架空线路杆塔接地电阻测量问题的研究

Research on Grounding Resistance Measurement of Overhead Line Tower

阐述通过实地使用钳型电阻测试仪测量架空输电线路半绝缘架空地线的杆塔接地电阻时,发现测试数据与其它仪表测试的实际电阻值偏差相当大的现象,通过对钳型电阻测试仪的原理分析研究,得出其在测量采用半绝缘架空地线线路的接地电阻时具有局限性,不适用于这种线路接地电阻的测量。

This paper introduces the use of clamp-based through field measurement of semi-insulation resistance tester overhead ground wire of the tower grounding resistance,and found phenomenon that test data had a large deviation of the actual resistance value compared to other instrument test,through the principle analysis of resistance tester clamp,it concluded that in measurements using grounding resistance of semi-insulating design of the overhead line had limitation.