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林庸培(Young-Bae Lim),金基鉉(Gi-Hyun Kim),崔明日(Myeong-Il Choi),朴治現(Chee-Huyn Park),裵錫銘(Seok-Myung Bae),趙成元(Sung won Cho) 대한전기학회 2007 전기학회논문지 P Vol.56 No.3
Infrared thermography is one of the most valuable and cost-effective diagnostic techniques for predictive maintenance on electrical systems. For the electric installations, the thermographies can identify major problems, which if left unattended could lead to breakdowns. The result thermal images depend upon operator skills, inspection technique, and load and weather conditions. When the thermographer is applied to remote monitoring, the conditions of the systems are not perfectly analyzed because operators are hard to know the weather's effects of the installed place. Therefore, this paper defines the effects by weather conditions which will influence the final results. The purpose of this paper is to define the weather effects that a thermographer needs to consider for successful condition analysis.
영상전류 측정을 이용한 부재수용가의 전기설비에 대한 안전확보 방안
林庸培(Young-Bas Lim),裵錫銘(Seok-Myung Bae),金榮錫(Young-Seok Kim),朴治現(Chee-Huyn Park),金基鉉(Gi-Hyun Kim),趙成元(Sung-Won Cho) 대한전기학회 2006 전기학회논문지 P Vol.55 No.4
A electrical fault that may generate an electrical disaster is defined as any abnormal condition caused by reduction in the insulation strength. To find out the abnormal condition, periodical inspections have being performed every 3 years. Recently, the number of empty houses during normal working hours is rising by dramatic increase in the number of nuclear families and double income families. To define the potential risk of the electric installation, measurement of zero phase current has been being considered, But the measured value could not be adapted to an absolute reference to the installation because the measured zero phase current value also contained capacitive leakage current. Therefore, in this paper, the correlation between the condition of the electrical installation and the zero phase current was analyzed, The result focuses on to detect them in a cost efficient way.