Select Page

Low Voltage Active Harmonic Filter

Solving several power quality issues with only one solution.

Eliminate harmonic distortion, compensate low power factor and fix voltage unbalance, all in one solution.

More than ever good power quality is a must. Avoid production
, equipment damages and many other issues.


This model has been designed with our vast experience in power quality applications and the most advanced technology available.

High Performance

  • >97% harmonic cancelation
  • Cutting edge FPGA digital control
  • Automatic failure protection


  • >Modular design
  • Up to 12 cabinets in parallel

Fewer losses

  • Low temperature IGBT operation
Brand Southern States
Standards UL-508A / CSA22.2 / IEC / EN50081-2 / EN50082-2 / EN
Nominal Current A 50-600 A
Nominal Voltage V 230 / 400 / 480 / 690 V
Frequency Hz 60
Controller Digital signal processor
Filtering Capacity H 2-61 (Selectable)
Harmonic Mitigation % >97
Topology >3 level
Response Time ms >5
Efficiency % >97
HMI >7 in touch screen
Communication RS485 / CAN / Internet

Operation principle

PhAIsor™ system will measure power quality and reactive compensation parameters. Through its 3 layers IGBT technology it will inject current to cancel harmonics and/or improve power factor. 4 wire systems may also correct system unbalance.

  • Hidden