4.33 Three single-phase, 10-kVA, 2400/120-V, 60-Hz transformers are connected to form a three-phase, 4160/208-V transformer bank. The equivalent impedance of each single-phase transformer referred to the primary side is 10+ j25 . The transformer bank delivers 27 kW at 208 V and 0.9 power factor leading. a. Draw the three-phase schematic diagram showing the transformer connection. Draw a per-phase equivalent circuit. b. Determine the primary current and power factor. c. Determine the primary voltage.

4.33 Three single-phase, 10-kVA, 2400/120-V, 60-Hz transformers are connected to form a three-phase, 4160/208-V transformer bank. The equivalent impedance of each single-phase transformer referred to the primary side is 10+ j25 . The transformer bank delivers 27 kW at 208 V and 0.9 power factor leading. a. Draw the three-phase schematic diagram showing the transformer connection. Draw a per-phase equivalent circuit. b. Determine the primary current and power factor. c. Determine the primary voltage.

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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