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《Power Electronics》 2014-08
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Strategy of ZVRT for Three-phase Photovoltaic Grid-connected Inverter

LIU Hong;ZHANG Xiao-zhong;LI Yun;Zhejiang Eifesun Energy Technology Company Limited;  
As zero voltage ride through(ZVRT) is a key standard for the photovoltaic grid-connected inverter,a control strategy of ZVRT is proposed.It uses a novel method of grid voltage phase lock which can ensure the control phase during zero grid voltage and a proportional resonant(PR)-decouple controller for current control.Experimental results show that the proposed strategy has good ZVRT capability.
【CateGory Index】: TM464
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