Optimization of Power Capacity Allocation of Wind-Wind Microgrid Based on NGO Algorithm
Compared with photovoltaic or wind energy independent power supply system,wind-solar complementary system can better adapt to environmental changes,and then have energy storage adjustment function,wind energy,solar energy and battery microgrid can better use clean energy to meet the system electricity demand.In this paper,the optimal capacity configuration of wind-solar components and batteries in wind-solar microgrid with wind-solar storage is studied.The reliability of power supply,supply and demand balance and the state of battery charge of micro-grid are taken as constraints,and the operating cost of grid is taken as the minimum objective function.Through the analysis of the example,scenario 3 is the optimal capacity configuration scheme of the example microgrid,and its operating cost is reduced by 12.48%and 4.07%compared with scenario 1 and scenario 2,respectively,which verifies the effectiveness of the proposed model and has engineering application value.
Microgrid systemWind and solar complementary power generationNorthern Goshawk Optimization(NGO)Capacity allocationState of charge(SOC)
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