Innovative Solid-State Ferroresonance-Suppressing Circuit for Voltage Transformer Protection in Wind Generation Systems

Ali Bakhshi, Mehdi Bigdeli, Majid Moradlou, Behzad Behdani () and Mojgan Hojabri
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Ali Bakhshi: Department of Electrical Engineering, Zanjan Branch, Islamic Azad University, Zanjan 45156-58145, Iran
Mehdi Bigdeli: Department of Electrical Engineering, Zanjan Branch, Islamic Azad University, Zanjan 45156-58145, Iran
Majid Moradlou: Department of Electrical Engineering, Zanjan Branch, Islamic Azad University, Zanjan 45156-58145, Iran
Behzad Behdani: Department of Electrical Sustainable Energy, Delft University of Technology, 2628 CD Delft, The Netherlands
Mojgan Hojabri: Competence Center of Digital Energy and Electric Power, Institute of Electrical Engineering, Lucerne University of Applied Sciences and Arts, 6048 Horw, Switzerland

Energies, 2023, vol. 16, issue 23, 1-14

Abstract: Ferroresonance, as an undesirable disturbance, leads to significant overvoltage and distorted waveforms. This phenomenon can be highly damaging to voltage transformers and other parallel-connected equipment and can entail catastrophic consequences. This paper aims to design and study a solid-state ferroresonance-suppressing circuit (SSFSC) to protect voltage transformers (VTs) together with other parallel-connected equipment in wind generation systems from the adverse effects of the ferroresonance phenomenon. The proposed structure consists of low-voltage circuits, including power IGBTs. The excellent performance of the proposed SSFSC in suppressing ferroresonance overvoltage in wind generation VTs has been authenticated by analyses conducted utilizing a wind generation system model. In order to validate the performance of the proposed SSFSC, detailed analytical studies and time-domain simulations have been carried out employing a MATLAB/Simulink environment. The results verify that the proposed SSFSC can effectively suppress ferroresonance phenomena in VTs and mitigate their accompanying overvoltages with a high operational speed.

Keywords: ferroresonance; overvoltage; protection; solid-state circuit; voltage transformer (VT); wind generation systems (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: 2023
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