接触网验电死区试验及分析

Test and Analysis of Catenary Dead Zone in Electrical Inspection

接触网设备间的同相电场干扰,使用容性验电器验电时存在无法正确指示设备带电的误报情况,直接影响作业人身安全。为研究接触网设备易发生验电死区位置,避免无效验电,对接触网各个位置进行了大量带电验电试验。通过对试验结果的对比分析,提出接触网验电位置选择建议和提高验电有效性的措施。

Due to the interference of in-phase electric field between catenary equipment,there is a false alarm that the capacitive electroscope cannot correctly indicate that the equipment is live when it is used for electricity inspection,which directly affects the personal safety of operation.In order to study the location where the catenary equipment is prone to the dead zone of electricity verification and avoid invalid electricity verification,a large number of live electricity verification tests have been carried out at various locations of the catenary.Through the comparative analysis of the test results,suggestions on the selection of catenary electricity verification location and measures to improve the effectiveness of electricity verification are put forward.