The line to ground voltage on the high voltage side of a step-up transformer are 100 kV, 33 kV, 38 kV on phases A, B, &C respectively. The voltage of phase A leads that of phase B by 60° & lags that of phase C by 150°. Determine analytically the symmetrical component of voltage A.

The line to ground voltage on the high voltage side of a step-up transformer are 100 kV, 33 kV, 38 kV on phases A, B, &C respectively. The voltage of phase A leads that of phase B by 60° & lags that of phase C by 150°. Determine analytically the symmetrical component of voltage A.

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 3.19MCQ: With the American Standard notation, in either a Y-or-Y transformer, positive- sequen quantities on...

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Question

Solve the given problem.

The line to ground voltage on the high voltage side of a step-up transformer are 100 kV, 33 kV, 38 kV on
phases A, B, & C respectively. The voltage of phase A leads that of phase B by 60° & lags that of phase C
by 150°. Determine analytically the symmetrical component of voltage A.

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