Active power filter (APF) is new power electronic equipment which can dynamically filter harmonic with variable amplitude and frequency and compensate reactive power, it overcomes the shortages of conventional LC filter and obtained the better compensation performances than passive filter.
Active Power Filter (APF) Functions:
◆ Reduce harmonic distortion
◆ Improve power factor
◆ Reduce line loss
◆ Prevent neutral line from overheat
◆ Prevent power equipments from noise, overheat and vibration like motor, transformer etc.
◆ Prevent signal transmission equipments from data loss and interference
◆ Prevent measurement error caused by non-sinusoidal current and voltage.
◆ Prevent sensitive semi-conductive device from damage
◆ Prevent circuit breaker trip.
◆ Prevent capacitors from burn due to harmonic resonance
◆ Ensure safety of power system and reduce energy consumption
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