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Two-stage ADMM-based distributed optimal reactive power control method for wind farms considering wake effects

查看全文 作　　者：Zhenming [1,2]Li;Zhao [1]Xu;Yawen [3]Xie;Donglian [2]Qi;Jianliang [2]Zhang 高影响力作者 机构地区：[1]Department of Electrical Engineering,The Hong Kong Polytechnic University,Kowloon,HKSAR,P.R.China;[2]College of Electrical Electronic Engineering,Zhejiang University,Hangzhou,P.R.China;[3]Quzhou Power Supply Company,Zhejiang Electric Power Company of State Grid,Quzhou,P.R.China高影响力机构 出　　处：《Global Energy Interconnection》索引2021年第4卷第3期,共10页高影响力期刊 基　　金：support of The National Key Research and Development Program of China(Basic Research Class)(No.2017YFB0903000);the National Natural Science Foundation of China(No.U1909201)。 摘　　要：Since the connection of small-scale wind farms to distribution networks,power grid voltage stability has been reduced with increasing wind penetration in recent years,owing to the variable reactive power consumption of wind generators.In this study,a two-stage reactive power optimization method based on the alternating direction method of multipliers(ADMM)algorithm is proposed for achieving optimal reactive power dispatch in wind farm-integrated distribution systems.Unlike existing optimal reactive power control methods,the proposed method enables distributed reactive power flow optimization with a two-stage optimization structure.Furthermore,under the partition concept,the consensus protocol is not needed to solve the optimization problems.In this method,the influence of the wake effect of each wind turbine is also considered in the control design.Simulation results for a mid-voltage distribution system based on MATLAB verified the effectiveness of the proposed method. 关 键 词：Two-stage optimization Reactive power optimization Grid-connected wind farms Alternating direction method of multipliers(ADMM)
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