A 3 Phase, 50 Hz synchronous generator is connected to an infinite bus. The maximum power that can be transferred to infinite bus is 1 p.u. The mechanical input to the generator is \(\frac{{\sqrt 3 }}{2}\) p.u. Inertia constant of the generator is 5s. Find the natural frequency of oscillation of the system?

A 3 Phase, 50 Hz synchronous generator is connected to an infinite bus

1.	A 3 Phase, 50 Hz synchronous generator is connected to an infinite bus. The maximum power that can be transferred to infinite bus is 1 p.u. The mechanical input to the generator is \(\frac{{\sqrt 3 }}{2}\) p.u. Inertia constant of the generator is 5s. Find the natural frequency of oscillation of the system?
A.	\(\sqrt {10\pi }\) rad/sec
B.	\(\sqrt {20\pi }\) rad/sec
C.	\(\sqrt {15\pi }\) rad/sec
D.	\(\sqrt {5\pi }\) rad/sec
Answer» E.

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