... circuit.Compensate harmonics, reactive power,unbalanced load.3DSP+CPLD full digital control,efficiency>97%. Active Harmonic Filter 25AHigh ... can be chosen, to make efficiency higher.3DSP+CPLD all-digital controlling method, making calculation faster and ... dynamic reactive power and imbalance compensation mode available.3DSP+CPLD control modeHuman-friendly LCD interface operation indicating voltage, ...