电缆金属护套环流

电力三兄弟

ES2=2*w*I*10^(-7)*(sqrt(3)/2*log(m*S/GMRs)-j*1/2*log(S/m/GMRs));
" M1 i3 ~2 c  MES3=2*w*I*10^(-7)*(-sqrt(3)/2*log(m*S/GMRs)-j*1/2*log(n*n*S/m/GMRs));
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E1=ES1*L1+ES2*L2+ES3*L3;
E2=ES1*L3+ES2*L1+ES3*L2;
0 ^4 d; C& `9 Z% l! `& FE3=ES1*L2+ES2*L3+ES3*L1;
E1r=real(E1);E1f=imag(E1);
' A" K. T3 I4 F, @  ]# ZE2r=real(E2);E2f=imag(E2);
E3r=real(E3);E3f=imag(E3);%线芯电流引起的感应电势

! {" T1 r' t5 nXP=X1*L1+X1*L2+X2*L3;
XQ=X2*L1+X1*L2+X1*L3;
XR=X1*L1+X2*L2+X1*L3;
9 f; b& H7 W; t: I' u; c' r7 F$ W  H% jZZ=zeros(6,6);%系数矩阵
1 }+ a& {2 P' |+ PZZ(1,1)=RA;ZZ(1,2)=RB;ZZ(1,3)=RB;ZZ(1,4)=-X;ZZ(1,5)=-XP;ZZ(1,6)=-XQ;
ZZ(2,1)=RB;ZZ(2,2)=RA;ZZ(2,3)=RB;ZZ(2,4)=-X1;ZZ(2,5)=-X;ZZ(2,6)=-XR;
4 T( Z4 C9 ^. r5 _4 k- K+ GZZ(3,1)=RB;ZZ(3,2)=RB;ZZ(3,3)=RA;ZZ(3,4)=-XQ;ZZ(3,5)=-XR;ZZ(3,6)=-X;
ZZ(4,1)=X;ZZ(4,2)=XP;ZZ(4,3)=XQ;ZZ(4,4)=RA;ZZ(4,5)=RB;ZZ(4,6)=RB;
% R/ E+ u7 O% v4 nZZ(5,1)=XP;ZZ(5,2)=X;ZZ(5,3)=XR;ZZ(5,4)=RB;ZZ(5,5)=RA;ZZ(5,6)=RB;
ZZ(6,1)=XQ;ZZ(6,2)=XR;ZZ(6,3)=X;ZZ(6,4)=RB;ZZ(6,5)=RB;ZZ(6,6)=RA;
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$ t4 @' D/ G6 F* H: Q% c5 OE=[E1r;E2r;E3r;E1f;E2f;E3f;];
4 H3 F0 _1 Z8 K+ k' z' D: ?II=inv(ZZ)*E;
IS1=II(1,1)+j*II(4,1);
1 v. ?+ G* H4 }) v5 U# W  @  kIS2=II(2,1)+j*II(5,1);
- z* A0 |) p3 L4 k* I  ^' O6 g2 h& z6 kIS3=II(3,1)+j*II(6,1);
IS4=IS1+IS2+IS3;

abs(IS1)
abs(IS2)
3 t; L1 T) ?. c. N3 t  Zabs(IS3)
abs(IS4)
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