Consider the one-line diagram of a three-phase power system in Fig. 2. The three-phase load at...
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Consider the one-line diagram of a three-phase power system in Fig. 2. The three-phase load at bus 4 absorbs 50MVA, 0.7 pf lagging at 10.45 kV. The 220 kV and 110 kV lines have reactances of 45 and 602, respectively. The manufacturer data for the components is: G ={80 MVA, 22 kV, X=17%), M ={66 MVA, 10.45 kV, X=18.5%}, T₁ ={50 MVA, 22/220 kV, X=10%} , T₂ ={40 MVA, 220/11 kV, X=6%}, T3 = {40 MVA, 22/110 kV, X=6.4%}, T4 = {40 MVA, 110/11 kV, X=8%}. 1 T₁ 2 T3 5 38 220 kV T2 3 BE TA 6 BE 4 M Load 110 kV Figure 2: One-line diagram for a simple power system. Select a base of 100 MVA and 22 kV on the generator side. Draw a per-unit impedance diagram showing all impedances, loads and sources. } Consider the one-line diagram of a three-phase power system in Fig. 2. The three-phase load at bus 4 absorbs 50MVA, 0.7 pf lagging at 10.45 kV. The 220 kV and 110 kV lines have reactances of 45 and 602, respectively. The manufacturer data for the components is: G ={80 MVA, 22 kV, X=17%), M ={66 MVA, 10.45 kV, X=18.5%}, T₁ ={50 MVA, 22/220 kV, X=10%} , T₂ ={40 MVA, 220/11 kV, X=6%}, T3 = {40 MVA, 22/110 kV, X=6.4%}, T4 = {40 MVA, 110/11 kV, X=8%}. 1 T₁ 2 T3 5 38 220 kV T2 3 BE TA 6 BE 4 M Load 110 kV Figure 2: One-line diagram for a simple power system. Select a base of 100 MVA and 22 kV on the generator side. Draw a per-unit impedance diagram showing all impedances, loads and sources. }
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1 Calculate perunit impedances Base MVA 100 MVA Base Voltage Generator side 22 kV Perunit base imped... View the full answer
Related Book For
Applied Regression Analysis and Other Multivariable Methods
ISBN: 978-1285051086
5th edition
Authors: David G. Kleinbaum, Lawrence L. Kupper, Azhar Nizam, Eli S. Rosenberg
Posted Date:
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