clc clear close all a=exp(1j*2*pi/3); Tp2f=1/3*[1 1 1; 1 a a^2; 1 a^2 a]; sigma=0.03; rLoadP=[10;10;10]; rLoadQ=[9;9;9]; eLoadP=normrnd(0,sigma,length(rLoadP),1); mLoadP=rLoadP.*(1+eLoadP); eLoadQ=normrnd(0,sigma,length(rLoadQ),1); mLoadQ=rLoadQ.*(1+eLoadQ); rVoltP=[1;1*exp(1j*-120/180*pi);1*exp(1j*+120/180*pi)]; mVoltP=rVoltP.*(1+normrnd(0,sigma,length(rVoltP),1)); rI=conj((rLoadP+1j*rLoadQ)./rVoltP); mI=conj((mLoadP+1j*mLoadQ)./mVoltP); rFI=Tp2f*rI; mFI=Tp2f*mI; %¼ÆË㲻ƽºâ¶È LmP=(sum(mLoadP.^4))/(sum(mLoadP.^2)*sum(mLoadP.^2)); LmQ=(sum(mLoadQ.^4))/(sum(mLoadQ.^2)*sum(mLoadQ.^2)); ubmP=sqrt( (1-sqrt(3-6*LmP))/(1+sqrt(3-6*LmP) ) )*100; ubmQ=sqrt( (1-sqrt(3-6*LmQ))/(1+sqrt(3-6*LmQ) ) )*100; LrP=(sum(rLoadP.^4))/(sum(rLoadP.^2)*sum(rLoadP.^2)); LrQ=(sum(rLoadQ.^4))/(sum(rLoadQ.^2)*sum(rLoadQ.^2)); ubrP=sqrt( (1-sqrt(3-6*LrP))/(1+sqrt(3-6*LrP) ) )*100; ubrQ=sqrt( (1-sqrt(3-6*LrQ))/(1+sqrt(3-6*LrQ) ) )*100; ramI=conj((rLoadP+1j*rLoadQ)./mVoltP)+conj((rLoadP.*eLoadP+1j*rLoadQ.*eLoadQ)./mVoltP); ramFI=Tp2f*conj((rLoadP+1j*rLoadQ)./mVoltP)+Tp2f*conj((rLoadP.*eLoadP+1j*rLoadQ.*eLoadQ)./mVoltP); count=9; plotF0=zeros(count,1); plotF1=zeros(count,1); plotF2=zeros(count,1); for I=1:count usedLoadP=rLoadP; usedLoadQ=rLoadQ; % usedLoadP(3)=rLoadP(3)*(1-I/10); % usedLoadQ(2)=rLoadQ(2)*(1-I/10); usedVoltP=rVoltP; usedVoltP(2)=rVoltP(2)*(1-I/10); usedVoltP(3)=rVoltP(3)*(1-I/10); t=Tp2f*conj((usedLoadP+1j*usedLoadQ)./usedVoltP); f0=t(1); f1=t(2); f2=t(3); plotF0(I)=f0; plotF1(I)=f1; plotF2(I)=f2; end subplot(6,1,1); plot(1:count,real(plotF0)); subplot(6,1,2); plot(1:count,imag(plotF0)); subplot(6,1,3); plot(1:count,real(plotF1)); subplot(6,1,4); plot(1:count,imag(plotF1)); subplot(6,1,5); plot(1:count,real(plotF2)); subplot(6,1,6); plot(1:count,imag(plotF2)); % abs(t)