1. Draw the reactance diagram for the power system shown below. 2 Line 1 220kV 66.5MVA T2 T1 Motor 10.45kV Gen Xp.u.=0.185 Line 2 90 MVA 3ph Load 10.45kV 110kV 22kV Absorbs 57MVA Xp.u.=0.18 T3 T4 @ 0.6pf (lag) 22/220kV Xp.u.= 0.10 220/11kV Xp.u.= 0.06 22/110kV Xp.u.= 0.064 110/11kV T1: 50MVA T2: 40MVA T3: 40MVA T4: 40MVA Xp.u.=0.08 Line 1: 48.4Ohms (total) Line 2: 65.430hms (total)

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
Chapter6: Power Flows
Section: Chapter Questions
Problem 6.61P
Question
100%
1.
Draw the reactance diagram for the power system shown below.
1
Line 1
220kV
66.5MVA
T2
T1
Motor
10.45kV
Gen
Xp.u.=0.185
5
Line 2
90 MVA
3ph Load 10.45kV
110kV
22kV
Absorbs 57MVA
Xp.u.=0.18
T3
T4
@ 0.6pf (lag)
22/220kV Xp.u.= 0.10
220/11kV Xp.u.= 0.06
22/110kV Xp.u.= 0.064
110/11kV
T1:
50MVA
T2:
40MVA
T3:
40MVA
T4:
40MVA
Xp.u.=0.08
Line 1: 48.40hms (total)
Line 2: 65.430hms (total)
Transcribed Image Text:1. Draw the reactance diagram for the power system shown below. 1 Line 1 220kV 66.5MVA T2 T1 Motor 10.45kV Gen Xp.u.=0.185 5 Line 2 90 MVA 3ph Load 10.45kV 110kV 22kV Absorbs 57MVA Xp.u.=0.18 T3 T4 @ 0.6pf (lag) 22/220kV Xp.u.= 0.10 220/11kV Xp.u.= 0.06 22/110kV Xp.u.= 0.064 110/11kV T1: 50MVA T2: 40MVA T3: 40MVA T4: 40MVA Xp.u.=0.08 Line 1: 48.40hms (total) Line 2: 65.430hms (total)
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