A 400V three-phase, four wire system has the following loads connected: Phase 3: load impedance Z3 = 15 – j20 Ω   Draw the circuit diagram and determine:   The line and phase voltages for phase 3 (including phase angles) The line and phase currents for for phase 3  (including phase angles) The neutral current (including phase angle)

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 3.43P: Three single-phase transformers, each rated 10MVA,66.4/12.5kV,60Hz, with an equivalent series...
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  • A 400V three-phase, four wire system has the following loads connected:

Phase 3: load impedance Z3 = 15 – j20 Ω

 

Draw the circuit diagram and determine:

 

  1. The line and phase voltages for phase 3 (including phase angles)
  2. The line and phase currents for for phase 3  (including phase angles)
  3. The neutral current (including phase angle)
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