A 3 phase 400V cylindrical rotor is running at 1500rpm. Suddenly the f – McqOptions

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1.	A 3 phase 400V cylindrical rotor is running at 1500rpm. Suddenly the field excitation zero. Then the net reluctance power is
A.	0
B.	sin 2d
C.	cos d
D.	cos 2d
Answer» B. sin 2d

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A 3 phase 400V cylindrical rotor is running at 1500rpm. Suddenly the field excitation zero. Then the net reluctance power is?