clc clear lineZ=readLineZ('.\feeder13\lineParameter.txt'); [ fsY0, fsY1, fsY2,phaseASpotLoadP,phaseBSpotLoadP,phaseCSpotLoadP ... phaseASpotLoadQ,phaseBSpotLoadQ,phaseCSpotLoadQ,nodeNum,Balance,phaseABCY]=dataRead(lineZ,'.\feeder13\data1.txt'); %fsY1(1,1)=fsY1(1,1)+1j*1e-10; a=exp(1j*2*pi/3); Tp2f=1/3*[1 1 1; 1 a a^2; 1 a^2 a]; Tf2p=inv(Tp2f); fsY1amp=abs(fsY1); [r,c,fsY1ang]=find(fsY1); fsY1ang=angle(fsY1ang); % fsY2amp=abs(fsY2); % fsY0ang=angle(fsY0); % fsY1ang=angle(fsY1); % fsY2ang=angle(fsY2); Pabc=phaseASpotLoadP+phaseBSpotLoadP+phaseCSpotLoadP; Qabc=phaseASpotLoadQ+phaseBSpotLoadQ+phaseCSpotLoadQ; busNum=length(phaseASpotLoadP); %给序电压赋初值 Vmf1=sparse(ones(busNum,1)); Vmf2=sparse(ones(busNum,1)); Vmf0=sparse(busNum,1); Vaf1=sparse(busNum,1); Vaf2=sparse(busNum,1); Vaf0=sparse(busNum,1); %先求解正序的 PQi=nodeNum; PG=sparse(busNum,1); QG=sparse(busNum,1); QGi=[Balance]; PD=Pabc/3; QD=Qabc/3; maxD=100000;% 最大不平衡量 EPS=1e-5; k=0; kmax=20; %%把F矩阵转会到相矩阵,看看是哪里有问题 phaseABCYalt=Yf2p( fsY0,fsY1,fsY2 ); %% Vf1=-ones(busNum,1); fsY11=fsY1; fsY00=fsY0; fsY22=fsY2; while(k<=kmax && maxD> EPS) k=k+1; VoltpABC=Tf2p*conj([ (Vmf0.*exp(1j*Vaf0))'; (Vmf1.*exp(1j*Vaf1))'; (Vmf2.*exp(1j*Vaf2))']); VoltpA=conj(VoltpABC(1,:)'); CurpA=conj((phaseASpotLoadP+1j*phaseASpotLoadQ)./VoltpA); VoltpB=conj(VoltpABC(2,:)'); CurpB=conj((phaseBSpotLoadP+1j*phaseBSpotLoadQ)./VoltpB); VoltpC=conj(VoltpABC(3,:)'); CurpC=conj((phaseCSpotLoadP+1j*phaseCSpotLoadQ)./VoltpC); f012=Tp2f*conj([CurpA';CurpB';CurpC']); If0=conj(f012(1,:)'); If1=conj(f012(2,:)'); If2=conj(f012(3,:)'); %平衡节点负序电压为0 fsY2(Balance,:)=0; fsY2(:,Balance)=0; fsY2=fsY2+sparse(Balance,Balance,ones(length(Balance),1),busNum,busNum); If2(Balance)=0; Vf2=fsY2\If2; Vmf2=abs(Vf2); Vaf2=angle(Vf2); fsY0(Balance,:)=0; fsY0(:,Balance)=0; fsY0=fsY0+sparse(Balance,Balance,ones(length(Balance),1),busNum,busNum); If0(Balance)=0; Vf0=fsY0\If0; Vmf0=abs(Vf0); Vaf0=angle(Vf0); [dP, dQ, YdotSinVolt, YdotCosVolt, diag_Volt_YdotSin, diag_Volt_YdotCos]=Unbalance(Balance,busNum, ... PQi,PG,QG,QGi,PD,QD,Vmf1,Vaf1,fsY1amp,fsY1ang,r,c,Vf2,If2,Vf0,If0);%不平衡量 maxD=max([dP;dQ;]); jaco=Jacobi(Balance,busNum,QGi,Vmf1,YdotSinVolt,YdotCosVolt,diag_Volt_YdotSin,diag_Volt_YdotCos);%雅克比矩阵 [dV, dVangle]=Solv(busNum,jaco,dP,dQ);%解出修正量 [Vmf1, Vaf1]=Modify(Vmf1,Vaf1,dV,dVangle,1); fprintf('第 %d 次迭代, 最大不平衡量为 %f\n\n',k,full(maxD)); %% %转换为三相电压 VoltpABC=Tf2p*conj([ (Vmf0.*exp(1j*Vaf0))'; (Vmf1.*exp(1j*Vaf1))'; (Vmf2.*exp(1j*Vaf2))']); VoltpA=conj(VoltpABC(1,:)'); CurpA=-conj((phaseASpotLoadP+1j*phaseASpotLoadQ)./VoltpA); VoltpB=conj(VoltpABC(2,:)'); CurpB=-conj((phaseBSpotLoadP+1j*phaseBSpotLoadQ)./VoltpB); VoltpC=conj(VoltpABC(3,:)'); CurpC=-conj((phaseCSpotLoadP+1j*phaseCSpotLoadQ)./VoltpC); f012=Tp2f*conj([CurpA';CurpB';CurpC']); If0=conj(f012(1,:)'); If1=conj(f012(2,:)'); If2=conj(f012(3,:)'); Vf0=fsY0\If0; Vmf0=abs(Vf0); Vaf0=angle(Vf0); Vf2=fsY2\If2; Vmf2=abs(Vf2); Vaf2=angle(Vf2); Vf1=Vmf1.*exp(1j*Vaf1); %% end (Vf0.*conj(fsY00*Vf0)+Vf1.*conj(fsY11*Vf1)+Vf2.*conj(fsY22*Vf2))*3; (Vf1.*conj(fsY11*Vf1))/3; conj(Tf2p*[If0(2);If1(2);If2(2)]).*(Tf2p*[Vf0(2);Vf1(2);Vf2(2)]); %% If1=fsY11*Vf1; If1(Balance)=Vf1(Balance); fsY1(Balance,:)=0; fsY1(:,Balance)=0; % fsY1=fsY1+sparse(Balance,Balance,ones(length(Balance),1),busNum,busNum); fsY1(3,3)=1; %VV1=fsY1(1:2,1:2)\If1(1:2);%算一下,虽然不用。 VV1=fsY1\If1;%算一下,虽然不用。 %Vf1=Vmf1.*exp(1j*Vaf1); If0(Balance)=-sum(If0); If2(Balance)=-sum(If2); If1(Balance)=-sum(If1); fsY11*VV1; %% IpABC=Tf2p*conj([If0';If1';If2']); %转换回三相电压 VoltpABC=Tf2p*conj([ (Vmf0.*exp(1j*Vaf0))'; (Vmf1.*exp(1j*Vaf1))'; (Vmf2.*exp(1j*Vaf2))']); VoltpABC(:,1); Tp2f*VoltpABC(:,1); Tf2p*Tp2f*VoltpABC(:,1); disp([' A B C']) abs(VoltpABC') VoltpA=VoltpABC(1,:); VoltpB=VoltpABC(2,:); VoltpC=VoltpABC(3,:); Vp3=sparse(busNum*3,1); Vp3(1:3:end)=VoltpA; Vp3(2:3:end)=VoltpB; Vp3(3:3:end)=VoltpC; Ip3=phaseABCY*Vp3; Sp3=Vp3.*conj(Ip3); VoltpABC.*conj(IpABC); I2inj=IpABC(:,2);