Damper winding 30 also reduces {TAIL ~ forces} resulting from {HEAD ~ rotation} of an unbalanced force load and reduces rotor harmonics 
Damper winding 30 also reduces { TAIL ~ forces } resulting from { HEAD ~ rotation } of an unbalanced force load and reduces rotor harmonics
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH