Partial Discharge Measurement for Early Fault Detection in Rotating Electrical Machines – Theory and Practical Experience
This paper provides an overview of the physical fundamentals of partial discharges and typical PD sources in stator windings, including internal void discharges, surface discharges, slot discharges, and phase-to-phase discharges. The classical PD measurement circuit according to IEC 60270 and the evaluation of phase-re...