Journal of the Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회논문지)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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Evaluation of Breaking Performance of New Contact Material for the Vacuum Interrupter

진공인터럽터용 신규 접점소재에 대한 차단 성능 평가

  • 차영광 (비츠로이엠 기술연구소) ;
  • 이일회 (비츠로이엠 기술연구소) ;
  • 주흥진 (비츠로이엠 기술연구소) ;
  • 신태용 (비츠로이엠 기술연구소) ;
  • 박경태 (한국생산기술연구원 한국희소금속산업기술센터)
  • Received : 2020.10.06
  • Accepted : 2020.10.15
  • Published : 2021.01.01
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Abstract

Copper-chromium alloys have been used as contact materials of vacuum interrupters in circuit breakers, but new materials with highly stable performance are required to break the high voltage and high current barrier due to the recent increase in breaking capacity. In this paper, a new contact material was fabricated from a ternary alloy instead of existing Cu-Cr alloys. Its breaking performance and endurance were verified from a synthetic test and compared with that of various contact materials. The test results verified that the breaking performance of the new contact material was excellent.

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References

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