PPM-97 CORONA PROBE

Offline Partial Discharge Tester

The Iris Power PPM-97 Corona Probe supplements on-line partial discharge measurements by more precisely locating the partial discharge to a particular slot and position, with the motor or generator winding energized by an external high voltage AC source.

This offline test provides a method of testing the quality of bonding between the ground wall insulation layers in the slot sections of new resin-rich and individually VPI’d coils/bars, and the adequacy of slot resin fill in global VPI windings.

  • The PPM-97 is an offline tool that supplements on-line partial discharge monitoring.
  • The instrument has a continuous wave sensitivity: 0.9 V RMS
  • Runs off 9V battery and is both light-weight and portable
  • The PPM-97 is recommended in IEEE® Standard 1434™

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