A 12KVA, 1200/400 V, single-phase, 50Hz transformer has the following test results: Open Circuit test (HV side): VI=1200V, 10=1.2A, Po=70 W Short Circuit test (LV side): Vsc=30 v, Isc=22 A, Psc=80 w Find the following: 1). Equivalent resistance of the transformer referred to as LV side.(Req2). 2) Equivalent leakage reactance (Xeq2). 3). Calculate the magnitude secondary voltage JE2| to keep the secondary terminal voltage 400 V at full load and 0.8 power factor lagging. 4). Voltage Regulation of the transformer at full load and 0.8 power factor lagging.in% 5). Efficiency of the transformer in %

A 12KVA, 1200/400 V, single-phase, 50Hz transformer has the following test results: Open Circuit test (HV side): VI=1200V, 10=1.2A, Po=70 W Short Circuit test (LV side): Vsc=30 v, Isc=22 A, Psc=80 w Find the following: 1). Equivalent resistance of the transformer referred to as LV side.(Req2). 2) Equivalent leakage reactance (Xeq2). 3). Calculate the magnitude secondary voltage JE2| to keep the secondary terminal voltage 400 V at full load and 0.8 power factor lagging. 4). Voltage Regulation of the transformer at full load and 0.8 power factor lagging.in% 5). Efficiency of the transformer in %

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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