ISRO Electrical Engineering (EE) 2015 - Question 53

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The rate of rise of restriking voltage depends upon

  • A. The type of circuit breaker
  • B. Inductance of the system only
  • C. The capacitance of the system only
  • D. The inductance and capacitance of the system only

Answer: D. The inductance and capacitance of the system only

Explanation: Rate of Rise of Restriking Voltage (RRRV) depends on the natural frequency of oscillation ωn = 1/√(LC), determined strictly by the equivalent system inductance L and capacitance C.

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