3.18 Fig. 3.37 shows a power system having three generators, four transformers and one Take base MVA = 30,and rated voltages as base voltage. Draw reactance diagram. Indicate the reactances in p.u. on the diagram. 3.19 Fig. 3.38 shows a generator feeding two motors through transformers and line. The ratings and reactances are as under. Generator 100 MVA 11 kV, 3 phase, X = 20% Transformer T,: 3 phase, 100 MVA, 11/132 kV, X = 5% . Transformer T: Bank of 3 single phase transformers, each rated at 35 MVA, 66/11 kV, X = 4% smis re Motor M: 40 MVA, 3 phase, 10 kV, X = 20% Motor M2: 60 MVA, 3 phase, 11 kV, X = 15% The line reactance is 80 ohms. Select suitable base values. Draw reactance diagram. Indicate p.u. reactances ón the diagram.

3.18 Fig. 3.37 shows a power system having three generators, four transformers and one Take base MVA = 30,and rated voltages as base voltage. Draw reactance diagram. Indicate the reactances in p.u. on the diagram. 3.19 Fig. 3.38 shows a generator feeding two motors through transformers and line. The ratings and reactances are as under. Generator 100 MVA 11 kV, 3 phase, X = 20% Transformer T,: 3 phase, 100 MVA, 11/132 kV, X = 5% . Transformer T: Bank of 3 single phase transformers, each rated at 35 MVA, 66/11 kV, X = 4% smis re Motor M: 40 MVA, 3 phase, 10 kV, X = 20% Motor M2: 60 MVA, 3 phase, 11 kV, X = 15% The line reactance is 80 ohms. Select suitable base values. Draw reactance diagram. Indicate p.u. reactances ón the diagram.

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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