Diagnostyka maszyn elektrycznych w elektrowniach – przykłady praktyczne

This paper presents the diagnostic methods used in power stations to evaluate the technical conditions of electric machines which have been used for years in the Opole Power Station. The thermovision technics used to diagnose rotor cages in induction motors are described in detail. A method to evaluate insulation windings conditions through the introduction of diagnostic factor for them is presented. Examples of such an evaluation and its practical application are included.