39 lines
1.7 KiB
Matlab
39 lines
1.7 KiB
Matlab
%% 计算线损
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function [dispLineloss dispTransloss]=Lineloss(Linei,Linej,Liner,Linex,Lineb2,Transi,Transj,Transr,Transx,Branchi,Branchg,Branchb,k0,Volt,Angle)
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%format long
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% fprintf('功率为有名值\n');
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% fprintf('节点号\t节点号\t有功损耗 MW\t无功损耗 MVar')
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cmpVolt=Volt'.*cos(Angle')+1i*Volt'.*sin(Angle');
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% cmpVolt=cmpVolt';
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y0=1i*Lineb2;
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%yj0=1i*standardinput(:,7);
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yij=1./(Liner+1i*Linex);
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%% 线路损耗
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Sij=cmpVolt(Linei).*conj( cmpVolt(Linei) .* y0 + ( cmpVolt(Linei)- cmpVolt(Linej) ).*yij );
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Sji=cmpVolt(Linej).*conj( cmpVolt(Linej) .*y0 + ( cmpVolt(Linej)- cmpVolt(Linei) ).*yij );
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%Sij1==Sij2
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deltLineS=Sij+Sji;
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%% 另一种计算方式begin
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% ss=1*(Volt(Linei)'.^2.*abs(yij).*cos( angle(yij) ) -Volt(Linei)'.*Volt(Linej)'.*cos( Angle(Linei)' - Angle(Linej)' - angle(yij)).*abs(yij));
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% ss=(Volt(Linei)'.^2+Volt(Linej)'.^2).*abs(yij).*cos(angle(yij))-2*Volt(Linei)'.*Volt(Linej)'.*cos( Angle(Linei)' - Angle(Linej)').*cos( - angle(yij)).*abs(yij);
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% ss=abs(yij).*cos(angle(yij)).*( Volt(Linei)'.^2+Volt(Linej)'.^2- 2*Volt(Linei)'.*Volt(Linej)' .*cos(Angle(Linei)' - Angle(Linej)') );
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%% 另一种计算方式end
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dispLineloss=[Linei Linej real(deltLineS)*100 imag(deltLineS)*100];
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%full(dispLineloss)
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dispLineloss=sortrows(dispLineloss,-3);
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full(dispLineloss);
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%% 以下是变压器损耗
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yij=1./(Transr+1i*Transx);
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Sij=cmpVolt(Transi)./k0.*conj( ( cmpVolt(Transi)./k0- cmpVolt(Transj) ).*yij );
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Sji=cmpVolt(Transj).*conj( ( cmpVolt(Transj)- cmpVolt(Transi)./k0 ).*yij );
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deltTransS=Sij+Sji;
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%% 接地支路损耗
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% 没有考虑变压器变比
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deltTransS =deltTransS+cmpVolt(Branchi).*conj((cmpVolt(Branchi).*(Branchg+1j*Branchb)));
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ss=Volt(Branchi)'.^2.*(Branchg)
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%%
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dispTransloss=[Transi Transj real(deltTransS)*100 imag(deltTransS)*100];
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dispTransloss=sortrows(dispTransloss,-3);
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full(dispTransloss);
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end |