The purpose : the high voltage ac filter capacitor is connected together with filter reactor , resistor to form ac filter unit to filter harmful harmonic current out in power system and improve the power factor of system 产品用途:高压交流滤波电容器与滤波电抗器、电阻器等设备连接在一起组成交流滤波装置,用来滤除电力系统中的有害谐波电流并改善系统的功率因数