The Y-A system of Fig.3. A positive sequence of balanced voltages is applied at the load erminals. The source phase voltage is Van = 230.9420V If the line current is 10 A and the reading of two wattmeters are -2000, and 2000 W respectively. What is the power factor of the load? Plot the phasor diagram. What is Z? (b) For the same voltages and currents in the previous case and a unity power factor, what are the readings of the two wattmeters respectively? Plot the phasor diagram. What is Z? W₁ W₂ Z Z

The Y-A system of Fig.3. A positive sequence of balanced voltages is applied at the load erminals. The source phase voltage is Van = 230.9420V If the line current is 10 A and the reading of two wattmeters are -2000, and 2000 W respectively. What is the power factor of the load? Plot the phasor diagram. What is Z? (b) For the same voltages and currents in the previous case and a unity power factor, what are the readings of the two wattmeters respectively? Plot the phasor diagram. What is Z? W₁ W₂ Z Z

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 2.40P: A balanced three-phase 240-V source supplies a balanced three-phase Load. If the line current IA is...

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