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Arc detection using current variation 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01R-019/10
출원번호 US-0110090 (1993-08-20)
발명자 / 주소
  • Zuercher Joseph J. (Brookfield WI) Tennies Charles J. (Waukesha WI)
출원인 / 주소
  • Eaton Corporation (Cleveland OH 02)
인용정보 피인용 횟수 : 83  인용 특허 : 0

초록 ▼

In an electric circuit supplying AC line current rent to a load (30, 31) from an AC source (26) of given frequency providing repetitive cycles, arc detection is provided by sensing cycle to cycle changes in the AC line current. The AC line current is sampled with a harmonic notch filter (72) at a pl

대표청구항 ▼

Arc detection apparatus for an electric circuit supplying AC line current to a load from an AC source providing an AC waveform of given frequency, comprising sensing means sensing changes in AC line current at predetermined points of said AC waveform and generating difference signals representing sa

이 특허를 인용한 특허 (83)

  1. Seymour Raymond Kelsey ; Magham Murali ; Glabau Fredic W. ; Fuhr Kevin Jay ; Guerrette Michael Conrad, ARC fault circuit breaker.
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  2. Restrepo, Carlos Eduardo; Sreenivasa, Kallikuppa Muniyappa; Agnihotri, Kantesh Vittal; Shah, Manishkumar Natwarlal; Soma, Srikanth, ARC fault detection method and apparatus.
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  3. Ashby, Darren C., Adapter with an electronic filtering system.
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  4. Kim,Cheon Youn; Kim,Dong Seb; Ko,Joung Myoung; Moon,Je Chun, Apparatus for detecting arc fault.
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    상세보기
  6. Fleege Dennis William ; Larson Brett Eugene ; Fixemer James Virgal, Apparatus for use in arcing fault detection systems.
    상세보기
  7. Parry Robert Neville, Apparatus providing response to arc faults in a power distribution cable protected by cable limiters.
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