Islanding Detection With Positive Feedback of Selected Frequency for DC Microgrid Systems

The oscillation frequency of the point of common coupling (PCC) voltage is proposed as a new detecting freedom for dc-based islanding events in this article. In the presented method, the voltage positive feedback with a frequency selection is applied to a distributed generator to make the PCC voltag...

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Veröffentlicht in:	IEEE transactions on power electronics 2021-10, Vol.36 (10), p.11800-11817
Hauptverfasser:	Huang, Qinghui, Chen, Hongyi, Xiang, Xin, Li, Chushan, Li, Wuhua, He, Xiangning
Format:	Artikel
Sprache:	eng
Schlagworte:	Amplitudes DC microgrid Distributed generation Electric potential Electric power distribution Electric power systems Frequencies Islanding islanding detection Microgrids Positive feedback Power quality Power system stability Resonant frequency selected frequency Sensitivity Voltage Voltage fluctuations
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