chp3ex7.m

solve power flows by gauss seidel method ans newton Rapson

VLL = 10.45;
VB1 = 22; VB2 = 22*220/22; VB4 = 220*11/220; VB5 = 22*110/22;
Xg = 0.18*100/90
Xt1 = 0.1*100/50
Xt2 = 0.06*100/40
Xt3 = 0.064*100/40
Xt4 = 0.08*100/40
Xm = 0.185*(100/66.5)*(10.45/11)^2
ZB2 = (220)^2/100
ZB5 = (110)^2/100
Xline1 = 48.4/484
Xline2 = 65.43/121
SL = 57*(0.6 + j*sin(acos(0.6)))
ZL = VLL^2/conj(SL)
ZB4 = (11)^2/100
ZLpu = ZL/ZB4