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;
E3=ES1*L2+ES2*L3+ES3*L1;
E1r=real(E1);E1f=imag(E1);
E2r=real(E2);E2f=imag(E2);
; T, B' }/ |7 X8 n- k( K. wE3r=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;
XQ=X2*L1+X1*L2+X1*L3;
XR=X1*L1+X2*L2+X1*L3;
ZZ=zeros(6,6);%系数矩阵
& I/ Z9 N0 {. m  J) KZZ(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;
8 f2 M* s, P1 A* {* J. S9 fZZ(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;
9 D5 H' j# r& z5 [) n7 u1 `$ GZZ(5,1)=XP;ZZ(5,2)=X;ZZ(5,3)=XR;ZZ(5,4)=RB;ZZ(5,5)=RA;ZZ(5,6)=RB;
7 N$ L! B1 i$ V) O9 KZZ(6,1)=XQ;ZZ(6,2)=XR;ZZ(6,3)=X;ZZ(6,4)=RB;ZZ(6,5)=RB;ZZ(6,6)=RA;

% M' v# z/ o  f0 G- {. xE=[E1r;E2r;E3r;E1f;E2f;E3f;];
+ ~( G" o1 b: @+ vII=inv(ZZ)*E;
IS1=II(1,1)+j*II(4,1);
/ \; ?- X: v$ G- E4 ~4 HIS2=II(2,1)+j*II(5,1);
IS3=II(3,1)+j*II(6,1);
4 i) z  h7 _* kIS4=IS1+IS2+IS3;

abs(IS1)
4 l4 j& V* p. i0 ]7 Qabs(IS2)
abs(IS3)
abs(IS4)

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