A three phase transformer is given, with the following data: S = 200 kVA = 22 kV t 55 cosp 0.25 s0% 12 % The secondary side of the transformer is connected with a line (2 = 20 + j40 mo) to a three phase balanced load, star connected, having an jo.5 a Neglecting the no load parameters, and supplying the primary at its rated voltage, evaluate: Z" = the short circuit impedance (at secondary)

A three phase transformer is given, with the following data: S = 200 kVA = 22 kV t 55 cosp 0.25 s0% 12 % The secondary side of the transformer is connected with a line (2 = 20 + j40 mo) to a three phase balanced load, star connected, having an jo.5 a Neglecting the no load parameters, and supplying the primary at its rated voltage, evaluate: Z" = the short circuit impedance (at secondary)

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 3.4P: A single-phase 100-kVA,2400/240-volt,60-Hz distribution transformer is used as a step-down...

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