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편력케이블과 가스배관의 병행구간에 대한 교류부식 영향 검토 연구(II)
배정효,하태현,이현구,김대경,Bae, Jeong-Hyo,Ha, Tae-Hyeon,Lee, Hyeon-Gu,Kim, Dae-Gyeong 대한전기학회 2002 전기학회논문지C Vol.51 No.2
We have been analyzed the interference problems already in steady state, especially AC corrosion when the gas pipeline is burred with power cable in the same submarine tunnel. In the next stage, we analyze the induced voltage in a fault condition of 154[kV] underground T/L. This paper presents the results of them which are limitation of safety voltage. meodeling of power cables, gas pipeline and grounding systems, analysis of induced voltage in a fault condition, and protection of Power line system.
배정효(Jeong-Hyo Bae),하윤철(Yoon-Cheol Ha),하태현(Tae-Hyun Ha),이현구(Hyun-Goo Lee),김대경(Dae-Kyeong Kim) 대한전기학회 2006 대한전기학회 학술대회 논문집 Vol.2006 No.7
In present, most of metallic structures (gas pipeline, oil pipeline, water pipeline, etc) are running parallel with subway in Seoul and Pusan. In this case, subway system make a stray current due to electrical corrosion on metallic structures. The owner of metallic structures has a burden of responsibility for the protection of corrosion and the prevention against big accident such as gas explosion or soil pollution and so on. So, they have to measure and analyze the data about P/S(Pipe to Soil) potential, amplitude of stray current, point of source of stray current and so on. In this paper, results of development about Wireless Remote Monitoring and Control System on Underground Pipeline in Stray Current Conditions are presented. And also field test data should be reporting.