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Maxwell Technologies’ PD coupler gives customers the possibility to control the aging of Generators or Motors. The appropriate coupling impedance is fixed in a sealed housing on the bottom of the capacitor and connected to the monitoring equipment in order to measure the partial discharges of the stator winding of a generator or motor. The 50Hz signal is also available from the coupling impedance to synchronize the High Frequency partial discharge signal.
PD coupler capacitors are available in both Dry based (CONDAS) or Oil based (CONDOR) technology and for indoor or outdoor applications.