function [Volt,UAngel,Init_Z,Init_W,Init_L,Init_U,Init_Y,PG,QG,RestraintCount,wPG,wQG,wPD,wQD,wVolt,wLoadCurrent,PD,PD0,QD,randPDind,Loadi,notLoadi]=OPF_Init(Busnum,Balance,PG,QG,Volt,GenU,GenL,PVi,PGi,PVQU,PVQL,PD0,QD0,QD,PD)
Loadi=find(QD~=0 | PD~=0);
PDi=find(PD~=0);
QDi=find(QD~=0);
notLoadi=setdiff(1:Busnum,Loadi);
PGOnly=setdiff(PGi,PDi);
QGOnly=setdiff(PVi,QDi);
PDOnly=setdiff(PDi,PGi);
QDOnly=setdiff(QDi,PVi);
PGPD=intersect(PDi,PGi);
QGQD=intersect(QDi,PVi);
noPGPDQGQD=setdiff(1:Busnum,union(union(PDi,PGi),union(QDi,PVi)));
%Loadi=[1:Busnum]';
RestraintCount=size(PVi,1)+size(PGi,1)+size(Loadi,1)*1+Busnum*1; %约束条件数,放开所有QD,不单独约束QD上下限
RestraintCount=RestraintCount+length(Loadi); %加上功率因数，用功率因数约束QD
t_Bal_volt=Volt(Balance);
Volt=sparse(1*ones(1,Busnum));
Volt(Balance)=t_Bal_volt;
UAngel=sparse(1,Busnum);
Init_Z=sparse(ones(1,RestraintCount));
Init_W=sparse(-1*ones(1,RestraintCount));
Init_L=1*sparse(ones(1,RestraintCount));
Init_U=1*sparse(ones(1,RestraintCount));
Init_Y=sparse(1,2*Busnum);%与学姐一致
tPU=sparse(GenU(:,2));% 发电机有功上限
tQU=sparse(PVQU(:,1));% 无功上限
tPL=sparse(GenL(:,2));% 发电机有功下限
tQL=sparse(PVQL(:,1));% 无功下限
% PG(PGi)=(tPU+tPL)/2;
% QG(PVi)=(tQU+tQL)/2;
wPG=1*ones(size(PGi,1),1);
wQG=1*ones(size(PVi,1),1);
%randInt=randperm(size(Loadi,1));
%randPDind=randInt(1:10);
randPDind=0;
wPD=1/0.05*ones(length(PD),1);
wQD=1/0.05*ones(length(QD),1);
wVolt=1/0.05*ones(Busnum,1);
wLoadCurrent=1/0.05*ones(length(PDi),1);
%% 70%
% noLoad=[1;4;5;7;8;10;11;13;14;16;17;19;20;21];
% wPD(noLoad)=0;
% wQD(noLoad)=0;
% wVolt(noLoad)=0;
%% 50%
% wPD(1:2:end)=0;
% wQD(1:2:end)=0;
% wVolt(1:2:end)=0;
% wLoadCurrent(1:2:end)=0;
%% 30%
noLoad=[1;5;7;11;15;20];
wPD(noLoad)=0;
wQD(noLoad)=0;
wVolt(noLoad)=0;
%wD(randPDind)=0;%一些负荷不约束
%wD(7)=0;
% wD(11)=0;
PD=1*PD0;
%powerFacter=0.98;
%QD=PD*sqrt((1-powerFacter^2)/powerFacter^2);
QD=QD0;

end