1. A standard transformer has a rating of 60 kVA. The primary and secondary voltages are rated respectively at 600 V and 120 V. a) What is the rated current for each winding? b) If the primary winding is connected to 600 V ac, what kVA load can be connected to the secondary winding? 2. If the same transformer in Question 1 is connected as an autotransformer to 600 V ac: a) What would be the available output voltages using different connections? b) Calculate the kVA load that the transformer can supply for each of the output voltages. c) Calculate the winding currents for each of the output voltages and state whether they exceed the rated values.

1. A standard transformer has a rating of 60 kVA. The primary and secondary voltages are rated respectively at 600 V and 120 V. a) What is the rated current for each winding? b) If the primary winding is connected to 600 V ac, what kVA load can be connected to the secondary winding? 2. If the same transformer in Question 1 is connected as an autotransformer to 600 V ac: a) What would be the available output voltages using different connections? b) Calculate the kVA load that the transformer can supply for each of the output voltages. c) Calculate the winding currents for each of the output voltages and state whether they exceed the rated values.

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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