A balanced three-phase Y-connected load consumes 390kW at a lagging power factor 0.9. The load is fed from a line having an impedance of 0.002 +j0.01 £2 per phase. The line voltage at the terminals of the load is 500V. a) Calculate the magnitude of the line current b) Calculate the magnitude of the line voltage at the sending end of the line c) Calculate the input power factor d) Calculate the total complex power delivered by the input

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 2.44P: Two balanced three-phase loads that are connected in parallel are fed by a three-phase line having a...
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A balanced three-phase Y-connected load consumes 390kW at a lagging power factor 0.9.
The load is fed from a line having an impedance of 0.002 +j0.01 £2 per phase. The line
voltage at the terminals of the load is 500V.
a) Calculate the magnitude of the line current
b) Calculate the magnitude of the line voltage at the sending end of the line
c) Calculate the input power factor
d) Calculate the total complex power delivered by the input
Transcribed Image Text:A balanced three-phase Y-connected load consumes 390kW at a lagging power factor 0.9. The load is fed from a line having an impedance of 0.002 +j0.01 £2 per phase. The line voltage at the terminals of the load is 500V. a) Calculate the magnitude of the line current b) Calculate the magnitude of the line voltage at the sending end of the line c) Calculate the input power factor d) Calculate the total complex power delivered by the input
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