The following data relate to a 50 Hz generator. e.m.f. to neutral = 7.5 kV (rms) Reactance of generator and connected system = 5Ω Distributed capacitance to neutral = 0.02 µF (Resistance negligible) Calculate the following: (1) Maximum voltage across the contacts of circuit breaker when it breaks a short circuit current at zero current. (2) Frequency of the transient oscillation.

The following data relate to a 50 Hz generator. e.m.f. to neutral = 7.5 kV (rms) Reactance of generator and connected system = 5Ω Distributed capacitance to neutral = 0.02 µF (Resistance negligible) Calculate the following: (1) Maximum voltage across the contacts of circuit breaker when it breaks a short circuit current at zero current. (2) Frequency of the transient oscillation.

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

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.29MCQ: The total instantaneous power absorbed by a three-phase motor (under balanced steady-state...

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