plz answer all QUESTION 3A 2000 kVA, 33/0.433 kV, three-phase, 50 Hz, two winding transformer has four2.5 % taps on its primary winding and percentage impedance of (1 + j7) 2.Assume the supply voltage remains constant.a)i)Draw the two winding transformer and clearly indicate the four taps on theprimary.Calculate the tapping that should be used to maintain 433 V, if on-loadsecondary voltage reduces to 422 V.ii)iii)Determine the tapping that must be used to maintain rated voltage at thesecondary on full load at 0.8 lagging power factor.A 2000 kVA, 6600/400 V, 3-phase transformer is connected in A-Y. Theopen circuit test and short circuit test was performed the following data wererecorded:b)Short circuit test; H.V data: 400 V, 175 A and 17 kW.Open circuit test; L.V data: 400 V, 150 A and 15 kWCompute the following:i)The percentage of resistance drop.ii)The percentage of reactance drop.iii)The voltage regulation on full load 0.8 power factor leading.

Answered: Image /qna-images/answer/128c50e5-9e70-4294-9061-80cc509b6509.jpg

A 2000 kVA, 6600/400 V, 3-phase transformer is connected in A-Y. The open circuit test and short circuit test was performed the following data were b) recorded: Short circuit test; H.V data: 400 V, 175 A and 17 kW. Open circuit test; L.V data: 400 V, 150 A and 15 kW Compute the following: i) The percentage of resistance drop. ii) The percentage of reactance drop. iii) The voltage regulation on full load 0.8 power factor leading.

A 2000 kVA, 6600/400 V, 3-phase transformer is connected in A-Y. The open circuit test and short circuit test was performed the following data were b) recorded: Short circuit test; H.V data: 400 V, 175 A and 17 kW. Open circuit test; L.V data: 400 V, 150 A and 15 kW Compute the following: i) The percentage of resistance drop. ii) The percentage of reactance drop. iii) The voltage regulation on full load 0.8 power factor leading.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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