system, method and vehicle - Google Patents
Power supply and distribution system, method and vehicle Download PDFInfo
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- CN114162070A CN114162070A CN202111481437.8A CN202111481437A CN114162070A CN 114162070 A CN114162070 A CN 114162070A CN 202111481437 A CN202111481437 A CN 202111481437A CN 114162070 A CN114162070 A CN 114162070A
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000010248 power generation Methods 0.000 claims abstract description 119
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- 230000003993 interaction Effects 0.000 claims description 8
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- 238000010586 diagram Methods 0.000 description 9
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- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/0307—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for using generators driven by a machine different from the vehicle motor
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
- E01B31/02—Working rail or other metal track components on the spot
- E01B31/12—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails
- E01B31/17—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails by grinding
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Abstract
The embodiment of the application provides a power supply and distribution system, a power supply and distribution method and a vehicle. The power supply and distribution system is arranged in a vehicle formed by grouping a plurality of carriages, and comprises: the power distribution system comprises a main power generation module for providing high-voltage operation power distribution for each compartment, an auxiliary current transformation module for respectively converting the high-voltage operation power distribution of each compartment into low-voltage operation power distribution and/or low-voltage living power distribution, an auxiliary power generation module for respectively providing low-voltage operation power distribution and/or low-voltage living power distribution for each compartment, a contactor K5 and a controller, wherein the controller is used for controlling the working states of the contactor K5, the main power generation module, the auxiliary current transformation module and the auxiliary power generation module. The power supply and distribution modes are switched by controlling the working states of the main power generation module, the auxiliary converter module, the auxiliary power generation module and the contactor K5, so that the reliability and redundancy of power supply and distribution of the marshalled vehicles are improved, and the power distribution quality and the comfort of operators on the vehicles are ensured.
Description
Technical Field
The application relates to the field of vehicle power supply and distribution, in particular to a power supply and distribution system, a method and a vehicle.
Background
With the rapid development of railway maintenance in China, a power supply and distribution system of an engineering truck is an important part of the engineering truck due to the fact that the power supply and distribution system supplies power to operation loads and living loads of vehicles and is related to the operation and distribution quality and the comfort of operators on the truck.
In the rail grinding operation, the grinding head of the prior rail grinding wagon mainly has two driving modes: electrical and hydraulic drives. The electric drive occupies the leading market due to the characteristics of high control precision, fast speed regulation and the like, so the power source of the grinding device is mainly the power source. Simultaneously, current sanding vehicle can divide into according to the head of polishing quantity: 8-head grinding wagon, 10-head grinding wagon, 16-head grinding wagon, 20-head grinding wagon, 48-head grinding wagon and 96-head grinding wagon. However, in practice, in order to improve the grinding efficiency, a hitching mode is usually adopted, for example, two 8-head grinding carts can be hitched to form a 16-head grinding cart, two 10-head grinding carts can be hitched to form a 20-head grinding cart, and the like. The two-section or even more-section vehicle grouping mode is more flexible and convenient.
At present, due to the fact that the number of the grinding heads of the two vehicles is uniformly distributed, power sources and power distribution systems of the two vehicles are independent, the two vehicles cannot be used for power supply and distribution after being assembled and operated, and the redundancy and reliability of the whole power supply and distribution system are poor.
Disclosure of Invention
In order to solve one of the technical defects, the embodiment of the application provides a power supply and distribution system, a method and a vehicle.
According to a first aspect of embodiments of the present application, there is provided a power supply and distribution system provided in a vehicle after a plurality of cars are grouped, the system including: the power generation system comprises a main power generation module, an auxiliary converter module, an auxiliary power generation module, a contactor K5 and a controller, wherein each compartment is provided with the main power generation module, the auxiliary converter module and the auxiliary power generation module;
the main power generation module is used for providing high-voltage operation power distribution for each carriage;
the auxiliary current transformation module is used for respectively transforming the high-voltage operation power distribution of each carriage into low-voltage operation power distribution and/or low-voltage life power distribution;
the auxiliary power generation module is used for respectively providing low-voltage operation power distribution and/or low-voltage life power distribution for each carriage;
and a contactor K5 is arranged between the auxiliary power generation modules of two adjacent carriages, and the controller is used for controlling the working states of the contactor K5, the main power generation module, the auxiliary converter module and the auxiliary power generation module.
According to a second aspect of the embodiments of the present application, there is provided a power supply and distribution method of the power supply and distribution system according to the first aspect of the embodiments of the present application, the method including:
the controller acquires a power supply mode instruction sent by a user through the man-machine interaction module;
and the controller controls the working states of the contactor K5, the main power generation module, the auxiliary converter module and the auxiliary power generation module according to the power supply mode command so as to switch the power supply mode.
According to a third aspect of the embodiments of the present application, there is provided a vehicle comprising a plurality of cars coupled in a group and the power supply and distribution system of the first aspect of the embodiments of the present application.
By adopting the power supply and distribution system and the method provided by the embodiment of the application, the power supply and distribution modes can be switched by controlling the working states of the main power generation module, the auxiliary current transformation module, the auxiliary power generation module and the contactor K5 after the vehicles are grouped, so that the power supply and distribution reliability and redundancy of the grouped vehicles are improved, and the power distribution quality and the comfort of operators on the vehicles are ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic diagram of a power supply and distribution system provided in embodiment 1 of the present application;
fig. 2 is a schematic flow chart of a power supply and distribution method provided in embodiment 2 of the present application.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Example 1
As shown in fig. 1, the present embodiment provides a power supply and distribution system provided in a vehicle in which a plurality of cars are grouped. The system specifically comprises: the device comprises a main power generation module, an auxiliary converter module, an auxiliary power generation module, a contactor K5 and a controller.
Specifically, a main power generation module, an auxiliary converter module and an auxiliary power generation module are arranged in each carriage, wherein:
the main power generation module comprises a main power generation source and a contactor K1. The main power source is connected to the high voltage work load through contactor K1. The primary power generation source is capable of providing high voltage power distribution to high voltage work loads associated with sanding operations, such as providing AC440V/60Hz power distribution for sanding, dust collection fan, and the like. In this embodiment, the generators in the main power source are driven by the motors on the sections to rotate coaxially to generate power. After the generator is electrified, the controller controls the contactor K1 to be closed, and high-voltage power distribution is achieved.
The auxiliary alternating current module comprises an auxiliary current transformer, a contactor K2 and a contactor K3. The auxiliary converter can be connected with a low-voltage working load through the contactor K2 and can be connected with a living load through the contactor K3. The auxiliary inverter may convert the high voltage power from the primary power source to a low voltage power source, such as converting AC440V/60Hz power to AC380V/50Hz power for distribution to living loads (air conditioners, 220V outlets, heaters, etc.) and/or low voltage (screw conveyors, high and low pressure water pumps, etc.).
The auxiliary power generation power module comprises an auxiliary power generation power source and a contactor K4, wherein the auxiliary power generation power source is connected with a living load through a contactor K4, and is connected with a low-voltage working load through a contactor K4 and a contactor K3. The auxiliary power generation module and the auxiliary current transformation module are different in that the auxiliary power generation module can directly provide a low-voltage power supply to supply power for a living load or a low-voltage working load, and the auxiliary current transformation module converts a high-voltage power supply output by the main power generation module into a low-voltage power supply and then supplies power for the living load or the low-voltage working load.
In this embodiment, the auxiliary power generation power source can also be replaced by an external plug for the warehouse, and the external plug for the warehouse is used for being plugged with an external socket for the warehouse to take electricity. The external plug for the garage is connected with a living load through a contactor K4. The external plug for the garage is connected with the low-voltage operation load through a contactor K4 and a contactor K3.
A contactor K5 is arranged between the auxiliary power generation modules of two adjacent carriages, and the controller can control the states of the main power generation source, the auxiliary converter and the auxiliary power generation source which are put into a power supply and distribution system by controlling the on-off states of the contactor K5, the contactor K1, the contactor K2, the contactor K3 and the contactor K4, so that the switching between different power supply modes is realized.
Furthermore, the power supply and distribution system provided in this embodiment may further include a human-computer interaction module, where the human-computer interaction module may be implemented by using a display, and the operation mode may be remote sensing operation or touch screen operation, and the present embodiment is not particularly limited. All power supply modes can be displayed on a display interface of the man-machine interaction module for a user to click, or related power supply mode instructions can be directly input by the user through characters, codes or voice and the like. The controller can control the on-off states of the contactor K5, the contactor K1, the contactor K2, the contactor K3 and the contactor K4 according to power supply mode commands selected or input by a user to control the states of the main power generation power source, the auxiliary converter and the auxiliary power generation power source which are put into a power supply and distribution system, so that switching among different power supply modes is realized.
Example 2
As shown in fig. 2, the present embodiment provides a power supply and distribution method, which is implemented based on a power supply and distribution system. The power supply and distribution system can refer to the content described in embodiment 1, and the description of this embodiment is omitted.
The power supply and distribution method comprises the following steps:
s101, a controller acquires a power supply mode instruction sent by a user through a man-machine interaction module;
and S102, the controller controls the working states of the contactor K5, the main power generation module, the auxiliary current transformation module and the auxiliary power generation module according to the power supply mode command so as to switch the power supply mode.
Specifically, the power supply and distribution method provided in this embodiment includes five power supply modes, which are a default power supply mode, a first auxiliary power supply mode, a second auxiliary power supply mode, a first maximum power supply mode, and a second maximum power supply mode. Taking a two-car consist as an example, as shown in fig. 1, a car a and a car B consist. Among vehicles A, A _ K1, A _ K2, A _ K3 and A _ K4 are contactor K1, contactor K2, contactor K3 and contactor K4 of vehicle A respectively. Among vehicles B, vehicles B _ K1, B _ K2, B _ K3 and B _ K4 are contactor K1, contactor K2, contactor K3 and contactor K4 of vehicle B, respectively. B _ K5 is contactor K5. The power supply and distribution mode after the vehicle a and the vehicle B are grouped will be explained below.
(1) Default power mode
Under the default power supply mode, the main power generation module of the single carriage provides high voltage for the single carriage, and the auxiliary alternating current module converts the high voltage of the main power generation module into low voltage. The on-off state of each contactor at this time is as follows:
b _ K5 is OFF;
a _ K1 closed, A _ K2 closed, A _ K3 closed, A _ K4 open;
b _ K1 closed, B _ K2 closed, B _ K3 closed, B _ K4 open.
(2) First auxiliary power supply mode
In the first auxiliary power supply mode, the auxiliary power generation module of one carriage supplies power to the other carriage in an extended mode. The main power generator of the main power generation source of the main power generation module is a high-power device, so that the noise is high and the oil consumption is high. In consideration of fuel cost, human comfort and failure of the main engine, other electric equipment (emergency-related equipment) of the vehicle has no power supply, so that an auxiliary power generation module is required to provide a standby power supply. The auxiliary power generation module can be realized by an independent auxiliary power generation source or an external socket for a warehouse. The external connection socket is mainly used for the purpose that when a vehicle is parked in a garage, an operator on the vehicle can prepare or check the vehicle.
For the two-carriage marshalling, the first auxiliary power supply mode has two conditions that the auxiliary power generation module of the A carriage supplies power to the B carriage in an extended mode and the auxiliary power generation module of the B carriage supplies power to the A carriage in an extended mode.
When the auxiliary power generation module of the vehicle A supplies power to the vehicle B in an extended mode, the on-off state of each contactor is as follows:
b _ K5 closed;
a _ K1 closed, A _ K2 open, A _ K3 closed, A _ K4 closed;
b _ K1 closed, B _ K2 open, B _ K3 closed, B _ K4 open.
When the auxiliary power generation module of the vehicle B supplies power to the vehicle A in an extended mode, the on-off state of each contactor is as follows:
b _ K5 closed;
a _ K1 closed, A _ K2 open, A _ K3 closed, A _ K4 open;
b _ K1 closed, B _ K2 open, B _ K3 closed, B _ K4 closed.
(3) Second auxiliary power supply mode
In the second auxiliary power supply mode, when two carriages are grouped, the synchronous extended power supply of the two carriages can be realized only by starting the main power generation module of a single carriage, and the extended power supply between the two carriages when the auxiliary converter module of one of the two carriages has a fault is also solved.
For the two-section carriage marshalling, the second auxiliary power supply mode has two conditions that the auxiliary converter module of the vehicle A supplies power to the vehicle B in an extended mode and the auxiliary converter module of the vehicle B supplies power to the vehicle A in an extended mode.
When the auxiliary converter module of the vehicle A supplies power to the vehicle B in an extended mode, the on-off state of each contactor is as follows:
b _ K5 closed;
a _ K1 closed, A _ K2 closed, A _ K3 closed, A _ K4 open;
b _ K1 closed, B _ K2 open, B _ K3 closed, B _ K4 open.
When the auxiliary converter module of the vehicle B supplies power to the vehicle A in an extended mode, the on-off state of each contactor is as follows:
b _ K5 closed;
a _ K1 closed, A _ K2 open, A _ K3 closed, A _ K4 open,
b _ K1 closed, B _ K2 closed, B _ K3 closed, B _ K4 open.
(4) First maximum power supply mode
In the first maximum power supply mode, an auxiliary converter module of a single carriage supplies a low-voltage power supply to a low-voltage operation load of the single carriage, and an auxiliary power generation module of the single carriage supplies the low-voltage power supply to a living load of the single carriage. The on-off state of each contactor at this time is as follows:
b _ K5 is OFF;
a _ K1 closed, A _ K2 closed, A _ K3 open, A _ K4 closed;
b _ K1 closed, B _ K2 closed, B _ K3 open, B _ K4 closed.
(5) Second maximum power supply mode
In the second maximum power supply mode, an auxiliary converter module of a single vehicle supplies a low-voltage power supply to a low-voltage working load of a single carriage, and an auxiliary power generation module of one carriage supplies a low-voltage power supply to a living load of two carriages.
For the two-compartment grouping, the second maximum power supply mode has two conditions that the auxiliary power generation module of the vehicle A supplies low-voltage power to the living loads of the vehicles A and B, and the auxiliary power generation module of the vehicle B supplies low-voltage power to the living loads of the vehicles A and B.
When the auxiliary power generation module of the vehicle A supplies low-voltage power to the life loads of the vehicle A and the vehicle B, the on-off state of each contactor is as follows:
b _ K5 closed;
a _ K1 closed, A _ K2 closed, A _ K3 open, A _ K4 closed.
B _ K1 closed, B _ K2 closed, B _ K3 open, B _ K4 open.
When the auxiliary power generation module of the vehicle B supplies low-voltage power to the living loads of the vehicle A and the vehicle B, the on-off state of each contactor is as follows:
b _ K5 closed;
a _ K1 is closed, A _ K2 is closed, A _ K3 is open, and A _ K4 is open.
B _ K1 closed, B _ K2 closed, B _ K3 open, B _ K4 closed.
According to the power supply and distribution method provided by the embodiment, after the vehicles are grouped, the power supply and distribution modes can be switched by controlling the working states of the main power generation module, the auxiliary converter module, the auxiliary power generation module and the contactor K5, so that the power supply and distribution reliability and redundancy of the vehicles after the vehicles are grouped are improved, and the power distribution quality and the comfort of operators on the vehicles are ensured.
In addition, in the process of switching the power supply mode, the on-off state of each contactor must be detected first, and the next power supply mode switching operation can be performed only when all the contactors are in the off state.
The embodiment also provides a vehicle which comprises a plurality of carriages connected in a marshalling way and the power supply and distribution system provided by the method.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein. The scheme in the embodiment of the application can be implemented by adopting various computer languages, such as object-oriented programming language Java and transliterated scripting language JavaScript.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (13)
1. A power supply and distribution system disposed in a vehicle having a plurality of cars grouped together, the system comprising: the power generation system comprises a main power generation module, an auxiliary converter module, an auxiliary power generation module, a contactor K5 and a controller, wherein each compartment is provided with the main power generation module, the auxiliary converter module and the auxiliary power generation module;
the main power generation module is used for providing high-voltage operation power distribution for each carriage;
the auxiliary current transformation module is used for respectively transforming the high-voltage operation power distribution of each carriage into low-voltage operation power distribution and/or low-voltage life power distribution;
the auxiliary power generation module is used for respectively providing low-voltage operation power distribution and/or low-voltage life power distribution for each carriage;
and a contactor K5 is arranged between the auxiliary power generation modules of two adjacent carriages, and the controller is used for controlling the working states of the contactor K5, the main power generation module, the auxiliary converter module and the auxiliary power generation module.
2. The system of claim 1, wherein the main power module comprises a main power source and a contactor K1, the main power source is connected to the high voltage work load through the contactor K1, and the controller is configured to control the operating state of the contactor K1.
3. The system as claimed in claim 1, wherein the auxiliary converter module comprises an auxiliary converter, a contactor K2 and a contactor K3, the auxiliary converter is connected with the low voltage operation load and the living load through the contactor K2 and the contactor K3, respectively, and the controller is used for controlling the operation state of the contactor K2 and the contactor K3.
4. The system of claim 3, wherein the auxiliary power generation module comprises an auxiliary power generation source connected to a living load through the contactor K4 and a contactor K4, the auxiliary power generation source connected to a low voltage working load through the contactor K4 and contactor K3, and the controller is configured to control an operating state of the contactor K4.
5. The system of claim 1, further comprising a human-machine interaction module, wherein the human-machine interaction module is configured to send a power supply mode command selected by a user to the controller, so that the controller controls the operating states of the contactor K5, the main power generation module, the auxiliary converter module and the auxiliary power generation module according to the power supply mode command.
6. A power supply and distribution method for a power supply and distribution system according to any one of claims 1 to 5, wherein the method comprises:
the controller acquires a power supply mode instruction sent by a user through the man-machine interaction module;
and the controller controls the working states of the contactor K5, the main power generation module, the auxiliary converter module and the auxiliary power generation module according to the power supply mode command so as to switch the power supply mode.
7. The method as claimed in claim 6, wherein when the power supply mode is a default power supply mode, the process of the controller controlling the operating states of the contactor K5, the main power generation module, the auxiliary current transformation module and the auxiliary power generation module to switch the power supply mode comprises:
the connection between a main power generation power module and a high-voltage working load and the connection between an auxiliary converter module and a low-voltage working load and a living load in each carriage are communicated;
cutting off the connection between the auxiliary power generation module in each carriage and the low-voltage operation load and the living load;
and cutting off the contactor K5 between the auxiliary power generation modules of the two adjacent carriages.
8. The method as claimed in claim 6, wherein when the power supply mode is the first auxiliary power supply mode, the process of the controller controlling the operating states of the contactor K5, the main power generation module, the auxiliary current transformation module and the auxiliary power generation module to switch the power supply mode comprises:
communicating the connection between the main power generation module and the high voltage operating load in each carriage;
the connection between the auxiliary power generation module in the first carriage of the two adjacent carriages and the low-voltage working load and the living load is communicated, and the connection between the auxiliary current transformation module in the first carriage and the low-voltage working load and the living load is cut off;
the connection between an auxiliary power generation module and a low-voltage operation load and a living load and the connection between an auxiliary current transformation module and the low-voltage operation load and the living load in a second carriage in two adjacent carriages are cut off;
and communicating the contactors K5 between the auxiliary power generation modules of the two adjacent carriages so as to connect the auxiliary power generation modules in the first carriage with the low-voltage working load and the living load in the second carriage.
9. The method as claimed in claim 6, wherein when the power supply mode is the second auxiliary power supply mode, the process of the controller controlling the operating states of the contactor K5, the main power generation module, the auxiliary current transformation module and the auxiliary power generation module to switch the power supply mode comprises:
communicating the connection between the main power generation module and the high voltage operating load in each carriage;
the connection between the auxiliary converter module in the first carriage of the two adjacent carriages and the low-voltage working load and the living load is communicated, and the connection between the auxiliary power generation module in the first carriage and the low-voltage working load and the living load is cut off;
the connection between an auxiliary power generation module and a low-voltage operation load and a living load and the connection between an auxiliary current transformation module and the low-voltage operation load and the living load in a second carriage in two adjacent carriages are cut off;
and communicating a contactor K5 between the auxiliary power generation power modules of two adjacent carriages so as to connect the auxiliary converter module in the first carriage with a low-voltage working load and a living load in the second carriage.
10. The method as claimed in claim 6, wherein when the power supply mode is the first maximum power supply mode, the process of the controller controlling the operating states of the contactor K5, the main power generation module, the auxiliary current transformation module and the auxiliary power generation module to switch the power supply mode comprises:
the connection between a main power generation module and a high-voltage working load, the connection between an auxiliary current transformation module and a low-voltage working load and the connection between the auxiliary power generation module and a living load in each carriage are communicated;
the connection between the auxiliary converter module and the living load and the connection between the auxiliary power generation module and the low-voltage working load in each carriage are cut off;
and cutting off the contactor K5 between the auxiliary power generation modules of the two adjacent carriages.
11. The method as claimed in claim 6, wherein when the power supply mode is the second maximum power supply mode, the process of the controller controlling the operating states of the contactor K5, the main power generation module, the auxiliary current transformation module and the auxiliary power generation module to switch the power supply mode comprises:
the connection between the main power generation power module and the high-voltage operation load and the connection between the auxiliary current transformation module and the low-voltage operation load in each carriage are communicated;
the auxiliary power generation module in the first carriage of the two adjacent carriages is communicated with the connection between the living load;
cutting off the connection between the auxiliary power generation module and the low-voltage operation load and the connection between the auxiliary current transformation module and the living load in the first carriage in the adjacent connected carriages;
cutting off the connection between an auxiliary power generation module in a second carriage of two adjacent carriages and a low-voltage working load and a living load;
and communicating the contactors K5 between the auxiliary power generation modules of the two adjacent carriages so as to connect the auxiliary power generation modules in the first carriage with the living load in the second carriage.
12. The method of claim 6, further comprising:
the method comprises the steps that before a controller obtains a power supply mode instruction and controls the working states of a contactor K5, a main power generation power module, an auxiliary current transformation module and an auxiliary power generation power module according to the power supply mode instruction to switch a power supply mode, the on-off states of the contactor K5, the main power generation power module, the auxiliary current transformation module and the auxiliary power generation power module are detected;
when the on-off states of the contactor K5, the main power generation module, the auxiliary converter module and the auxiliary power generation module are all off states, the controller controls the working states of the contactor K5, the main power generation module, the auxiliary converter module and the auxiliary power generation module according to the power supply mode command so as to switch the power supply mode.
13. A vehicle comprising a plurality of compartments coupled in a consist and a power supply and distribution system as claimed in any one of claims 1 to 5.
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