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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

 any of the above
 zero
 maximum
 infinite value

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

 cos2δ
 cosδ
 sin2δ
 sinδ

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

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

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

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

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

 synchronous reactance
 excitation
 load angle
 both 1and 2

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