Research on the Capacity Allocation Optimization of Island Micro-grid Including Wind Power, Tidal Current Energy and Energy Storage

Abstract

Taking the isolated island micro-grid as the research object, considering its special scenarios and scarcity of land resources and other factors, based on the renewable resources available on the island, wind power generation, tidal current power generation and battery energy storage system are used as distributed power sources to build a clean and independent island renewable energy micro-grid. Aiming at the capacity allocation problem of distributed power generation in micro-grid, considering the economy, reliability and energy utilization, and aiming to minimize the power supply missing rate, unit energy cost and energy discard rate, an island micro-grid capacity allocation model is established. The three-objective optimization model uses the multi-objective particle swarm optimization algorithm to solve the established model, and obtains different capacity allocation schemes. Through numerical example simulation, the results verify the effectiveness and feasibility of the proposed multi-objective capacity allocation method.