Disclosure of Invention
In order to overcome the defects in the prior art, the application provides a detachable mobile energy storage device management system, a method, equipment and a medium, which are used for solving the problems that the existing mobile energy storage system only comprises one energy storage module, the power supply recovery efficiency of a power distribution network is affected, in addition, when a power distribution network is in an extreme event, the existing processing mode mainly breaks a node at a fault position, the power supply continuity is poor, the utilization efficiency of a distributed power supply is low and the like. In addition, the existing mobile energy storage system mainly supplies power from near to far according to distance, and the problem of unbalanced power supply exists.
The application provides a separable mobile energy storage device management system, which comprises a separable mobile energy storage device, an island dividing component, a route dividing component, a calculating difference value, a weight and a calculating difference value, wherein the separable mobile energy storage device consists of a plurality of separable energy storage components and a transport vehicle, the island dividing component is used for acquiring power distribution network nodes corresponding to extreme faults when an extreme fault signal is received, disconnecting the power distribution network nodes corresponding to the extreme faults, acquiring the disconnected power distribution network nodes through a preset interface, further acquiring a plurality of power grid islands, the route dividing component is used for acquiring the number N of the actual transport vehicles, the total number M of the actual separable energy storage components, the actual total electric quantity and the calculating difference value of the distributed power supply in the power grid islands, determining the priority of the distributed power supply according to the weight and the calculating difference value, determining the corresponding distributed power supply of the M actual separable energy storage components according to the priority of the distributed power supply and the calculating difference value, conveying the actual separable energy storage components to the corresponding distributed power supply through N transport vehicles, completing the separable energy storage components to be connected to the corresponding distributed power supply through the preset interface, and completing the separable energy storage components and being connected with the corresponding distributed power supply when the obtained power storage components are disconnected and the preset power storage components are equal to the preset and the calculated difference value, and the distributed power supply is equal to be equal to the threshold value and is calculated and equal to the calculated and is smaller than the threshold value and is calculated and equal to the threshold value is calculated and is equal to the value and is smaller than the corresponding to the threshold value and is calculated and is equal to the threshold value.
Further, the route dividing component comprises an actual data obtaining unit, and the actual data obtaining unit is used for obtaining the number N of the actual transport vehicles, the total number M of the actual separable energy storage components and the actual total electric quantity through a preset interface.
Further, the route dividing component comprises a priority determining unit for calculating a difference value I through a formula of rank parameter=weight value and preset balance constant++, and prioritizing based on the size of the rank parameter from large to small.
The route dividing assembly comprises a distributed power assembly performance determining unit and a distributed power assembly distributing unit, wherein the power assembly performance determining unit is used for obtaining the dischargeable capacity and the chargeable capacity corresponding to the separable energy storage assemblies, obtaining a calculated difference value of the distributed power, when the calculated difference value is positive, the distributed power is used for carrying out charging treatment on the separable energy storage assemblies, when the calculated difference value is negative, the distributed power and the separable energy storage assemblies jointly exert force to supply power for loads, the distributed power assembly distributing unit is used for determining the distribution sequence of the separable energy storage assemblies according to the priority of the distributed power, when the calculated difference value of the current distributed power is positive, determining that a plurality of separable energy storage assemblies are obtained from the unassigned separable energy storage assemblies through a branch limit method, and the sum of the chargeable capacities of the separable energy storage assemblies is larger than the calculated difference value, when the calculated difference value of the current distributed power is negative, determining that the sum of the dischargeable energy storage assemblies is larger than the absolute value of the calculated difference value, when the distributed power is present, the separable energy storage assemblies are connected to the separable energy storage assemblies in a standby mode, and when the corresponding separable energy storage assemblies are disconnected, and the separable energy storage assemblies can be connected to each other in advance.
The application provides a separable mobile energy storage device management method, which comprises the steps of obtaining power distribution network nodes corresponding to extreme faults through island dividing components when extreme fault signals are received, disconnecting the power distribution network nodes corresponding to the extreme faults, obtaining disconnected power distribution network nodes through preset interfaces, obtaining a plurality of power grid islands, obtaining the number N of actual transport vehicles, the total number M of the actual separable energy storage components, the total actual electric quantity and the calculated difference value of the output of a distributed power supply in the power grid islands and the total load value of nodes in the power grid islands through route dividing components, obtaining the weight of the distributed power supply in the power grid islands, determining the priority of the distributed power supply according to the weight and the calculated difference value, determining the distributed power supply corresponding to each of the M actual separable energy storage components according to the priority of the distributed power supply and the calculated difference value, conveying the actual separable energy storage components to the corresponding distributed power supply through N transport vehicles based on the priority of the distributed power supply, obtaining the calculated difference value corresponding to the distributed power supply in real time, and determining that the separable energy storage components are connected to the corresponding distributed power supply when the preset difference value is smaller than the preset threshold value, and the separable energy storage components are disconnected from the corresponding to the distributed power supply when the preset difference value is smaller than the preset, and the threshold value is calculated and the separable power storage components are disconnected based on the preset and the threshold value is calculated.
Further, the method for obtaining the number N of the actual transport vehicles and the total number M of the actual separable energy storage components specifically comprises the step of obtaining the number N of the actual transport vehicles, the total number M of the actual separable energy storage components and the actual total electric quantity through a preset interface.
Further, the priority of the distributed power supply is determined according to the weight sum and the calculated difference, and the method specifically comprises the steps of calculating the difference I according to the formula that the grade parameter=weight value is a preset balance constant++, and sequencing the priority from large to small based on the grade parameter.
The method comprises the steps of determining a distribution type power supply corresponding to each of M practical separable energy storage components according to the priority and a calculated difference value of the distribution type power supply, wherein the distribution type power supply specifically comprises the steps of obtaining a dischargeable capacity and a chargeable capacity corresponding to the separable energy storage components, obtaining the calculated difference value of the distribution type power supply, conducting charging treatment on the separable energy storage components by the distribution type power supply when the calculated difference value is positive, enabling the distributed type power supply and the separable energy storage components to jointly exert power for supplying power to a load when the calculated difference value is negative, determining the distribution sequence of the separable energy storage components according to the priority of the distribution type power supply, determining that the separable energy storage components are obtained from the unassigned separable energy storage components through a branch limit method when the calculated difference value of the current distribution type power supply is positive, enabling the sum of the chargeable capacity of the separable energy storage components to be larger than the calculated difference value, determining that the sum of the chargeable capacity of the separable energy storage components is larger than the calculated difference value from the unassigned separable energy storage components through the branch limit method when the calculated difference value of the current distribution type power supply is negative, enabling the separable energy storage components to be larger than the absolute value of the calculated difference value when the separable energy storage components which are not corresponding to be supplied by the distribution type power supply, and enabling the separable energy storage components to be disconnected when the separable energy storage components which are available and can be connected to be disconnected, and enabling the separable energy storage components to participate in charging and accordingly to be charged and disconnected.
In a third aspect, the present application provides a detachable mobile energy storage device management apparatus comprising a processor, and a memory having executable code stored thereon that when executed causes the processor to perform a detachable mobile energy storage device management method as in any of the above.
In a fourth aspect, the present application provides a non-volatile computer storage medium having stored thereon computer instructions which, when executed, implement a method of detachable mobile energy storage device management as in any one of the above.
As will be appreciated by those skilled in the art, the present application has at least the following beneficial effects:
The electric energy transportation device is a detachable movable energy storage device, and the detachable movable energy storage device consists of a plurality of detachable energy storage components and a transportation vehicle, so that more flexible distribution of energy storage serving as a standby power supply can be realized, and the problem that the power supply recovery efficiency of a power distribution network is affected due to the fact that only one energy storage module is contained in the conventional movable energy storage system is solved.
When an extreme event occurs, a part of lines are broken, so that a large area of power failure of users in the distribution network is caused. And (5) carrying out power supply restoration of the power distribution network by using the detachable movable energy storage device. On the one hand, the state of the node switch of the power distribution network is remotely controlled through the island dividing component, and the power distribution network is divided into a plurality of islands. On each island, the distributed power supply in the micro-grid is a power supply for supplying power to the load and is used as an interface of the power distribution network and the detachable mobile energy storage system, so that the distributed power supply is effectively utilized, and the problems that when the power distribution network is in an extreme event, the node at the fault is mainly disconnected in the existing processing mode, the power supply continuity is poor and the utilization efficiency of the distributed power supply is low are solved. On the other hand, the path of the separable movable energy storage device is solved through the route dividing component, and the separable movable energy storage device can be fully utilized to flexibly supply power to the electric load. In addition, the energy storage component can be separated through a transportation path to transmit energy among islands, so that the problem of unbalanced energy of the power distribution network caused by operation and topological constraint under a multi-fault scene is solved, and the recovery capacity of a power loss load is improved.
Detailed Description
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 represent that the present disclosure can be realized only by the preferred embodiments, which are merely for explaining the technical principles of the present disclosure, not for limiting the scope of the present disclosure. Based on the preferred embodiments provided by the present disclosure, all other embodiments that may be obtained by one of ordinary skill in the art without inventive effort shall still fall within the scope of the present disclosure.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
The following describes the technical scheme provided by the embodiment of the application in detail through the attached drawings.
Fig. 1 is a schematic diagram of a detachable mobile energy storage device management system according to an embodiment of the present application. As shown in fig. 1, the system provided by the embodiment of the present application mainly includes:
the detachable movable energy storage device 110, and the detachable movable energy storage device 110 is composed of a plurality of detachable energy storage components and a transport vehicle.
It should be noted that, the detachable energy storage component in the detachable mobile energy storage device 110 provided by the application can be detached to normally supply power, and can also supply power to other devices on the vehicle, so that the detachable mobile energy storage device 110 is provided.
The island dividing component 120 is configured to obtain a power distribution network node corresponding to an extreme fault when receiving the extreme fault signal, further disconnect the power distribution network node corresponding to the extreme fault, and obtain the disconnected power distribution network node through a preset interface, further obtain a plurality of power grid islands.
It should be noted that the power distribution network related by the application is composed of distributed power sources and power distribution network nodes, and disconnection switches are arranged between the nodes.
The route dividing component 130 is used for obtaining the number N of the actual transport vehicles, the total number M of the actual separable energy storage components, the actual total electric quantity and the calculated difference value of the output of the distributed power supply in the grid island and the total load value of the node in the grid island, obtaining the weight of the distributed power supply in the grid island, determining the priority of the distributed power supply according to the weight and the calculated difference value, determining the corresponding distributed power supply of the M actual separable energy storage components according to the priority of the distributed power supply and the calculated difference value, conveying the actual separable energy storage components to the corresponding distributed power supply through the N transport vehicles based on the priority of the distributed power supply, completing the connection of the separable energy storage components and the distributed power supply, obtaining the calculated difference value corresponding to the distributed power supply in real time, disconnecting the distributed power supply from the separable energy storage components when the calculated difference value is smaller than a preset difference value threshold, determining the next distributed power supply corresponding to the disconnected separable energy storage components based on the calculated difference value and the calculated difference value until an extreme fault eliminating signal is received or the calculated difference value of the distributed power supply is smaller than the preset difference value threshold.
It should be noted that, the scheme for acquiring the weight of the distributed power supply in the grid island may be that the weight is acquired through a preset interface.
The specific scheme for obtaining the number N of the actual transport vehicles, the total number M of the actual separable energy storage components and the actual total electric quantity can be as follows:
the actual data acquiring unit in the route dividing component 130 acquires the number N of the actual transport vehicles, the total number M of the actual separable energy storage components and the actual total electric quantity through a preset interface.
The determining the priority of the distributed power supply according to the weight sum and the calculated difference value may specifically be:
The priority determining unit in the routing component 130 calculates the difference value by the formula of rank parameter=weight value + | and prioritizes based on the size of the rank parameter from large to small.
The determining, according to the priority of the distributed power sources and the calculated difference value, the distributed power sources corresponding to each of the M actual separable energy storage components may specifically be:
The routing component 130 includes a distributed power component performance determination unit and a distributed power component allocation unit.
The method comprises the steps of obtaining the corresponding dischargeable capacity and chargeable capacity of a separable energy storage component through a power component performance determining unit, obtaining a calculated difference value of a distributed power supply, carrying out charging treatment on the separable energy storage component by the distributed power supply when the calculated difference value is positive, and providing power for a load by the distributed power supply and the separable energy storage component together when the calculated difference value is negative.
The method comprises the steps of determining an allocation sequence of separable energy storage components according to the priority of a distributed power supply through a distributed power supply component allocation unit, determining that a plurality of separable energy storage components are obtained from unassigned separable energy storage components through a branch limit method when the calculated difference of the current distributed power supply is positive, wherein the sum of chargeable capacities of the separable energy storage components is larger than the calculated difference, determining that the plurality of separable energy storage components are obtained from unassigned separable energy storage components through the branch limit method when the calculated difference of the current distributed power supply is negative, wherein the sum of the dischargeable capacities of the separable energy storage components is larger than the absolute value of the calculated difference, waiting for disconnecting the separable energy storage components when the corresponding separable energy storage components are not supplied by the distributed power supply, and updating the corresponding dischargeable capacity and chargeable capacity when the disconnected separable energy storage components are present, and then participating in allocation.
In addition, the embodiment of the application also provides a detachable mobile energy storage device management method, as shown in fig. 2, which mainly comprises the following steps:
step 210, when an island dividing component receives an extreme fault signal, acquiring a power distribution network node corresponding to the extreme fault, further disconnecting the power distribution network node corresponding to the extreme fault, and acquiring the disconnected power distribution network node through a preset interface, further acquiring a plurality of power grid islands.
Step 220, obtaining the number N of the actual transport vehicles, the total number M of the actual separable energy storage components, the actual total electric quantity and the calculated difference value of the output of the distributed power supply in the grid island and the total load value of the node in the grid island through the route dividing component, obtaining the weight of the distributed power supply in the grid island, determining the priority of the distributed power supply according to the weight and the calculated difference value, determining the corresponding distributed power supply of each of the M actual separable energy storage components according to the priority of the distributed power supply and the calculated difference value, conveying the actual separable energy storage components to the corresponding distributed power supply through the N transport vehicles based on the priority of the distributed power supply, completing connection of the separable energy storage components and the distributed power supply, obtaining the calculated difference value corresponding to the distributed power supply in real time, disconnecting the distributed power supply from the separable energy storage components when the calculated difference value is smaller than a preset difference value, determining the next distributed power supply corresponding to the disconnected separable energy storage components based on the calculated difference value and the calculated difference value until an extreme fault elimination signal is received or the calculated difference value of the distributed power supply is smaller than the preset difference value.
The number N of actual transport vehicles and the total number M of actual separable energy storage components are obtained, which may be specifically:
the number N of the actual transport vehicles, the total number M of the actual separable energy storage components and the actual total electric quantity are obtained through a preset interface.
The determining the priority of the distributed power supply according to the weight sum and the calculated difference value may specifically be:
The method comprises the steps of calculating a difference value I by a formula of grade parameter=weight value+preset balance constant, and sequencing priority based on the grade parameter from big to small.
The determining, according to the priority of the distributed power sources and the calculated difference value, the distributed power sources corresponding to each of the M actual separable energy storage components may specifically be:
The method comprises the steps of obtaining the corresponding dischargeable capacity and chargeable capacity of a separable energy storage component, obtaining a calculated difference value of a distributed power supply, carrying out charging treatment on the separable energy storage component by the distributed power supply when the calculated difference value is positive, jointly exerting force to supply power to a load by the distributed power supply and the separable energy storage component when the calculated difference value is negative, determining the distribution sequence of the separable energy storage component according to the priority of the distributed power supply, obtaining a plurality of separable energy storage components from unassigned separable energy storage components by a branch limit method when the calculated difference value of the current distributed power supply is positive, enabling the sum of the chargeable capacities of the plurality of separable energy storage components to be larger than the calculated difference value, determining to obtain a plurality of separable energy storage components from unassigned separable energy storage components by a branch limit method when the calculated difference value of the current distributed power supply is negative, waiting for disconnecting the separable energy storage components, and updating the corresponding dischargeable capacity and the separable energy storage components to participate in the distribution when the disconnected separable energy storage components are disconnected.
The above is a method embodiment of the present application, and based on the same inventive concept, the embodiment of the present application further provides a detachable mobile energy storage device management apparatus. As shown in fig. 3, the apparatus includes a processor and a memory having executable code stored thereon, which when executed, causes the processor to perform a method of detachable mobile energy storage device management as in the above-described embodiments.
The method comprises the steps of obtaining power distribution network nodes corresponding to extreme faults through an island dividing component when an extreme fault signal is received by a server side, further disconnecting the power distribution network nodes corresponding to the extreme faults, obtaining disconnected power distribution network nodes through a preset interface, further obtaining a plurality of power grid islands, obtaining the number N of actual transport vehicles, the total number M of the actual separable energy storage components, the actual total electric quantity and the calculated difference value of the output of a distributed power supply in the power grid islands and the total load value of the nodes in the power grid islands through a route dividing component, obtaining the weight of the distributed power supply in the power grid islands, determining the priority of the distributed power supply according to the weight and the calculated difference value, determining the distributed power supply corresponding to each of the M actual separable energy storage components according to the priority of the distributed power supply and the calculated difference value, conveying the actual separable energy storage components to the corresponding distributed power supply through N transport vehicles based on the priority of the distributed power supply, obtaining the calculated difference value corresponding to the distributed power supply in real time, disconnecting the distributed power supply and the separable energy storage components when the calculated difference value is smaller than a threshold value, determining that the calculated difference value is equal to or smaller than the preset threshold value, and eliminating the preset fault signal corresponding to the distributed power supply.
In addition, the embodiment of the application also provides a nonvolatile computer storage medium, on which executable instructions are stored, and when the executable instructions are executed, the separable mobile energy storage device management method is realized.
Thus far, the technical solution of the present disclosure has been described in connection with the foregoing embodiments, but it is easily understood by those skilled in the art that the protective scope of the present disclosure is not limited to only these specific embodiments. The technical solutions in the above embodiments may be split and combined by those skilled in the art without departing from the technical principles of the present disclosure, and equivalent modifications or substitutions may be made to related technical features, which all fall within the scope of the present disclosure.