Optimization Research on Condition-Based Maintenance of Overhead Transmission Line with Online Detection Without Power Cut

doi:10.11930/j.issn.1004-9649.2016.10.084.06

Abstract

Abstract: The condition-based maintenance is the most prevalent maintenance mode at present. It is based on periodic evaluation of the equipment conditions. With the development of online detection, the traditional model of condition-based maintenance cannot meet requirement of developing grid. The sample database based on historical operation and maintenance data of transmission line is established first. The imminent, grave defects and faults in recent ten years are statistically analyzed. The detection efficiency of state variable and detecting mode is then studied. Combined with 74 critical state variable selected by expert, blind detection rate optimized evaluation of those critical state variable is performed. The feasibility of canceling transmission line routine test with power cut is discussed and the economic and safety issues are evaluated. The results show that current transmission line is capable of performing condition-based maintenance based on online detection without power cut.

Key words: transmission line, condition-based maintenance, state variable, blind detection rate, routine test with power cut, defect, fault

CLC Number:

TM863

WANG Feng, LEI Hongcai, PENG Xiang, CHEN Ping, ZENG Peng, HU Jun. Optimization Research on Condition-Based Maintenance of Overhead Transmission Line with Online Detection Without Power Cut[J]. Electric Power, 2016, 49(10): 84-89.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.2016.10.084.06

https://www.electricpower.com.cn/EN/Y2016/V49/I10/84

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