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Communication Dans Un Congrès Année : 2021

High Power Density Design of Power Electronic Interrupter in Hybrid DC Circuit Breaker

Résumé

Circuit protection is a key enabler for future medium-voltage direct-current (MVDC) distribution systems. Hybrid dc circuit breaker (HCB) offers low conduction losses and reasonably fast response times, but suffers from large size. In this paper, a high power density power electronic interrupter design is introduced for the HCB. The device selection and tradeoff analysis of voltage clamping circuit are investigated. A small sized module with two parallel 1.7 kV discrete IGBTs are selected as main switches. The RC snubber and MOV are carefully designed to guarantee no tail current bump and sufficient turn-off voltage margin. Experimental results at 12 kV and 1 kA are provided to verify the operation of the prototype.
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Dates et versions

hal-03361482 , version 1 (01-10-2021)

Identifiants

Citer

Jian Liu, Lakshmi Ravi, Dong Dong, Rolando Burgos, Cyril Buttay, et al.. High Power Density Design of Power Electronic Interrupter in Hybrid DC Circuit Breaker. APEC, Jun 2021, Phoenix, United States. pp.33-38, ⟨10.1109/APEC42165.2021.9487241⟩. ⟨hal-03361482⟩
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