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接触网棒式绝缘子污闪是电气化铁路的惯性病害之一,污闪的发生与缘子爬电距离、绝缘子所处空间的污染程度及大气湿度有关,绝缘子积污程度受绝缘子型式、降雨及距污染源距离等影响。合理选择外绝缘的爬电比距,增加绝缘子清扫力度是防范绝缘污闪的重要措施。
Contact with grid-rod insulator pollution flashover is one of the inertial diseases of the electrified railway. The occurrence of pollution flashover is related to the creepage distance of the edge insulator, the degree of pollution in the space where the insulator is located, and the atmospheric humidity. The degree of insulator contamination is affected by insulator type, rainfall and distance Pollution source distance and other effects. Reasonable choice of external insulation creepage distance, increase the cleaning of insulators is an important measure to prevent insulation flashover.