CN-121997504-A - Response map construction method for supporting power supply capacity and new energy consumption capacity

CN121997504ACN 121997504 ACN121997504 ACN 121997504ACN-121997504-A

Abstract

The invention discloses a response map construction method for capacity of a supporting power supply and new energy consumption capacity, which is characterized in that explicit regularization constraint is carried out on the installation position of each supporting power supply, a complex overall configuration problem of the supporting power supply is simplified into a capacity configuration problem on the premise that engineering can be implemented, after sample data of capacity proportioning vectors are collected, simulation calculation is carried out on the basis of set configuration rules and a power grid simulation model, a plurality of response indexes are obtained, so that a capacity proportioning response map is constructed, the map represents the mapping relation between any capacity proportioning vector and the plurality of response indexes, rapid adjustment and evaluation of the capacity configuration scheme of the supporting power supply in the power grid planning design stage are facilitated, the overall influence of capacity change of the supporting power supply on new energy consumption capacity and transient overvoltage risk can be accurately represented, and planning design requirements of rapid change of new energy scale and repeated evaluation of multiple scenes are well met.

Inventors

DENG JIAOJIAO
ZHENG XIAOMING
ZHANG YONGHAO
WANG YAO
FU ZIYU
HU YINGYING
SHI ZHENG
SHI JINKAI
LIANG YAN
WANG KAIKAI
REN AIPING

Assignees

国网山西省电力有限公司经济技术研究院

Dates

Publication Date: 20260508
Application Date: 20251219

Claims (10)

1. The method for constructing the response map of the capacity of the supporting power supply and the new energy consumption capability is characterized by comprising the following steps of: Constructing a power grid simulation model; Setting configuration rules of each supporting power supply, wherein the configuration rules comprise position configuration rules and capacity configuration rules; Constructing a capacity proportioning vector based on the capacity of a plurality of supporting power supplies, collecting a plurality of sample data of the capacity proportioning vector, carrying out installation capacity allocation on each sample data based on a set configuration rule, and carrying out simulation calculation based on an installation capacity allocation result of each sample data and a power grid simulation model to obtain a plurality of response indexes, wherein the response indexes comprise new energy consumption capacity response, transient overvoltage probability response and minimum new energy multi-station short-circuit ratio response; And constructing a capacity proportioning response map based on the plurality of sample data and the corresponding plurality of response indexes, wherein the capacity proportioning response map represents the mapping relation between any capacity proportioning vector and the plurality of response indexes.
2. The method for constructing a response map of a capacity of a supporting power source and a new energy consumption capability according to claim 1, wherein the process of constructing a capacity proportioning response map based on a plurality of sample data and a plurality of corresponding response indexes comprises the following steps: Constructing a capacity proportioning response basic model between the capacity proportioning vector and each response index; Based on a plurality of sample data and corresponding response indexes, carrying out parameter identification on each capacity proportioning response basic model to obtain a corresponding capacity proportioning response optimization model; And obtaining predicted values of a plurality of response indexes corresponding to any capacity proportioning vector based on the capacity proportioning response optimization model, and constructing a capacity proportioning response map.
3. The method for constructing a response map of the capacity and new energy consumption capability of a supporting power supply according to claim 2, wherein the supporting power supply comprises a regulator, an energy storage system and a dynamic reactive power compensation device, and the capacity proportioning response optimization model has the expression: ; Wherein, the Representing a volume proportioning vector The corresponding predicted value of the jth response indicator, Representing a volume proportioning vector In the (a) th-dimensional variable, Representing a volume proportioning vector In (c) the b-th dimensional variable, 、 And All are regression coefficients corresponding to the j-th response index.
4. The method for constructing a response map of a capacity of a supporting power source and a capacity of new energy consumption according to claim 1, further comprising: And carrying out quick forward inquiry of new energy consumption capability based on the capacity ratio response spectrum, or carrying out quick reverse inquiry of the capacity ratios of a plurality of supporting power supplies based on the capacity ratio response spectrum.
5. The method for constructing a response map of capacity and new energy consumption capability of a supporting power supply according to claim 4, wherein the process of performing rapid reverse query of a plurality of capacity ratios of the supporting power supply based on the capacity ratio response map comprises the following steps: giving constraint conditions of a plurality of response indexes; Constructing a regular space grid structure in the capacity proportioning space, wherein each grid point in the space grid structure corresponds to a capacity proportioning vector, obtaining predicted values of a plurality of response indexes based on a capacity proportioning response map for each grid point, and judging whether the predicted values of the plurality of response indexes meet constraint conditions or not; after the grid point traversal is completed, a plurality of grid points meeting the constraint condition are output as a feasible point set.
6. The method for constructing a response map of the capacity and new energy consumption capability of a supporting power supply according to claim 1, wherein the supporting power supply comprises a dispatching machine, an energy storage system and a dynamic reactive compensation device, the capacity allocation rules of the energy storage system and the dynamic reactive compensation device are that capacity allocation is carried out according to the installed ratio of new energy of each bus, and the capacity allocation rules of the dispatching machine are that capacity allocation is carried out based on the maximization of a minimum short-circuit ratio.
7. A response map construction system for supporting power capacity and new energy consumption capability is characterized by comprising: the simulation model construction module is used for constructing a power grid simulation model; the configuration rule setting module is used for setting the configuration rule of each supporting power supply, wherein the configuration rule comprises a position configuration rule and a capacity configuration rule; The simulation calculation module is used for constructing a capacity proportioning vector based on the capacities of a plurality of supporting power supplies, collecting a plurality of sample data of the capacity proportioning vector, carrying out installation capacity allocation on each sample data based on a set configuration rule, and carrying out simulation calculation based on an installation capacity allocation result of each sample data and a power grid simulation model to obtain a plurality of response indexes, wherein the response indexes comprise new energy consumption capacity response, transient overvoltage probability response and minimum new energy multi-station short-circuit ratio response; the response map construction module is used for constructing a capacity matching response map based on the plurality of sample data and the corresponding plurality of response indexes, wherein the capacity matching response map represents the mapping relation between any capacity matching vector and the plurality of response indexes.
8. The response spectrum construction system of supporting power capacity and new energy absorbing capacity as set forth in claim 7, further comprising: And the response map query module is used for carrying out quick forward query on new energy consumption capability based on the capacity ratio response map or quick reverse query on the capacity ratio of a plurality of supporting power supplies based on the capacity ratio response map.
9. An electronic device comprising a processor and a memory, wherein the memory has stored therein a computer program, and wherein the processor is configured to perform the steps of the method according to any of claims 1-6 by invoking the computer program stored in the memory.
10. A computer readable storage medium for storing a computer program for constructing a response map of supportive power source capacity and new energy consumption capability, wherein the computer program when run on a computer performs the steps of the method according to any one of claims 1-6.

Description

Response map construction method for supporting power supply capacity and new energy consumption capacity Technical Field The invention relates to the technical field of planning and design of power systems, in particular to a response map construction method and system for supporting power supply capacity and new energy consumption capacity, electronic equipment and a computer readable storage medium. Background With the continuous and rapid increase of the installation scale of new energy, the new energy centralized access area generally faces the problems of insufficient short-circuit capacity, weak voltage supporting capability, frequent transient overvoltage after failure and the like, directly restricts the output level of the new energy, and causes the phenomena of wind and light abandoning. Engineering practice shows that the problems are difficult to be solved economically and effectively by simply relying on grid enhancement or single supporting equipment, and commonly multiple supporting power supplies such as SC (Synchronous Condenser, phase adjuster), SVG (STATIC VAR Generator, dynamic reactive power compensation device), BESS (battery energy storage system) and the like are required to be cooperatively configured, so that the strength of a power grid and the voltage supporting capability during faults are improved. However, in the prior art, a plurality of supporting power supply capacities are mainly configured through experience, and scheme comparison and selection are performed in a mode of combining simulation verification, and the specific process is that the supporting power supply capacities are determined empirically first, then verified through electromagnetic transient simulation or electromechanical transient simulation, and if the requirements are not met, the capacity configuration scheme is adjusted repeatedly. Therefore, the prior art relies heavily on manual experience, so that the adjustment efficiency of the supporting power supply capacity configuration scheme is low, the integral influence of the supporting power supply capacity change on the new energy consumption capability and the transient overvoltage risk is difficult to systematically describe, a direct mapping relation between the new energy consumption target and the supporting power supply capacity configuration cannot be formed, and the planning and design requirements of rapid change of the new energy scale and repeated evaluation of multiple scenes cannot be met. Disclosure of Invention The invention provides a response map construction method and system for supporting power supply capacity and new energy consumption capacity, electronic equipment and a computer readable storage medium, which can be used for quickly adjusting and evaluating a supporting power supply capacity configuration scheme in a power grid planning and designing stage, accurately describing the integral influence of supporting power supply capacity change on the new energy consumption capacity and transient overvoltage risk, forming a direct mapping relation between a new energy consumption target and the supporting power supply capacity configuration, and well meeting planning and designing requirements of quick change of new energy scale and repeated multi-scene evaluation. According to one aspect of the invention, there is provided a response spectrum construction method of a supporting power source capacity and new energy consumption capability, comprising the following steps: Constructing a power grid simulation model; Setting configuration rules of each supporting power supply, wherein the configuration rules comprise position configuration rules and capacity configuration rules; Constructing a capacity proportioning vector based on the capacity of a plurality of supporting power supplies, collecting a plurality of sample data of the capacity proportioning vector, carrying out installation capacity allocation on each sample data based on a set configuration rule, and carrying out simulation calculation based on an installation capacity allocation result of each sample data and a power grid simulation model to obtain a plurality of response indexes, wherein the response indexes comprise new energy consumption capacity response, transient overvoltage probability response and minimum new energy multi-station short-circuit ratio response; And constructing a capacity proportioning response map based on the plurality of sample data and the corresponding plurality of response indexes, wherein the capacity proportioning response map represents the mapping relation between any capacity proportioning vector and the plurality of response indexes. Further, the process of constructing the capacity proportioning response map based on the plurality of sample data and the corresponding plurality of response indexes comprises the following steps: Constructing a capacity proportioning response basic model between the capacity proportioning vector and e