Three identical 400-MVA single-phase transformers, rated at 13.8 kV:199.2 kV are to be connected in a three-phase bank. Each transformer has a series impedance of 0.0 + j9.92 2 referred to its 199.2 kV side winding. (a) The transformers are connected Y on its high voltage side and A on the low voltage side. Calculate (i) the voltage and power rating of the 3-phase connection (ii) the equivalent impedance as referred to its high voltage side and low voltage side
Three identical 400-MVA single-phase transformers, rated at 13.8 kV:199.2 kV are to be connected in a three-phase bank. Each transformer has a series impedance of 0.0 + j9.92 2 referred to its 199.2 kV side winding. (a) The transformers are connected Y on its high voltage side and A on the low voltage side. Calculate (i) the voltage and power rating of the 3-phase connection (ii) the equivalent impedance as referred to its high voltage side and low voltage side
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 3.43P: Three single-phase transformers, each rated 10MVA,66.4/12.5kV,60Hz, with an equivalent series...
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