Q) A balanced star-connected load is supplied from a symmetrical three-phase, 400 V (line-to-line) supply. The current in each phase is 50 A and lags 30° behind the phase voltage. Calculate: 1) the phase voltage 2) the phase impedance 3) the active and reactive power drawn by the load 4) sketch the phasor diagram showing the phase and line voltages

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
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Q) A balanced star-connected load is supplied from a symmetrical three-phase, 400 V
(line-to-line) supply. The current in each phase is 50 A and lags 30° behind the phase
voltage. Calculate:
1) the phase voltage
2) the phase impedance
3) the active and reactive power drawn by the load
4) sketch the phasor diagram showing the phase and line voltages
Transcribed Image Text:Q) A balanced star-connected load is supplied from a symmetrical three-phase, 400 V (line-to-line) supply. The current in each phase is 50 A and lags 30° behind the phase voltage. Calculate: 1) the phase voltage 2) the phase impedance 3) the active and reactive power drawn by the load 4) sketch the phasor diagram showing the phase and line voltages
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