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));
# k# A5 I; n; w# pES3=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;
6 |, [/ Q: Q9 p! ^2 q) o0 ~E2=ES1*L3+ES2*L1+ES3*L2;
E3=ES1*L2+ES2*L3+ES3*L1;
, F% T+ o( H0 D! l7 A  nE1r=real(E1);E1f=imag(E1);
+ b# W8 [. p. o3 R! L& }E2r=real(E2);E2f=imag(E2);
! {  ]. J, z) GE3r=real(E3);E3f=imag(E3);%线芯电流引起的感应电势
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, }1 }! i7 {- w2 g+ OXP=X1*L1+X1*L2+X2*L3;
XQ=X2*L1+X1*L2+X1*L3;
7 M+ V+ M( p" E2 e( w# v- S' gXR=X1*L1+X2*L2+X1*L3;
5 ~7 E/ k" ~- ]7 M# QZZ=zeros(6,6);%系数矩阵
ZZ(1,1)=RA;ZZ(1,2)=RB;ZZ(1,3)=RB;ZZ(1,4)=-X;ZZ(1,5)=-XP;ZZ(1,6)=-XQ;
% Q3 T" }) V2 N* yZZ(2,1)=RB;ZZ(2,2)=RA;ZZ(2,3)=RB;ZZ(2,4)=-X1;ZZ(2,5)=-X;ZZ(2,6)=-XR;
ZZ(3,1)=RB;ZZ(3,2)=RB;ZZ(3,3)=RA;ZZ(3,4)=-XQ;ZZ(3,5)=-XR;ZZ(3,6)=-X;
2 Q4 L9 m  a8 aZZ(4,1)=X;ZZ(4,2)=XP;ZZ(4,3)=XQ;ZZ(4,4)=RA;ZZ(4,5)=RB;ZZ(4,6)=RB;
( e) B" K  f4 M% s( z) aZZ(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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0 o' ?$ J; x0 W: I5 P! S7 PE=[E1r;E2r;E3r;E1f;E2f;E3f;];
II=inv(ZZ)*E;
IS1=II(1,1)+j*II(4,1);
0 e  z. D9 E4 ~) h; N) m$ zIS2=II(2,1)+j*II(5,1);
1 B% k$ H# {1 f6 b9 ?& x& @IS3=II(3,1)+j*II(6,1);
, X+ r- w! f, V1 ?5 z+ n" l# _IS4=IS1+IS2+IS3;
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( C  E: q$ m; A7 labs(IS1)
" T9 L& k; L% Iabs(IS2)
abs(IS3)
( Y; l3 A4 t' zabs(IS4)