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A 258 kVA transformer has a primary wihding resistance of 0.7 Q and a secondary winding resistance of 0.002 N. The iron loss is 5.5 kW and the primary and secondary voltages are 2 kV and 210 V respectively. If the power factor of the load is 0.7,then determine the efficiency of the transformer on 90 % load. 11 12 Pc Efficiency

A 258 kVA transformer has a primary wihding resistance of 0.7 Q and a secondary winding resistance of 0.002 N. The iron loss is 5.5 kW and the primary and secondary voltages are 2 kV and 210 V respectively. If the power factor of the load is 0.7,then determine the efficiency of the transformer on 90 % load. 11 12 Pc Efficiency

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 258 kVA transformer has a primary wihding resistance of 0.7 Q and a secondary winding resistance of 0.002 N. The iron loss is 5.5 kW and the primary and secondary voltages are 2 kV and 210 V respectively. If the power factor of the load is 0.7,then determine the efficiency of the transformer on 90 % load. 11 12 Pc Efficiency
Transcribed Image Text:A 258 kVA transformer has a primary wihding resistance of 0.7 Q and a secondary winding resistance of 0.002 N. The iron loss is 5.5 kW and the primary and secondary voltages are 2 kV and 210 V respectively. If the power factor of the load is 0.7,then determine the efficiency of the transformer on 90 % load. 11 12 Pc Efficiency
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