function [ output_args ] = MaxBranchDeviation( ~, Linei,Linej,Liner,Linex,Lineb,Transfori,Transforj,Transforr,Transforx,Branchi,Branchg,Branchb,Transfork0,Volt0,UAngel0,Volt,UAngel,FileName,PD0,QD0)
%% 最大支路功率偏差
% 支路功率包括线路和变压器
%% 先用加了误差的负荷功率计算潮流值
[Busnum,Balance,PQstandard,Precision,~,~,~,~,~,kmax,~ ,...
    ~,~,~,~,~,~,~,Pointpoweri,PG,QG,PD,QD,PVi,PVu,~,~,~,~,~,~,~]= openfile2(FileName);
PD=PD0;
QD=QD0;
%% 形成节点导纳矩阵
[~,Y,r,c,Angle] = admmatrix(Busnum,Linei,Linej,Liner,Linex,Lineb,Transfori,Transforj,Transforr,...
    Transforx,Transfork0,Branchi,Branchg,Branchb);
[P0,Q0,U,Uangle] = Initial(PG,PD,PQstandard,Pointpoweri,QG,QD,Busnum);                         %求功率不平衡量
%disp('迭代次数i  最大不平衡量');
%% 循环体计算
for i = 0:kmax
    [Jacob,PQ,U,Uangle] = jacobian(Busnum,Balance,PVi,PVu,U,Uangle,Y,Angle,P0,Q0,r,c);  %形成雅克比矩阵
   % disp('第一次雅克比');
    m = max(abs(PQ));
    m=full(m);
    %fprintf('       %u         %.8f \n',i,m);
    if m > Precision                                                                                                                                 %判断不平衡量是否满足精度要求
        [Uangle,U] = solvefun(Busnum,Jacob,PQ,Uangle,U);                                                           %求解修正方程，更新电压变量
    else
        disp(['收敛，迭代次数为',num2str(i),'次']);
        break                                                                                                                                             %若满足精度要求，则计算收敛
    end
end

Volt0=U;
UAngel0=Uangle;

[dispLineloss0 dispTransloss0]=Lineloss(Linei,Linej,Liner,Linex,Lineb,Transfori,Transforj,Transforr,Transforx,Branchi,Branchg,Branchb,Transfork0,Volt0,UAngel0);
[dispLineloss dispTransloss]=Lineloss(Linei,Linej,Liner,Linex,Lineb,Transfori,Transforj,Transforr,Transforx,Branchi,Branchg,Branchb,Transfork0,Volt,UAngel);
t1=(dispLineloss0(:,3) - dispLineloss(:,3))./dispLineloss0(:,3);
t2=(dispTransloss0(:,3) - dispTransloss(:,3))./dispTransloss0(:,3);
t11=dispLineloss0(:,3)>1e-5;% 太小的值不计算
t22=dispTransloss0(:,3)>1e-5;% 太小的值不计算
t3=abs([t1(t11);t2(t22)]);
output_args=max(t3(t3~=Inf));
end