A dual game method and system for multiple virtual power plants and power distribution systems

By using the fuzzy set based on KL divergence to construct a distributed robust optimization model in the game method between virtual power plants and power distribution systems, the problem of uncertainty of distributed renewable energy in the existing technology is solved, and more efficient energy interaction strategy and resource allocation efficiency are achieved.

CN119154353BActive Publication Date: 2025-03-21国网浙江综合能源服务有限公司
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Patent Information

Application Number
CN202411613678.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-11-13
Publication Date
2025-03-21
Estimated Expiration
2044-11-13

AI Technical Summary

Technical Problem

The existing game methods between virtual power plants and distribution systems are based on simplified assumptions and cannot accurately reflect the intermittentity and uncertainty of distributed renewable energy, resulting in deviations in game results and affecting the optimal operation decisions of virtual power plants and distribution systems.

Method used

A fuzzy set based on KL divergence is used to construct a distributed robust optimization model, considering the uncertainty of distributed photovoltaics, it is converted into a distributed robust optimization model for distribution systems and virtual power plants, and an interactive strategy between multiple virtual power plants and distribution systems is constructed through a dual game model.

Benefits of technology

By adjusting the KL divergence, conservative control of robust distribution optimization is achieved, and the applicability of the dual game method of multiple virtual power plants and distribution systems is improved, helping to better integrate distributed energy and improve the resource allocation efficiency of the entire power system.

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Abstract

The present invention discloses a dual game method and system of multiple virtual power plants and distribution systems, the method comprising: constructing a distribution system operation model and a virtual power plant operation model respectively with the goal of minimizing the operation cost; converting the distribution system operation model and the virtual power plant operation model into corresponding distributed blue-robust optimization models respectively according to the uncertainty of distributed photovoltaics; constructing a first game model between multiple virtual power plants and the distribution system with the electricity price strategy and the grid-connected power as the interactive variables; constructing a second game model between the virtual power plants with the active power transmitted between the virtual power plants as the interactive variables; constructing a dual game model of multiple virtual power plants and the distribution system based on the first game model and the second game model; solving the dual game model to obtain the optimal power generation plan and the optimal energy interaction strategy. The present invention can balance the supply and demand relationship of the power system and improve the resource allocation efficiency of the entire power system.
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