Three similar resistors connected in star draw a line current of 10 A from a 380-V, 3-phase mains. To what value should the line voltage be changed to obtain the same line current with the resistors connected in delta?

Three similar resistors connected in star draw a line current of 10 A from a 380-V, 3-phase mains. To what value should the line voltage be changed to obtain the same line current with the resistors connected in delta?

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 AC Circuit

Alternating Current (AC) is a type of electric power in which the electric current changes, both in magnitude and direction, at regular intervals. This AC Circuits can deliver power in either a Single Phase system or a Three Phase system.

Question

Three similar resistors connected in star draw a line current of 10 A from a 380-V, 3-phase mains.
To what value should the line voltage be changed to obtain the same line current with the resistors
connected in delta?

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