Q2 / For the connection of Figure 2, in terms of switching surge, when the second terminal of CB is shorting the circuit to the earth, answer the following questions: 1- Plot the equivalent electrical RLC circuit expressing the circuit case. 2- Explain the effect of R, L, and C values on the shape of generated oscillation. 3- Determine the relative attenuation occurring in three cycles in the overvoltage surge set up on a 75 kV cable fed through an air-blast circuit breaker when the breaker opens on a system short circuit. The network parameters are as follows: R= 8.5 0, L = 7.1mH, C= 0.0516 µF

Q2 / For the connection of Figure 2, in terms of switching surge, when the second terminal of CB is shorting the circuit to the earth, answer the following questions: 1- Plot the equivalent electrical RLC circuit expressing the circuit case. 2- Explain the effect of R, L, and C values on the shape of generated oscillation. 3- Determine the relative attenuation occurring in three cycles in the overvoltage surge set up on a 75 kV cable fed through an air-blast circuit breaker when the breaker opens on a system short circuit. The network parameters are as follows: R= 8.5 0, L = 7.1mH, C= 0.0516 µF

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

Chapter13: Transmission Lines: Transient Operation

Section: Chapter Questions

Problem 13.24P

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