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