并联电容器作为一种主要的无功补偿设备,广泛应用于各电压等级的变电站中,投切开关是影响并联电容器可用率和无功补偿实际效果的主要元件。以电容器投切开关为对象,结合运行实际,分析存在问题。阐述了10 kV电容器智能投切装备的投切机理,介绍了研制的一种智能投切装置的结构、控制系统、控制方式。通过系统仿真与变电站实际工程应用,验证了其可行性与市场价值。 As a kind of main reactive power compensation equipment, shunt capacitor is widely used in substations of various voltage levels. The switching of the shunt switch is the main component that affects the practical effect of the parallel capacitor and the reactive power compensation. With capacitor switching switch as the object, combined with the actual operation, analysis of existing problems. The switching mechanism of intelligent switching equipment for 10 kV capacitors is described. The structure, control system and control mode of an intelligent switching device are introduced. Through the system simulation and substation actual engineering application, the feasibility and the market value are verified.