Q2. Consider the single-line diagram of the power system shown in Figure Q2. Equipment ratings are: Generator 1: Generator 2: 1000 MVA, 18 kV, X"= 0.2 pu 1000 MVA, 18 kV, X"=0.2 pu 1500 MVA, 20 kV, X"= 0.2 pu Synchronous motor 3: Three-phase A-Y transformers T1, T2, T3, T4: 1000 MVA, 500 kV Y/20 kV A, X= 0.1pu Three-phase Y-Y transformer T5: 1500 MVA, 500 kV Y/20 kV Y,X=0.1pu Neglecting resistance, transformer phase shift, and magnetizing reactance, draw the equivalent reactance diagram. Use a base of 100 MVA and 500 kV for the 50-ohm line. Determine the per-unit reactance. 1 농어 A Fig Q2 380- T₁ T3 38 A 1 25 2 3 150 Ω Is j20 A 2 1080 T₂ T₂ 보호 киш
Q2. Consider the single-line diagram of the power system shown in Figure Q2. Equipment ratings are: Generator 1: Generator 2: 1000 MVA, 18 kV, X"= 0.2 pu 1000 MVA, 18 kV, X"=0.2 pu 1500 MVA, 20 kV, X"= 0.2 pu Synchronous motor 3: Three-phase A-Y transformers T1, T2, T3, T4: 1000 MVA, 500 kV Y/20 kV A, X= 0.1pu Three-phase Y-Y transformer T5: 1500 MVA, 500 kV Y/20 kV Y,X=0.1pu Neglecting resistance, transformer phase shift, and magnetizing reactance, draw the equivalent reactance diagram. Use a base of 100 MVA and 500 kV for the 50-ohm line. Determine the per-unit reactance. 1 농어 A Fig Q2 380- T₁ T3 38 A 1 25 2 3 150 Ω Is j20 A 2 1080 T₂ T₂ 보호 киш
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 3.25P: Consider a single-phase electric system shown in Figure 3.33. Transformers are rated as follows:...
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