Island micro-grid energy storage configuration method and device for wind-solar-storage-fuel bundling

By optimizing energy storage configuration under constraints using the particle swarm optimization algorithm, the problem of high configuration cost of energy storage devices in isolated microgrids is solved, and economical configuration and system compatibility of energy storage devices are achieved.

CN120728656BActive Publication Date: 2026-06-26TIANJIN UNIV
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Patent Information

Application Number
CN202510719701.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-05-30
Publication Date
2026-06-26
Estimated Expiration
2045-05-30

AI Technical Summary

Technical Problem

In existing technologies, the configuration of energy storage devices in isolated microgrids adopts a fixed ratio mode, which leads to redundant energy storage capacity, high investment costs, and traditional methods are difficult to effectively balance the regulation capability and cost of energy storage devices.

Method used

The particle swarm optimization algorithm is used to optimize energy storage configuration under constraints. By constructing energy storage configuration constraints, including rated power, rated energy and power deviation limits, and combining them with a penalty function to optimize the objective function, the economical configuration of energy storage equipment is achieved.

Benefits of technology

It reduces the energy storage configuration cost of offshore island microgrids, while maintaining the compatibility and stability of the original energy management system, and reduces the investment and operating costs of energy storage equipment.

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Abstract

The application provides an island micro-grid energy storage configuration method and device for wind, light, storage and bundling, and the method comprises the following steps: constructing an energy storage configuration constraint condition, which is used for constraining the rated power and rated energy of the configured energy storage device; solving an optimization problem based on the constraint condition to obtain an energy storage configuration result of the island micro-grid, wherein the energy storage configuration result comprises the rated power and rated energy of the energy storage device, and a target function of the optimization problem is determined based on the cost corresponding to the energy storage configuration result; wherein the island micro-grid comprises a plurality of energy management nodes, each energy management node corresponds to a turbine generator, and the photovoltaic power generation device, the wind power generation device and the energy storage device in the island micro-grid are connected to the AC grid connection point of the turbine generator in the energy management node through a converter. The application can reduce the energy storage configuration cost of the offshore island micro-grid.
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