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Diagnostic testing for the determination of quality of live-line ropes

By D. P. Wichmann and T. K. Saha


This paper provides details of a testing program devised for the selection, by a power utility, of the most appropriate live-line rope from seven different new specimens. A wide range of electrical tests and varying environmental conditions were utilized. This represented a considerable challenge as test standards for evaluating rope designated for live-line work are not easily accessible and do not specifically cover the range of materials now offered. The testing includes leakage current, breakdown strength and dissipation factor measurements. Findings from these tests are presented in this paper and a general methodology for ranking rope based on these measurements is also discussed in detail

Topics: Breakdown voltage, Dissipation factor, Leakage current, Live line ropes, 2200 Engineering
Year: 2003
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