Q2 A three-phase power system is shown in Figure Q2. The data for this system is given in Table Q2. The pre-fault load current and A-Y transformer phase shift are neglected. (a) Draw all the sequence network using a 250 MYA, 275 kV based in the transmission line zone. Write the values of all the parameters on the sequence network. (b) Compute the subtransient fault current at Bus 4 for a line to line to ground fault (DLG). (c) Discuss the answer in part (b) if the neutral of the generator is not grounded.

Q2 A three-phase power system is shown in Figure Q2. The data for this system is given in Table Q2. The pre-fault load current and A-Y transformer phase shift are neglected. (a) Draw all the sequence network using a 250 MYA, 275 kV based in the transmission line zone. Write the values of all the parameters on the sequence network. (b) Compute the subtransient fault current at Bus 4 for a line to line to ground fault (DLG). (c) Discuss the answer in part (b) if the neutral of the generator is not grounded.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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