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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

 maximum
 any of the above
 infinite value
 zero

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

 sin2δ
 cosδ
 cos2δ
 sinδ

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

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

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

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

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

 synchronous reactance
 excitation
 both 1and 2
 load angle

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