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2. Carefully look at the following circuit where Xline = X 2 and Zload = 0.X +j 0.Y Q. X and Y are the last two digits of your Student IDs. [if any of them are zero, use any nonzero number you wish] = Y=3 Zone 1 V, 220/0° volts उह T₁ 30 KVA 240/480 volts Xeq = 0.10 p.u. Zone 2 Xune 18 T₂ 20 kVA 460/115 volts Xeg = 0.10 p.u. Zload 2 Zone 3 a) Select suitable base values and draw the shown power system in per unit system, after necessary calculation. b) Calculate the load current in pu and in Ampere, both.

2. Carefully look at the following circuit where Xline = X 2 and Zload = 0.X +j 0.Y Q. X and Y are the last two digits of your Student IDs. [if any of them are zero, use any nonzero number you wish] = Y=3 Zone 1 V, 220/0° volts उह T₁ 30 KVA 240/480 volts Xeq = 0.10 p.u. Zone 2 Xune 18 T₂ 20 kVA 460/115 volts Xeg = 0.10 p.u. Zload 2 Zone 3 a) Select suitable base values and draw the shown power system in per unit system, after necessary calculation. b) Calculate the load current in pu and in Ampere, both.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Subject EE466 power system protection Please answer the question A part 1 and 2 X= 4 and Y =3
2. Carefully look at the following circuit where Xline = X 2 and Zload = 0.X + j 0.Y Q. X and Y are the last two digits of your Student IDs. [if any of them are zero, use any nonzero number you wish]=₂₁ Y=3 Zone 1 V₁ = 220/0° volts i T₁ 30 kVA 240/480 volts Xeq = 0.10 p.u. Zone 2 G Xune 100MVA,0.9 PF lagging V₁=1.2V X₁" = 0.15pu 38 T₂ 20 KVA 460/115 volts Xa= 0.10 p.u. a) Select suitable base values and draw the shown power system in per unit system, after necessary calculation. b) Calculate the load current in pu and in Ampere, both. 3. For the network shown below, a balanced fault occurred at motor (M) terminal. Calculate the fault current in two different approaches. Δ-Υ X=0.1pu Zload 100MVA 130kV j0.220 Zone 3 Y-A X=0.15pu M 100MVA X₁" = 0.2pu
Transcribed Image Text:2. Carefully look at the following circuit where Xline = X 2 and Zload = 0.X + j 0.Y Q. X and Y are the last two digits of your Student IDs. [if any of them are zero, use any nonzero number you wish]=₂₁ Y=3 Zone 1 V₁ = 220/0° volts i T₁ 30 kVA 240/480 volts Xeq = 0.10 p.u. Zone 2 G Xune 100MVA,0.9 PF lagging V₁=1.2V X₁" = 0.15pu 38 T₂ 20 KVA 460/115 volts Xa= 0.10 p.u. a) Select suitable base values and draw the shown power system in per unit system, after necessary calculation. b) Calculate the load current in pu and in Ampere, both. 3. For the network shown below, a balanced fault occurred at motor (M) terminal. Calculate the fault current in two different approaches. Δ-Υ X=0.1pu Zload 100MVA 130kV j0.220 Zone 3 Y-A X=0.15pu M 100MVA X₁" = 0.2pu
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