11.26 The line-to-neutral voltage at the terminals of the balanced three-phase load in the circuit shown in Fig. P11.26 is 1600 V. At this voltage, the load is ab- sorbing 480 kVA at 0.8 pf lag. a) Use VAN as the reference and express Ina in polar form. n b) Calculate the complex power associated with the ideal three-phase source. c) Check that the total average power delivered equals the total average power absorbed. d) Check that the total magnetizing reactive power delivered equals the total magnetizing reactive power absorbed. Figure P11.26 Ina Van V cn a -1750 bn b -j75 Ω ; 21 0.2 Ω j 0.8 Ω -j750 0.2 Ω - j 0.8 Ω ww 0.2 Ω j0.8 Ω | ww A 480 kVA B 0.8 pf lag C

11.26 The line-to-neutral voltage at the terminals of the balanced three-phase load in the circuit shown in Fig. P11.26 is 1600 V. At this voltage, the load is ab- sorbing 480 kVA at 0.8 pf lag. a) Use VAN as the reference and express Ina in polar form. n b) Calculate the complex power associated with the ideal three-phase source. c) Check that the total average power delivered equals the total average power absorbed. d) Check that the total magnetizing reactive power delivered equals the total magnetizing reactive power absorbed. Figure P11.26 Ina Van V cn a -1750 bn b -j75 Ω ; 21 0.2 Ω j 0.8 Ω -j750 0.2 Ω - j 0.8 Ω ww 0.2 Ω j0.8 Ω | ww A 480 kVA B 0.8 pf lag C

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 2.13MCQ

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