Active Power Filter features simultaneously filter out 2 to 50 times harmonics, or select 2 to 50 times to compensate for any frequency harmonic response time of less than 300μs use 3DSP + CPLD digital control and international brands of high-speed IGBT harmonic Governance manufacturers, closed-loop control, precise application of the four-phase line harmonic filter technology that eliminates neutral current control technology automatically eliminates resonance harmonics, affect impedance and impedance changes from power system harmonic compensation; while compensating harmonics and power; while compensating harmonics, reactive and load three-phase current unbalance three operating modes electronic overload protection with a machine inverter control fast FPGA, power digital signal processing functions modular design, easy to expand multi-parallel Centralized monitoring remote network monitoring and easy maintenance harmonic control cases, in compliance with the requirements of the working environment harmonic control, non-mechanical failures maintenance BDKJ-FC type II compensation device main purpose and scope of application of high voltage shunt filter compensation package devices ( hereinafter referred to as device) is mainly used for frequency 6kV, 10kV, 20KV, 35kV three-phase power system for harmonic suppression, adjustment, balance the grid voltage, improve power factor, reduce losses and improve power quality. Passive Harmonic _ Xi Connaught Electrical and Mechanical (certified) _ Harmonic study by Connaught Mechanical and Electrical Equipment Co., Ltd., Henan. Henan Xi Connaught Electrical Equipment Co. (www.hnxinuo.com) is Zhengzhou, electronics, electrical products processing leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In practice Connaught Electrical and Mechanical leadership with the staff warmly welcome all inquiries negotiations to create learning Connaught Electrical and Mechanical better future.