程序说明书(2)

t=t+1;

DetaS(2*h-1,1)=real(B2(i,2))-OrgS(2*h-1,1);

DetaS(2*h,1)=real(PVU(t,1))^2+imag(PVU(t,1))^2-real(B2(i,3))^2-imag(B2(i,3))^2; end end DetaS

%创建I，用于存储节点电流参数 i=zeros(n-1,1); h=0; for i=1:n if i~=isb h=h+1;

I(h,1)=(OrgS(2*h-1,1)-OrgS(2*h,1)*sqrt(-1))/conj(B2(i,3)); end end I

%创建Jacbi(雅可比矩阵) Jacbi=zeros(2*n-2); h=0; k=0;

for i=1:n %对PQ节点的处理 if B2(i,6)==2 h=h+1; for j=1:n if j~=isb k=k+1;

if i==j %对角元素的处理

Jacbi(2*h-1,2*k-1)=-imag(Y(i,j))*real(B2(i,3))+real(Y(i,j))*imag(B2(i,3))+imag(I(h,1)); Jacbi(2*h-1,2*k)=real(Y(i,j))*real(B2(i,3))+imag(Y(i,j))*imag(B2(i,3))+real(I(h,1)); Jacbi(2*h,2*k-1)=-Jacbi(2*h-1,2*k)+2*real(I(h,1)); Jacbi(2*h,2*k)=Jacbi(2*h-1,2*k-1)-2*imag(I(h,1)); else %非对角元素的处理

Jacbi(2*h-1,2*k-1)=-imag(Y(i,j))*real(B2(i,3))+real(Y(i,j))*imag(B2(i,3)); Jacbi(2*h-1,2*k)=real(Y(i,j))*real(B2(i,3))+imag(Y(i,j))*imag(B2(i,3)); Jacbi(2*h,2*k-1)=-Jacbi(2*h-1,2*k); Jacbi(2*h,2*k)=Jacbi(2*h-1,2*k-1); end

if k==(n-1) %将用于内循环的指针置于初始值，以确保雅可比矩阵换行 k=0; end end end end end k=0;

for i=1:n %对PV节点的处理

if B2(i,6)==3 h=h+1; for j=1:n if j~=isb k=k+1;

if i==j %对角元素的处理

Jacbi(2*h-1,2*k-1)=-imag(Y(i,j))*real(B2(i,3))+real(Y(i,j))*imag(B2(i,3))+imag(I(h,1)); Jacbi(2*h-1,2*k)=real(Y(i,j))*real(B2(i,3))+imag(Y(i,j))*imag(B2(i,3))+real(I(h,1)); Jacbi(2*h,2*k-1)=2*imag(B2(i,3)); Jacbi(2*h,2*k)=2*real(B2(i,3)); else %非对角元素的处理

Jacbi(2*h-1,2*k-1)=-imag(Y(i,j))*real(B2(i,3))+real(Y(i,j))*imag(B2(i,3)); Jacbi(2*h-1,2*k)=real(Y(i,j))*real(B2(i,3))+imag(Y(i,j))*imag(B2(i,3)); Jacbi(2*h,2*k-1)=0; Jacbi(2*h,2*k)=0; end

if k==(n-1) %将用于内循环的指针置于初始值，以确保雅可比矩阵换行 k=0; end end end end end Jacbi

%求解修正方程，获取节点电压的不平衡量 DetaU=zeros(2*n-2,1); DetaU=inv(Jacbi)*DetaS; DetaU

%修正节点电压 j=0;

for i=1:n %对PQ节点处理 if B2(i,6)==2 j=j+1;

B2(i,3)=B2(i,3)+DetaU(2*j,1)+DetaU(2*j-1,1)*sqrt(-1); end end

for i=1:n %对PV节点的处理 if B2(i,6)==3 j=j+1;

B2(i,3)=B2(i,3)+DetaU(2*j,1)+DetaU(2*j-1,1)*sqrt(-1); end end B2

%开始循环********************************************************************** while abs(max(DetaU))>pr

OrgS=zeros(2*n-2,1); %!!!初始功率参数在迭代过程中是不累加的，所以在这里必须将其初始化为零矩阵

h=0; j=0; for i=1:n

if i~=isb&B2(i,6)==2 h=h+1; for j=1:n

OrgS(2*h-1,1)=OrgS(2*h-1,1)+real(B2(i,3))*(real(Y(i,j))*real(B2(j,3))-imag(Y(i,j))*imag(B2(j,3)))+imag(B2(i,3))*(real(Y(i,j))*imag(B2(j,3))+imag(Y(i,j))*real(B2(j,3)));

OrgS(2*h,1)=OrgS(2*h,1)+imag(B2(i,3))*(real(Y(i,j))*real(B2(j,3))-imag(Y(i,j))*imag(B2(j,3)))-real(B2(i,3))*(real(Y(i,j))*imag(B2(j,3))+imag(Y(i,j))*real(B2(j,3))); end end end for i=1:n

if i~=isb&B2(i,6)==3 h=h+1; for j=1:n

OrgS(2*h-1,1)=OrgS(2*h-1,1)+real(B2(i,3))*(real(Y(i,j))*real(B2(j,3))-imag(Y(i,j))*imag(B2(j,3)))+imag(B2(i,3))*(real(Y(i,j))*imag(B2(j,3))+imag(Y(i,j))*real(B2(j,3)));

OrgS(2*h,1)=OrgS(2*h,1)+imag(B2(i,3))*(real(Y(i,j))*real(B2(j,3))-imag(Y(i,j))*imag(B2(j,3)))-real(B2(i,3))*(real(Y(i,j))*imag(B2(j,3))+imag(Y(i,j))*real(B2(j,3))); end end end OrgS %创建DetaS h=0; for i=1:n

if i~=isb&B2(i,6)==2 h=h+1;

DetaS(2*h-1,1)=real(B2(i,2))-OrgS(2*h-1,1); DetaS(2*h,1)=imag(B2(i,2))-OrgS(2*h,1); end end t=0; for i=1:n

if i~=isb&B2(i,6)==3 h=h+1; t=t+1;

DetaS(2*h-1,1)=real(B2(i,2))-OrgS(2*h-1,1);

DetaS(2*h,1)=real(PVU(t,1))^2+imag(PVU(t,1))^2-real(B2(i,3))^2-imag(B2(i,3))^2; end end DetaS %创建I i=zeros(n-1,1);

h=0; for i=1:n if i~=isb h=h+1;

I(h,1)=(OrgS(2*h-1,1)-OrgS(2*h,1)*sqrt(-1))/conj(B2(i,3)); end end I

%创建Jacbi Jacbi=zeros(2*n-2); h=0; k=0; for i=1:n if B2(i,6)==2 h=h+1; for j=1:n if j~=isb k=k+1; if i==j

Jacbi(2*h-1,2*k-1)=-imag(Y(i,j))*real(B2(i,3))+real(Y(i,j))*imag(B2(i,3))+imag(I(h,1)); Jacbi(2*h-1,2*k)=real(Y(i,j))*real(B2(i,3))+imag(Y(i,j))*imag(B2(i,3))+real(I(h,1)); Jacbi(2*h,2*k-1)=-Jacbi(2*h-1,2*k)+2*real(I(h,1)); Jacbi(2*h,2*k)=Jacbi(2*h-1,2*k-1)-2*imag(I(h,1)); else

Jacbi(2*h-1,2*k-1)=-imag(Y(i,j))*real(B2(i,3))+real(Y(i,j))*imag(B2(i,3)); Jacbi(2*h-1,2*k)=real(Y(i,j))*real(B2(i,3))+imag(Y(i,j))*imag(B2(i,3)); Jacbi(2*h,2*k-1)=-Jacbi(2*h-1,2*k); Jacbi(2*h,2*k)=Jacbi(2*h-1,2*k-1); end if k==(n-1) k=0; end end end end end k=0; for i=1:n if B2(i,6)==3 h=h+1; for j=1:n if j~=isb k=k+1; if i==j

Jacbi(2*h-1,2*k-1)=-imag(Y(i,j))*real(B2(i,3))+real(Y(i,j))*imag(B2(i,3))+imag(I(h,1)); Jacbi(2*h-1,2*k)=real(Y(i,j))*real(B2(i,3))+imag(Y(i,j))*imag(B2(i,3))+real(I(h,1));

Jacbi(2*h,2*k-1)=2*imag(B2(i,3)); Jacbi(2*h,2*k)=2*real(B2(i,3)); else

Jacbi(2*h-1,2*k-1)=-imag(Y(i,j))*real(B2(i,3))+real(Y(i,j))*imag(B2(i,3)); Jacbi(2*h-1,2*k)=real(Y(i,j))*real(B2(i,3))+imag(Y(i,j))*imag(B2(i,3)); Jacbi(2*h,2*k-1)=0; Jacbi(2*h,2*k)=0; end if k==(n-1) k=0; end end end end end Jacbi

DetaU=zeros(2*n-2,1); DetaU=inv(Jacbi)*DetaS; DetaU

%修正节点电压 j=0; for i=1:n if B2(i,6)==2 j=j+1;

B2(i,3)=B2(i,3)+DetaU(2*j,1)+DetaU(2*j-1,1)*sqrt(-1); end end for i=1:n if B2(i,6)==3 j=j+1;

B2(i,3)=B2(i,3)+DetaU(2*j,1)+DetaU(2*j-1,1)*sqrt(-1); end end B2

Times=Times+1; %迭代次数加1 end Times

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