Harmonic source :
A large number of energy-saving lamps, LED screen, variable frequency air conditioner, silicon controlled rectifier dimmer, power electronic equipment etc.
Solution:
Installed total twelve sets of LiveSine’s Active Power Filter (Model: ACTSine-50-4-F).
Results:
Total current harmonic distortion rate decreased from 40% to below 5%
Harmonic inhibition rate > 95% consistently.