Shared energy storage scheduling method and system based on energy frequency modulation and load demand

By establishing a collaborative scheduling objective function and hierarchical control strategy for shared energy storage systems, the problems of power system frequency instability and low utilization efficiency of energy storage systems caused by a high proportion of renewable energy have been solved, achieving efficient collaborative optimization and safe operation of shared energy storage systems on both the grid and user sides.

CN115733189BActive Publication Date: 2026-07-24CHINA THREE GORGES CORPORATION +2
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Patent Information

Application Number
CN202211432485.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-11-16
Publication Date
2026-07-24
Estimated Expiration
2042-11-16

AI Technical Summary

Technical Problem

The randomness and volatility of a high proportion of renewable energy leads to unstable power system frequency. Battery energy storage systems have low utilization efficiency and poor economic performance. Shared energy storage systems face frequent switching and safety risks when coordinating and optimizing scheduling between the grid side and the user side.

Method used

Establish a collaborative scheduling objective function for shared energy storage systems to participate in energy frequency regulation and load demand. Combined with a mixed-integer linear programming algorithm, optimize the configuration and charging/discharging of shared energy storage systems through a hierarchical control strategy to reduce frequent switching and improve system safety and efficiency.

Benefits of technology

It enables collaborative and optimized scheduling of shared energy storage systems in multiple scenarios, improves system utilization efficiency, extends service life, and ensures safety and economic benefits.

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Abstract

The application provides a shared energy storage scheduling method and system based on energy frequency modulation and load demand, the method comprising: establishing a target function of a shared energy storage system participating in collaborative scheduling of energy frequency modulation and load demand; inputting relevant parameters of a power grid side, a user side and the shared energy storage system into the target function; solving the target function according to a target function constraint condition and a switching cost of a load importance degree, combining a mixed integer linear programming algorithm to obtain a shared energy storage configuration scheme; configuring the shared energy storage system according to the shared energy storage configuration scheme, and controlling the shared energy storage system to participate in energy collaborative scheduling of the power grid side and the user side according to a hierarchical control strategy of the shared energy storage system. The application simultaneously makes the shared energy storage system participate in collaborative optimization scheduling of the power grid side and the user side, improves the service life of the shared energy storage system through the hierarchical control strategy, embodies the application value of the shared energy storage system and improves the utilization efficiency of the shared energy storage system.
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