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7/23/2019 Design study of a stand-alone hydrogen production system powered by photovoltaics and assisted by batteries wi
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omkrlislsij`fstprfpfrtofmijjywotb tblimmuij tftijrihoitofmrlklovlh. [tuhyijsf
afkuslhlsplkoijjyfmtblkfstfabyhrfclmprfhuktofmkfmhuktomctwfkislstuholsafr
prlslmtimhauturlkfstkfmhotofms.Tlsujtssbfwlhtbittblfvlrijjsystl`laaokolmky
virolsarf`?.;8%tf2.18%wbojlikfmkjusofmwistbitaurtblrkipotijkfstrlhuktofm
osmllhlhafrvoidojotyfatblsystl`.
Aocurl8 IkfrrljitofmafrbyhrfclmkfstafraoxlhimhsumtrikeomcpimljsU94P.
Fmtblftblrbimh,[email protected]`ujitofmafrikf`pjltl
sfjirbyhrfclmprfhuktofmsystl`idjltfrlauljtwfauljkljjduslsU98P.Xfmftokltbit
idittlrysystl`osomkjuhlh,bfwlvlr,gustafrtblpfwlromcfaftblrtbimljlktrfjyslr
hlvokls.Xblsozomcfa tblsystl`wisdislhfmrlisfmidjlslqulmklfaissu`ptofms
wbojlimlkfmf`okisslss`lmtwisijsfkfmhuktlh.Iso`ujitofmfatblsystl`kirrolh
futimhotwisrlikblhtftblaikttbittblsozomcwissukklssaujistblrljoidojotyfatbl
systl` tffe vijuls it tbl lxplktlh rimcl. Ljlktrfjyslr wis ijjfwlh tf fplritl om i
wohlrimclfapfwlr omput.Aurtblr`frl,hoaalrlmtijtlrmitovlsfasystl`hlsocmsukb
istblkfmmlktofmfa^Qtftblcrohwlrlomvlstocitlh.Lvlmtbfucbtbittblkijkujitofm
fa tbl tftijsystl`kfst osmfthlskrodlh, otwis afumh tbit tblbyhrfclmprfhuktofm
kfstafrimiutfmf`fusstitofmirysystl`os9.>1/M`;.Xblstuhykfmkjuhlhtbitit
tbit to`l (4>>;) om frhlr tbl omvlst`lmt tf dl lvlm `frl ittriktovl, cfvlrm`lmt
sudsohols, plrafr`imkl o`prfvl`lmt imh kfst rlhuktofm fa tbl tlkbmfjfcols irl
rlquorlh.
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4>
Xf su`up, so`ujitofmstuholshlijomclxkjusovljywotbbyhrfclmprfhuktofm systl`s
pfwlrlh dy ^Q irl vlry jo`otlh imh mft rlklmt. Ijsf, sozomc `ltbfhs dislh fm
mu`lrokij fpto`ozitofms fa tbl systl` wlrl mft mftoklh. Xf pfomt fut, tbit splkoij
kfmsohlritofms idfut tbl ljlktrfjyslr fplritofm bivl mft dllm tielm huromc tbl
`fhljshlvljfp`lmt.Aomijjy,kfmklrmsidfuttblrljoidojotyfatblsystl`wlrlafumh
omfmjyfmlstuhyU98P,duttbllaalkttbitbisfmtblsozomcimhplrafr`imklaliturls
fatblsystl`wismftomvlstocitlh.
;.4. HOTLKX KF\^JOMC FA ^Q IMH LJLKXTFJ_[LT
@FHLJOMC&LR^LTO@LMXIJTL[\JX[.
Xblkfmklptfahorlktkfupjomcfaimljlktrfjyslrimh^Qbisdllmhoskusslhdy`imy
iutbfrs rlklmtjy U
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^iujimhImhrlws omvlstocitlhtblpfssodojotyfahorlktjykfupjomcdltwllmi^Qirriy
imhprftfmlxkbimcl`l`driml (^L@)ljlktrfjyslr U92P.[tuhyomc tblkbiriktlrostoks
fakf``lrkoijhlvoklsfatbltwftlkbmfjfcolsimhslvlrijkf`domitofms,tblylmhlh
uptfimfpto`ijkfmaocuritofmfaslrolspirijjljkfmmlktofmmftfmjyfa^Qpimljsdut
ijsf^[email protected],issbfwmomAocurl
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pfwlrlh dy tbl croh imh dittlrols. Im ivlricl hiojy sfjir tf byhrfclm lmlrcy
laaokolmkyfa2.
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4;
Aurtblr`frl, om i `frl rlklmt wfre i `fhlj hlvljfplh afr tbl prlhoktofm fa tbl
laaokolmky fa dftb systl`s U9?P. @fhljomc rlsujts sbfwlh bocb jlvlj fa ikkuriky
kf`piromctflxplro`lmtij`lisurl`lmts.Otwispfomtlhfuttbitkfmmlktofmtbrfucb
HK/HKkfmvlrtlr`ihltblsystl`kipidjltfprfhuklbyhrfclmhuromckjfuhyplrofhs
wblm horlkt kfupjlh systl` stfp tf fplritl. Blmkl, i ^Qljlktrfjysos systl` tbit
ijjfws dftb horlkt imh omhorlkt kfupjomc hlplmhomc fm tbl wlitblr kfmhotofms dy
omkjuhomc ihgustidjl HK/HK kfmvlrtlrs imh swotkbls os succlstlh is tbl dlst fptofm
U9?P.
Kjirelltij.ijsfstuholhtblipprfikbfahorlktkfupjomcfaljlktrfjyslrimh^Qirriy,
hl`fmstritomcto`llxtlmhlhlxplro`lmtsumhlrstrfmcjyviroidjlkfmhotofmsU1P.Xbl
`iomkfmkjusofmfatblpiplr,wbokbosso`ujtimlfusjyimossultbitwismfttielmomtf
ikkfumtdy tblprlvofus stuhols,wis tbit tbl plrafr`imklfa tblljlktrfjyslr stike
hlcrihlhiatlrtblaorstaovlhiysfatblvlrylirjysticlsfatbllxplro`lmt(Aocurl2).
Xbl wohljy viroidjl pfwlr omputs is wljj is tbl omipprfproitl stike hlsocm wlrl
tbfucbttfdlfmlfatblpfssodjlkiuslsafrtbosripohhlcrihitofm.
Aocurl2 @lisurlhstikeQOimhlaaokolmkyomotoijjy(jlat)imhfvlr
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Omihhotofm,Irroiciltijipprfikblhtblhorlktkfupjomcfaikf``lrkoijljlktrfjyslr
wotbimipprfproitlkfmaocuritofmfa^QpimljsU4>P.Xblkf`pirosfmdltwllmkurrlmt
vfjticl kbiriktlrostoks sbfwlh tbit laaokolmt lmlrcy trimsalr kim dl kfmhuktlh
dltwllm1>>2>>S/`4
farihoitofm,[email protected]
om ftblr stuhy U1P, tbl splkoaok rlslirkb jikes fa quimtotitovl rlsujts idfut lmlrcy
trimsalrimhijsftlstomcplrofhosmft`lmtofmlh.
@frlfvlr, i `fhlj dislh fm lxplro`lmtij rlsujts bis dllm hlvljfplh afr tbl
prlhoktofmfatblplrafr`imklfahorlktkfupjlhsfjirbyhrfclmsystl`U49P.Bfwlvlr,
tblfvlrijjlaaokolmkyikbolvlhwisidfut
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41>`omutlstfdlidjl
tfstirtupiciomU3P.Ljlktrfjyslrstirtupsbfujhdlafjjfwlhdyislrolsfa
rlquorl`lmtswbokblmsurlotsfplritofmtfdl`iomtiomlhafrito`lplrofh
imhisuhhlmstfpmfttfdlkiuslh.Hultfviroidjlmiturlfasfjirlmlrcy,
crohissostimklfrisbfrttlr``limsfalmlrcystfriclwfujhdlrlquorlh
afr pfwlromc tbl ljlktrfjyslr om kisl fa omsuaaokolmt lmlrcy prfhuktofm dy
^QU2P. @omo`ozitofm fa ljlktrfjyslr kykjls sbfujh dl im ossul afr sfjir
byhrfclmsystl`s.
OmikfupjomctbrfucbHK/HKkfmvlrtlr,`ixo`u`laaokolmkyfatblkfmvlrtlr
kimdlikbolvlhomivlrymirrfwrimclfapfwlrmlirotshlsocmpfomtU2P.Is
i rlsujt, tblpfwlrslmt tf tblljlktrfjyslr sbfujhdl jlvljlhdy`limsfa
lmlrcy stfricl it tbl hlsocmlh rimcl fa HK/HK kfmvlrtlr afr tbl pfwlr
jfsslsljo`omitofm.
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Fvlrijj,otkimdlkfmkjuhlhtbitomhlplmhlmtjytftblljlktrfjyslrtyplimhtblmiturl
fa kfupjomc, pfwlr omput sbfujh viry om mirrfw jo`ots mlir tbl hlsocm pfomt fa tbl
ljlktrfjyslr,sf`ixo`u`vijulsfalaaokolmkytfdlikbolvidjlafrtbl jfmclstplrofh
pfssodjlimh`ijaumktofms tfdlivfohlh.Arf` tbitpfomtfavolw, stimhijfml sfjir
byhrfclm systl`s kim dl rljoidjl fmjy om kisl tbit sbfrttlr` lmlrcy stfricl, joel
dittlrols, os omkjuhlh tf kfvlr tbl hlaokot fa pfwlr iviojidjl kf`piromc tf ij`fst
kfmstimt pfwlr hl`imh. Aomijjy, ljlktrfjyslr fmfaa swotkbomc kim dl ljo`omitlh is
pfwlr iviojidojoty wfujh mft dl rljolh fmjy fm im umprlhoktidjl imh omtlr`ottlmt
lmlrcysfurkl.
;.8. SI_[XFFQLTKF@LKF\^JOMCJO@OXIXOFM[
Isimijyzlh omtblprlvofusslktofm,imisstidjlispfssodjlimhmlirtftblmf`omij
fplritofm oshlsorlh afr tblljlktrfjyslr.[ukbikfmhotofmkimmftdlsitosaolhdy tbl
lxkjusovlpfwlromcdy^Qhultftblorviroidojotyfalmlrcyprfhuktofm.Isfjutofmostf
kf`doml ^Q wotb omput arf` tbl croh U2P. Ljlktrfjyslr fplritofm it hlsocm pfomt,
omkrlisl fa ljlktrfjyslr kipikoty aiktfr, imh lkfmf`oks o`prfvl`lmt wfujh dl tbl
ihvimticlsfatbosipprfikb. Bfwlvlr,wblmcrohosmftiviojidjlimhtblfdglktovlfa
tbl ipprfikb os tf prfhukl tftijjy zlrf l`ossofms byhrfclm, i sbfrt tlr` lmlrcy
stfriclsystl`,isdittlrolsirl,wfujhdlimijtlrmitovlfptofm.
Aocurl? LjlktrfjyslrkykjlsvsBystlrlsosimhstitlfakbirclfadittlryU?P
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XblomkfrpfritofmfaidittlrywisipprfikblhomBirOprfglktwblrltblplrafr`imkl
fa i systl` rlmlwidjlbyhrfclm systl` wis stuholh U?P. Xbl pfstpfml`lmt fa
ijeijomlljlktrfjyslr(;8eS)plrafr`imklhlcrihitofmhultfripohviroitofmfalmlrcy
prfhuktofm dy womh turdomls wis tbl rlisfm afr dittlrols omstijjitofm. Ihvimkl
dittlrols wlrl uslh tf kipturl plies imh trfucbs fa lmlrcy prfhuktofm. Om tbos
ippjokitofm, ljlktrfjyslr fplritofm os hltlr`omlh dy tbl dittlry stitl fa kbircl.
Ljlktrfjyslrkimfplritlwblm tblkbirclfadittlry osdltwllmimupplrimh jfwlr
jlvlj (bystlrlsos). [ystl` so`ujitofm rlsujtlh tbit tbl jirclst tbl bystlrlsos tbl jlss
ljlktrfjyslr kykjls mftoklh (Aocurl ?). Fpto`ozitofm sbfwlh tbit ljlktrfjyslr kykjls
wlrl`omo`ozlhusomcstitlfakbirclkfmtrfj.
Xbllaalkt tbitpfwlr`imicl`lmt stritlcybisfm tblplrafr`imklfastimhijfml
systl`swblrlrlmlwidjllmlrcysfurklsomkfrpfritlwotbljlktrfjyslr,auljkljjsimh
dittlrols tfkfvlr tblhl`imhfai jfih,bisdllm omvlstocitlh U9>,99P. Opsieosltij
hlvljfplh imh kf`pirlh tbllaalktfa tbrllhoaalrlmtpfwlrkfmtrfj stritlcols.Xbl
rlhuktofm omikku`ujitfrkykjlsimh tblivfohimklfa arlqulmtljlktrfjyslrstirtups
wlrl fdglktovlsfa tbl stuhy U99P. Xbllaalkt fa`omo`u`ijjfwidjldittlry stitl fa
kbircl fm tbl systl` plrafr`imkl wis fml fa tbl piri`ltlrs. Afkusomc fm tbl
ljlktrfjyslr dittlry kffplritofm, ot wis lmhlh up tbit wblm tbl sfjir rihoitofm os
omsuaaokolmt, dittlry sbfujh issost tbl ljlktrfjyslr pfwlromc sf tf fplritl it ots
`omo`u`imhhltlr otarf`suhhlmstfps.[tritlcolswblrlljlktrfjyslrwispfwlrlh
sfjljy dy rlmlwidjl lmlrcy sfurkls kfujh mft cuirimtll tbl s`fftb fplritofm fa
ljlktrfjyslr dlsohls tbl bocblst byhrfclm prfhuktofm rlsujtlh. Iutbfrs rlkf``lmh
tbldittlryissostimkltftblljlktrfjyslrpfwlromcafromstijjitofmsomirlisfamftbocb
sfjirpftlmtoijisivoidjlfptofm.
\jjldlrchlvljfplhi`fhlj afr tblso`ujitofmfaikf`pjltl^QB4systl`wbokb os
vlroaolhdytblfplritofmfa^BFLD\[pjimtomClr`imyU9>P.Xblio`fatblpiplrostf
omvlstocitltblhl`fmstritofmtblfapfwlrkfmtrfjstritlcolsomsukbsystl`s. Xftbos
horlktofm, tbl kf`pirosfm dltwllm ljlktrfjyslr fplritofm umhlr kfmstimt imh mft
wohljy viroidjl kfmhotofms wis kfmhuktlh. [ystl` so`ujitofm sbfwlh tbit viroidjl
fplritofm fa tbl ljlktrfjyslr ihvimkls fvlr aoxlh `fhl hul tf tbl aikt tbit dlttlr
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systl`plrafr`imkl,jlssljlktrfjyslrstirtups,`frlrumto`lafrtblljlktrfjyslrimh
rlhuktofm om dittlry usl rlsujtlh. Bfwlvlr, ot `ust dl kf``lmtlh tbit ot wis mft
hlskrodlhbfwstlihyfplritofmfaljlktrfjyslrwisipprfikblh.Ijsf,hultftblaikt
tbit systl` fdglktovl os tf prfvohl ljlktrokoty tf i jfih, ljlktrfjyslr fplritofm os
tbfucbttfdlslisfmij.Isirlsujt,ljlktrfjyslrumhlrcflsfmjy aivfridjlkfmhotofms
huromc tblsu``lr.Iutbfrsucclsts, aomijjy, tbiti tlkbmflkfmf`okfpto`ozitofmfa
tblsystl`tieomcomtfikkfumtdftbsystl`hlsocmimhkfmtrfjstritlcyosmlklssiry.
Xfkfmkjuhltbit,pfwlr`imicl`lmtstritlcols afrtblljlktrfjyslrfplritofmdislh
fm tbl dittlry stitl fa kbircl bis dllm mftoklh om tbl jotlriturl. Om tblsl stuhols,
systl`sirl`ukb`frlkf`pjlx,usomcbyhrfclmis jfmctlr`stfriclimhmftisi
prfhukt. Xbl irli fa sfjir byhrfclm prfhuktofm systl`s jikes fa omvfjvomc kfmtrfj
stritlcyomtblhlsocmfatblsystl`.Bfwlvlr,kfmkjusofmsimhohlisidfuttblpfwlr
`imicl`lmt stritlcy kim dl uslh is rlalrlmkl imh aottlh om i sfjir byhrfclm
prfhuktofmskbl`l.
;.
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4?
Hlsocm stuhols idfut sfjirbyhrfclm prfhuktofm systl`s uslh is
iutf`ftovlsrlauljomcstitofmsirlvlryjo`otlhimhmftsfrlklmt.
Mfml fa tbl krfsslh stuhols omvlstocitlh bfw rljoidojoty fa tbl systl`
omajulmklstblsystl`sozomcimhplrafr`imklomhokitfrs.
[ystl` sozomc dislh fm mu`lrokij tlkbmflkfmf`ok fpto`ozitofms bis mft
dllmmftoklhomtbljotlriturl.
^fwlrkfmtrfj stritlcy os mft omkjuhlh om stuhols rljitlh tfhlsocm fa sfjir
byhrfclmsystl`s.
Isotkimdlmftoklhjitlr,jotlriturlrlvolwkfmkjusofmshorlkttbl`ltbfhfjfcyimhtbl
fdglktovls
fa
tbl
prlslmt
hosslrtitofm.
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8. @FHLJHL[KTO^XOFM
8.9. OMXTFH\KXOFM
Xbl prlslmt kbiptlr os hlvftlh tf tbl hlskroptofm fa tbl `fhlj hlvljfplh afr tbl
lmlrcyso`ujitofmfaistimhijfmlljlktrfjysossystl`pfwlrlhdypbftfvfjtioksimh
issostlhdydittlrols.Kfhlhlvljfp`lmtkfmhuktlhusomc@itjidsfatwirliswljjis
tblfpto`ozitofmfaottbittffepjiklippjyomctbl@itjidFpto`ozitofmXffjdfx(@FX).
Omclmlrij,`fhljipprfikblstblfplritofmfaisplkoaoksozlhsystl`omlmlrcytlr`s
wbojl im lkfmf`ok lvijuitofm fa ot kim ijsf dl lxpfrtlh usomc l`porokij lkfmf`ok
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Xbl`fhljoskfmsostlhdy;`iompirts.Ittblaorstpirt,tblhitirlquorlhafrtblkfhl
rumirlstitlh.Blmkl,dftbviroidjlsimhkfmstimthiti afr tblsystl`kf`pfmlmts
`ustdlprfvohlh.[udsystl`s(^Q,dittlrols,ljlktrfjyslrimhbyhrfclmstfricltime)
sozl imh ftblr systl` aliturls sukb is mu`dlr fa iutf`ftovls rlauljlh, `omo`u`
hiojy ljlktrfjyslr fplritofm irl kfmsohlrlh is `fhlj viroidjls. Xbl vijuls fa tblsl
piri`ltlrs irl hlaomlh dy tbl uslr `imuijjy. Tlcirhomc tbl kfmstimt hiti, sf`l
typokij vijuls wlrl issu`lh afr `icmotuhls mllhlh afr tbl `fhljomc fa likb
kf`pfmlmt.Aurtblr`frl,mu`lrokijkfhlijsfbisisomputisfjirhitito`lslrolsfa
9bfurto`lstlpwbokb osuslhafrtblkijkujitofmfabfurjy^Qlmlrcyprfhuktofmdy
tblsplkoaoksozlhpimljs.^Qlmlrcyprfhuktofmimhftblrbfurjyviroidjl`icmotuhls
sukbistbldittlrystitlfakbirclimhbyhrfclmstfricltimestitlfaaujaojj`lmtirl
uslhafrpfwlr`imicl`lmtstritlcyo`pjl`lmtitofm.Ittblslkfmhpirt,tblsystl`
fplritofm stritlcy, tblblirtfa tbl`fhlj, oshlvljfplh. Xblpfwlrkfmtrfj osfa
socmoaokimt o`pfrtimkl afr tbl systl` fplritofm is ot sbfujh dl idjl tf kbffsl tbl
`fst laaokolmt rfutl tf lxpjfot tbl lmlrcy prfhuklh dy tbl ^Q pimljs, kfmarfmtomc
so`ujtimlfusjy wotb tbl ljlktrfjyslr fplritofm jo`otitofms tbit `lmtofmlh it tbl
jotlriturl rlvolw. Ippjyomc tbl stritlcy afr likb to`l stlp, rlsplktovl fplritofm
`icmotuhlsirlrlsujtlhafrlikbsystl`kf`pfmlmt.
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Aomijjy, iatlr rlpltotofms tbit kfrrlspfmh tf 9 ylir plrofh (231> b), su``irozlh
`icmotuhlsimhplrafr`imklomhokitfrs,sukbistblimmuijbyhrfclmprfhuktofmimh
tblimmuijumlxpjfotlhlmlrcy (lmlrcy rlglktofm arf`mfwfm),irllsto`itlhimh
kim dl uslh afr splkoaokho`lmsofmlh (ikkfrhomc tf viroidjl piri`ltlrs) systl`
lvijuitofm. Om ihhotofm, issu`omc mf prlkosl dut ivlricl splkoaok kipotij imh
fplritofmijkfstsafrlvlryhlvokl,systl`kfstkimdllsto`itlhdislhlotblrfmtbl
viroidjl piri`ltlrs fr tbl su``irozlh plrafr`imkl `icmotuhls. Is i rlsujt,
lkfmf`oklvijuitofmfa tblsystl`kimdlijsf o`pjl`lmtlh,kijkujitomc tblsplkoaok
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7/23/2019 Desi