A detachable mobile energy storage device management system, method, device and medium

Abstract

The present application discloses a detachable mobile energy storage device management system, method, equipment and medium, which mainly relates to the field of energy storage device application technology, and is used to solve the existing mobile energy storage system that contains only one energy storage module, which affects efficiency, disconnects the node at the fault, has poor power supply continuity and low distributed power supply utilization efficiency, and the mobile route of the existing mobile energy storage system has an unbalanced power supply problem. It includes: an island division component to obtain a number of power grid islands; a route division component to obtain the calculated difference of distributed power sources; determine the priority of distributed power sources according to weights and calculated differences; complete the connection between the detachable energy storage component and the distributed power source; obtain the calculated difference corresponding to the distributed power source in real time, and when it is less than the preset difference threshold, the distributed power source is disconnected from the detachable energy storage component until an extreme fault elimination signal is received, or the calculated differences of the distributed power sources are all less than the preset difference threshold.

Description

Technical Field

[0001] The present application relates to the technical field of energy storage device applications, and in particular to a management system, method, equipment and medium for a detachable mobile energy storage device. Background Art

[0002] In recent years, extreme events such as ice disasters, rainstorms, and earthquakes have occurred frequently, which have had a serious impact on the power system and caused many residential users to suffer from power outages. The current distribution network power supply restoration method is mainly to restore the distribution network power supply through emergency resources. Compared with fixed emergency resources, mobile emergency resources bring higher flexibility to the restoration of distribution networks, thus giving distribution networks more feasibility and better power supply restoration capabilities.

[0003] Energy storage systems are important players in power restoration in distribution systems. Compared with fixed energy storage systems, mobile energy storage systems have more advantages in terms of transportability and operational flexibility, enabling mobile energy storage systems to power critical loads in emergencies. Mobile energy storage systems have the advantages of modularity, fast assembly speed, and low on-site installation costs. They can adjust the time and nodes of access to the distribution network at any time according to actual conditions, have good adaptability to changing distribution networks, and have greater flexibility compared to traditional fixed energy storage.

[0004] However, under the current technical conditions, the energy storage module and the carrier of the mobile energy storage system are "fixed" together and dispatched as a whole, which means that the mobile energy storage system contains only one energy storage module, which greatly affects the efficiency of power supply recovery of the distribution network; in addition, when an extreme event occurs in the distribution network, the current processing method is mainly to disconnect the node at the fault, which has problems such as poor power supply continuity and low utilization efficiency of distributed power sources. In addition, the mobile route of the existing mobile energy storage system is mainly based on the distance, from near to far, and there is a problem of uneven power supply. Summary of the invention

[0005] In view of the above-mentioned deficiencies in the prior art, the present application provides a detachable mobile energy storage device management system, method, equipment and medium to solve the problem that the existing mobile energy storage system only contains one energy storage module, which affects the efficiency of power supply recovery of the distribution network; in addition, when the distribution network encounters an extreme event, the current processing method is mainly to disconnect the node at the fault, which has problems such as poor power supply continuity and low utilization efficiency of distributed power sources. In addition, the mobile route of the existing mobile energy storage system is mainly to supply power from near to far according to the distance, which has the problem of uneven power supply.

[0006] In the first aspect, the present application provides a detachable mobile energy storage device management system, the system comprising: a detachable mobile energy storage device, and the detachable mobile energy storage device is composed of a plurality of detachable energy storage components and a transport vehicle; an island division component, which is used to obtain the distribution network node corresponding to the extreme fault when an extreme fault signal is received, and then disconnect the distribution network node corresponding to the extreme fault; obtain the disconnected distribution network node through a preset interface, and then obtain a plurality of power grid islands; a route division component, which is used to obtain the actual number of transport vehicles N, the actual total number of detachable energy storage components M, the actual total power and the calculated difference between the output of the distributed power source in the power grid island and the total load value of the node in the power grid island; obtain the weight of the distributed power source in the power grid island, according to The priority of the distributed power source is determined by weight and calculated difference; the distributed power source corresponding to each of the M actual detachable energy storage components is determined according to the priority of the distributed power source and the calculated difference; based on the priority of the distributed power source, the actual detachable energy storage component is transported to the corresponding distributed power source by N transport vehicles, and the connection between the detachable energy storage component and the distributed power source is completed; the calculated difference corresponding to the distributed power source is obtained in real time, and when the calculated difference is less than the preset difference threshold, the distributed power source is disconnected from the detachable energy storage component; based on the calculated difference and priority, the next distributed power source corresponding to the disconnected detachable energy storage component is determined, until the extreme fault elimination signal is received, or the calculated differences of the distributed power sources are all less than the preset difference threshold.

[0007] Furthermore, the route division component includes an actual data acquisition unit for acquiring the actual number N of transport vehicles, the actual total number M of detachable energy storage components, and the actual total power through a preset interface.

[0008] Furthermore, the route division component includes a priority determination unit for performing priority sorting from large to small based on the size of the level parameter through the formula: level parameter = weight value * preset balance constant + |calculated difference|.

[0009] Furthermore, the route division component includes a distributed power supply component performance determination unit and a distributed power supply component allocation unit. The power supply component performance determination unit is used to obtain the dischargeable capacity and rechargeable capacity corresponding to the detachable energy storage component; obtain the calculated difference of the distributed power supply, when the calculated difference is a positive number, the distributed power supply charges the detachable energy storage component; when the calculated difference is a negative number, the distributed power supply and the detachable energy storage component jointly output power to the load; the distributed power supply component allocation unit is used to determine the allocation order of the detachable energy storage component according to the priority of the distributed power supply; when the calculated difference of the current distributed power supply is a positive number, determine to pass the branch The limit method is to obtain several detachable energy storage components from the unallocated detachable energy storage components, and the sum of the rechargeable capacities of the several detachable energy storage components is greater than the calculated difference; when the calculated difference of the current distributed power source is negative, it is determined to obtain several detachable energy storage components from the unallocated detachable energy storage components through the branch and bound method, and the sum of the dischargeable capacities of the several detachable energy storage components is greater than the absolute value of the calculated difference; when there is a distributed power source without a corresponding detachable energy storage component supply, wait for the disconnected detachable energy storage component; when there is a disconnected detachable energy storage component, first update the corresponding dischargeable capacity and rechargeable capacity, and then participate in the allocation.

[0010] In the second aspect, the present application provides a detachable mobile energy storage device management method and a detachable mobile energy storage device management system, the method comprising: obtaining the distribution network node corresponding to the extreme fault when receiving the extreme fault signal through the island division component, and then disconnecting the distribution network node corresponding to the extreme fault; obtaining the disconnected distribution network node through a preset interface, and then obtaining a number of power grid islands; obtaining the actual number of transport vehicles N, the actual total number of detachable energy storage components M, the actual total power and the calculated difference between the output of the distributed power source in the power grid island and the total load value of the node in the power grid island through the route division component; obtaining the weight of the distributed power source in the power grid island, and determining the distributed power source according to the weight and the calculated difference. The priority of the power source is determined; based on the priority of the distributed power source and the calculated difference, the distributed power sources corresponding to each of the M actual detachable energy storage components are determined; based on the priority of the distributed power source, the actual detachable energy storage components are transported to the corresponding distributed power source by N transport vehicles, and the detachable energy storage components are connected to the distributed power source; the calculated difference corresponding to the distributed power source is obtained in real time, and when the calculated difference is less than the preset difference threshold, the distributed power source is disconnected from the detachable energy storage component; based on the calculated difference and priority, the next distributed power source corresponding to the disconnected detachable energy storage component is determined, until the extreme fault elimination signal is received, or the calculated differences of the distributed power sources are all less than the preset difference threshold.

[0011] Furthermore, obtaining the actual number of transport vehicles N and the actual total number of detachable energy storage components M specifically includes: obtaining the actual number of transport vehicles N, the actual total number of detachable energy storage components M, and the actual total power through a preset interface.

[0012] Furthermore, the priority of the distributed power source is determined according to the weight and the calculated difference, specifically including: through the formula: level parameter = weight value * preset balance constant + |calculated difference|; based on the size of the level parameter, priority is sorted from large to small.

[0013] Further, according to the priority of the distributed power source and the calculated difference, the distributed power sources corresponding to the M actual detachable energy storage components are determined, specifically including: obtaining the dischargeable capacity and the chargeable capacity corresponding to the detachable energy storage component; obtaining the calculated difference of the distributed power source, when the calculated difference is a positive number, the distributed power source charges the detachable energy storage component; when the calculated difference is a negative number, the distributed power source and the detachable energy storage component jointly output power to the load; according to the priority of the distributed power source, the allocation order of the detachable energy storage component is determined; when the calculated difference of the current distributed power source is a positive number, it is determined through the branch and bound method that the detachable energy storage component is not detached. Obtain several detachable energy storage components from the allocated detachable energy storage components, and the sum of the rechargeable capacities of the several detachable energy storage components is greater than the calculated difference; when the calculated difference of the current distributed power source is a negative number, determine to obtain several detachable energy storage components from the unallocated detachable energy storage components through the branch and bound method, and the sum of the dischargeable capacities of the several detachable energy storage components is greater than the absolute value of the calculated difference; when there is a distributed power source without a corresponding detachable energy storage component supply, wait for the disconnected detachable energy storage component; when there is a disconnected detachable energy storage component, first update the corresponding dischargeable capacity and rechargeable capacity, and then participate in the allocation.

[0014] In a third aspect, the present application provides a detachable mobile energy storage device management device, the device comprising: a processor; and a memory on which executable code is stored, and when the executable code is executed, the processor executes a detachable mobile energy storage device management method such as any one of the above.

[0015] In a fourth aspect, the present application provides a non-volatile computer storage medium having computer instructions stored thereon, which when executed implement a detachable mobile energy storage device management method as described in any one of the above items.

[0016] Those skilled in the art can understand that the present application has at least the following beneficial effects:

[0017] The electric energy transportation device involved in the present application is a detachable mobile energy storage device, and the detachable mobile energy storage device is composed of a plurality of detachable energy storage components and a transport vehicle, which can realize a more flexible allocation of energy storage as a backup power source, and solves the problem that the existing mobile energy storage system only contains one energy storage module, which affects the power supply recovery efficiency of the distribution network.

[0018] When an extreme event occurs, some lines may be disconnected, causing large-scale power outages for users in the distribution network. Use a detachable mobile energy storage device to restore power supply to the distribution network. On the one hand, the state of the distribution network node switch is remotely controlled by the island division component to divide the distribution network into several islands. On each island, the distributed power source in the microgrid is the power source for supplying power to the load, and serves as the interface between the distribution network and the detachable mobile energy storage system, realizing the effective use of distributed power sources and solving the problem that when the distribution network is in an extreme event, the current processing method is mainly to disconnect the node at the fault, resulting in poor power supply continuity and low utilization efficiency of distributed power sources. On the other hand, by solving the path of the detachable mobile energy storage device through the route division component, the detachable mobile energy storage device can be fully utilized to flexibly supply power to the power load. The problem of unbalanced power supply is avoided; in addition, the detachable energy storage component transmits energy between the islands through the transportation path, solving the problem of energy imbalance in the distribution network caused by operation and topological constraints in multiple fault scenarios, and improving the ability to restore power-lost loads. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Some embodiments of the present disclosure are described below with reference to the accompanying drawings, in which:

[0020] Figure 1 It is a schematic diagram of the internal structure of a detachable mobile energy storage device management system provided in an embodiment of the present application.

[0021] Figure 2 It is a flow chart of a detachable mobile energy storage device management method provided in an embodiment of the present application.

[0022] Figure 3 It is a schematic diagram of the internal structure of a detachable mobile energy storage device management device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0023] It should be understood by those skilled in the art that the embodiments described below are only preferred embodiments of the present disclosure, and do not mean that the present disclosure can only be implemented through the preferred embodiments. The preferred embodiments are only used to explain the technical principles of the present disclosure, and are not used to limit the protection scope of the present disclosure. Based on the preferred embodiments provided by the present disclosure, all other embodiments obtained by ordinary technicians in this field without creative work should still fall within the protection scope of the present disclosure.

[0024] It should also be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, commodity or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, commodity or device. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the process, method, commodity or device including the elements.

[0025] The technical solution proposed in the embodiments of the present application is described in detail below with reference to the accompanying drawings.

[0026] Figure 1 A detachable mobile energy storage device management system is provided in the embodiment of the present application. Figure 1 As shown, the system provided in the embodiment of the present application mainly includes:

[0027] The detachable mobile energy storage device 110 is composed of a plurality of detachable energy storage components and a transport vehicle.

[0028] It should be noted that the detachable energy storage component in the detachable mobile energy storage device 110 provided in the present application can be removed for normal power supply, and can also be used to power other equipment on the vehicle, and is a detachable mobile energy storage device 110 .

[0029] The island division component 120 is used to obtain the distribution network nodes corresponding to the extreme fault when receiving the extreme fault signal, and then disconnect the distribution network nodes corresponding to the extreme fault; obtain the disconnected distribution network nodes through a preset interface, and then obtain a number of power grid islands.

[0030] It should be noted that the distribution network involved in the present application is composed of distributed power sources and distribution network nodes, and there are disconnect switches between the nodes.

[0031] The route division component 130 is used to obtain the number N of actual transport vehicles, the total number M of actual detachable energy storage components, the actual total power, and the calculated difference between the output of the distributed power source in the grid island and the total load value of the node in the grid island; obtain the weight of the distributed power source in the grid island, and determine the priority of the distributed power source according to the weight and the calculated difference; determine the distributed power source corresponding to each of the M actual detachable energy storage components according to the priority and the calculated difference of the distributed power source; based on the priority of the distributed power source, transport the actual detachable energy storage component to the corresponding distributed power source by N transport vehicles, and complete the connection between the detachable energy storage component and the distributed power source; obtain the calculated difference corresponding to the distributed power source in real time, and when the calculated difference is less than the preset difference threshold, the distributed power source is disconnected from the detachable energy storage component; based on the calculated difference and the priority, determine the next distributed power source corresponding to the disconnected detachable energy storage component, until an extreme fault elimination signal is received, or the calculated differences of the distributed power sources are all less than the preset difference threshold.

[0032] It should be noted that the solution for obtaining the weight of the distributed power source in the grid island may be to obtain it through a preset interface.

[0033] The specific scheme for obtaining the actual number of transport vehicles N, the actual total number of detachable energy storage components M, and the actual total power can be:

[0034] The actual data acquisition unit in the route division component 130 acquires the actual number of transport vehicles N, the actual total number of detachable energy storage components M, and the actual total power through a preset interface.

[0035] Among them, the priority of the distributed power source is determined according to the weight and the calculated difference, which can be specifically:

[0036] The priority determination unit in the route division component 130 uses the formula: level parameter = weight value * preset balance constant + | calculated difference value |; based on the size of the level parameter, priority is sorted from large to small.

[0037] According to the priority of the distributed power source and the calculated difference, the distributed power sources corresponding to the M actual detachable energy storage components are determined, which can be specifically:

[0038] The route dividing component 130 includes a distributed power supply component performance determination unit and a distributed power supply component allocation unit.

[0039] The dischargeable capacity and rechargeable capacity corresponding to the detachable energy storage component are obtained through the power component performance determination unit; the calculated difference of the distributed power source is obtained, and when the calculated difference is a positive number, the distributed power source charges the detachable energy storage component; when the calculated difference is a negative number, the distributed power source and the detachable energy storage component jointly output power to the load.

[0040] The distribution order of the detachable energy storage components is determined according to the priority of the distributed power supply through the distributed power supply component allocation unit; when the calculated difference of the current distributed power supply is a positive number, it is determined to obtain a number of detachable energy storage components from the unallocated detachable energy storage components through the branch and bound method, and the sum of the rechargeable capacities of the several detachable energy storage components is greater than the calculated difference; when the calculated difference of the current distributed power supply is a negative number, it is determined to obtain a number of detachable energy storage components from the unallocated detachable energy storage components through the branch and bound method, and the sum of the dischargeable capacities of the several detachable energy storage components is greater than the absolute value of the calculated difference; when there is a distributed power supply without a corresponding detachable energy storage component supply, wait for the disconnected detachable energy storage component; when there is a disconnected detachable energy storage component, first update the corresponding dischargeable capacity and rechargeable capacity, and then participate in the distribution.

[0041] In addition, the present application also provides a method for managing a detachable mobile energy storage device, such as Figure 2 As shown, the method provided in the embodiment of the present application mainly includes the following steps:

[0042] Step 210: When an extreme fault signal is received by the island partitioning component, the distribution network node corresponding to the extreme fault is obtained, and the distribution network node corresponding to the extreme fault is disconnected; the disconnected distribution network node is obtained through a preset interface, and a number of power grid islands are obtained.

[0043] Step 220: obtain the actual number of transport vehicles N, the total number of actual detachable energy storage components M, the actual total power and the calculated difference between the output of the distributed power source in the grid island and the total load value of the node in the grid island through the route division component; obtain the weight of the distributed power source in the grid island, and determine the priority of the distributed power source according to the weight and the calculated difference; determine the distributed power source corresponding to each of the M actual detachable energy storage components according to the priority and the calculated difference of the distributed power source; based on the priority of the distributed power source, transport the actual detachable energy storage component to the corresponding distributed power source through N transport vehicles, and complete the connection between the detachable energy storage component and the distributed power source; obtain the calculated difference corresponding to the distributed power source in real time, and when the calculated difference is less than the preset difference threshold, the distributed power source is disconnected from the detachable energy storage component; based on the calculated difference and the priority, determine the next distributed power source corresponding to the disconnected detachable energy storage component, until the extreme fault elimination signal is received, or the calculated differences of the distributed power sources are all less than the preset difference threshold.

[0044] The actual number of transport vehicles N and the actual total number of detachable energy storage components M are obtained, which can be specifically:

[0045] The actual number of transport vehicles N, the actual total number of detachable energy storage components M, and the actual total power are obtained through the preset interface.

[0046] Among them, the priority of the distributed power source is determined according to the weight and the calculated difference, which can be specifically:

[0047] By formula: level parameter = weight value * preset balance constant + |calculated difference|; based on the size of the level parameter, priority is sorted from large to small.

[0048] According to the priority of the distributed power source and the calculated difference, the distributed power sources corresponding to the M actual detachable energy storage components are determined, which can be specifically:

[0049] Obtain the dischargeable capacity and chargeable capacity corresponding to the detachable energy storage component; obtain the calculated difference of the distributed power source, when the calculated difference is a positive number, the distributed power source charges the detachable energy storage component; when the calculated difference is a negative number, the distributed power source and the detachable energy storage component jointly output to supply power to the load; determine the allocation order of the detachable energy storage components according to the priority of the distributed power source; when the calculated difference of the current distributed power source is a positive number, determine to obtain a number of detachable energy storage components from the unallocated detachable energy storage components through the branch and bound method, and the sum of the chargeable capacities of the several detachable energy storage components is greater than the calculated difference; when the calculated difference of the current distributed power source is a negative number, determine to obtain a number of detachable energy storage components from the unallocated detachable energy storage components through the branch and bound method, and the sum of the dischargeable capacities of the several detachable energy storage components is greater than the absolute value of the calculated difference; when there is a distributed power source without a corresponding detachable energy storage component supply, wait for the disconnected detachable energy storage component; when there is a disconnected detachable energy storage component, first update the corresponding dischargeable capacity and chargeable capacity, and then participate in the allocation.

[0050] The above is a method embodiment of the present application. Based on the same inventive concept, the present application embodiment also provides a detachable mobile energy storage device management device. Figure 3 As shown, the device includes: a processor; and a memory, on which executable codes are stored. When the executable codes are executed, the processor executes a detachable mobile energy storage device management method as described in the above embodiment.

[0051] Specifically, when the server receives an extreme fault signal through the island division component, it obtains the distribution network node corresponding to the extreme fault, and then disconnects the distribution network node corresponding to the extreme fault; obtains the disconnected distribution network node through the preset interface, and then obtains several grid islands; obtains the actual number of transport vehicles N, the actual total number of detachable energy storage components M, the actual total power and the calculated difference between the output of the distributed power source in the grid island and the total load value of the node in the grid island through the route division component; obtains the weight of the distributed power source in the grid island, and determines the priority of the distributed power source according to the weight and the calculated difference; Calculate the difference and determine the distributed power source corresponding to each of the M actual detachable energy storage components; based on the priority of the distributed power source, transport the actual detachable energy storage components to the corresponding distributed power source by N transport vehicles, and complete the connection between the detachable energy storage components and the distributed power source; obtain the calculated difference corresponding to the distributed power source in real time, and when the calculated difference is less than a preset difference threshold, the distributed power source is disconnected from the detachable energy storage component; based on the calculated difference and the priority, determine the next distributed power source corresponding to the disconnected detachable energy storage component, until an extreme fault elimination signal is received, or the calculated differences of the distributed power sources are all less than the preset difference threshold.

[0052] In addition, an embodiment of the present application further provides a non-volatile computer storage medium on which executable instructions are stored. When the executable instructions are executed, a detachable mobile energy storage device management method as described above is implemented.

[0053] So far, the technical solutions of the present disclosure have been described in combination with the above multiple embodiments, but it is easy for those skilled in the art to understand that the protection scope of the present disclosure is not limited to these specific embodiments. Without departing from the technical principles of the present disclosure, those skilled in the art can split and combine the technical solutions in the above-mentioned various embodiments, and can also make equivalent changes or replacements to the relevant technical features. Any changes, equivalent replacements, improvements, etc. made within the technical concept and / or technical principle of the present disclosure will fall within the protection scope of the present disclosure.

Claims

1. A detachable mobile energy storage device management system, characterized in that: The system comprises: A detachable mobile energy storage device, which is composed of a number of detachable energy storage components and a transport vehicle; The island partitioning component is used to obtain the distribution network node corresponding to the extreme fault when receiving the extreme fault signal, and then disconnect the distribution network node corresponding to the extreme fault; obtain the disconnected distribution network node through a preset interface, and then obtain a number of power grid islands; A route division component is used to obtain the actual number of transport vehicles N, the total number of actual detachable energy storage components M, the actual total power and the calculated difference between the output of the distributed power source in the grid island and the total load value of the node in the grid island; obtain the weight of the distributed power source in the grid island, and determine the priority of the distributed power source according to the weight and the calculated difference; determine the distributed power source corresponding to each of the M actual detachable energy storage components according to the priority and the calculated difference of the distributed power source; based on the priority of the distributed power source, transport the actual detachable energy storage component to the corresponding distributed power source by N transport vehicles, and complete the connection between the detachable energy storage component and the distributed power source; obtain the calculated difference corresponding to the distributed power source in real time, and when the calculated difference is less than the preset difference threshold, the distributed power source is disconnected from the detachable energy storage component; based on the calculated difference and the priority, determine the next distributed power source corresponding to the disconnected detachable energy storage component, until an extreme fault elimination signal is received, or the calculated differences of the distributed power sources are all less than the preset difference threshold; The route division component includes a distributed power component performance determination unit and a distributed power component allocation unit. The power component performance determination unit is used to obtain the dischargeable capacity and chargeable capacity corresponding to the detachable energy storage component; obtain the calculated difference of the distributed power source, when the calculated difference is a positive number, the distributed power source charges the detachable energy storage component; when the calculated difference is a negative number, the distributed power source and the detachable energy storage component jointly output power to the load; The distributed power component allocation unit is used to determine the allocation order of the detachable energy storage components according to the priority of the distributed power supply; when the calculated difference of the current distributed power supply is a positive number, it is determined to obtain a number of detachable energy storage components from the unallocated detachable energy storage components through the branch and bound method, and the sum of the rechargeable capacities of the several detachable energy storage components is greater than the calculated difference; when the calculated difference of the current distributed power supply is a negative number, it is determined to obtain a number of detachable energy storage components from the unallocated detachable energy storage components through the branch and bound method, and the sum of the dischargeable capacities of the several detachable energy storage components is greater than the absolute value of the calculated difference; when there is a distributed power supply without a corresponding detachable energy storage component supply, wait for the disconnected detachable energy storage component; when there is a disconnected detachable energy storage component, first update the corresponding dischargeable capacity and rechargeable capacity, and then participate in the allocation.

2. The detachable mobile energy storage device management system according to claim 1, characterized in that: The route division component contains the actual data acquisition unit, Used to obtain the actual number of transport vehicles N, the actual total number of detachable energy storage components M, and the actual total power through the preset interface.

3. The detachable mobile energy storage device management system according to claim 1, characterized in that: The routing component includes a prioritization unit. Used to pass the formula: level parameter = weight value * preset equilibrium constant + | calculated difference |; Based on the size of the level parameter, the priorities are sorted from large to small.

4. A detachable mobile energy storage device management method, applied to the detachable mobile energy storage device management system according to claim 1, characterized in that: The method comprises: When an extreme fault signal is received through the island partitioning component, the distribution network node corresponding to the extreme fault is obtained, and then the distribution network node corresponding to the extreme fault is disconnected; the disconnected distribution network node is obtained through a preset interface, and then a number of power grid islands are obtained; The number of actual transport vehicles N, the total number of actual detachable energy storage components M, the actual total power and the calculated difference between the output of the distributed power source in the grid island and the total load value of the node in the grid island are obtained through the route division component; the weight of the distributed power source in the grid island is obtained, and the priority of the distributed power source is determined according to the weight and the calculated difference; the distributed power source corresponding to each of the M actual detachable energy storage components is determined according to the priority and the calculated difference of the distributed power source; based on the priority of the distributed power source, the actual detachable energy storage component is transported to the corresponding distributed power source by N transport vehicles, and the connection between the detachable energy storage component and the distributed power source is completed; the calculated difference corresponding to the distributed power source is obtained in real time, and when the calculated difference is less than the preset difference threshold, the distributed power source is disconnected from the detachable energy storage component; based on the calculated difference and the priority, the next distributed power source corresponding to the disconnected detachable energy storage component is determined until the extreme fault elimination signal is received, or the calculated differences of the distributed power sources are all less than the preset difference threshold; According to the priority of the distributed power source and the calculated difference, the distributed power sources corresponding to the M actual detachable energy storage components are determined, specifically including: Obtain the dischargeable capacity and chargeable capacity corresponding to the detachable energy storage component; obtain the calculated difference of the distributed power supply. When the calculated difference is a positive number, the distributed power supply charges the detachable energy storage component; when the calculated difference is a negative number, the distributed power supply and the detachable energy storage component jointly output power to the load; According to the priority of the distributed power sources, the allocation order of the detachable energy storage components is determined; when the calculated difference of the current distributed power source is a positive number, it is determined to obtain a number of detachable energy storage components from the unallocated detachable energy storage components through the branch and bound method, and the sum of the rechargeable capacities of the several detachable energy storage components is greater than the calculated difference; when the calculated difference of the current distributed power source is a negative number, it is determined to obtain a number of detachable energy storage components from the unallocated detachable energy storage components through the branch and bound method, and the sum of the dischargeable capacities of the several detachable energy storage components is greater than the absolute value of the calculated difference; when there is a distributed power source without a corresponding detachable energy storage component supply, wait for the disconnected detachable energy storage component; when there is a disconnected detachable energy storage component, first update the corresponding dischargeable capacity and rechargeable capacity, and then participate in the allocation.

5. The detachable mobile energy storage device management method according to claim 4, characterized in that: Obtain the actual number of transport vehicles N and the total number of actual detachable energy storage components M, including: The actual number of transport vehicles N, the actual total number of detachable energy storage components M, and the actual total power are obtained through the preset interface.

6. The detachable mobile energy storage device management method according to claim 4, characterized in that: Determine the priority of distributed power sources based on the weights and calculated differences, including: By formula: level parameter = weight value * preset equilibrium constant + | calculated difference |; Based on the size of the level parameter, the priorities are sorted from large to small.

7. A detachable mobile energy storage device management device, characterized in that: The device comprises: processor; and a memory having executable codes stored thereon, which, when executed, causes the processor to execute a detachable mobile energy storage device management method as described in any one of claims 4 to 6.

8. A non-volatile computer storage medium, characterized in that: Computer instructions are stored thereon, and when the computer instructions are executed, a detachable mobile energy storage device management method as described in any one of claims 4-6 is implemented.

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