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));
  n! l; @* P$ t- b2 yES3=2*w*I*10^(-7)*(-sqrt(3)/2*log(m*S/GMRs)-j*1/2*log(n*n*S/m/GMRs));
* f8 D. s7 L! B" u* \
& ^, U7 u% _; o! o8 N. X; xE1=ES1*L1+ES2*L2+ES3*L3;
: G4 b1 X2 H; {9 R. f3 m" nE2=ES1*L3+ES2*L1+ES3*L2;
E3=ES1*L2+ES2*L3+ES3*L1;
$ ?) ~, X% V; i. \E1r=real(E1);E1f=imag(E1);
E2r=real(E2);E2f=imag(E2);
! e/ L& z8 A8 kE3r=real(E3);E3f=imag(E3);%线芯电流引起的感应电势

6 E5 Q+ W& j; e$ y& J" AXP=X1*L1+X1*L2+X2*L3;
XQ=X2*L1+X1*L2+X1*L3;
XR=X1*L1+X2*L2+X1*L3;
9 s) b6 O+ y' k2 j1 o% @7 o8 Z2 BZZ=zeros(6,6);%系数矩阵
9 p; Q2 a* K" T; W6 h1 qZZ(1,1)=RA;ZZ(1,2)=RB;ZZ(1,3)=RB;ZZ(1,4)=-X;ZZ(1,5)=-XP;ZZ(1,6)=-XQ;
+ {1 u* \4 O' b3 o) r0 E7 yZZ(2,1)=RB;ZZ(2,2)=RA;ZZ(2,3)=RB;ZZ(2,4)=-X1;ZZ(2,5)=-X;ZZ(2,6)=-XR;
  y# f2 n; ?4 F- _# c+ l, sZZ(3,1)=RB;ZZ(3,2)=RB;ZZ(3,3)=RA;ZZ(3,4)=-XQ;ZZ(3,5)=-XR;ZZ(3,6)=-X;
; ^3 @6 k# b; ^- M1 b) E+ oZZ(4,1)=X;ZZ(4,2)=XP;ZZ(4,3)=XQ;ZZ(4,4)=RA;ZZ(4,5)=RB;ZZ(4,6)=RB;
! B% O) a8 a- h, r- R" N2 ]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;

E=[E1r;E2r;E3r;E1f;E2f;E3f;];
) s* g' ~! i7 l7 NII=inv(ZZ)*E;
IS1=II(1,1)+j*II(4,1);
IS2=II(2,1)+j*II(5,1);
% }. ?& H/ M6 U8 x9 _IS3=II(3,1)+j*II(6,1);
IS4=IS1+IS2+IS3;

9 F1 v0 A/ L' F7 I1 dabs(IS1)
6 v, N  ^: _: E) T, ]7 E9 vabs(IS2)
/ ]8 C. w* p; }# k6 I! pabs(IS3)
) \3 E; |+ a3 o: gabs(IS4)