Analysis of Washout Filter-Based Power Sharing Strategy—An Equivalent Secondary Controller for Islanded Microgrid Without LBC Lines
作者： Yang Han , Hong Li , Lin Xu , Xin Zhao , Josep M. Guerrero
关键词:
摘要: As a supplement of the droop control, concept secondary controlled microgrid (MG) has been extensively studied for voltage and frequency restoration. However, low band-width communication (LBC) channels are needed to exchange information between primary controllers, performance controller degrades due uncertain delay data drop-out in LBC lines. Recently, washout filter-based power sharing method was presented without lines additional control loops. In this paper, equivalence strategy islanded MG is demonstrated, generalized filter scheme obtained. Additionally, physical meaning parameters controllers also presented. Besides, complete small-signal model system built, which can be utilized design analyze stability system. Finally, extensive simulation experimental results provided confirm validity effectiveness derived equivalent MG.
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