Research Article
A Comprehensive Analysis on Transient Electromagnetic Force Behavior of Stator Windings in Turbo-Generator
Figure 16
Real insulation damage photos in different generators: (a) nose-top damaged in a 200MW generator (the black area indicates the insulation burned districts), (b) nose-top damaged in a 15MW generator, (c) the middle of the involute part damaged in a 20MW generator, and (d) joint part damaged in a 300MW generator (caused by overstress-induced spacer deformation and friction).
(a) |
(b) |
(c) |
(d) |