In a balanced 3 phase 400 V connection, the line current is 115.5 A. When power is measured by two wattmeter method, one wattmeter reads 40 W and other zero. a) What is the power factor of the load? b) If the power factor were unity and line current same, what would be the reading of each wattmeter?
In a balanced 3 phase 400 V connection, the line current is 115.5 A. When power is measured by two wattmeter method, one wattmeter reads 40 W and other zero. a) What is the power factor of the load? b) If the power factor were unity and line current same, what would be the reading of each wattmeter?
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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