전기학회논문지 (The Transactions of The Korean Institute of Electrical Engineers)

  • 제59권10호
  • /
  • Pages.1856-1861
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  • 2010
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  • 1975-8359(pISSN)
  • /
  • 2287-4364(eISSN)
대한전기학회 (The Korean Institute of Electrical Engineers)
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중성점 접지 리액터 주변 작업자의 인체내부 유도전류밀도 특성

Characteristics of the Current Density Induced Inside a Worker Near a Neutral Ground Reactor

  • 민석원 (순천향대 공대 전기통신공학과) ;
  • 이승호 (순천향대 대학원 전기통신공학과)
  • 투고 : 2010.07.29
  • 심사 : 2010.08.30
  • 발행 : 2010.10.01
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초록

To reduce a high fault current, neutral ground reactors (NGR) were installed in the Korean substation. Current with several harmonic components flows in a NGR due to load unbalance in normal steady state and magnetic fields with several harmonic components are also generated around a NGR. As results of study, we found magnetic fields around a NGR in Korean substation included two harmonics, 180Hz and 540Hz. Magnetic fields of 180 Hz increased 3 times more current density inside a worker near a NGR than same magnitude magnetic fields of 60 Hz. We know a worker near a NGR may not meet ICNIRP guideline of 10(mA/$m^2$) due to several harmonic components.

키워드

참고문헌

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