Title :
The live line inspection method of poor insulators on ±500kV DC transmission lines
Author :
Ying, Xu ; Zheng, Ye ; Xu, Gao ; Wei, Deng
Author_Institution :
State Grid Electr. Power Res. Inst., Wuhan, China
Abstract :
The live line inspection device of poor insulators on DC transmission line was developed, and the distributed voltage along insulators on ±500 kV DC transmission line was inspected. The results show that the potential distribution of insulator string on DC transmission line is the same with that on AC transmission line, which is with U distribution, and affected more with the performances of single insulator. The inspection device can meet the requirements of live working inspection under ±500 kV DC transmission line. The research has the important meaning for reducing the outage duration of ±500 kV DC transmission line and improving safe and stable operation of power grid.
Keywords :
DC power transmission; inspection; insulators; power grids; AC transmission line; DC transmission lines; U distribution; distributed voltage; live line inspection device; live working inspection; poor insulators; potential distribution; power grid; safe operation; stable operation; Inspection; Insulators; Power transmission lines; Resistance; Transmission line measurements; Voltage measurement;
Conference_Titel :
Computer Distributed Control and Intelligent Environmental Monitoring (CDCIEM), 2012 International Conference on
Conference_Location :
Hunan
Print_ISBN :
978-1-4673-0458-0
DOI :
10.1109/CDCIEM.2012.183
