Iingxaki eziqhelekileyo kunye nokulungiswa kweemodyuli ze-photovoltaic

——Iingxaki Eziqhelekileyo Zebhetri

Isizathu sokuqhekeka okufana nenethwekhi kumphezulu wemodyuli kukuba iiseli zixhomekeke kwimikhosi yangaphandle ngexesha le-welding okanye yokusingatha, okanye iiseli zibonakaliswe ngokukhawuleza kumaqondo okushisa aphezulu kumaqondo aphantsi ngaphandle kokushisa kwangaphambili, okubangelwa ukuqhekeka.Ukuqhekeka kwenethiwekhi kuya kuchaphazela amandla okunciphisa imodyuli, kwaye emva kwexesha elide, i-debris kunye neendawo ezishushu ziya kuchaphazela ngokuthe ngqo ukusebenza kwemodyuli.

Iingxaki zomgangatho wokuqhekeka komnatha kumphezulu weseli zifuna ukuhlolwa ngesandla ukufumanisa.Nje ukuba iintanda zomnatha womphezulu zivele, ziya kubonakala ngomlinganiselo omkhulu kwiminyaka emithathu okanye emine.Iintanda ze-reticular kwakunzima ukuzibona ngeso lenyama kwiminyaka emithathu yokuqala.Ngoku, imifanekiso eshushu idla ngokuthathwa yi-drones, kwaye umlinganiselo we-EL wamacandelo aneendawo ezishushu uya kubonisa ukuba iintanda sele zenzekile.

I-cell slivers ngokuqhelekileyo ibangelwa ukusebenza okungafanelekanga ngexesha le-welding, ukuphathwa kakubi ngabasebenzi, okanye ukungaphumeleli kwe-laminator.Ukungaphumeleli kwenxalenye yezilayidi, ukunciphisa amandla okanye ukungaphumeleli ngokupheleleyo kweseli enye kuya kuchaphazela ukuncipha kwamandla emodyuli.

Uninzi lweefektri zemodyuli ngoku zineemodyuli ezisikiweyo eziphezulu zamandla, kwaye ngokuqhelekileyo ukuthetha, izinga lokuphulwa kweemodyuli zokusika isiqingatha ziphezulu.Okwangoku, iinkampani ezintlanu ezinkulu nezine ezincinci zifuna ukuba iintanda ezinjalo azivumelekanga, kwaye ziya kuvavanya icandelo le-EL kwiikhonkco ezahlukeneyo.Okokuqala, vavanya umfanekiso we-EL emva kokuhanjiswa kwifektri yemodyuli ukuya kwindawo ukuze uqinisekise ukuba akukho ziqhekeza ezifihliweyo ngexesha lokuhanjiswa kunye nokuthuthwa kwefektri yemodyuli;okwesibini, ukulinganisa i-EL emva kofakelo ukuqinisekisa ukuba akukho zintanda ezifihliweyo ngexesha lofakelo lobunjineli.

Ngokuqhelekileyo, iiseli ezisezantsi zixutywe kwizinto ezikumgangatho ophezulu (ukuxuba izinto eziluhlaza / izinto zokuxuba kwinkqubo), ezinokuchaphazela ngokulula amandla onke amacandelo, kwaye amandla amacandelo aya kubola kakhulu ngexesha elifutshane. ixesha.Iindawo ze-chip ezingasebenzi kakuhle zinokudala iindawo ezishushu kunye nezinto ezitshisayo.

Ngenxa yokuba umzi-mveliso wemodyuli ngokubanzi wahlula iiseli kwiiseli ezili-100 okanye ezingama-200 njengomgangatho wamandla, azenzi iimvavanyo zamandla kwiseli nganye, kodwa zijonga indawo, eziya kukhokelela kwiingxaki ezinjalo kumgca wokudityaniswa okuzenzekelayo kwiiseli ezikumgangatho ophantsi..Okwangoku, iphrofayili edibeneyo yeeseli ingagwetywa ngokubanzi nge-imaging ye-infrared, kodwa ukuba umfanekiso we-infrared ubangelwa iphrofayili edibeneyo, ukuqhekeka okufihliweyo okanye ezinye izinto ezithintelayo zifuna uhlalutyo olongezelelweyo lwe-EL.

Imijelo yombane ngokubanzi ibangelwa kukuqhekeka kwiphepha lebhetri, okanye isiphumo sesenzo esidityanisiweyo se-electrode engalunganga yesilivere, i-EVA, umphunga wamanzi, umoya kunye nokukhanya kwelanga.Ukungahambelani phakathi kwe-EVA kunye nesilivere yokuncamathisela kunye nokungena kwamanzi aphezulu kwiphepha elingasemva nako kunokubangela imibane.Ukushisa okwenziwa kwipatheni yombane kwandisa, kunye nokwandiswa kwe-thermal kunye nokunciphisa kukhokelela ekuqhekekeni kwiphepha lebhetri, elinokuthi libangele kalula iindawo ezishushu kwimodyuli, ukukhawuleza ukubola kwemodyuli, kunye nokuchaphazela ukusebenza kombane kwimodyuli.Amatyala okwenene abonise ukuba naxa isikhululo samandla singasebenzi, imibane emininzi ibonakala kumalungu emva kweminyaka emi-4 yokuchaswa lilanga.Nangona impazamo kumandla ovavanyo incinci kakhulu, umfanekiso we-EL uya kuba mbi kakhulu.

Kukho izizathu ezininzi ezikhokelela kwi-PID kunye neendawo ezishushu, ezifana nokuthintela izinto zangaphandle, iintanda ezifihliweyo kwiiseli, iziphene kwiiseli, kunye nokubola okukhulu kunye nokuthotywa kweemodyuli ze-photovoltaic ezibangelwa iindlela zokumisa i-photovoltaic inverter arrays kwiqondo lokushisa eliphezulu kunye neendawo ezinomswakama bangela iindawo ezishushu kunye ne-PID..Kwiminyaka yakutshanje, ngotshintsho kunye nenkqubela phambili yetekhnoloji yemodyuli yebhetri, into ye-PID ibinqabile, kodwa izikhululo zamandla kwiminyaka yokuqala azikwazanga ukuqinisekisa ukungabikho kwe-PID.Ukulungiswa kwe-PID kufuna ukuguqulwa kwezobugcisa ngokubanzi, kungekhona kuphela kumacandelo ngokwawo, kodwa nakwi-inverter side.

-Iribhoni yeSolder, iiBhasi zeBhasi kunye neFlux yeMibuzo eQhwayo

Ukuba ubushushu be-soldering buphantsi kakhulu okanye i-flux isetyenziswe encinci okanye isantya sikhawuleza kakhulu, siya kukhokelela kwi-soldering yobuxoki, ngelixa ukuba ubushushu be-soldering buphezulu kakhulu okanye ixesha le-solder lide kakhulu, liya kubangela ukuthengiswa okungaphezulu. .Ukuthengiswa okungeyonyani kunye nokuthengiswa ngokugqithisileyo kwenzeka rhoqo kumacandelo aveliswe phakathi kuka-2010 no-2015, ikakhulu ngenxa yokuba ngeli xesha, izixhobo zendibano yemveliso yaseTshayina zaqala ukutshintsha ukusuka kumazwe angaphandle ukuya kwindawo, kunye nemigangatho yenkqubo yamashishini ngelo xesha. ukuthotywa Okunye, okukhokelela kumgangatho ophantsi wamacandelo avelisiweyo ngeli xesha.

I-welding engonelanga iya kukhokelela kwi-delamination yeribhoni kunye neseli ngexesha elifutshane, elichaphazela ukutshatyalaliswa kwamandla okanye ukungaphumeleli kwemodyuli;I-over-soldering iya kubangela umonakalo kwi-electrodes yangaphakathi yeseli, echaphazela ngokuthe ngqo ukuchithwa kwamandla kwimodyuli, ukunciphisa ubomi bemodyuli okanye kubangela i-scrap.

Iimodyuli eziveliswe ngaphambi kwe-2015 zihlala zinendawo enkulu ye-ribbon offset, edla ngokubangelwa kukumisa okungaqhelekanga komatshini we-welding.I-offset iya kunciphisa uqhagamshelwano phakathi kweribhoni kunye nommandla webhetri, i-delamination okanye ichaphazele ukuncipha kwamandla.Ukongeza, ukuba iqondo lobushushu liphezulu kakhulu, ukuqina kokugoba kweribhoni kuphezulu kakhulu, okuya kubangela ukuba iphepha lebhetri ligobe emva kwe-welding, okukhokelela kwiziqwenga zetshiphu yebhetri.Ngoku, ngokunyuka kwemigca yegridi yeseli, ububanzi beribhoni buba buncinci kwaye buncinci, obufuna ukuchaneka okuphezulu komatshini we-welding, kwaye ukuphambuka kweribhoni kuncinci.

Indawo yoqhagamshelwano phakathi kwebha yebhasi kunye ne-solder strip incinci okanye ukuxhathisa ukunyuka kwe-solder ye-virtual kunye nobushushu kunokubangela ukuba amacandelo atshise.Amacandelo athotywa kakhulu ngexesha elifutshane, kwaye aya kutshiswa emva komsebenzi wexesha elide kwaye ekugqibeleni akhokelela ekukhutsheni.Okwangoku, akukho ndlela esebenzayo yokuthintela olu hlobo lwengxaki kwinqanaba lokuqala, kuba akukho ndlela esebenzayo yokulinganisa ukuchasana phakathi kwebhasi yebhasi kunye ne-soldering strip ekupheleni kwesicelo.Amalungu atshintshiweyo kufuneka asuswe kuphela xa iindawo ezitshileyo zibonakala.

Ukuba umatshini wokuwelda ulungelelanisa ubungakanani benaliti ye-flux kakhulu okanye abasebenzi basebenzise i-flux eninzi ngexesha lokuphinda kusebenze, kuya kubangela ukutyheli kumda womgca wegridi oyintloko, okuya kuchaphazela i-EVA delamination kwindawo yomgca wegridi oyintloko. icandelo.Ipateni yombane amabala amnyama aya kubonakala emva kokusebenza kwexesha elide, okuchaphazela amacandelo.Ukubola kwamandla, ukunciphisa ubomi becandelo okanye kubangela ukuchithwa.

——I-EVA/Iinqwelo-moya Ebuzwa Rhoqo

Izizathu ze-EVA delamination zibandakanya idigri yokudibanisa engafanelekanga ye-EVA, into yangaphandle kumphezulu wezinto ezikrwada ezifana ne-EVA, iglasi, kunye neshiti elingasemva, kunye nokwakheka okungalinganiyo kwezinto eziluhlaza ze-EVA (ezifana ne-ethylene kunye ne-vinyl acetate) engenakho. zinyibilike kumaqondo obushushu aqhelekileyo.Xa indawo ye-delamination incinci, iya kuchaphazela ukungaphumeleli kwamandla aphezulu kwimodyuli, kwaye xa indawo ye-delamination inkulu, iya kukhokelela ngokuthe ngqo ekungaphumelelini kunye nokuchithwa kwemodyuli.Nje ukuba i-EVA delamination yenzekile, ayilungiseki.

I-EVA delamination iqhelekile kumacandelo kwiminyaka embalwa edlulileyo.Ukuze kuncitshiswe iindleko, amanye amashishini anedigri yokudibanisa i-EVA eyaneleyo, kwaye ubukhulu behla ukusuka kwi-0.5mm ukuya kwi-0.3, 0.2mm.Umgangatho.

Isizathu esiqhelekileyo samaqamza e-EVA kukuba ixesha lokucoca i-laminator lifutshane kakhulu, iqondo lokushisa liphantsi kakhulu okanye liphezulu kakhulu, kwaye kuya kuvela amaqamza, okanye ingaphakathi lingacocekanga kwaye kukho izinto zangaphandle.Amaqamza omoya amacandelo aya kuchaphazela ukuchithwa kwe-EVA backplane, okuya kuthi kukhokhelele ngokunzulu ekuchithweni.Olu hlobo lwengxaki ludla ngokuvela ngexesha lokuveliswa kwamacandelo, kwaye lunokulungiswa ukuba luyindawo encinci.

Ukutyheli kwemichilo yokugquma kwe-EVA ngokuqhelekileyo kubangelwa kukuvezwa kwexesha elide emoyeni, okanye i-EVA ingcoliswe yi-flux, utywala, njl.Okokuqala, inkangeleko engalunganga ayimkelwa ngabathengi, kwaye okwesibini, inokubangela i-delamination, okukhokelela kubomi obufutshane becandelo.

——Ii-FAQ zeglasi, i-silicone, iiprofayili

Ukuchithwa koluhlu lwefilimu kumphezulu weglasi egqunyiweyo ayinakuguqulwa.Inkqubo yokwambathisa kumzi-mveliso wemodyuli inokunyusa ngokubanzi amandla emodyuli nge-3%, kodwa emva kweminyaka emibini ukuya kwemithathu yokusebenza kwisikhululo samandla, umaleko wefilimu kumphezulu weglasi uya kufunyanwa uwile, kwaye uya kuwa. ukucima ngokungalinganiyo, okuya kuchaphazela ukuhanjiswa kweglasi kwimodyuli, ukunciphisa amandla emodyuli, kwaye kuchaphazele isikwere sonke sokuBursts kwamandla.Olu hlobo lokuthomalalisa ngokuqhelekileyo kunzima ukulubona kwiminyaka embalwa yokuqala yokusebenza kwesikhululo samandla, kuba impazamo yesantya sokuthomalalisa kunye nokuguquguquka kwemitha ayinkulu, kodwa ukuba ithelekiswa nesikhululo samandla ngaphandle kokususwa kwefilimu, umahluko kumandla. isizukulwana sisenokubonakala.

Amaqamza e-Silicone abangelwa ikakhulu ngamaqamza omoya kwizinto zokuqala ze-silicone okanye uxinzelelo lomoya olungazinzanga lompu womoya.Esona sizathu siphambili sezithuba kukuba indlela yabasebenzi yokuncamathelisa ayifani.I-Silicone ngumaleko wefilimu enamathelayo phakathi kwesakhelo semodyuli, i-backplane kunye neglasi, ehlukanisa i-backplane emoyeni.Ukuba itywina aliqinile, imodyuli iya kuchithwa ngokuthe ngqo, kwaye amanzi emvula aya kungena xa kunetha.Ukuba i-insulation ayinelanga, ukuvuza kuya kwenzeka.

I-deformation yeprofayili yesakhelo semodyuli nayo yingxaki eqhelekileyo, ebangelwa ngokubanzi ngamandla eprofayili engafanelekanga.Amandla e-aluminium alloy frame material ayancipha, nto leyo ebangela ukuba isakhelo se-photovoltaic panel array siwe okanye sikrazule xa kuvela imimoya enamandla.Ukuguqulwa kweprofayili ngokuqhelekileyo kwenzeka ngexesha lokutshintshwa kwe-phalanx ngexesha lokuguqulwa kobugcisa.Ngokomzekelo, ingxaki eboniswe kumzobo ongezantsi iyenzeka ngexesha lokudibanisa kunye nokuchithwa kwamacandelo usebenzisa imingxuma yokunyuka, kwaye i-insulation iya kuphumelela ngexesha lokubuyisela, kwaye ukuqhubeka komhlaba akukwazi ukufikelela kwixabiso elifanayo.

——Ibhokisi Yokudibanisa Iingxaki Eziqhelekileyo

Isiganeko somlilo kwibhokisi yesiphambuka siphezulu kakhulu.Izizathu zibandakanya ukuba ucingo olukhokelayo alunyanzelwanga ngokuqinileyo kwi-slot yekhadi, kwaye ucingo olukhokelayo kunye nebhokisi ye-solder ye-junction incinci kakhulu ukuba ibangele umlilo ngenxa yokumelana okugqithisileyo, kwaye ucingo olukhokelayo lude kakhulu ukuqhagamshelana neendawo zeplastiki. ibhokisi yesiphambuka.Ukuba sesichengeni sobushushu ixesha elide kunokubangela umlilo, njalo njalo.

Ngoku ngokubanzi iimodyuli zeglasi eziphindwe kabini zamandla aphezulu ziya kwahlulwa zibe ziibhokisi ezintathu zokuhlangana, eziya kuba ngcono.Ukongezelela, ibhokisi ye-junction iphinde ihlulwe ibe yi-semi-enclosed kwaye ifakwe ngokupheleleyo.Ezinye zazo zinokulungiswa emva kokuba zitshisiwe, kwaye ezinye azinakulungiswa.

Kwinkqubo yokusebenza kunye nokugcinwa, kuya kubakho iingxaki zokuzaliswa kweglue kwibhokisi ye-junction.Ukuba imveliso ayinzulu, iglue iya kuvuza, kwaye indlela yokusebenza yabasebenzi ayifani okanye ayinzima, okuya kubangela ukuvuza kwe-welding.Ukuba ayichanekanga, ngoko kunzima ukuyinyanga.Unokuvula ibhokisi ye-junction emva konyaka omnye wokusetyenziswa kwaye ufumanise ukuba iglue A iye yaphuphuma, kwaye ukutywinwa akwanele.Ukuba akukho glue, iya kungena emanzini emvula okanye umswakama, oya kubangela ukuba amacandelo adibeneyo abambe umlilo.Ukuba uxhulumaniso alulungile, ukuchasana kuya kwanda, kwaye amacandelo aya kutshiswa ngenxa yokutshisa.

Ukuqhekeka kweengcingo kwibhokisi ye-junction kunye nokuwa kwentloko ye-MC4 nazo ziingxaki eziqhelekileyo.Ngokuqhelekileyo, iingcingo azifakwanga kwindawo echaziweyo, okubangela ukuba kutyunyuzwe okanye uxhulumaniso lomatshini lwentloko ye-MC4 aluqini.Iingcingo ezonakalisiweyo ziya kukhokelela ekuphelelweni kwamandla kumacandelo okanye iingozi eziyingozi zokuvuza kombane kunye noqhagamshelo., Uxhulumaniso lobuxoki lwentloko ye-MC4 luya kubangela lula ukuba intambo ibambe umlilo.Olu hlobo lwengxaki kulula ukuyilungisa kunye nokuguqula kwintsimi.

Ukulungiswa kwamacandelo kunye nezicwangciso zexesha elizayo

Phakathi kweengxaki ezahlukeneyo zamacandelo akhankanywe ngasentla, ezinye zinokulungiswa.Ukulungiswa kwamacandelo kunokusombulula ngokukhawuleza iphoso, ukunciphisa ilahleko yokuvelisa amandla, kunye nokusebenzisa ngokufanelekileyo izinto zokuqala.Phakathi kwazo, ukulungiswa okulula okunje ngeebhokisi ze-junction, izihlanganisi ze-MC4, i-silica gel yeglasi, njl. zikhulu, kodwa kufuneka babe nobuchule kwaye baqonde ukusebenza, njengokutshintsha i-wiring Ukuba i-backplane ikhutshwe ngexesha lenkqubo yokusika, i-backplane idinga ukutshintshwa, kwaye ukulungiswa konke kuya kuba nzima ngakumbi.

Nangona kunjalo, iingxaki ngeebhetri, iiribhoni, kunye nee-backplanes ze-EVA azikwazi ukulungiswa kwisiza, kuba kufuneka zilungiswe kwinqanaba lefektri ngenxa yokulinganiselwa kokusingqongileyo, inkqubo kunye nezixhobo.Ngenxa yokuba uninzi lwenkqubo yokulungiswa kufuneka ilungiswe kwindawo ecocekileyo, isakhelo kufuneka sisuswe, sinqumle i-backplane kwaye sifudunyezwe kubushushu obuphezulu ukuze sinqumle iiseli ezinengxaki, kwaye ekugqibeleni zithengiswa kwaye zibuyiselwe, ezinokuqondwa kuphela kwi iworkshop yokusebenzela ngokutsha.

Isikhululo sokulungisa icandelo elihambahambayo ngumbono wokulungiswa kwecandelo elizayo.Ngokuphuculwa kwecandelo lamandla kunye nobuchwepheshe, iingxaki zamacandelo anamandla aphezulu ziya kuba zincinci kwaye zincinci kwixesha elizayo, kodwa iingxaki zamacandelo kwiminyaka yokuqala zivela ngokuthe ngcembe.

Okwangoku, amaqela asebenzayo kunye nolondolozo okanye abangcwabi bamacandelo baya kubonelela ngeengcali zokusebenza kunye nokugcinwa koqeqesho lwenkqubo yokuguqula ubuchwepheshe.Kwizikhululo zamandla omhlaba omkhulu, kukho iindawo zokusebenza ngokubanzi kunye neendawo zokuhlala, ezinokubonelela ngeendawo zokulungisa, ngokusisiseko zixhotyiswe encinci Umshicileli wanele, ongaphakathi kokufikeleleka kwabaqhubi abaninzi kunye nabanini.Emva koko, kwisigaba samva, amacandelo aneengxaki kunye nenani elincinci leeseli awasatshintshwa ngokuthe ngqo kwaye abekwe ecaleni, kodwa abe nabasebenzi abakhethekileyo ukuba balungise, nto leyo enokufezekiswa kwiindawo apho izityalo zamandla e-photovoltaic zigxininiswe.


Ixesha lokuposa: Dec-21-2022

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