Extended Pulse-Powered Humidity-Freeze Cycling for Testing Module-Level Power Electronics
Conference
·
OSTI ID:1471295
- National Renewable Energy Laboratory (NREL), Golden, CO (United States)
An EMI suppression capacitor (polypropylene film type) failed by 'popcorning' due to vapor outgassing in the pulse powered humidity-freeze cycles. No shorts or shunts could be detected despite mildly corroded metallization visible in the failed capacitor. Humidity-freeze cycling is optimized to break into moisture barriers. However, further studies will done on additional MLPE devices to optimize the stress testing for condensation to precipitate any weakness to short circuiting and other humidity/bias failure modes.
- Research Organization:
- National Renewable Energy Lab. (NREL), Golden, CO (United States)
- Sponsoring Organization:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Solar Energy Technologies Office
- DOE Contract Number:
- AC36-08GO28308
- OSTI ID:
- 1471295
- Report Number(s):
- NREL/PR-5J00-68846
- Resource Relation:
- Conference: Presented at the 2017 Photovoltaic Reliability Workshop (PVRW), 28 February - 2 March 2017, Lakewood, Colorado
- Country of Publication:
- United States
- Language:
- English
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