a- A 50-Hz transformer is operated from a 60 Hz supply. Assume that the load does not change- Discuss the corresponding effects on its flux, reactive power requirements, losses, and efficiency. A 50-kVA, 2400/240 V, 60-Hz, single-phase distribution transformer has the following equivalent- circuit parameters referred to the high-voltage side. Re-0.5 Ω X = 4,500 2 Use the equivalent Cantilever model circuit shown in Figure (1). Assume that the load on the secondary of the transformer is 40 kVA at 0.8 p.f. lagging with the receiving end voltage maintained Xeg = 3.0 2 R-30,000 Ω at 240 V. b- Determine the following: i- voltage at the primary side, ii- current at the primary side, iii- active power input at the primary side, iv- reactive power input at the primary side, v- power factor at the primary side, and vi- efficiency of the transformer at this loading. Rea 12 Xm

a- A 50-Hz transformer is operated from a 60 Hz supply. Assume that the load does not change- Discuss the corresponding effects on its flux, reactive power requirements, losses, and efficiency. A 50-kVA, 2400/240 V, 60-Hz, single-phase distribution transformer has the following equivalent- circuit parameters referred to the high-voltage side. Re-0.5 Ω X = 4,500 2 Use the equivalent Cantilever model circuit shown in Figure (1). Assume that the load on the secondary of the transformer is 40 kVA at 0.8 p.f. lagging with the receiving end voltage maintained Xeg = 3.0 2 R-30,000 Ω at 240 V. b- Determine the following: i- voltage at the primary side, ii- current at the primary side, iii- active power input at the primary side, iv- reactive power input at the primary side, v- power factor at the primary side, and vi- efficiency of the transformer at this loading. Rea 12 Xm

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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