FUR组合保护装置在江垭水电站厂用电系统中的应用

Application of FUR protective gear to the power plant of Jiangya Hydropower Station

在江垭水电站厂用电系统的改造中,采用FUR组合保护装置加普通真空断路器取代原有高压负荷开关,有效的防止了误动作,减少了操作过电压对主要电气设备的冲击,实现了动作的可选择性,降低了造价。该文对在选型过程中的步骤及应考虑的问题,给予了较深入的研究。

In the rehabilitation of the station-service power system for the Jiangya Hydropower Station, the FUR protective gear with common vacuum breaker was adopted to replace the former high-voltage switch gear, which can effectively avoid the misoperation, reduce the impulse of over-voltage on the main electric devices, realize the selectivity of operation and reduce the cost. This paper deeply studies the steps in the process of type selection and the problems that should be considered.