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The Crowbar Clamping Circuit to Reduce the Surge Voltage in the DC Solid-State Circuit Breaker
- Issue Date
- Jul-2024
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- Keywords
- Metal Oxide Varistor (MOV); PSpice; Solid-State Circuit Breaker (SSCB); Surge voltage
- Citation
- Proceedings of the 2024 10th International Conference on Applied System Innovation, ICASI 2024, pp 297 - 299
- Pages
- 3
- Indexed
- SCOPUS
- Journal Title
- Proceedings of the 2024 10th International Conference on Applied System Innovation, ICASI 2024
- Start Page
- 297
- End Page
- 299
- ISSN
- 0000-0000
- Abstract
- The surge voltage caused by the metal oxide varistor (MOV) characteristics easily damages semiconductor switches in the DC solid-state circuit breaker (SSCB). This paper presents a surge voltage suppression method for DC SSCB using a crowbar clamping circuit by splitting the overvoltage protection into three separate varistors. The lower DC-rated voltage of double varistors serially optimizes for the surge voltage protection allowed by the voltage divider circuit of two resistors. After theoretical analysis, it is verified by computer-aided simulations. © 2024 IEEE.
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