Power Monitoring System manufacturer / supplier in China, offering Industrial Automation Active Power Filter Sfr-Apf 15-150A Wall/Rack Mount 2ND-50th Harmonics 5ms Thdi 5% Max 3 Level Topology Modbus-RTU Parallel Operation, Paper Mill Active Harmonic Filter Ahf 15-150A Wall Mount 2ND-50th Harmonics 5ms Thdi 5% Max 3 Phase Unbalance Parallel Operation, Chemical Plant Harmonic Mitigation Active Power Filter 15-150A Wall Mount PWM IGBT 2ND-50th Harmonics 3 Phase Unbalance Parallel and so on.