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Mohaupt test transformers are turn-key solutions designed upon request, individually according to your needs. Cylinder type test transformers are suitable for development and field-testing of low capacitive, inductive or resistive test objects. They can easily be equipped with a tertiary winding and are therefore often used in cascade connection to achieve very high test voltages.

Cooling system for oil/water cooling

Automatic grounding switch

Easy connection and disconnection by Mulit-Contact

Oil containment integrated
into base frame

  1. Can be cascaded to increase the output voltage

  2. Internal compensation for high capacitive load currents

  3. Low input power requirements in case of primary compensation

  4. Split of primary winding to extend load range for lower voltages
  1. Can be extended by high voltage compensation (PCR)

  2. Middle steel tank provides a sufficient cooling for most duty cycles or can be equipped with radiators

  3. External spark gaps protect the transformers in case of overvoltage

The design of Mohaupt test transformers follows the proven and established design rules of test transformers. To ensure proper flux distribution and reduce deviation of the short circuit impedance in case of cascading, MHV transformers are equipped as a standard with internal compensation windings. These compensation windings also allow to transmit power beside the iron core, which enables high power transformer cascades for testing capacitive test objects with a rather low input power. The robust and reliable design offers a maximum test power at a minimum foot print in addition. Cooling can be air natural (radiators on steel tank) or forced with water cooling.