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));

E1=ES1*L1+ES2*L2+ES3*L3;
+ E% [* W* M) zE2=ES1*L3+ES2*L1+ES3*L2;
  M, L6 |. }7 n. h5 mE3=ES1*L2+ES2*L3+ES3*L1;
; ^. p6 B3 [+ U2 h3 bE1r=real(E1);E1f=imag(E1);
E2r=real(E2);E2f=imag(E2);
$ ^- [8 Z# x/ g1 Q8 SE3r=real(E3);E3f=imag(E3);%线芯电流引起的感应电势
/ G+ ~0 [3 f8 ~( Y
* |9 |! _6 w5 ~: Q: s. V: u4 ?XP=X1*L1+X1*L2+X2*L3;
: B3 Q6 d( C% i( MXQ=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;
ZZ(2,1)=RB;ZZ(2,2)=RA;ZZ(2,3)=RB;ZZ(2,4)=-X1;ZZ(2,5)=-X;ZZ(2,6)=-XR;
) p1 k0 ^2 y$ k+ J/ s. uZZ(3,1)=RB;ZZ(3,2)=RB;ZZ(3,3)=RA;ZZ(3,4)=-XQ;ZZ(3,5)=-XR;ZZ(3,6)=-X;
# _3 s+ M. x8 G* R, L* V4 _* ]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;
+ k. V+ B  }% G/ N7 W* N  ^ZZ(6,1)=XQ;ZZ(6,2)=XR;ZZ(6,3)=X;ZZ(6,4)=RB;ZZ(6,5)=RB;ZZ(6,6)=RA;
/ ?2 \* ~( I% }7 o1 m
E=[E1r;E2r;E3r;E1f;E2f;E3f;];
- r' H; ]- Z2 f, |II=inv(ZZ)*E;
+ z& R% f& \( j. qIS1=II(1,1)+j*II(4,1);
: e; B# l: q# Z4 K$ NIS2=II(2,1)+j*II(5,1);
2 [" \  F: K( @IS3=II(3,1)+j*II(6,1);
IS4=IS1+IS2+IS3;

abs(IS1)
abs(IS2)
abs(IS3)
abs(IS4)
2 G- R1 ]( u+ e8 M$ c