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Q23/ In the balanced three phase power measurement using two wattmeter method, each wattmeter reads 18 kW , when the pf is unity. What does each wattmeter reads when the pf falls to (i) 0.6 lag and (ii) 0.422 lag. The total three-phase power remains unchanged

Q23/ In the balanced three phase power measurement using two wattmeter method, each wattmeter reads 18 kW , when the pf is unity. What does each wattmeter reads when the pf falls to (i) 0.6 lag and (ii) 0.422 lag. The total three-phase power remains unchanged

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Q23/

In the balanced three phase power measurement using two wattmeter method, each wattmeter reads 18 kW , when the pf is unity. What does each wattmeter reads when the pf falls to (i) 0.6 lag and (ii) 0.422 lag. The total three-phase power remains unchanged.

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