A synchronous generator is running over excited with a Ef=1.40pu. This – McqOptions

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1.	A synchronous generator is running over excited with a Ef=1.40pu. This machine, with a synchronous reactance of 1.2pu, is delivering a synchronous power of 0.5pu to the bus. If the prime-mover torque is increased by 1%, by how much will the reactive power, Q change?$
A.	-0.475 %
B.	0.475%
C.	4.75%
D.	-4.75%
Answer» B. 0.475%

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