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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Study on Current Conditioning Process for Improving Withstand Voltage Performance of Vacuum Interrupter

진공인터럽터의 내전압 성능 향상을 위한 전류컨디셔닝 기법 연구

  • 차영광 ((주)비츠로이엠 기술연구소) ;
  • 이일회 ((주)비츠로이엠 기술연구소) ;
  • 전기범 ((주)비츠로이엠 기술연구소) ;
  • 장지훈 ((주)비츠로이엠 기술연구소) ;
  • 주흥진 ((주)비츠로이엠 기술연구소)
  • Received : 2022.06.16
  • Accepted : 2022.07.05
  • Published : 2022.09.01
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Abstract

As a process to improve the insulation performance of VIs (Vacuum Interrupters), AC voltage conditioning is generally adopted by many manufacturers. Although the insulation performance is enhanced easily with AC Voltage conditioning, it has limitations when high recovery voltage is required due to high voltage rate or capacitive current switching. In particular, impurities such as oxides segregated on the electrode surface can be removed not by the energy level of the voltage conditioning but by the higher energy level achieved by the current conditioning process In this article, the current conditioning was carried out in various conditions and its validity was examined. The current conditioning was processed by changing the amplitude of applied current, arc time, the number of tests, and frequency. The insulation performance and the status of contact surface were checked as well. We concluded that as the applied charge quantity and the conditioning coverage area increase, the conditioning effect is much higher.

Keywords

Acknowledgement

본 연구는 2019년 산업통상자원부 에너지기술개발사업의 지원을 받아 수행된 연구(과제번호:20192910100080)로서, 관계부처에 감사드립니다.

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