CN-121984073-A - Collaborative scheduling method and system for distributed energy storage system

CN121984073ACN 121984073 ACN121984073 ACN 121984073ACN-121984073-A

Abstract

The invention provides a collaborative scheduling method and a collaborative scheduling system for a distributed energy storage system, which belong to the technical field of energy storage systems, and specifically comprise the steps of determining a collaborative scheduling processing strategy of an energy storage adjustment combination according to an adaptation type of the energy storage adjustment of the power distribution area of the energy storage adjustment combination, and determining the collaborative scheduling processing strategy of the power distribution area of a preset adaptation type according to the coincidence condition of energy storage adjustment requirement time periods of the power distribution area of the energy storage adjustment combination and the power distribution area of a specific type when the collaborative scheduling processing strategy in the energy storage adjustment combination needs to be optimized, so that the reliability degree of energy storage adjustment is improved.

Inventors

YAN HAN
JIA TAO
LIU YUNFEI
YAO RUI
YUAN LIANG
ZHAO MINGGANG
ZHAO CHANGQING
WANG GUOXU
DONG CHUANSHENG
ZHANG YA
DENG FENG

Assignees

国网河南省电力公司南阳供电公司
国网河南综合能源服务有限公司
上海电力大学

Dates

Publication Date: 20260505
Application Date: 20260211

Claims (10)

1. The cooperative scheduling method for the distributed energy storage system is characterized by comprising the following steps of: Determining an adaptation type of energy storage regulation of a power distribution station based on energy storage regulation data of an energy storage device of the power distribution station, and determining the energy storage device of the power distribution station for constructing an energy storage regulation combination of the power distribution station based on the adaptation type of the power distribution station and line loss data of regulation processing of an energy storage system between the power distribution stations; and when the cooperative scheduling processing strategy in the energy storage regulation combination is determined to be required to be optimized based on the adaptation type of the energy storage regulation of the power distribution area of the energy storage regulation combination, determining the cooperative scheduling processing strategy of the power distribution area of the preset adaptation type according to the superposition condition of the energy storage regulation demand time period of the power distribution area and the power distribution area of the specific type in the energy storage regulation combination.
2. The collaborative scheduling method for a distributed energy storage system of claim 1, wherein the energy storage adjustment data comprises distribution data of energy storage adjustment periods in a history of energy storage devices of the power distribution substation.
3. The collaborative scheduling method for a distributed energy storage system according to claim 1 wherein the method of determining the type of adaptation of energy storage conditioning of the power distribution substation is: based on energy storage regulation data of an energy storage device of a power distribution station, determining distribution data of an energy storage regulation period of the power distribution station; based on the distribution data, determining the date of the energy storage adjustment period in the distribution area, and taking the date as the energy storage adjustment date; And determining the adaptation type of the energy storage regulation of the power distribution area according to the distribution data of the energy storage regulation date.
4. The collaborative scheduling method for a distributed energy storage system of claim 3, wherein determining an adaptation type of energy storage adjustment for the power distribution substation based on the energy storage adjustment date distribution data comprises: And when the date quantity ratio of the energy storage adjustment dates in the latest preset time period is larger than a preset duty ratio threshold value, determining the adaptation type of the energy storage adjustment of the power distribution area as an adaptation deviation type.
5. The collaborative scheduling method for a distributed energy storage system of claim 1 wherein said method of determining energy storage devices of a power distribution grid of a storage conditioning assembly is: determining a line loss rate between other power distribution cells and the power distribution cell based on line loss data of an adjustment process of an energy storage system between the other power distribution cells and the power distribution cell; determining other power distribution transformer areas with the line loss rate smaller than a preset threshold value based on the line loss rate, and taking the other power distribution transformer areas as basic adaptation transformer areas; And determining whether the energy storage device of the adaptive transformer area is an energy storage device for constructing an energy storage regulation combination of the power distribution transformer area according to the adaptive types of different adaptive transformer areas and the adaptive types of the power distribution transformer areas.
6. The collaborative scheduling method for a distributed energy storage system of claim 5 wherein the line loss rate between the other power distribution bays and the power distribution bays is determined based on an average of the line loss rates of the energy storage devices of the other power distribution bays during energy storage conditioning of the power distribution bays.
7. The collaborative scheduling method for a distributed energy storage system of claim 6 wherein the adaptive distribution area is another distribution area having a line loss rate within a predetermined range.
8. The collaborative scheduling method for a distributed energy storage system according to claim 1, wherein the method for determining a collaborative adjustment processing policy for a power distribution substation of a preset adaptation type is: determining the energy storage regulation demand time period of the power distribution station of the specific type according to the superposition condition of the energy storage regulation demand time period of the power distribution station in the energy storage regulation combination and the energy storage regulation demand time period of the specific type, and taking the power distribution station in the energy storage regulation combination belonging to the energy storage regulation demand time period as the superposition power distribution station in the energy storage regulation demand time period; According to the coincident power distribution area data of the energy storage regulation demand time period of the specific type of power distribution area, determining coincident energy storage regulation demand time period data of different power distribution areas in the latest preset time period; And determining a cooperative regulation processing strategy of the power distribution transformer areas of the preset adaptation type in the energy storage regulation combination according to the energy storage regulation demand time period data of the specific type of the power distribution transformer areas in the energy storage regulation combination and the coincident energy storage regulation demand time period data of the power distribution transformer areas in the latest preset time period.
9. The collaborative scheduling method for a distributed energy storage system of claim 8, wherein the collaborative adjustment processing policy for a power distribution bay of a preset fit type in the energy storage adjustment combination is determined to be a preset collaborative adjustment policy when the number of power distribution bays of a specific type in the energy storage adjustment combination does not meet a demand.
10. A computer system comprising a memory and a processor in communication, and a computer program stored on the memory and capable of running on the processor, wherein the processor, when running the computer program, performs a co-scheduling method for a distributed energy storage system according to any one of claims 1-9.

Description

Collaborative scheduling method and system for distributed energy storage system Technical Field The invention belongs to the technical field of energy storage systems, and particularly relates to a collaborative scheduling method and system for a distributed energy storage system. Background In order to improve the operation reliability of a power distribution network, a plurality of energy storage systems are arranged in different distribution areas in the power distribution network in a scattered manner by a power grid enterprise so as to meet the energy storage regulation requirement of the power distribution network, an upper-layer optimization model is adopted to determine the access position and the access quantity of distributed energy storage in the patent application CN202510618362.5 of the multi-target area level movable distributed energy storage multi-target scheduling optimization method, and the lower-layer optimization model is solved based on the access position and the access quantity of the distributed energy storage determined by the upper-layer optimization model to obtain the optimal output value of the energy storage in each period, so that the operation cost of the power distribution network is reduced, the distributed power supply consumption rate is increased, the voltage qualification rate is increased, and the network loss of the power distribution network is reduced. When the cooperative scheduling processing of the distributed energy storage system is performed, the line loss condition of energy storage adjustment between different power distribution areas according to the energy storage system is ignored in the prior art, the energy storage system is divided into adjustment combinations of the same energy storage system, the specific single energy storage adjustment processing of the power distribution areas is performed by utilizing a certain power distribution area, the reliability of the energy storage adjustment processing of the power distribution areas cannot be ensured, and therefore if the energy storage system cannot be divided into the adjustment combinations of the same energy storage system, the cooperative scheduling control is performed, the residual energy storage capacity of the power distribution areas possibly exists in the energy storage adjustment requirement period of the power distribution areas, and the response processing of the energy storage adjustment requirement cannot be performed timely and effectively. In order to solve the technical problems, the application provides a collaborative scheduling method and a collaborative scheduling system for a distributed energy storage system. Disclosure of Invention In order to achieve the purpose of the invention, the invention adopts the following technical scheme: specifically, the application provides a cooperative scheduling method for a distributed energy storage system, which specifically comprises the following steps: S1, determining an adaptation type of energy storage regulation of a power distribution station based on energy storage regulation data of an energy storage device of the power distribution station, and determining the energy storage device of the power distribution station for constructing an energy storage regulation combination of the power distribution station based on the adaptation type of the power distribution station and line loss data of regulation processing of an energy storage system between the power distribution stations; s2, when the cooperative scheduling processing strategy in the energy storage adjustment combination is determined to be required to be optimized according to the adaptation type of the energy storage adjustment of the power distribution area of the energy storage adjustment combination, the cooperative adjustment processing strategy of the power distribution area of the preset adaptation type is determined according to the coincidence condition of the energy storage adjustment demand time periods of the power distribution area and the power distribution area of the specific type in the energy storage adjustment combination. The invention has the beneficial effects that: The method is characterized in that the energy storage device of the power distribution station for constructing the energy storage regulation combination of the power distribution station is determined based on the adaptation type of the power distribution station and line loss data of regulation processing of an energy storage system between the power distribution stations, so that the energy storage device of the power distribution station for constructing the energy storage regulation combination of the power distribution station is determined according to the energy storage regulation requirement caused by the adaptation type of the power distribution station, and the line loss data are further combined, and the technical problem of overlarge line loss in the energy storage regulation