HW # 5, Chapter 7, {Gauss Seidel Method } For the small power system shown below, the following are given : use Sbase = 75 MVA - bus no.1 is the swing bus with V₁≤8₁ = 1.2⁄3º p.u., and V3 = 1.06 p.u. 1 use the following initial guesses for bus no. 2, 3 and 4: V2482 = 1.02⁄4º p. u. and V4≤84 = 1.04⁄2º p.u., §3 = 1º - Solve using Gauss-Seidel Method, make sure to do the following: 1) Construct the [Y bus] in Polar-Degree form. 2) Perform two iterations, and keep five decimal places. Swing Z=0.002+j0.03 p.u. Total charging Mvar 13.2 S₁=200+j 55 (MVA) Z=0.004+j0.05 p.u. Total charging Myar 7.8 Z=0.006+j0.03 p.u. Total charging Mvar 9.4 4 S₁=120+j 70 (MVA) P=220 (MW) Z=0.004+j0.06 p.u. Total charging Mvar 8.6 '③ 3 SL= 175 + j 90 (MVA) 1