|
Author(s): |
Yi-feng Ding, Pingdingshan Power Supply Company, Pingdingshan, 467001, China
Peng Zhang, Pingdingshan Power Supply Company, Pingdingshan, 467001, China
Cheng-qian Xiao, Pingdingshan Power Supply Company, Pingdingshan, 467001, China |
|
Abstract: |
When the signal of “oil pump pressuring overtime” of 220kV LW6B high-voltage circuit breakers hydraulic mechanisms reported properly, it is clear that the safe operation of electrical equipment is under threat. When the signal is improper, operating crew and dispatcher often judge incorrectly and made the wrong measure .In this paper, reason and harm on improper signal of LW6B breaker “oil pump pressuring overtime” is discussed in 220kV Wangzhai substation, finally, some measures are adopted actively.
|