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논문 기본 정보

자료유형
학술저널
저자정보
Jin-Young Kim Seung-Soo Choi (Pukyong National University) In-Dong Kim (Pukyong National University)
저널정보
전력전자학회 JOURNAL OF POWER ELECTRONICS JOURNAL OF POWER ELECTRONICS Vol.17 No.1
발행연도
2017.1
수록면
272 - 281 (10page)

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초록· 키워드

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The DC circuit breaker is essential for supplying stable DC power with the advent of DC transmission/distribution and sensitive loads. Compared with mechanical circuit breakers, which must interrupt a very large fault current due to their slow breaking capability, a solid-state circuit breaker (SSCB) can quickly break a fault current almost within 1 [ms]. Thus, it can reduce the damage of an accident a lot more than mechanical circuit breakers. However, previous DC SSCBs cannot perform the operating duty, and are not economical because many SCR are required. Therefore, this paper proposes a new DC SSCB suitable for DC grids. It has a low semiconductor conduction loss, quick reclosing and rebreaking capabilities. As a result, it can perform the operating duties of reclosing and rebreaking. The proposed DC SSCB is designed and implemented so that it is suitable for home dc distribution at a rated power of 5 [kW] and a voltage of 380 [V]. The operating characteristics are confirmed by simulation and experimental results. In addition, this paper suggests design guidelines so that it can be applied to other DC grids. It is anticipated that the proposed DC SSCB may be utilized to design and realize many DC grid systems.

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Abstract
I. INTRODUCTION
II. PROPOSED DC SOLID-STATE CIRCUIT BREAKER
III. DESIGN OF THE PROPOSED DC SSCB
IV. SIMULATION AND EXPERIMENTAL RESULTS
V. CONCLUSIONS
REFERENCES

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UCI(KEPA) : I410-ECN-0101-2017-560-002047885