Solar Power Converter

7/25/2019 Solar Power Converter

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GRIGOROIU ANDREEA-MADALINAIESC / IEC / 4531(A)

DESIGN, SIMULATION AND HARDWARE IMPLEMENTATION OF EFFICIENTSOLAR POWER CONVERTER WITH HIGH MPP TRACKING ACCURACY FOR DC

MICROGRID APPLICATIONS

1 INTRODUCTION

T!" #$%&'% $ *+$ &! $ $+ *.$ 0. "%"+* 2" 0%2 0%2 &!" "% '+$% "%&0. #$%#"+%0 $ & &!" *.$ 0. 0+ '%*, $ '. ". " !0 &'$% 0%2 &!" %""2 &$ +"2 #" &!" #0+ $% 2'$ '2"" ' '$% !0 &$ ."02 &!" " 6.$+0&'$% $ +"%" 0 ." "%"+* $ +#" PV &" !0 " ""%" &"% ' ". "2 $+ .$ 6$ "+ "."#&+'#0. *"%"+0&'$% 0%2 !0 " 066.'#0&'$% #! 0

"."#&+' '#0&'$% $+ 2$ " &'# 066.'#0&'$% , 0&"+ 6 6'%* 0%2 0'+ #$%2'&'$% '% + +0. 0%2' $.0&"2 0+"0 S$ DC '#+$*+'2 #0% " 2'+"#&. "2 $+ + +0. +"7 '+" "%& 0%2 $.0+ "%"+*#0% " &'.'8"2 &$ *"%"+0&" 6$ "+ C$%2 #&0%#" 0.*$+'&! ' "2 0%2 &!" 6$ "+ +"2 #&'$%#0 "2 &!" !02$ " "#& ' $ "+#$ " 022'%* D- ""6 &"#!%'7 " '% &!" MPPT #$%&+$.0.*$+'&! T!" $.0+ 6$ "+ #$% "+&"+ ' "2 0 0 DC-DC #$% "+&"+ !'#! !0+ " & 0 '"%"+* +$ "0#! '%2' '2 0. PV $2 ." T!' #$% "+&"+ '&! MPPT '%#+"0 " &!" PV 60%".

$.&0*" &$ 0 !'*!"+ $.&0*" ." ". 0 +"7 '+"2 &!" DC '#+$*+'2 T!' '* +" !$ &!" 0 '#+"6+" "%&0&'$% $ &!" 6+$6$ "2 &"

9.$#: D'0*+0 $ S$.0+ P$ "+ O6&' '8"+;

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M$ & MPPT &"#!%'7 " 0&&" 6& &$ '%2 ( "0+#!) &!" PV $.&0*" &!0& +" .& '% &!"0 ' 6$ "+ 6$'%& VMPP , $+ &$ '%2 &!" PV # ++"%& IMPP #$++" 6$%2'%* &$ &!"0 ' 6$ "+ 6$'%& T!" 6+$6$ "2 0.*$+'&! &+0#: %"'&!"+ &!" VMPP %$+ &!" IMPP

H$ " "+, '& &+0#: 2'+"#&. &!" 0 ' 6$ ' ." 6$ "+ PMA< &!0& #0% " " &+0#&"2 +$&!" PV T!" .$ #!0+& $ &!" 6+$6$ "2 MPPT "&!$2 ' !$ % '% '* +";

= SYSTEM DESCRIPTION

T!" $ "+0.. &" #$% ' & $ PV 60%". , H'*! S&"6 6 S$.0+ P$ "+ C$% "+&"+, DC'#+$*+'2 0%2 90&&"+ 90%: DC '#+$*+'2 6+$ '2" 0+'$ 066.'#0&'$% #! 0 UPS

S 66$+&, E."#&+$%'# L'*!&'%* " E0#! 60+& ' " 6.0'%"2 '%2' '2 0.. '% &!" &"2" #+'6&'$%

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S$.0+ PV P0%". ;

H'*! G0'% S$.0+ P$ "+ C$% "+&"+;

T!" #$% "+&"+ "2 !"+" ' 0 !'*! &"6 6 0%2 !'*! $.&0*" *0'% DC-DC #$% "+&"+90 '#0.. &!" DC-DC #$% "+&"+ "%&'$%"2 '% &!' $+: ' 0 %$% '% "+&"2 S"6'# #$% "+&"+ I&

!$ &!" ' '.0+'& &$ &!" $2' '"2 #: $$ & &$6$.$* T!" #$% "+&"+ !0 $&! #$ 6."2'%2 #&$+ 0%2 '!"2 #060#'&$+ 9 '%* 0 2'$2" 0%2 0 #060#'&$+, &!" ."0:0*" '%2 #&0%#""%"+* +$ &!" #$ 6."2 '%2 #&$+ ' +"# #."2 S$ &!0& '!'%* .$ ' +"2 #"2 6 &$ 0 .' '&S' '.0+. &!" '!"2 #060#'&$+ !".6"2 &$ '%#+"0 " &!" $.&0*" *0'% 6 &$ => &' " '&! ?5@$ &" " '#'"%# T!" $.0+ 6$ "+ #$% "+&"+ ' $+:'%* 0 "2 $% &!" #$ '%0&'$% $#$%&'% $ , 2' #$%&'% $ 0%2 $ %20+ #$%2 #&'$% $2"

3 MPPT CONTROL

MPPT ' 0 #$%&+$. 0.*$+'&! !'#! :""6 &!" 2 & +0&'$ '% 0 6"#' '# 0. " 0%2 &!"0. " 6$ "+ +$ &!" PV 60%". '.. " " &+0#&"2 0 ' P$ "+ +$ &!" PV 60%". 0+'"

'% 0##$+20%#" '&! $.0+ '++02'0&'$%, 0 '"%& #$%2'&'$% 0%2 &" 6"+0& +" S' '.0+. &!""."#&+'#0. #!0+0#&"+' &'# 0+ +$ &!" "0#! $.0+ #".. I%#+" "%&0. C$%2 #&0%#" 0.*$+'&! ,P O "&!$2, H'.. #.' '%* 0.*$+'&! " 0+" &!" ' 6$+&0%& MPPT &"#!%'7 " I%#+" "%&0.#$%2 #&0%#" .$#0&" 0 ' 6$ "+ !"% &!" '%#+" "%&0. #$%2 #&0%#" "7 0. &$ &!"%"*0&' " $ '% &0%&0%"$ #$%2 #&0%#" A66. '%* &!" 6+'%#'6." $ 0 ' 0- '%' 0 ' " &!" +0&"$ #!0%*" $ 6$ "+ '&! +" 6"#& &$ PV 60%". $.&0*" ' "7 0&"2 &$ 8"+$

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W" !0 " 2P/2V B> 0%2 2(V I)/2V B> S$. '%* &!" 0&!" 0&'#0. #$%2'&'$% #! 02I/2VB -I/V H"+" 2I/2V +"6+" "%& 0 '%#+" "%&0. #$%2 #&0%#" 0%2 %"*0&' " ( I/V) +"6+" "%&'% &0%&0%"$ #$%2 #&0%#" T!" "7 0&'$% +"6+" "%& &!" #$%2'&'$% $+ 0 ' 6$ "+ T!"I%#+" "%&0. C$%2 #&0%#" " 0 "0+#! &"#!%'7 " &!0& #!0%*" 0 +" "+"%#" $+ 2 & +0&'$

T!" ." & 6$+&'$% $ &!" PV # + " !0 0 6$ '&' " .$6" H"+" &!" I%#+" "%&0.#$%2 #&0%#" *+"0&"+ &!0% '% &0%&0%"$ #$%2 #&0%#" I 0 6$'%& #$++" 6$%2'%* &$ 6$ "+ .'"0% !"+" '% &!" ." & 6$+&'$% $ PV # + ", &!" $.&0*" !$ .2 '%#+"0 " &$ +"0#! 0 '

6$ "+ 6$'%& T!" .$#0. .&'6." 0 ' 0 ' $%" $ &!" "+'$ 0 "#& 60+&'0. !02'%* T!"+" $+"'%#+" "%&0. #$%2 #&0%#" 0.*$+'&! 0'. &$ '%2 &!" 0 ' 6$ "+ I& ' 2' '# .& &$ '%2 $ &&!" 0 ' 6$ "+ 6$'%& +$ &!" % "+ $ 2' "+"%& .&'6." .$#0. 0 ' 0 T$ $. " &!'

6+$ ." D- ""6 &"#!%'7 " ' **" &"2 '&! '%#+" "%&0. #$%2 #&0%#" 0.*$+'&!T!" ""6' 0+'"2 +$ D '% &$ D 0 2 +'%* '%'&'0. &"6 A &"+ &!" ""6, &!" '%#+" "%&0.#$%2 #&0%#" MPPT $+: " "#&' ".

4 VOLTAGE MODE CONTROL

T!" +"7 '+" "%& $ DC *+'2 $.&0*" ' 4>>V &!" $ &6 & $ &!" #$% "+&"+ ' "2 &$ &!" DC

'#+$*+'2 T!" "."#&+'#0. "%"+* #0% 2'+"#&. &0:" +$ &!" DC '#+$*+'2 90&&"+ &0%: &$+"&!" " #" "%"+* 0 0'.0 ." +$ &!" S$.0+ PV 60%".

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PROPOSED GRID CONNECTED PV SYSTEM

5 DESIGN OF PROPOSED SYSTEM

T!" 6+$6$ "2 &" 66$+& DC '#+$*+'2 066.'#0&'$% 2'+"#&. T!" PV 60%". #060#'&$ &!" 6+$6$ "2 &" ' =5>W DC *+'2 $.&0*" +"7 '+" "%& ' 4>>V T!" '%6 & $.&0*"0 0'.0 ." +$ &!" PV 60%". 0+'" +$ 3>-4>V T!" &" 60+0 "&"+ 0+" *' "% ".$ '%&!" &0 ." 1;

F .. PV $ &6 & 6$ "+ 0 0'.0 ." =5>WA 0'.0 ." '%6 & $.&0*" '%' 3>V

O &6 & $.&0*" 4>>VS '!'%* +"7 "%# 5>:H8

T!" &" 60+0 "&"+ 6"#' '"2 !"+" 0+" '&0 ." $+ $&! ' .0&'$% 0%2 !0+2 0+"' 6." "%&0&'$% T!" MATLA9/S' .'%: &$$. ' "2 $+ ' .0&'$% 0%0. ' T!" 2" '*% $#$% "+&"+ 60+0 "&"+ 0+" '%#. 2"2 '% &!" &0 ." =;

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T!" T0 ." 3 *' " &!" #0.# .0&'$% $ ."0:0*" '%2 #&0%#" '% &!" #$ 6."2 '%2 #&$+ T!"#0.# .0&'$% $ '!"2 #060#'&$+ 0 "2 $% &!" "& $ "7 0&'$% !$ % '% &!" T0 ." 3 T!"

'!"2 #060#'&$+ !0 " 0 '&0. +$." '% '%#+"0 '%* &!" $.&0*" *0'% 6 &$ => &' "

T!" 2" '*% $ '!"2 #060#'&$+ ' #+ #'0. '% &!" #0 " $ !'*! &"6 6 $.0+ 6$ "+#$% "+&"+ C= 0%2 C3 0+" &!" '!"2 #060#'&$+ T!" 2" '*% $ #060#'&$+ ' " 6.0'%"2 '%T0 ." 4

T!" 2'$2" D1, D=, D3 0%2 D4 0+" "."#&"2 0 "2 $% &!" $.&0*" 0%2 6$ "+ +0&'%*

MUR 15 > ' '&0 ." $+ &!" 6+$6$ "2 &" T!" #$ 6$%"%& "."#&'$% ' .' &"2 '% &!"T0 ." 5 0%2 T0 ."

SIMULATION RESULTS

MATLA9/S' .'%: "% '+$% "%& ' "2 $+ &!" ' .0&'$% $ &!" 6+$6$ "2 &"M$2"."2 0%2 0%0. 8"2 &!" PV 60%". '%* &!" MATLA9 ' .0&'$% M0'%. #$% "+&"+ 60+&' #$%#"%&+0&"2 $+ &!" !$." &" I%#+" "%&0. #$%2 #&0%#" MPPT ' "+' '"2 '% &!" !$."

&" 0%2 &!" &+0#:'%* !0 "+' '"2 T!" ' .'%: $2". ' !$ % '% &!" %" & '* +";

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O &6 & V$.&0*" $ S$.0+ P$ "+ C$% "+&"+

T!" $ &6 & $.&0*" $ &!" $.0+ 6$ "+ #$% "+&"+ $ &0'%"2 ' 4>>V !'#! ' !$ % '% &!"'* 14 T!" '%6 & $.&0*" ' 0+'"2 +$ =>V &$ 4>V I%6 & # ++"%& +0%*" +$ A &$ A

O &6 & # ++"%& +0%*" +$ > 5A &$ > A T!" $ &6 & $ &!" S$.0+ P$ "+ C$% "+&"+ ' "2 &$&!" DC *+'2 DC *+'2 $.&0*" ' 0'%&0'%"2 &$ 4>>V '%* V$.&0*" $2" #$%&+$. S$ &!0&$ &6 & $.&0*" :""6 4>>V, !0&" "+ &!" '%6 & $.&0*" T! 0'%&0'% &!" &0 '.'& $ &!"

&"

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E '#'"%# $ &!" S$.0+ P$ "+ C$% "+&"+

T!" 6+$6$ "2 #$% "+&"+ #0% $$ & &!" $.&0*" &$ 0 !'*! $.&0*" ." ". '&!$ & .$ '%* &!"$ "+0.. " '#'"%# T!" 0'% +"0 $% $+ '%#+"0 '%* &!" $ "+0.. " '#'"%# ' $6&' '80&'$% D "

&$ $6&' '80&'$% $&! &!" '!'%* .$ " 0%2 $.&0*" &+" ' +"2 #"2 6 &$ 0 .' '&D" '%'&". , &!" DC '#+$*+'2 #0% " &'.'8"2 $+ 0+'$ 066.'#0&'$% #! 0 UPS 66$+&,"."#&+$%'# .'*!&'%* "

SOLAR PV POWER CONVERTER AND I-V CHARACTERI ATION E


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S$.0+ A++0 I-V C!0+0#&"+'80&'$% '%* R" ' &' " L$02;

I% &!' " 0 6.", 0 PV 0++0 ' $2"."2 '% M .&' ' '&! &!" +" ' &0%#" #$%&+$.."2 L0 VIEW T!" L0 VIEW #$- ' .0&'$% 066.'#0&'$% ""6 &!" 60%". +$ !$+& #'+# '&&$ $6"% #'+# '& #$%2'&'$% !'." +"#$+2'%* 0% 0++0 $ $.&0*" 0%2 # ++"%& 20&0

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S$.0+ PV 9$$ & C$% "+&"+ '&! M0 ' P$ "+ P$'%& T+0#:'%*

I% &!' " 0 6." 0 $.0+ PV $$ & #$% "+&"+ #'+# '& ' $2"."2 '% M .&' ' 0%2 &!" ' "

A%0.$* RCC M"&!$2 ' "2 $+ 0 ' 6$ "+ 6$'%& &+0#:'%* N$&" &!0& &!" ' "2 6$'%& "+ '$% $ &!" 0.*$+'&! %""2 $+:

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S$.0+ PV S'%*." P!0 " G+'2 T'"2 I% "+&"+ C$%&+$.."+;

I% &!' " 0 6.", 0 $.0+ PV 0++0 ' #$%%"#&"2 &$ 0 .. +'2*" 6$ "+ #$% "+&"+#$%&+$.."2 L0 VIEW FPGA

CONCLUSIONS

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

066.'#0&'$% 0%2 '& '.. " $%" $ &!" &0'%0 ." 2" ".$6 "%& '% &!" "%"+* '".2

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Solar Power Converter