지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2019.5
- 수록면
- 3,309 - 3,314 (6page)
이용수
초록· 키워드
오류제보하기
The thermal dynamics of power semiconductors and power capacitors are closely related to the reliability and the cost of power electronic converter. However, the component loading in a wind turbine system is disturbed by many factors of the converter system, which is present at various time-constants from microseconds to years. In the case of a mission profile with 1-hour sample rate, the circuit model, loss model, and thermal model of the active power switches and passive capacitors are described and presented. The percentile lifetime of a single component can be predicted according to the long-term electro-thermal profile, and the Weibull function based time-to-failure distribution of the active component and passive component can be obtained. In a 2 MW wind turbine system, it can be seen that the dc-link capacitor bank dominates the converter-level reliability.
목차
Abstract
I. INTRODUCTION
II. RELIABILITY ISSUE IN ACTIVE COMPONENTS
III. RELIABILITY ISSUE IN PASSIVE COMPONENTS
IV. TIME-TO-FAILURE AND RELIABILITY OF FILTER CAPACITOR BANK
V. CONCLUSION
References
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