67. In a short circuit test on a circuit breaker, the following readings were obtained on single frequency transient : Time to reach the peak restriking voltage = 50 μ sec Peak restriking voltage = 100 kV The average RRRV is (1) 2× 106 kV/sec (ii) 4 × 106 kV/sec (iii) 5.6 × 106 kV/sec (iv) none of above

67. In a short circuit test on a circuit breaker, the following readings were obtained on single frequency transient : Time to reach the peak restriking voltage = 50 μ sec Peak restriking voltage = 100 kV The average RRRV is (1) 2× 106 kV/sec (ii) 4 × 106 kV/sec (iii) 5.6 × 106 kV/sec (iv) none of above

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter7: Symmetrical Faults

Section: Chapter Questions

Problem 7.3P

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