Explain the operation of damper winding

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Explain the operation of damper winding..

damper windings are similar to unshorted squirrel cage
rotor. Current is induced in them by BLV and force is
generated by BIL which is used to damp out the unwanted
oscillations caused during hunting in synchronous m/c

is damper windng used in IM??

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Explain the operation of damper winding..

Answer / gopal manda

Damper winding is use on the pole shoe of the field
winding,it is open circuited.the damper winding is also
called dammy coil is use for prevent the hunting(mechnical
vibration) in motor.

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