基于MPPT最大功率跟踪算法的PV光伏阵列发电系统simulink仿真,包含仿真操作录像

function y = MPPtrackIref(P) global Pold; global Iref; global Increment; IrefH = 5; % upper limit for the reference current IrefL = 0; % lower limit for the reference current DeltaI = 0.02; % reference current increment if (P < Pold) Increment = -Increment; % change direction if P decreased end % increment current reference Iref=Iref+Increment*DeltaI; % check for upper limit if (Iref > IrefH) Iref = IrefH; end % check for lower limit if (Iref < IrefL) Iref = IrefL; end % save power value Pold = P; % output current reference y = Iref;