3 Referring to a 3-phase power system as shown, a short circuit fault occurs at point F. The equipment rating is shown below. Use 200 MVA as base MVA , determine: Generator (G): 60MVA, 11KV, 0.1pu Transformer (T): 50MVA, 11kV/132KV, 0.1pu Transmission Line (L): 132kV, j20SN G (a) the per-unit impedance of the Generator (G); (b) the per-unit impedance of the Transformer (T); (c) the per-unit impedance of the Line (L); (d) the per-unit equivalent impedance of the system; (e) the voltage at the 11 kV busbar in per-unit; and (f) the voltage at the 11 kV busbar in the unit Voltage (V).

3 Referring to a 3-phase power system as shown, a short circuit fault occurs at point F. The equipment rating is shown below. Use 200 MVA as base MVA , determine: Generator (G): 60MVA, 11KV, 0.1pu Transformer (T): 50MVA, 11kV/132KV, 0.1pu Transmission Line (L): 132kV, j20SN G (a) the per-unit impedance of the Generator (G); (b) the per-unit impedance of the Transformer (T); (c) the per-unit impedance of the Line (L); (d) the per-unit equivalent impedance of the system; (e) the voltage at the 11 kV busbar in per-unit; and (f) the voltage at the 11 kV busbar in the unit Voltage (V).

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 3.23P: Figure 3.32 shows the oneline diagram of a three-phase power system. By selecting a common base of...

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