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宋基東(Ki-Dong Song),吳年浩(Yeon-Ho Oh),鄭鎭敎(Jin-Kyo Chong),趙龍成(Young-Sung Cho) 대한전기학회 2007 전기학회논문지 Vol.56 No.12
A special PM - Tube(Photo Multiplier Tube) that is using the photoelectric effect has been designed and manufactured to measure the radiation energy of arc in a gas circuit breaker(GCB). The PM-Tube, LLG(liquid light guides), ND(neutral density) filter, and a model gas circuit breaker have been combined for the reception and the transmission of the light and a simplified synthetic test facility with the arc energy measuring system has been established. In the case of SF? gas pressure 5㎏.f/㎠ and arc length 20㎜, the radiation energy increases with the arc current but it tend to be saturated in the above 20㎄. Under the arc current 20㎄, the total radiation energy has the biggest value around 8㎄ and was not exceeded 40% of the total arc energy.