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    文件類型: .zip
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    發(fā)布日期: 2021-05-12
  • 語言: 其他
  • 標(biāo)簽: MPPT??

資源簡介

MPPT算法,具體參數(shù)看仿真模型,絕對好用,來著師兄師姐的仿真論文

資源截圖

代碼片段和文件信息

function?[sysx0strts]?=?PV_array_MPPT_Boost_420V(txuflag)
switch?flag
??case?0
????[sysx0strts]?=?mdlInitializeSizes;
??case?2????????????????????????????????????????????????
????sys?=?mdlUpdate(txu);?
??case?3????????????????????????????????????????????????
????sys?=?mdlOutputs(txu);
??case?{149}????????????????????????????????????????????????
????sys?=[];
??otherwise
????error([‘unhandled?flag?=?‘num2str(flag)]);
end

function?[sysx0strts]?=?mdlInitializeSizes
sizes?=?simsizes;
sizes.NumContStates??=?0;
sizes.NumDiscStates??=?4;
sizes.NumOutputs?????=?1;
sizes.NumInputs??????=?2;
sizes.DirFeedthrough?=?1;
sizes.NumSampleTimes?=?1;
sys?=?simsizes(sizes);
x0??=[0?0?0.5?0];
str?=[];
ts??=[2e-3?0];????%步長為1e-6

function?sys?=?mdlUpdate(txu)??
%?增量電導(dǎo)法MPPT
dU=u(1)-x(1);
dI=u(2)-x(2);

slope=0;
k1=0.01;???%占空比步長

%變步長
Pnew=u(1)*u(2);
P=x(1)*x(2);
dP=Pnew-P;
if?dU~=0
????m=dP/dU;
????k1=0.01*abs(m);
end
%G+dGI大于零時應(yīng)該減小D;小于零時增大D
if?dU==0
????if?dI==0
????slope?=?0;
????elseif?dI?>?0
????slope?=?-1;????????????
????elseif??dI?????slope?=?1;??
????end
else
????if??(dI/dU)?==(-u(2)/u(1))
????????slope?=?0;????
????elseif?(dI/dU)?>(-u(2)/u(1))
????????slope?=?-1;???
????elseif??(dI/dU)?<(-u(2)/u(1))
????????slope?=?1;?
????end
end
%找到最大功率點(diǎn)的判斷
if?abs(u(2)+u(1)*dI/dU)<2e-5
????x(4)=1;
else
????x(4)=0;
end

if?x(4)==0
????x(3)=x(3)+k1*slope;?????%更新占空比值??
else
????x(3)=1-u(1)/420;
end

x(1)=u(1);
x(2)=u(2);

sys=[x(1)?x(2)?x(3)?x(4)];

function?sys?=?mdlOutputs(txu)
%?if?x(3)<=0
%?????x(3)=0.1;
%?end
%?if?x(3)>=0.8
%?????x(3)=0.8;
%?end

sys=x(3);?????%?輸出占空比值

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-10-28?21:39??PV_array_MPPT_Boost_5320W_420V\
?????文件????????1746??2014-11-26?18:05??PV_array_MPPT_Boost_5320W_420V\PV_array_MPPT_Boost_420V.m
?????文件???????75377??2014-11-26?18:05??PV_array_MPPT_Boost_5320W_420V\PV_array_MPPT_Boost_5320W_420V.mdl

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