Impact of the Field Winding Interturn Short-Circuit Position on Rotor Vibration Properties in Synchronous Generators

Figure 1

Rotor MMF variation: (a) rotor structure, (b) field winding connection, (c) MMF reduction due to FWISC in two different positions, (d) normal rotor MMF, (e) inversed MMF by short-circuit turns, and (f) MMF after FWISC.

(a)

(b)

(c)

(d)

(e)

(f)