AFV-PLUS-33020 Preen AC Source


The AFV-PLUS-33020 is a 20 KVa, 300 V, 55.6 A, 500 Hz, 3 Phase ac source from Preen.

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  • Wide Output Power Range: 10kVA~2000kVA
  • 0~300V output voltage and 45~65Hz output frequency (opt. 45~500Hz)
  • The built-in STEP and RAMP functions are ideal to simulate different types of power line disturbances.
  • The SOFT START feature can effectively reduce inrush current caused by motor startup.
  • Via the Three Phase Independent Adjustment function, the AFV+ series can deliver each phase voltage differently to
  • multiple single-phase DUTs.
  • User can simulate phase shift with the optional Phase Angle Control function.
  • CE & RoHS certified.
  • Optional remote sensing feature is available to improve precision.
  • The 7” touch screen shows parameters of voltage, current, frequency, real power, apparent power and sum of each
  • phase’s parameters.
  • Complete protections include UVP, OVP, OCP, input UVP/OVP, OTP and other 29 protections. The built-in Error Log
  • can record up to 255 error messages for easier trouble shooting.


  • Home Appliance
  • Transportation
  • Industrial Power Supply
  • Electric Vehicles
  • IT / SMT Production Line
  • Renewable Energy
  • Medical Industry
  • Motor & Compressor


  • 20 KVa
  • 300 V
  • 55.6 A
  • 500 Hz
  • 3 Phase

The AFV-PLUS-33020 is a high power programmable AC power source utilizing advanced PWM technology to deliver power with THD 0.5% and up to 2000kVA. The output frequency is 45~65Hz with accuracy of ± 0.02%, and user can select 45~500Hz option to expand the frequency. The AFV+ series is ideal to simulate different region’s voltage and frequency conditions, and can cover applications for home appliance, motor, medical equipment, lighting and EMC laboratory.

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