takes 30 A at 200 V the power input being 1,500 W. On open circuit, both transformers give a secondary voltage of 2200 when 11,000 volts are applied to the primary terminals. These transformers are connected in parallel

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 3.26P: A bank of three single-phase transformers, each rated 30MVA,38.1/3.81kV, are connected in Y- with a...
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Two transformers A and B give the following test results. With the low-tension side short-circuited, A takes a current of 10 A at 200 V, the power input being 1000 W. Similarly, B takes 30 A at 200 V the power input being 1,500 W. On open circuit, both transformers give a secondary voltage of 2200 when 11,000 volts are applied to the primary terminals. These transformers are connected in parallel

on both high tension and low tension sides Calculate the current at transformer B when supplying a load of 200 A at 0.8 power factor lagging. Hint : Calculate ZA and ZB from S.C. test data) Answer in whole number

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