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A 10-kVA, 4800/480-V single-phase transformer has primary and secondary winding parameters of 0.6+j3.1 ohms and 0.007+j0.035 ohms respectively. If the primary voltage is maintained at 5,050 V, determine the secondary voltage if the load draws (a) half-load at 0.85 pf lagging, (b) 80% loading at 0.88 pf lagging and (c) full- load at 0.92 pf leading. Calculate also the power angle of the primary voltage.

A 10-kVA, 4800/480-V single-phase transformer has primary and secondary winding parameters of 0.6+j3.1 ohms and 0.007+j0.035 ohms respectively. If the primary voltage is maintained at 5,050 V, determine the secondary voltage if the load draws (a) half-load at 0.85 pf lagging, (b) 80% loading at 0.88 pf lagging and (c) full- load at 0.92 pf leading. Calculate also the power angle of the primary voltage.

Introductory Circuit Analysis (13th Edition)
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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A 10-kVA, 4800/480-V single-phase transformer has primary and secondary winding parameters of 0.6+j3.1 ohms and 0.007+jO.035 ohms respectively. If the primary voltage is maintained at 5,050 V, determine the secondary voltage if the load draws (a) half-load at 0.85 pf lagging, (b) 80% loading at 0.88 pf lagging and (c) full- load at 0.92 pf leading. Calculate also the power angle of the primary voltage.
Transcribed Image Text:A 10-kVA, 4800/480-V single-phase transformer has primary and secondary winding parameters of 0.6+j3.1 ohms and 0.007+jO.035 ohms respectively. If the primary voltage is maintained at 5,050 V, determine the secondary voltage if the load draws (a) half-load at 0.85 pf lagging, (b) 80% loading at 0.88 pf lagging and (c) full- load at 0.92 pf leading. Calculate also the power angle of the primary voltage.
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