목차

국문요약 ·············································································································· i
Abstract ············································································································ iii
제1장 서론 ····································································································· 1
1.1 연구배경 및 필요성 ·················································································· 1
1.2 연구내용 및 목적 ······················································································ 4
제2장 관련이론 ························································································· 6
2.1 교류용차단기 ······························································································ 6
2.1.1 교류용차단기의 용어 ······································································ 6
2.1.2 교류용차단기의 표준값 및 권장값 ·············································· 7
2.2 플러그인 교류용차단기 ·········································································· 10
2.2.1 플러그인 교류용차단기의 구조 및 작동 ·································· 10
2.2.2 플러그인 교류용차단기의 기계적 시험 ···································· 11
2.3 스위치기어류의 종류 및 작동형태 ······················································ 15
2.3.1 스위치기어류의 종류 ···································································· 15
2.3.2 스위치기어류의 작동형태 ···························································· 16
제3장 실험방법 및 조건 ································································ 18
3.1 플러그인 접촉단자의 저항 측정 ·························································· 18
3.2 플러그인 유닛의 인장력 측정 ······························································ 20
3.3 일반 방수 성능 실험 ·············································································· 21
제4장 결과 및 고찰 ··········································································· 23
4.1 개발된 플러그인 배선용차단기의 실체 분석 ···································· 23
4.1.1 3상 3선식 플러그인 배선용차단기 ············································ 23
4.1.2 3상 4선식 플러그인 배선용차단기 ············································ 26
4.2 개발된 플러그인 배선용차단기의 특성 분석 ···································· 28
4.2.1 3상 3선식 플러그인 배선용차단기의 접촉저항 ······················ 28
4.2.2 3상 4선식 플러그인 배선용차단기의 접촉저항 ······················ 29
4.2.3 3상 3선식 플러그인 배선용차단기의 인장력 측정 ················ 31
4.2.4 3상 4선식 플러그인 배선용차단기의 인장력 측정 ················ 32
4.2.5 개발된 플러그인 배선용차단기의 일반방수 시험 ·················· 34
4.2.6 개발된 플러그인 배선용차단기의 내전압 시험 ······················ 35
4.3 개발된 플러그인 배선용차단기의 공인 시험 ···································· 38
4.3.1 개발된 플러그인 배선용차단기의 시험조건 ···························· 38
4.3.2 온도상승시험 ·················································································· 39
4.3.3 단시간전류시험 ·············································································· 43
4.3.4 절연내력시험 및 내구성시험 ······················································ 46
4.3.5 절연저항측정 및 구조시험 ·························································· 48
제5장 결론 ··············································