Monitoring of PV inverters while unintentional islanding using PMU

Authors

Abstract

Unintentional islanding detection is one the mandatory criterion that must be met by PV inverters before connecting them into the grid. Inverters are capable of detecting islanding, acceptable time for detection is less than 2 seconds. In this paper voltage parameters after islanding occurrence and before turning off the inverter is analyzed. In order to simulate islanding state and perform measurements the testing system was build. Three different commercial PV inverters were tested. Measured signals were used to calculate voltage envelope, phasor, frequency and ROCOF. Collected data proved to be helpful to compere different Inverters.

Author Biographies

Szymon Henryk Barczentewicz, AGH University of Science and Technology

Szymon H. Barczentewicz received the M.S. and Ph.D. degrees in electrical engineering from AGH University of Science and Technology, Cracow, Poland, in 2012 and 2017, respectively. Since 2018, he has been an Assistant Professor with the Department of Power Electronics and Energy Control Systems, AGH-UST. His current research interests include phasor estimation and its application in a wide-area power measurement systems and power quality.

Andrzej Bień, AGH University of Science and Technology

Andrzej Bień received the M.S. degree in electrical enengineering and the Ph.D. degree in electrical engineering from AGH University of Science and Technology (AGH-UST), Cracow, Poland in 1979 and 1988, respectively.

Since 1979, he has benn a Scientist and Teacher with AGH-UST. Since 2016, he has been A Professor and Head of the Department of Power Electroncs and Energy Control Systems, AGH-UST. He participated in works of committees dealing with standarisation problems related to electricity, He has authored or coauthored more than 140 journal and conference papers and monographs. He holds eight patents. His current research interest include measuremnt systems and processing of signals related to electricity, in particular, applications of electric power and energy measuremnt and its quality. 

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Published

2024-04-19

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Section

Photovoltaics