1. A balanced three-phase Y connected generator with positive (abc) sequence has an impedance of 1+j2 0/4 and an internal voltage of 100 V/y. The generator feeds a balanced three-phase Y-connected load having an impedance of 38+j16N/y. The impedance of the line connecting the generator to the load is 1+j20/p. The a-phase internal voltage of the generator is specified as the reference phasor. a) Construct the a-phase equivalent circuit of the system. b) Calculate the line currents laa, Ibe and Ic. c) Calculate the phase voltages VAn, Ven, VCN and line voltages VAB, Vec, Vca- d) Calculate the average power and reactive power per phase delivered to the Y-connected load. e) Calculate the total average power, total reactive power and total complex power delivered to the Y- connected load.
1. A balanced three-phase Y connected generator with positive (abc) sequence has an impedance of 1+j2 0/4 and an internal voltage of 100 V/y. The generator feeds a balanced three-phase Y-connected load having an impedance of 38+j16N/y. The impedance of the line connecting the generator to the load is 1+j20/p. The a-phase internal voltage of the generator is specified as the reference phasor. a) Construct the a-phase equivalent circuit of the system. b) Calculate the line currents laa, Ibe and Ic. c) Calculate the phase voltages VAn, Ven, VCN and line voltages VAB, Vec, Vca- d) Calculate the average power and reactive power per phase delivered to the Y-connected load. e) Calculate the total average power, total reactive power and total complex power delivered to the Y- connected load.
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 2.28MCQ: The total instantaneous power delivered by a three-phase generator under balanced operating...
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