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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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TRANSFORMERS, please answer the highlighted text

Transcribed Image Text:### Transformer Analysis
A single-phase 230 kVA, 3200/320 V, 60 Hz, step-down transformer has the following parameters:
- \(R_p = 1.2\ \Omega\)
- \(X_p = 3.0\ \Omega\)
- \(R_s = 0.012\ \Omega\)
- \(X_s = 0.030\ \Omega\)
- \(R_c = 2\ k\Omega\)
- \(X_m = 1.5\ k\Omega\)
The transformer is operating at 75% of the full load with a power factor of 0.707 lagging.
**Tasks:**
a) **Determine the efficiency of the transformer.**
b) **Determine the voltage regulation of the transformer.**
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