9.9 The motor in Problem 9.8 is operating at a slip of 0.035 with line-to-line input voltages of: H 480.0/0 [VLLabe]= V 475.0/ – 121.5 Va 466.7/119.8 Determine the following: a. The input stator currents b. The per-phase complex input power c. The total three-phase complex input power d. The stator voltage and current unbalances 9.8 A three-phase 100-hp, 480 V wye-connected induction motor has the following per-unit impedances: Zpu, = 0.043 + j0.089, Zpu, = 0.034 + j0.081, Zpum = j3.11 The rotating loss is Prw =2.75 kW

9.9 The motor in Problem 9.8 is operating at a slip of 0.035 with line-to-line input voltages of: H 480.0/0 [VLLabe]= V 475.0/ – 121.5 Va 466.7/119.8 Determine the following: a. The input stator currents b. The per-phase complex input power c. The total three-phase complex input power d. The stator voltage and current unbalances 9.8 A three-phase 100-hp, 480 V wye-connected induction motor has the following per-unit impedances: Zpu, = 0.043 + j0.089, Zpu, = 0.034 + j0.081, Zpum = j3.11 The rotating loss is Prw =2.75 kW

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

Chapter12: Power System Controls

Section: Chapter Questions

Problem 12.13P

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