Question: A 5 0 Hz , three - phase synchronous generator has an inductance per phase of 1 . 7 5 m Hand it's neutral is

A 50Hz,three-phase synchronous generator has an inductance per phase of 1.75m Hand it's neutral is grounded. If feed saline through a circuit breaker. The total stray capacitance to the ground of the generator and circuit breaker is 0.0025F. A fault occurs just beyond the circuit breaker, which opens when the symmetrical SC current is 7500A (rms). Determine the following
i. Natural frequency of oscillation, ii. Peak value of TRV, iii. Time at which peak value of TRV occurs, iv. Maximum rate of rise of TRV

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