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da rong liang she bei qi ting dui you guang fu jie ru de gu li dian wang de ying xiang
Pages: 1776-1779
Year: Issue:  11
Journal: East China Electric Power

Keyword:  isolated gridgrid-connected photovoltaic(PV)grid stabilityequipment start-stop;
Abstract: Isolated grid,with smaller scale,fewer power sources and larger load changes,may be subject to drastic voltage and frequency fluctuations caused by the startup or shutdown of the large capacity equipments,and the fluctuations differ sharply in different operational modes.This paper conducts the simulation analysis about how the startup or shutdown of the large capacity equipments influences the isolated grid system frequency and the 35 kV bus voltage of photovoltaic power station.This research can provide certain reference and advice for the frequency protection and low voltage protection settings of photovoltaic grid inverter.
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