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2、VA(1(1 =0.525 1Esul.O j0.2 O-jO.15 1.0 1.0 -d-0.2+0.15 0.525+0.5=3.83(4 3.83x=3.83x J()()=1.92kA(3 /iM=/2KM/=V2X 1.8X 1.92=4.89kA(3 fSf2150MVA,XL?SB=50MVA,UB=10.5RV 220kV PGN=40MW cos=1.0 j0.165 jO.l jXr/2 El0 SB=50MVA,UB=U“,E=1.0,=1.0,0(1 x=x.=0.265 X =0.265(1 50/.=3(1Z|=/r./B=3x-=3x-kA(1 Q3U QA/3
3、X 230 1 s,=2150MVA 1 =0.05(1XZ=Xp 005x52.90(1 SR 50 2U=,U2=,UU4=o22Z21 Zr Zy Z24=0.3 0.5 0.4 0.6(6 0 1.0 1.0 1.0 1.0=-X-=Xl kA(1 73x230 50 V3x230 50 73x230 kA(1 V3x230 x(3x 50+AX_)=215O X V3x230(1=3x 2=2(35(0)-Z?Z?2 Z23 Z24 Jf=1.0 1.0 1.0 1.0-0.3 0.5 0.4 0.6 X 2=0.4 0 0.6 0.2 K(SB=100MVA,UB=I”IG115k
4、V (1)S100MVA,Ut/Q,X;0.2x=1 C 1AA x,=xA=o.ixl22=o.i B 5 SN 100 (6-w Ss=100MVA XFO.1 50km X()=0.4 Q/km STN220MVA UK%UGN=10.5kV SGN=20MVA Xd=0.2 5%.SB 100 SN2 10.5 100 -x-100 20=0.525 5 5 U.(2)X XSB+=0.1+0.151=0.251 XG乂卵+XGB=1+0.525=1.525 XSj.=X“,,乂=0.25lx=0.251 s$w 100 XGj=1.525x =0.305(4 SR 100(3)r=-+1=-+-4=4.64 s0251 1.525 S 4.64 x =2.33 A)J3U (5亡备1 100 -x-1.525 1.732x10.5=3.61 A)(6 jXgR jX LB jXB jXdB