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clear: m: v. a/ E0 f. e0 t( |+ K E
r(14,10)=0.01938;x(14,10)=0.05917;r(10,11)=0.04699;x(10,11)=0.19797;r(10,1)=0.05811;x(10,1)=0.17632;r(14,2)=0.05403;x(14,2)=0.22304;r(10,2)=0.05695;x(10,2)=0.17388;0 u6 H# [9 C8 Q5 a
r(10,14)=0.01938;x(10,14)=0.05917;r(11,10)=0.04699;x(11,10)=0.19797;r(1,10)=0.05811;x(1,10)=0.17632;r(2,14)=0.05403;x(2,14)=0.22304;r(2,10)=0.05695;x(2,10)=0.17388;
4 s( j+ i* `9 ^3 y2 x8 }; F" ?r(11,1)=0.06701;x(11,1)=0.17103;r(1,2)=0.01335;x(1,2)=0.04211;r(2,12)=0.00000;x(2,12)=0.23488;r(1,3)=0.00000;x(1,3)=0.20452;r(3,13)=0.00000;x(3,13)=0.17615;
% |7 o% A% ~* p5 j6 ^0 mr(1,11)=0.06701;x(1,11)=0.17103;r(2,1)=0.01335;x(2,1)=0.04211;r(12,2)=0.00000;x(12,2)=0.23488;r(3,1)=0.00000;x(3,1)=0.20452;r(13,3)=0.00000;x(13,3)=0.17615;
A2 L! ?, U! S; b0 x% a3 s/ Mr(1,4)=0.00000;x(1,4)=0.53894;r(3,4)=0.00000;x(3,4)=0.11001;r(4,5)=0.03181;x(4,5)=0.08450;r(12,6)=0.09498;x(12,6)=0.19890;r(12,7)=0.12291;x(12,7)=0.25581;
1 J% e" q, s5 p! P, S/ ?r(4,1)=0.00000;x(4,1)=0.53894;r(4,3)=0.00000;x(4,3)=0.11001;r(5,4)=0.03181;x(5,4)=0.08450;r(6,12)=0.09498;x(6,12)=0.19890;r(7,12)=0.12291;x(7,12)=0.25581;; _/ d1 ~. ?- X9 u8 }
r(12,8)=0.06615;x(12,8)=0.13027;r(4,9)=0.12711;x(4,9)=0.27038;r(5,6)=0.08205;x(5,6)=0.19207;r(7,8)=0.22092;x(7,8)=0.19988;r(8,9)=0.17093;x(8,9)=0.34802;3 t4 z* K8 |# ?( k
r(8,12)=0.06615;x(8,12)=0.13027;r(9,4)=0.12711;x(9,4)=0.27038;r(6,5)=0.08205;x(6,5)=0.19207;r(8,7)=0.22092;x(8,7)=0.19988;r(9,8)=0.17093;x(9,8)=0.34802;4 F' o2 k/ v- m1 A
5 g! f' y) S7 y' Y1 h0 y5 o/ Ky(14,10)=0.02640;y(10,11)=0.02190;y(10,1)=0.01870;y(14,2)=0.02460;y(10,2)=0.01700;y(11,1)=0.01730;y(1,2)=0.00640;y(2,12)=-0.31063;y(1,3)=-0.10999;y(1,4)=-0.05936;0 X3 r8 m0 F4 s! j- L k
y(10,14)=0.02640;y(11,10)=0.02190;y(1,10)=0.01870;y(2,14)=0.02460;y(2,10)=0.01700;y(1,11)=0.01730;y(2,1)=0.00640;y(12,2)=0.28951;y(3,1)=0.10757;y(4,1)=0.05752;7 a0 @/ D7 ?: M; C/ t0 A! Z6 X
5 _+ Z5 ~' p7 d$ \ K. |- Rfor m=1:14
- e4 N! `. f- b2 [" F. [5 b* @6 N0 [ t(m)=0;5 l; d" u" w1 G ~
for n=1:14
2 i8 K( l* j1 u5 a$ Y. e, G t(m)=t(m)+y(m,n);
- c4 A; N i, Z& f/ r a$ Y end" n; d4 I; o O1 F9 t% P
if m==49 T% x# V& g) v2 V
t(m)=t(m)+0.190;9 k; Z. ^/ u# f* E& ]' D" {. _
end/ t/ ^( ]- w1 g* d# z7 `
end# A% e8 ~1 r. u0 M
for m=1:14 R# E' S% C* \) `
d(m)=0;& U3 |/ D3 L5 K% Q
for n=1:14
$ c; ~+ E B( }& ~ if m==n8 Q6 ? ^! f4 b6 @
( |0 L7 N# O$ I8 N$ U l$ y+ u elseif (r(m,n)==0)&(x(m,n)==0)
* l" r+ h4 z+ {5 c d(m)=d(m)+0;
9 e0 T2 ]8 N' W6 | else
) x" ]9 k2 w) Z% r+ O! ^ w d(m)=d(m)+1/(r(m,n)+j*x(m,n));
' Q" {5 B1 Y/ Z5 S6 u' } end
/ R1 _. V! Z: e6 ?, a end
" ^4 l" g0 J8 U- V( L0 @3 M0 cend
; w6 B6 J$ v. b5 p. `* [6 n# Q+ ufor m=1:14
9 |6 C! }/ h, F& _) R/ A5 m for n=1:14
, @! T0 ?/ w( ~/ d, l: @4 P1 A3 [ if m==n
+ ]! k; H) c8 h: l" f) A Y(m,n)=j*t(m)+d(m);
1 W4 N0 P/ u: A+ l0 k! k' @+ N; q elseif (r(m,n)==0)&(x(m,n)==0) g# H- e7 _% S
Y(m,n)=0;
' O9 U" ?" q4 G5 {+ Y' b! D else" q+ ?6 L G7 p" K) ~
Y(m,n)=-1/(r(m,n)+j*x(m,n));5 q Q# l! D7 [- \( W
end
+ q; }* Q" ] h( }, Y$ S6 S end$ g: r$ s( u' \; ?4 P' g* c
end6 L8 r2 S% }" J" Y! ^$ \) `
Y;
/ O% ]# [, T( j( _$ WG=real(Y);B=imag(Y);, ^( S( K, a. t& `
%给定节点电压初值和循环次数k=0
& m' G# }4 I; D6 E }delt(10)=0;delt(11)=0;u(1)=1.0;delt(1)=0;u(2)=1.0;delt(2)=0;delt(12)=0;u(3)=1.0;delt(3)=0;delt(13)=0;u(4)=1.0;delt(4)=0;u(5)=1.0;delt(5)=0;u(6)=1.0;delt(6)=0;u(7)=1.0;delt(7)=0;u(8)=1.0;delt(8)=0;u(9)=1.0;delt(9)=0;
1 M' k" F& W5 | H, m! ~9 g( }p(10)=0.183;p(11)=-0.942;p(1)=-0.478;q(1)=0.039;p(2)=-0.076;q(2)=-0.016;p(12)=-0.112;p(3)=0;q(3)=0;p(13)=0;p(4)=-0.295;p(5)=-0.09;q(5)=-0.058;p(6)=-0.035;q(6)=-0.018;p(7)=-0.061;q(7)=-0.016;p(8)=-0.135;q(8)=-0.058;p(9)=-0.149;q(9)=-0.05;7 w. U; P U( ?; x" q$ |3 X) S
k=0;precision=1;N1=13;
* C5 S) h9 Z1 J6 G# e d%求节点功率的不平衡量�6�2P和�6�2Q
) _& T0 a+ h- w( bwhile precision>0.00001
4 B& y2 F$ \: W: _1 @2 n4 ]% o$ Iu(10)=1.0450;u(11)=1.01;u(12)=1.07;u(13)=1.09;u(14)=1.06;delt(14)=0;q(4)=-0.166+(u(4))^2*0.190;
3 d8 |! B# D! Z for m=1:N1 + ]& o6 a* c5 g9 {3 y" U# ?
if m<=9) k3 ^, v L' Z9 Z0 l/ X5 G, a
for n=1:N1+1
" ]& c. U0 ^" F2 [pt(n)=u(m)*u(n)*(G(m,n)*cos(delt(m)-delt(n))+B(m,n)*sin(delt(m)-delt(n)));
2 O9 D# K0 r1 |8 A7 e A% Kqt(n)=u(m)*u(n)*(G(m,n)*sin(delt(m)-delt(n))-B(m,n)*cos(delt(m)-delt(n))); 6 H0 R* c0 y, {( R' \
end: Z- \: s/ ~! F: ^
pp(m)=p(m)-sum(pt);qq(m)=q(m)-sum(qt);
0 k" F6 s9 N* A# f else+ ^. V- j: i8 a
for n=1:N1+18 s! n8 |: S& ~
f(n)=u(m)*u(n)*(G(m,n)*cos(delt(m)-delt(n))+B(m,n)*sin(delt(m)-delt(n)));
# ~, @6 w7 l1 o; h: H7 t% s end
: A, H# f0 k/ f# M0 H) a" L pp(m)=p(m)-sum(f);qq(m)=0;
( N" P- ~5 P: W8 G4 X+ D. k- V end 1 c9 d# i9 w% I7 A! ^3 a$ X! q
end+ q# K; r( T0 s
%计算雅克比矩阵各元素
0 M3 W0 z3 v3 F5 [* n: y- Qfor m=1:N1
5 h' l3 h! b( y# l3 R- G, p/ k for n=1:N1+1
+ t/ o; \2 [ e' @. K h0(n)=u(m)*u(n)*(G(m,n)*sin(delt(m)-delt(n))-B(m,n)*cos(delt(m)-delt(n)));
6 q1 c9 C- g6 c7 h! ^ n0(n)=-u(m)*u(n)*(G(m,n)*cos(delt(m)-delt(n))+B(m,n)*sin(delt(m)-delt(n)));2 f9 i" I" W" t( V- V8 p
j0(n)=-u(m)*u(n)*(G(m,n)*cos(delt(m)-delt(n))+B(m,n)*sin(delt(m)-delt(n)));- S! a& h/ o8 E6 W+ |' o
L0(n)=-u(m)*u(n)*(G(m,n)*sin(delt(m)-delt(n))-B(m,n)*cos(delt(m)-delt(n)));
5 J8 O) k) p7 d( n end
$ w& Z. K1 L/ s8 d1 K* a if m<=9$ n2 u3 {6 n( j& n8 U
H(m,m)=sum(h0)- u(m)*u(m)*(G(m,m)*sin(delt(m)-delt(m))-B(m,m)*cos(delt(m)-delt(m)));
3 l9 B5 s# ?7 G0 T) X4 \# KN(m,m)=sum(n0)-2*u(m)^2*G(m,m)+u(m)*u(m)*(G(m,m)*cos(delt(m)-delt(m))+B(m,m)*sin(delt(m)-delt(m)));
6 j3 g: G+ \* ]3 PJ(m,m)=sum(j0)+u(m)*u(m)*(G(m,m)*cos(delt(m)-delt(m))+B(m,m)*sin(delt(m)-delt(m)));
- _* Q* H7 N+ r; ^* GL(m,m)=sum(L0)+2*u(m)^2*B(m,m)+u(m)*u(m)*(G(m,m)*sin(delt(m)-delt(m))-B(m,m)*cos(delt(m)-delt(m)));
6 \: Y7 ]) h2 u2 i6 w else7 U5 ^+ [/ ^, W2 }# { I' Z
H(m,m)=sum(h0)- u(m)*u(m)*(G(m,m)*sin(delt(m)-delt(m))-B(m,m)*cos(delt(m)-delt(m)));
. e: N, W2 _0 M& ON(m,m)=0;
$ n! D: w9 Q$ ^$ }; m1 I3 l) ZJ(m,m)=0;1 U6 A% h$ B! @, B1 Y# U
L(m,m)=0;, b# g6 B- @( q% F) t: L- a$ e
end/ L/ M% D& i* ?' _% [. c& a" {( G
end
- s! R; Q7 e: _1 q V7 K0 b8 r( mfor m=1:N1
! r& l3 k" Z1 I4 Y | JJ(2*m-1,2*m-1)=H(m,m);JJ(2*m-1,2*m)=N(m,m);1 L; _" z! s+ E
JJ(2*m,2*m-1)=J(m,m);JJ(2*m,2*m)=L(m,m);- c8 h2 }$ x% i, X% Y" m
end; b. S" B& z' \1 r$ d( [
! n6 }) d' h8 y) u3 D; w
for m=1:N1: J5 c' C- F6 {3 V$ @
for n=1:N1 0 T8 R4 b5 V6 D
if (m<=9)&(n<=9)&(m~=n)
6 t" q) t1 s7 i2 \3 Y) e: R4 N! y! FH(m,n)= -u(m)*u(n)*(G(m,n)*sin(delt(m)-delt(n))-B(m,n)*cos(delt(m)-delt(n)));( m7 j: B8 i7 g: W! _/ G
J(m,n)=u(m)*u(n)*(G(m,n)*cos(delt(m)-delt(n))+B(m,n)*sin(delt(m)-delt(n)));
% U' X* r% [3 ], X) ?( ~N(m,n)=-J(m,n);L(m,n)=H(m,n);! P2 R+ C) t4 e4 i
JJ(2*m-1,2*n-1)=H(m,n);JJ(2*m-1,2*n)=N(m,n); x3 C& E% m# @5 z% g, c* {, l
JJ(2*m,2*n-1)=J(m,n);JJ(2*m,2*n)=L(m,n);* d j2 `) R6 B5 C
elseif ((m==10)&(n<10))|((m==11)&(n<10))|((m==12)&(n<10))|((m==13)&(n<10))! t) q7 R3 r( t: ]( {
H(m,n)= -u(m)*u(n)*(G(m,n)*sin(delt(m)-delt(n))-B(m,n)*cos(delt(m)-delt(n)));
% o+ ~5 g# V1 [8 N3 C o3 g+ w- IJ(m,n)=u(m)*u(n)*(G(m,n)*cos(delt(m)-delt(n))+B(m,n)*sin(delt(m)-delt(n)));7 z1 c% K1 \+ a6 ]5 a5 \+ c
N(m,n)=-J(m,n);% C Q2 z7 M0 |/ h# a. I
JJ(2*m-1,2*n-1)=H(m,n);JJ(2*m-1,2*n)=N(m,n); ?3 e0 f7 G l' l5 R- a2 M) V
JJ(2*m,2*n-1)=0;JJ(2*m,2*n)=0;
& S1 M' ?* n" n" T elseif ((n==10)&(m<10))|((n==11)&(m<10))|((n==12)&(m<10))|((n==13)&(m<10))
6 G& B+ t% K0 X. O5 AH(m,n)= -u(m)*u(n)*(G(m,n)*sin(delt(m)-delt(n))-B(m,n)*cos(delt(m)-delt(n)));" ?2 p6 r N' y( t4 r
J(m,n)=u(m)*u(n)*(G(m,n)*cos(delt(m)-delt(n))+B(m,n)*sin(delt(m)-delt(n)));
( B0 v' |# V3 r* M. FJJ(2*m-1,2*n-1)=H(m,n);JJ(2*m-1,2*n)=0;
2 V1 l. K! |; AJJ(2*m,2*n-1)=J(m,n);JJ(2*m,2*n)=0;
+ p$ `3 }( F, k' Q- p1 W) \ elseif (m>=10)&(n>=10)&(m~=n)! }" A; k- q& y
H(m,n)= -u(m)*u(n)*(G(m,n)*sin(delt(m)-delt(n))-B(m,n)*cos(delt(m)-delt(n)));
% ?$ _& q3 s) ]. s" j) w& ]5 |; n. PJJ(2*m-1,2*n-1)=H(m,n);JJ(2*m-1,2*n)=0;# M/ _- k/ a6 y3 m5 l" V
JJ(2*m,2*n-1)=0;JJ(2*m,2*n)=0;
+ w4 l7 ~1 L8 `, X2 H' f$ B0 t5 y end' m: e x; l1 y& l" ~) K" C# C' U
end
- g4 D+ R0 W6 G4 b* Uend
- O- G$ u. T. _ D" S( s5 ?% 对雅克比矩阵进行修正,使之变成非奇异阵,以便后续求逆计算9 v6 J X( z+ z# B4 {
b=0;' _. X: _+ u$ n. a, K }
for m=1:221 P3 X; D. O* {; x {! |
for n=1:22
`* e3 S# m( F4 I, u/ ^6 e if (m<=18)&(n<=18)
H. {( U% }( D+ x/ i& k3 D A(m,n)=JJ(m,n);' v* m: q6 e* U; C
elseif (m>18)&(n<=18)
4 m) W: v% u+ d' J5 c) j7 V A(m,n)=JJ(m+b,n);' i* O! l; E5 w* ?( a# I6 G
end * {( A7 R4 A1 R! n- _
end
+ f9 l; e5 q' O- ~) s) u! [) ^9 Q7 p if m>181 z S% F7 F8 j6 }
b=b+1;) O/ f- u- F" Q3 }- H
end
2 x" b, w! y: o) Xend
5 Q+ q2 n/ `/ j4 r3 A2 [
- F- E6 l5 ?$ ~' fb=0;
" z& j s+ J+ v, r1 `. Zfor n=1:22
! M% b8 e( L6 E* k for m=1:22
6 }/ o- o0 T8 v" m if n<=18
/ N: g' ?5 H5 T ?0 ]: e A(m,n)=A(m,n);. p) T8 k. D; n+ S |0 o' E$ z
elseif (m<=18)&(n>18). y' B0 n* q* [ L6 P
A(m,n)=JJ(m,n+b);
/ j/ t) ^! D$ q* |3 ~ end! G5 Q5 D& f9 X6 a
end' `5 o2 r" E( m: L1 p; N
if n>184 ^" V4 e0 @, p1 n9 r" j/ g# Z( n
b=b+1;
9 H& T' G7 w# g- D) e- { end
6 G. C$ O# d% ^- G. G1 }end4 V$ D# e+ V! b; J# K
/ U; [$ u, M* w5 }/ L: sb=0;
' E5 O$ |: B2 ?- [/ F3 |4 vfor m=1:22
4 G$ y7 ]% }- x# s% L) m: e3 Z; s G for n=1:26
% `6 i( M, n. p" C0 R% p if (m>=19)&(n>=19)
1 u& |9 v$ h5 f" Y# i D(m,n)=JJ(m+b,n);
8 ^$ v( g' s& z% @/ L end O# `- N! H E7 }5 l
end5 q! i q+ V" G# X; {9 @& O* o
if m>18
" s9 g5 [1 d9 y0 Q b=b+1;5 t# S6 S4 b: j+ q
end
7 F/ R4 I+ ^ \& _end* y ~& ?" m0 L! ]' W
h! ? c' D& n$ y/ ^
b=0;4 R4 O; _+ {9 O8 I
for n=1:22
/ H, P1 P9 V! E. M1 y+ e* @ for m=1:229 V1 f8 H# B7 W4 b6 a
if (m>=19)&(n>=19)
@9 B( A. i# D2 j3 W5 G D(m,n)=D(m,n+b);( |1 }8 z9 q- Z+ s8 L/ ]/ G) p
end
5 X4 r, J n: C Q end: [: v4 z3 z. Q8 G+ D0 D5 }9 O5 ~
if n>18& S- ?0 j3 N2 t* ^; b2 w
b=b+1;' |4 k- }2 r/ y# y$ @3 A0 r' a
end
7 s7 c) S) {$ w( b/ d% Tend
: }( P: ?2 J) P* N
$ u- k$ W7 j. B3 K kfor m=1:22
% e3 k9 I: F/ i% L for n=1:22
- J+ q$ Y; k) V) x( i, i# n% C4 [! | if (m>=19)&(n>=19)
8 p* h$ C7 c9 ^& v4 Q" D5 u A(m,n)=D(m,n);& ]+ H) q& q/ V$ e
else
! K1 T) S& [, U7 }! E+ e A(m,n)=A(m,n);
& J7 R% N q; y. v: V; B8 f4 } end/ M& ]" d( M; Y, |4 y$ q
end7 s6 t* x* q6 W& b2 L2 Q
end
4 {- y6 D6 I! Q7 o2 |% 形成不平衡量的列矩阵9 ^! G; m5 G1 o% W
for m=1:N1
5 P' r* @% c- X9 l7 @( U PP(2*m-1)=pp(m);PP(2*m)=qq(m);
6 b7 Q' \$ m" E$ B4 t4 C# send7 b7 G7 p0 [& Y U) `, B
C=PP(1:1:18);
; _) W3 A+ `! M: g, L: Tb=0;
( t G/ m" m% ~$ L5 Sfor m=1:22 V3 @: ~/ z0 g, q# ]% `
if m<=18
1 S5 ?1 \0 v; V! {4 m% ?3 I, R3 o/ @6 u C=C;8 N( C3 {% H2 [
else
- @% H* a9 ~9 s$ a" i1 e- i( v3 ] C(m)=PP(m+b);
: |2 j% b7 ?, o/ t b=b+1;) J" P! H5 ?# P1 e
end1 @* e' G+ x9 z. G
end) ?8 h1 P* ^4 A
% 解修正方程式,得到修正量4 b5 j: D7 m. X2 _" S
uu=-inv(A)*C';* m: s5 d1 c9 A
precision=max(abs(uu));
# A! V, b6 O3 H& X( [/ t ]% 计算个节点电压新值,即修正后值
. v" V8 ^" r3 ` O: s6 mfor n=1:N1
3 T u8 R j/ _; i& z; n if n<=9+ G1 |: _& B; P4 ^4 @! o/ |% C/ k
delt(n)=delt(n)+uu(2*n-1);8 M! X) ]* L* B: M# u& k4 e* V. \
u(n)=u(n)+uu(2*n);
* L2 r$ R7 N# C% ^6 [ else
, K# B" u1 u! f( f, w5 U8 O! a delt(n)=delt(n)+uu(n+9);
( t$ G& I! A0 k1 J& ^- u* [ u(n)=u(n);( S1 Z% F/ l* Y/ W) y
end* T; T" `. i4 u) t
end
4 j: ], `. `" m3 `% 循环次数k加一,带入新值进入下一次迭代
, b9 J, `0 @+ mk=k+1;; O8 k" H8 D/ V8 Z
end
. n. C) j; S& u, S% 迭代完成后,求迭代次数、节点母线电压幅值与相角, x7 J2 b8 W$ h! s1 r1 ~
k-1,(delt*180/pi)',u'
3 _9 w# J3 b, {8 z) n6 H% 计算各节点的功率和线路功率
, j$ y3 Y n& p! p& |for n=1:N1+1
3 f5 w3 i3 c8 Q, g. i k1 K e U(n)=u(n)*(cos(delt(n))+j*sin(delt(n)));5 B9 J- X- y! O+ _9 I
end' e" C2 r3 ^ k( Y* p" Q
for m=1:N1+16 Y8 }6 A1 W$ }( M& B
for n=1:N1+1& q0 b8 O2 p6 k3 ^& Z5 ], Z
I(n)=Y(m,n)*U(n);
- b7 O( b# ?& [8 r$ r- r& w end; M' D' C* a& w- U
S(m)=U(m)*sum(conj(I));, ~2 T( G# l3 X+ \' o$ _" k) \
end
5 |5 U( X P/ t) {8 J4 o" D" DS4 ]0 Z$ b. }; n9 P2 L P% s$ T# U
for m=1:N1+1% h5 \1 g6 Z: E, H, U! h E" u
for n=1:N1+1
G1 I7 Q& T, G7 {9 N# q, { T(m,n)=U(m)*conj((U(m)-U(n))*(-Y(m,n)))+U(m)*conj(U(m)*j*y(m,n));
" H: n% L, V1 h; u& v% C! y; K+ t end4 G) N% B8 a5 x5 w' w% U( e% G
end4 X* ^! M3 ^4 d
T |