Numerical -Natural frequency of oscillation for given capacitances of synchronous generator & circuit breaker

Q.  A 50 Hz 3 phase synchronous generator has inductance per phase of 15mH. The capacitance of generator and the circuit breaker is 0.002μ F. What is the natural frequency of oscillation?
- Published on 17 Nov 15

a. 29 kHz
b. 2.9 kHz
c. 290 kHz
d. 29 MHz

ANSWER: 29 kHz

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