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전해 커패시터 부풀어 오름 현상 기반 고장 예지

Author
조현선, 박상철, 장중순
Journal Title
신뢰성 응용연구
Publication Year
2019
Topics
Summary

This study proposes a failure prediction methodology for electrolytic capacitors based on swelling phenomenon without requiring disassembly of capacitors from the circuit. Experimental results showed that as capacitor deterioration progressed, the swelling length, ESR value, and loss value increased, and capacitance decreased, demonstrating the possibility of monitoring capacitor degradation through the strong correlation between swelling length and electrical performance characteristics.

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