전력선 설비나 고속철도에 의한 전력 유도 전압의 산출 방법은 매우 복잡하기 때문에 합리적인 조정이 어려우며 이에 보다 정확하고 구체적인 산출 방법의 도출을 위해 전력 유도 전압의 발생 조건을 갖춘 지역을 다수 선정하여 유도원과 병행하는 2Km 긍장의 통신 케이블이 설치된 테스트베드를 구축하고, 국내 기술기준 및 국내외 표준에서 제시하는 다양한 방법을 이용하여 전력 유도장애 발생 시 통신 케이블에 미치는 유도 잡음 전압의 영향을 분석하였다. 본 논문에서는 특히, 유도원으로부터의 유도 잡음 전압을 측정하기 위해 통신 케이블 종단에 사용하는 종단 회로의 유형에 따른 영향을 분석하였다. 이를 위해 통신 케이블의 종단 회로로서 300옴 발란스형 임피던스 회로와 600옴 종단 임피던스 회로를 사용하여 측정한 결과를 비교 분석하였으며, 향후 전력 유도 전압의 구체적인 산출 방법 도출을 위한 자료로 활용될 것이다.
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