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A 1.5 KVA, 220:110 V, 60 Hz, single-phase transformer gave the following test results: Open-circuit test: Short-circuit test: V-110 V V-8.25 V I=0.4 A I-13.6 A P=25 W P = 40 W a) Determine the parameters of the approximate equivalent circuit of the transformer referred to the high-voltage side. b) Determine the efficiency of the transformer at full-load, 110 V, and 0.8 power factor leading. Use the approximate circuit.

A 1.5 KVA, 220:110 V, 60 Hz, single-phase transformer gave the following test results: Open-circuit test: Short-circuit test: V-110 V V-8.25 V I=0.4 A I-13.6 A P=25 W P = 40 W a) Determine the parameters of the approximate equivalent circuit of the transformer referred to the high-voltage side. b) Determine the efficiency of the transformer at full-load, 110 V, and 0.8 power factor leading. Use the approximate circuit.

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 1.5 KVA, 220:110 V, 60 Hz, single-phase transformer gave the following test results: Open-circuit test: Short-circuit test: V-110 V V-8.25 V I=0.4 A I-13.6 A P=25 W P = 40 W a) Determine the parameters of the approximate equivalent circuit of the transformer referred to the high-voltage side. b) Determine the efficiency of the transformer at full-load, 110 V, and 0.8 power factor leading. Use the approximate circuit.
Transcribed Image Text:A 1.5 KVA, 220:110 V, 60 Hz, single-phase transformer gave the following test results: Open-circuit test: Short-circuit test: V-110 V V-8.25 V I=0.4 A I-13.6 A P=25 W P = 40 W a) Determine the parameters of the approximate equivalent circuit of the transformer referred to the high-voltage side. b) Determine the efficiency of the transformer at full-load, 110 V, and 0.8 power factor leading. Use the approximate circuit.
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