Three 6.6 kV altenators of ratings 8 MVA, 2 MVA and 5 MVA have per unit reactances of O.16, 0.08 and 0.12 respectively and are connected to a common bus bar. A 3-phase fault occurs on a feeder which takes off from the bus. The reactance of the feeder from the bus to the fault point is 0.125 ohm. Find the fault MVA. [87.2 MVA]

Three 6.6 kV altenators of ratings 8 MVA, 2 MVA and 5 MVA have per unit reactances of O.16, 0.08 and 0.12 respectively and are connected to a common bus bar. A 3-phase fault occurs on a feeder which takes off from the bus. The reactance of the feeder from the bus to the fault point is 0.125 ohm. Find the fault MVA. [87.2 MVA]

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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The series fault is equal to : -open conductor fault -Line-to-Line fault -Double Line-to-Ground fault -Line-to-ground fault
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