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));
% A! R: Q% M- I. a/ T9 A- yES3=2*w*I*10^(-7)*(-sqrt(3)/2*log(m*S/GMRs)-j*1/2*log(n*n*S/m/GMRs));

# ?+ Z. _( d4 o6 y. j# ?) gE1=ES1*L1+ES2*L2+ES3*L3;
E2=ES1*L3+ES2*L1+ES3*L2;
E3=ES1*L2+ES2*L3+ES3*L1;
E1r=real(E1);E1f=imag(E1);
E2r=real(E2);E2f=imag(E2);
2 V: n* R  z& _- W  z* fE3r=real(E3);E3f=imag(E3);%线芯电流引起的感应电势
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1 [/ W7 B/ k* }& k9 L) iXP=X1*L1+X1*L2+X2*L3;
XQ=X2*L1+X1*L2+X1*L3;
XR=X1*L1+X2*L2+X1*L3;
ZZ=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;
9 |  t, n4 o2 P( P) x4 }ZZ(2,1)=RB;ZZ(2,2)=RA;ZZ(2,3)=RB;ZZ(2,4)=-X1;ZZ(2,5)=-X;ZZ(2,6)=-XR;
" W- m$ h( |1 x1 f8 m$ JZZ(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;
ZZ(5,1)=XP;ZZ(5,2)=X;ZZ(5,3)=XR;ZZ(5,4)=RB;ZZ(5,5)=RA;ZZ(5,6)=RB;
/ F# L2 h: t- G2 |7 e8 hZZ(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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E=[E1r;E2r;E3r;E1f;E2f;E3f;];
  Q- U& O& [' I# _II=inv(ZZ)*E;
$ X( s, ?8 _) T9 O. p2 h: Y" pIS1=II(1,1)+j*II(4,1);
IS2=II(2,1)+j*II(5,1);
0 D7 t2 w7 N8 x' i6 G" f7 \) EIS3=II(3,1)+j*II(6,1);
0 P8 j9 E- {: @) ^8 E/ w  eIS4=IS1+IS2+IS3;

7 L$ B1 ^% n! cabs(IS1)
" A/ s( C7 l1 w# Eabs(IS2)
abs(IS3)
abs(IS4)

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