Effect of Static Rotor Eccentricity on End Winding Forces and Vibration Wearing

Table 1

Key parameters of the QFSN-600-2YHG turbo-generator.

Parameter	Value	Parameter	Value
Rated capacity	667 MVA	Rated exciting current	4128A
Rated voltage	20000 v	Number of stator coils in series per phase	7
Rated rotating speed	3000 rpm	Number of turns in per rotor slot	8 (6 for slot 1 and slot 16)
Number of pole pairs	1	Length of rotor	6250 mm
Connection mode of stator winding	2Y	Stack length	6300 mm
Pitch	17	Inner diameter of stator	1316 mm
Power factor	0.9	Outer diameter of stator	2674 mm
Operating temperature	75°C	Inner diameter of rotor	500 mm
Indexing slots of rotor	50	Outer diameter of rotor	1130 mm
Real slots of rotor	32	Air-gap length	93 mm
Number of stator slots	42	Stacking factor	0.95
Rotor slot dimensions		Stator slot dimensions