(a) A 110 MVA, 55 kV three phase generator has a subtransient reactance of 8%. The generator supplies one motor over a transmission line having transformers at both ends as shown in Fig. The motor have rated input of 100 MVA 20 kV with 7% subtransient reactance. The rating of the sending end transformer, T, is 80 MVA, 200 kV / 35 kV (A- Y) with leakage reactanc 15%. Transformer T2 at the receiving end has 75 MVA, 200 kV /20 kV (Y-A). The leakage reactance of T2 is 10%. The line lengt 13 km and the series reactance of the line is 14 ohms/km. Draw the reactance diagram with all reactance marked in p.u. Choc 130 MVA and 40 kV as the base values. T2 Motor Generator T1 YE 3A Fwww

(a) A 110 MVA, 55 kV three phase generator has a subtransient reactance of 8%. The generator supplies one motor over a transmission line having transformers at both ends as shown in Fig. The motor have rated input of 100 MVA 20 kV with 7% subtransient reactance. The rating of the sending end transformer, T, is 80 MVA, 200 kV / 35 kV (A- Y) with leakage reactanc 15%. Transformer T2 at the receiving end has 75 MVA, 200 kV /20 kV (Y-A). The leakage reactance of T2 is 10%. The line lengt 13 km and the series reactance of the line is 14 ohms/km. Draw the reactance diagram with all reactance marked in p.u. Choc 130 MVA and 40 kV as the base values. T2 Motor Generator T1 YE 3A Fwww

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 3.44P: A 130-MVA,13.2-kV three-phase generator, which has a positive-sequence reactance of 1.5 per unit on...

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