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;
8 P9 l2 @; S8 r- `E3=ES1*L2+ES2*L3+ES3*L1;
5 A5 D' V$ P  n' C! GE1r=real(E1);E1f=imag(E1);
% F* [- C  `1 b) y  lE2r=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;
3 D+ n) O4 x- q* m- O) @5 k- pXQ=X2*L1+X1*L2+X1*L3;
0 J! z/ i$ S/ ?) NXR=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;
6 m3 a7 s- p! D% M( ?7 B1 fZZ(3,1)=RB;ZZ(3,2)=RB;ZZ(3,3)=RA;ZZ(3,4)=-XQ;ZZ(3,5)=-XR;ZZ(3,6)=-X;
. }& z' [: r$ nZZ(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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# q7 ~& ], B- k6 U' c/ kE=[E1r;E2r;E3r;E1f;E2f;E3f;];
II=inv(ZZ)*E;
' r+ n/ D0 u) A; n% PIS1=II(1,1)+j*II(4,1);
8 |! c, G1 ^# h! tIS2=II(2,1)+j*II(5,1);
IS3=II(3,1)+j*II(6,1);
* q2 R6 j8 ], l4 V6 f: F' H( VIS4=IS1+IS2+IS3;
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! V3 Y3 a# g* a0 V) b0 N/ Qabs(IS1)
abs(IS2)
abs(IS3)
; [% b: o' Q3 zabs(IS4)
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