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논문 기본 정보

자료유형
학술대회자료
저자정보
Taro Takamori (Tokyo Metropolitan University) Keiji Wada (Tokyo Metropolitan University) Wataru Saito (Kyushu University) Shin-ichi Nishizawa (Kyushu University)
저널정보
전력전자학회 ICPE(ISPE)논문집 ICPE 2023-ECCE Asia
발행연도
2023.5
수록면
3,212 - 3,216 (5page)

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초록· 키워드

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This paper proposes a solid-state circuit breaker with avalanche robustness during cutoff operation using series-connection of SiC diodes. Solid-state circuit breakers need to consume energy generated by energy dissipation in the wiring inductance when the cutoff operation. The proposed solid-state circuit breaker improves the cutoff current tolerance by using SiC diodes connected in series to share the avalanche energy. Furthermore, the consuming energy by the solid-state circuit breaker is reduced by maintaining a higher clamping voltage than using single SiC diode during the interruption operation. Experimental results show that the proposed solid-state circuit breaker with two series-connection SiC diodes reduces the consumed avalanche energy by 34.3% compared to using single SiC diode under the same cutoff condition. The proposed solid-state circuit breaker is investigated based on a 400VDC distribution system with unclamped inductive switching (UIS) condition up to 50A cutoff current.

목차

Abstract
I. INTRODUCTION
II. UNCLAMPED INDUCTIVE SWITCHING CONDITION
III. CLAMPING METHOD USING A DIODE WITH AVALANCHE OPERATION
IV. PROPOSED SOLID-STATE CIRCUIT BREAKER WITH SERIES CONNECTION OF SIC DIODES
V. EXPERIMENTAL RESULT
VI. CONCLUSION
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