Pomiary i monitoring stanu izolacji uzwojeń maszyn elektrycznych w przemyśle – doświadczenia własne

The article presents a review of measurement methods used in the industry to evaluate the condition of winding insulations in electrical machines in case of off-line and on-line measurements. In particular, it demonstrate experience of the authors from measurements carried out for several years in regarding the type of monitoring of condition of winding insulations in high-power electrical motors, important from the viewpoint of production processes. The authors also show measurement methods. Examples of measurement results are presented and discussed.