Q1) The equivalent low-side parameters of a 250kVA, 4160 - 480V, 60 = = 0.0433 9. The Hz transformer are Req,LS 0.00920 and Xeq, LS transformer is operated in the step-down mode and is delivering rated current at rated voltage to a 0.840 power-factor lagging load. Determine: the no-load voltage, the actual input voltage on the high-side, the high- side current, the input impedance, and the voltage regulation.

Q1) The equivalent low-side parameters of a 250kVA, 4160 - 480V, 60 = = 0.0433 9. The Hz transformer are Req,LS 0.00920 and Xeq, LS transformer is operated in the step-down mode and is delivering rated current at rated voltage to a 0.840 power-factor lagging load. Determine: the no-load voltage, the actual input voltage on the high-side, the high- side current, the input impedance, and the voltage regulation.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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Concept explainers

Single Phase Transformer

A single-phase transformer is a type of power transformer. It is an electrical device that accepts converts the single phase alternating power into single phase alternating power. In this power conversion the voltage is stepped up or down. If the voltage is stepped up, the current will be stepped down and if the voltage is stepped down, the current will be stepped up.

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Q1) The equivalent low-side parameters of a 250kVA, 4160 - 480V, 60
=
=
Hz transformer are Req,LS
0.00920 2 and Xeq,LS
0.0433 9. The
transformer is operated in the step-down mode and is delivering rated
current at rated voltage to a 0.840 power-factor lagging load. Determine:
the no-load voltage, the actual input voltage on the high-side, the high-
side current, the input impedance, and the voltage regulation.

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