A balanced 3 phase star connected load draws power from a 420 V supply. Two wattmeter's indicate 9200 W and 3800 W respectively, when connected to measure the input power of the load, the reverse switch being operated on the meter indicating the 3800 W reading Find the following: The Input power, P= The power factor, cosɸ= The line current, IL=

A balanced 3 phase star connected load draws power from a 420 V supply. Two wattmeter's indicate 9200 W and 3800 W respectively, when connected to measure the input power of the load, the reverse switch being operated on the meter indicating the 3800 W reading Find the following: The Input power, P= The power factor, cosɸ= The line current, IL=

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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