%0 Journal Article %T Research on fault current limitation and active control for power electronic transformer in direct current grid %A Zhuo, Chaoran %A Zhang, Xiaotian %A Zhang, Xiong %A Yang, Xu %J "IET Generation, Transmission & Distribution" %V 15 %N 1 %P 121-134 %D 2021-01-01 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve