Four identical alternators rated 25 MVA each has a per unit reactance of 0.50. These alternators are supplying power to a common bus bar at 13.8 kV. Solve the 3-phase short circuit MVA at the bus bar.

Four identical alternators rated 25 MVA each has a per unit reactance of 0.50. These alternators are supplying power to a common bus bar at 13.8 kV. Solve the 3-phase short circuit MVA at the bus bar.

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 2.41P

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Concept explainers

Single Phase AC Circuit

Alternating Current (AC) is a type of electric power in which the electric current changes, both in magnitude and direction, at regular intervals. This AC Circuits can deliver power in either a Single Phase system or a Three Phase system.

Question

Four identical alternators rated 25 MVA each has a per unit
reactance of 0.50. These alternators are supplying power to a common
bus bar at 13.8 kV. Solve the 3-phase short circuit MVA at the bus bar.

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