过电压对电力机车高压电气设备的影响

Influence of overvoltage on high voltage electrical equipment of electric locomotive

本文列举了因不同原因而产生的过电压种类,分析了谐振对高压电气设备的影响,并提出了预防过电压的措施:第一,优化弓网关系,提升高压电气设备的安全性。第二,严格规范电力机车高压电气设备的操作步骤。第三,抑制因外部因素产生过电压而对电气设备造成影响。第四,提升电力机车高压电气设备的绝缘水平。

This paper enumerates the types of overvoltage caused by different reasons,analyzes the influence of resonance on high voltage electrical equipment,and puts forward some measures to prevent overvoltage:First,optimize the pantograph-gateway relationship to enhance the safety of high voltage electrical equipment.Second,strictly regulate the operation procedures of high voltage electrical equipment for electric locomotives.Third,inhibit the overvoltage caused by external factors and affect the electrical equipment.Fourth,improve the insulation level of electric locomotive high voltage electrical equipment.