Overvoltage protection of solid-state switch for high-power low-voltage applications

Mariusz Stosur; Kacper Sowa; Tomasz Kuczek; Tomasz Chmielewski; Adam Ruszczyk; Krzysztof Koska; Konrad Janisz

Overvoltage protection of solid-state switch for high-power low-voltage applications

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Author(s): Mariusz Stosur¹ ; Kacper Sowa¹ ; Tomasz Kuczek¹ ; Tomasz Chmielewski¹ ; Adam Ruszczyk¹ ; Krzysztof Koska¹ ; Konrad Janisz²
- Affiliations: 1: ABB Corporate Research Center , Starowislna 13A, Krakow , Poland ;
  2: AGH University of Science and Technology , Mickiewicza 30, Krakow , Poland
Source: Volume 12, Issue 11, 19 June 2018, p. 2718 – 2724
DOI: 10.1049/iet-gtd.2017.1867 , Print ISSN 1751-8687, Online ISSN 1751-8695

Received 27/11/2017, Accepted 12/03/2018, Revised 26/01/2018, Published 16/03/2018

This study presents simulation and experimental verification of solid-state switch overvoltage protection. The switching device is composed of two antiparallel connected forced commutated semiconductor valves and in analysed case has been used as a low-voltage solid-state bypass switch of UPS system. The aim is to identify the value of overvoltage induced on switch terminals and surge energy during an instance of current turn-off in line with inductive impedance. Afterwards determine optimal solution that protects such a power electronics device. As a protection solution configurations and types of surge arresters have been examined. All simulations have been conducted using PSCAD software package on the model especially prepared for this purpose.

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