EVALUATION AND REVIEW QUESTIONS: 1. Compute the load current for the bridge shown in Figure 13-8. Show your work. V₁" 12 V 330 R₂ 330 2 1000 Figure 13-8 330 220 2

Question 4

KANA G1 500 MVA 13.8 KV x₂ = 0.2 Xo -0.1 Bara 1 SC AY 500 MVA 13.8 KV/ 500 KV x=0.12 -0 150 Bara 2 00 www 150 St G2 150 St Bara 4 Bara 3 750 MVA 500 kV/ 18 KV x=0.1 750 MVA 18 KV x"=0.18 X2 -0.18 Xo =0.09 DL 1000 MVA 500 kV/20 kV X=0.1 G3 1000 MVA 20 kV x"=0.17 X₂ -0.2 Xo =0.09 For the power system with a single line diagram; a) By choosing the base values of 1000 MVA and 20 kV in the Generator G3 region, the system is zero, Draw the reactance diagrams of the positive and negative sequence circuits. (for each line x0 = x1 = x2 = 50 ohm) b) Find the Thevenin equivalents according to the fault condition in busbar 1.

Use the analysis method ofnodes to determine voltageat nodes a and b of the followingcircuit