Electrical Machines
Which of the following voltage regulation method is accurate ?

 Synchronous impedance method
 ZPF method
 American standard association method
 MMf method

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Electrical Machines
What is/are the necessary conditions for voltage build up in self excited generator?

 Field winding resistance should be less than critical resistance.
All of these
 Field winding should be properly connected to armature winding.
 Poles should contain residual flux.

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