Testing Technology

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Testing Technology

Variable Transformer DRTE

Three-phase variable column-type transformers (auto windings, IP 00)

The REO column-type variable transformers complement the REOVAR series for currents up to 1000A with a fine-step adjustment of the output voltage at a constant current at the output.

The waveform of the sine wave is preserved – like that,  EMC problems cannot occur over the entire operating range of 0 – 1000A. All products in the series come with UL – listed materials .

The REO construction enables easy handling of the carbon rolls and the spindle – the copper-bevel gear allows a hysteresis-free adjustment of the output voltage even at high adjustment speed of the drive motor. Thus REO variable column transformers are perfect for high performance adjustment .

REO-column type variable transformers conform to EN 61558-2-14

Advantages

  • Closely stepped adjusting of output voltages
  • Low-loss cores
  • Vacuum impregnated windings
  • Windings virtually maintenance free
  • UL-listed materials
  • Available in IP 00 and IP 20
  • Wide range of accessories

 

Technical specification

DRTE

DRTE

DRTE-S

DRTE-S

Options for column variable-ratio transformers

Options for column variable-ratio transformers