In the balanced three phase power measurement using two wattmeter method, each wattmeter reads 24 kW , when the pf is unity. What does each wattmeter reads when the pf falls to (i) 0.6 lag and (ii) 0.906 lag. The total three-phase power remains unchanged. (i) W1 at 0.6 lag (i) W2 at 0.6 lag (ii) W1 at 0.906 lag (ii) W2 at 0.906 lag

Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter3: Power Transformers
Section: Chapter Questions
Problem 3.28P: For the system shown in Figure 3.34. draw an impedance diagram in per unit by choosing 100 kVA to be...
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In the balanced three phase power measurement
using two wattmeter method, each wattmeter
reads 24 kW , when the pf is unity. What does each
wattmeter reads when the pf falls to (i) 0.6 lag and
(ii) 0.906 lag. The total three-phase power remains
unchanged.
(i) W1 at 0.6 lag
(i) W2 at 0.6 lag
(ii) W1 at 0.906 lag
(ii) W2 at 0.906 lag
Transcribed Image Text:In the balanced three phase power measurement using two wattmeter method, each wattmeter reads 24 kW , when the pf is unity. What does each wattmeter reads when the pf falls to (i) 0.6 lag and (ii) 0.906 lag. The total three-phase power remains unchanged. (i) W1 at 0.6 lag (i) W2 at 0.6 lag (ii) W1 at 0.906 lag (ii) W2 at 0.906 lag
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