Question 2 , Given the single line diagram of a three phase balanced system. 1) Find the per-unit equivalent diagram, using Sbase=25MVA and Vbase_Gen= 13.2KV. 2) Find the voltage at the generator end in KV if the voltage at the load terminal is 12kV full load and pf of 0.9. GENERATOR TRANSFORMER TRANSFORMER MOTOR 15,000 kVA 13.0 kV T1 T2 X" = 15 percent LINE X = 65 Q MOTOR 13.8kV 10,000 kVA 25.000 kVA 25.000 kVA

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Question 2
Given the single line diagram of a three phase balanced system.
1) Find the per-unit equivalent diagram, using Sbase=25MVA and VbaseGen=
13.2KV.
2) Find the voltage at the generator end in KV if the voltage at the load terminal
is 12kV full load and pf of 0.9.
GENERATOR
TRANSFORMER
TRANSFORMER
MOTOR
15,000 kVA
13.0 kV
T2
= x" = 15 percent
LINE
X = 65 0
мотOR
13.8kV
10,000 kVA
25,000 kVA
25,000 kVA
25,000 kVA 3-phase
13.0 kV
13.2/69 kV
13.2/69 kV
X" = 15 percent
X" = 15 percent
XL = 15 percent
X_ = 15 percent
Transcribed Image Text:Question 2 Given the single line diagram of a three phase balanced system. 1) Find the per-unit equivalent diagram, using Sbase=25MVA and VbaseGen= 13.2KV. 2) Find the voltage at the generator end in KV if the voltage at the load terminal is 12kV full load and pf of 0.9. GENERATOR TRANSFORMER TRANSFORMER MOTOR 15,000 kVA 13.0 kV T2 = x" = 15 percent LINE X = 65 0 мотOR 13.8kV 10,000 kVA 25,000 kVA 25,000 kVA 25,000 kVA 3-phase 13.0 kV 13.2/69 kV 13.2/69 kV X" = 15 percent X" = 15 percent XL = 15 percent X_ = 15 percent
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