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ELECTRICAL MACHINES

Electrical Machines
In salient pole synchronous machine, if direct axis reactance and quadrature axis reactance is equal, then power developed due to reluctance is

 zero
 maximum
 any of the above
 infinite value

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Electrical Machines
In salient pole synchronous machine, the reluctance power varies as

 cos2δ
 sin2δ
 cosδ
 sinδ

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Electrical Machines
In salient pole synchronous machine, maximum power occurs at a load angle of

 0°
 Greater than 90°
 90°
 less than 90°

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Electrical Machines
The maximum power developed in cylindrical synchronous machine is occurs at a load angle of

 0o.
 less than 90o.
 Greater than 90o.
 90o.

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Electrical Machines
Maximum power developed in a cylindrical synchronous machine depends on

 both 1and 2
 excitation
 load angle
 synchronous reactance

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