Two impedances Z 1 and Z 2 , when connected separately across a 230 volt, 50 Hz supply consumed 100 watts and 60 watts at power factors of 0.5 lagging and 0.6 leading respectively. If these impedances are connected in parallel across 230 volt, 60 Hz supply, find: (a) total power absorbed and overall power factor; (b) the value of a reactance to be further connected in series with the two to make the overall power factor to be unity
Two impedances Z 1 and Z 2 , when connected separately across a 230 volt, 50 Hz supply consumed 100 watts and 60 watts at power factors of 0.5 lagging and 0.6 leading respectively. If these impedances are connected in parallel across 230 volt, 60 Hz supply, find: (a) total power absorbed and overall power factor; (b) the value of a reactance to be further connected in series with the two to make the overall power factor to be unity
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
Chapter2: Fundamentals
Section: Chapter Questions
Problem 2.7MCQ
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Two impedances Z 1 and Z 2 , when connected separately across a 230 volt, 50 Hz supply consumed 100 watts and 60 watts at power factors of 0.5 lagging and 0.6 leading respectively. If these impedances are connected in parallel across 230 volt, 60 Hz supply, find: (a) total power absorbed and overall power factor; (b) the value of a reactance to be further connected in series with the two to make the overall power factor to be unity.
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