Hunting and Damper Windings

At synchronous speed, relative speed between rotating air-gap flux and damper is

Damper winding should have

Turbo generators do not use damper winding due to

When the rotor speed becomes greater than synchronous speed, which type of torque is produced in damper winding?

The probable causes of hunting is

The damper winding are placed in

The relative speed between rotor and stator field is zero. This means

Effects of hunting are/is

Employment of damper winding will reduce hunting.

Using a _____ can be used to limit hunting

Damper windings are made of

When an alternator is loaded suddenly the torque produced in damper is?

The satisfactory operation of the synchronous machine means