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));
ES3=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;
3 Q& @" Y/ E# A. p' r5 M% NE3=ES1*L2+ES2*L3+ES3*L1;
% L$ U* M5 F, \: c# R- OE1r=real(E1);E1f=imag(E1);
E2r=real(E2);E2f=imag(E2);
E3r=real(E3);E3f=imag(E3);%线芯电流引起的感应电势
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XP=X1*L1+X1*L2+X2*L3;
9 K( V: T: C' w0 ~: l6 `XQ=X2*L1+X1*L2+X1*L3;
+ J0 o, ^+ s3 H; X, EXR=X1*L1+X2*L2+X1*L3;
' q' z5 n, Y: l  b4 g/ }# ZZZ=zeros(6,6);%系数矩阵
- J; l+ a( P& G- G* i8 W' _ZZ(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;
5 k! I! ~9 K: b) KZZ(3,1)=RB;ZZ(3,2)=RB;ZZ(3,3)=RA;ZZ(3,4)=-XQ;ZZ(3,5)=-XR;ZZ(3,6)=-X;
! n& @$ S- D! Q# X8 m6 f( }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;
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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E=[E1r;E2r;E3r;E1f;E2f;E3f;];
; G7 j6 g: K3 B7 i" }0 m; zII=inv(ZZ)*E;
IS1=II(1,1)+j*II(4,1);
* c! W# O, R. Z- l- iIS2=II(2,1)+j*II(5,1);
9 o8 O9 y8 M3 _/ l  b: vIS3=II(3,1)+j*II(6,1);
( s9 f, H5 B1 l4 E, v1 c; KIS4=IS1+IS2+IS3;
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  X2 S. z6 _0 t; a! P0 j& Kabs(IS1)
abs(IS2)
abs(IS3)
abs(IS4)
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