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AC/DC high-voltage supplies

Electric Test Solutions

AC/DC high-voltage supplies are used to test products of several thousand volts. Applications include testing of motors, pumps, frequency converters, etc. under nominal voltage or at a defined overvoltage in an endurance test.

The sine wave of the test voltage is essential for the reproducibility of your measurements. Transformer-type AC voltage supplies, with amplitude adjustment to the voltage setting, offer the advantage of a constant clean  sinus wave from the input all the way to the test item. The measurements are therefore reproducible and no EMC problems will arise. (Exception: the test item has a negative effect on the supply).


Technical specifications

  • Single-phase or three-phase voltage supplies
  • Voltages up to 30,000 Volts AC
  • Voltages up to 6,000 Volts DC
  • Voltage supplies with a variable transformer
  • Electronic voltage supply with
    a thyristor controller
  • Options: Ethernet, bus system or PLC
    with visualisation
  • Options: Can be operated via buttons or
    touch panel on the unit, remote control or PC


  • Testing of frequency converters and
    motors according to IEC 60034