Would anybody please tell me what is the level of partial discharge one can tolerate for a machine of 1kV rating with a stator potted with epoxy resin .
I have carried out PD tests on my motor and I measured
a Dischatge Inception Voltage of 1074V and measured 100 pico-Coulombs for the PD...
In my machine the stator windings have epoxy resin wedges at the mouth of the slots in order to keep the windings firmly in place. My slot openings are rather large in order to facililate the winding process of the stator (hand wound stator) . I undesrtand that by replacing the epoxy resin...
