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UM1561 데이터시트(PDF) 34 Page - STMicroelectronics

부품명 UM1561
상세설명  This document describes how the firmware to manage the 250 W micro-inverter demo
PDF  39 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UM1561 데이터시트(HTML) 34 Page - STMicroelectronics

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MPPT - maximum power point algorithm
UM1561
34/39
Doc ID 023556 Rev 1
CCR_Val = CCR_Val + CCR_Val_step;
DCDC_SetDutyCycle((u16)CCR_Val);
}
}
if((Pow<Powprev) && (Vpanel<Vpanel_prev))
{
if((CCR_Val +CCR_Val_step)>=512)
{
CCR_Val=512;
DCDC_SetDutyCycle((u16)CCR_Val);
}
else
{
CCR_Val = CCR_Val + CCR_Val_step;
flag_mppt=1;
DCDC_SetDutyCycle((u16)CCR_Val);
}
}
if((Pow<=Powprev) && (Vpanel>=Vpanel_prev))
{
if((CCR_Val - CCR_Val_step)<=235)
{
CCR_Val=235;
DCDC_SetDutyCycle((u16)CCR_Val);
}
else
{
CCR_Val = CCR_Val - CCR_Val_step;
DCDC_SetDutyCycle((u16)CCR_Val);
}
}
Powprev = Pow;
Vpanel_prev= Vpanel;
Pow=0;
}



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