The line-to-ground voltages on the high voltage side of a step-up transformer are 100 kV Z0° , 33 kV Z-100° and 38 kV Z176.5° on phases a, b and c respectively. Determine the symmetrical components of voltage of phase a and phase b. Draw the negative sequence phasor diagram.

The line-to-ground voltages on the high voltage side of a step-up transformer are 100 kV Z0° , 33 kV Z-100° and 38 kV Z176.5° on phases a, b and c respectively. Determine the symmetrical components of voltage of phase a and phase b. Draw the negative sequence phasor diagram.

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 3.31P

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The line-to-ground voltages on the high voltage side of a step-up transformer
are 100 kV Z0° , 33 kV Z- 100° and 38 kV Z176.5° on phases a, b and c
respectively. Determine the symmetrical components of voltage of phase a
and phase b. Draw the negative sequence phasor diagram.

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