Detection of Ferroresonance Oscillations in Medium Voltage Networks

Krzysztof Solak, Waldemar Rebizant and Matthias Kereit
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Krzysztof Solak: Faculty of Electrical Engineering, Wroclaw University of Science and Technology, 50-370 Wroclaw, Poland
Waldemar Rebizant: Faculty of Electrical Engineering, Wroclaw University of Science and Technology, 50-370 Wroclaw, Poland
Matthias Kereit: Siemens AG Berlin, 13629 Berlin, Germany

Energies, 2020, vol. 13, issue 16, 1-12

Abstract: This paper presents a new algorithm for the detection of ferroresonance oscillations in medium voltage (MV) power systems. The proposed method is based on an analysis of estimated flux resulting from the voltage in open delta voltage transformer (VT) connection. The testing results proved that the new solution is capable of identifying quickly and reliably ferroresonance oscillations and it does not maloperate during faults. In addition, this method is simple for hardware implementation. The developed solution has been thoroughly tested on simulation runs (from the MATLAB2019b/Simulink program), as well as recorded signals.

Keywords: ferroresonance oscillations; medium voltage networks; digital simulation; detection algorithm (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
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