Electric machinery fundamentals
5th Edition
ISBN: 9780073529547
Author: Chapman, Stephen J.
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 2, Problem 2.2P
A single-phase power system is shown in Figure P2-1. The power source feeds a 100-kVA, 14/2.4-kV transformer through a feeder impedance of
The transformer’s equivalent series impedance referred to its low-voltage side is
The load on the transformer is 90 kW at 0.80 PF lagging and 2300 V.
FIGURE P2-1
The circuit of Problem 2-2.
- What is the voltage at the power source of the system?
- What is the voltage regulation of the transformer?
- How efficient is the overall power system?
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Chapter 2 Solutions
Electric machinery fundamentals
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