Question

Find the following: a. Draw the impedance diagram for this system in per unit (15 points) b. Find the three-phase-to-ground fault at bus 2 (15 points) System Base Sbase = 100MVA kVbase = 230kV on high side (bus 1) G1, G2, and G3 50MVA 13.8kV X1 = 0.06 p.u. T1, T2, and T3 100MVA 13.8/230kV X1 = 0.1 p.u. Transmission Line 100MVA 230kVA X1 = 0.2

          Find the following:
a. Draw the impedance diagram for this system in per unit (15 points)
b. Find the three-phase-to-ground fault at bus 2 (15 points)
System Base
Sbase = 100MVA
kVbase = 230kV on high side (bus 1)
G1, G2, and G3
50MVA
13.8kV
X1 = 0.06 p.u.
T1, T2, and T3
100MVA
13.8/230kV
X1 = 0.1 p.u.
Transmission Line
100MVA
230kVA
X1 = 0.2

Find the following:
a. Draw the impedance diagram for this system in per unit (15 points)
b. Find the three-phase-to-ground fault at bus 2 (15 points)
System Base
Sbase = 100MVA
kVbase = 230kV on high side (bus 1)
G1, G2, and G3
50MVA
13.8kV
X1 = 0.06 p.u.
T1, T2, and T3
100MVA
13.8/230kV
X1 = 0.1 p.u.
Transmission Line
100MVA
230kVA
X1 = 0.2

Added by Joshua J.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Sri K

09/21/2023

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Find the following: a. Draw the impedance diagram for this system in per unit. (15 points) b. Find the three-phase-to-ground fault at bus 2. (15 points) System Base: Sbase = 100 MVA, kVbase = 230 kV on high side (bus 1) BUS 2 G1, G2, and G3: 50 MVA, 13.8 kV, X1 = 0.06 p.u. T1, T2, and T3: 100 MVA, 13.8/230 kV, X1 = 0.1 p.u. Transmission Line: 100 MVA, 230 kV, X1 = 0.2