Ibhokisi le-High-Current Photovoltaic Junction Box liye ladibana ngokupheleleyo neeMfuno zeModyuli ye-210 ye-PV

Ngokuveliswa kobuninzi be-166, i-182, kunye ne-210 yeemodyuli ze-photovoltaic, ishishini liyaqhubeka lixoxa ngeenzuzo kunye nokungahambi kakuhle kweenguqu ze-silicon wafer size.Ingqwalasela yengxoxo ibandakanya iiparamitha zombane kunye nobukhulu beemodyuli, ukuthutha, kunye nokunikezelwa kwezinto eziluhlaza.Ngokuqinisekileyo, kukho iingxoxo malunga nokuthembeka kunye nokukhethwa kwezinto eziphathekayo kwiibhokisi ze-junction photovoltaic.Njengomthengisi wezinto eziphathekayo obandakanyeka kuphando kunye nophuhliso kunye nokuveliswa kweebhokisi ze-junction ixesha elide, sihlalutya ubudlelwane phakathi kweebhokisi ze-junction kunye ne-silicone wafers enkulu kunye neemodyuli zamandla aphezulu ukusuka kumbono wezinto eziphathekayo.

Umgaqo wokuSebenza we-Photovoltaic Junction Box

Umsebenzi ophambili weibhokisi ye-photovoltaic junctionkukukhupha amandla avelisiweyo yimodyuli ye-photovoltaic kwisiphaluka sangaphandle, kubandakanywa igobolondo, i-diode, i-mc4 isixhumi, intambo ye-photovoltaic kunye nezinye izinto, phakathi kwazo i-diode iyisixhobo esingundoqo.Xa imodyuli isebenza ngokuqhelekileyo, i-diode kwibhokisi ye-PV yokuhlangana ikwimeko yokuthintela umva;xa iseli yemodyuli ivaliwe okanye yonakaliswe, i-bypass diode ivuliwe ukukhusela yonke imodyuli ye-photovoltaic.

Itheyibhile engentla ibonisa iiparameters zombane eziqhelekileyo ze-166, i-182 kunye ne-210 iimodyuli kunye nokukhethwa kwe-rated current ye-photovoltaic junction box ye-photovoltaic module factory.Iiparamitha zemodyuli zibonisa i-low current, i-voltage ephezulu kunye ne-high current kunye ne-low voltage ngokulandelanayo.

Ibhokisi le-Photovoltaic Junction kunye neDiode

Iimpawu eziphambili zebhokisi le-junction ye-photovoltaic ziquka ibhokisi ye-junction ye-current, i-diode ilinganiswe ngoku kunye ne-reverse ukumelana ne-voltage, njl.

Ngokuqhelekileyo, ukuqinisekiswa kunye novavanyo lweemodyuli ze-photovoltaic kunye neebhokisi ze-junction zisekelwe: ukulinganisa okwangoku kweebhokisi ze-junction zelanga ≥ 1.25 amaxesha e-Isc ekukhethweni nasekuvavanyeni, kwaye umda othile uya kugcinwa.Ngaphantsi kweemeko eziqhelekileyo zokusebenza, i-diode yebhokisi ye-junction ikwi-reverse cut-off state.Kungakhathaliseki ukuba iinqununu ze-166 kunye ne-182 okanye i-210 components, i-diode ayiyi kuqhuba okanye ishushu.Xa kuthelekiswa namacandelo angama-210, i-diode yebhokisi ye-junction ye-182 kunye ne-166 yamacandelo iya kuthwala kancinci i-High reverse bias voltage.

Xa indawo eshushu ivela kwimodyuli ye-photovoltaic, i-diode iya kuqhuba phambili kwaye ivelise ukushisa.Thatha imodyuli ye-210 kunye nebhokisi ye-junction ye-25A njengomzekelo, xa i-output yangoku Isc = 18.6A (ikhoyo ngoku xa imodyuli yangempela isebenza i-Imp≈17.5A), ukushisa kwe-junction malunga ne-120 ° C.Nangona kuqwalaselwa inxalenye yendawo engqongileyo ngokukhanya okwaneleyo, kwimeko ye-1.25 amaxesha e-Isc (23.2A), ukushisa kwe-junction yebhokisi ye-photovoltaic junction ngeli xesha malunga ne-160 ° C, ephantsi kakhulu kune-junction ye-200 ° C. Umda wobushushu obuphezulu bomgangatho we-IEC62790.Ngokuqinisekileyo, i-Isc yeemodyuli ze-182 kunye ne-166 iphantsi kancinci, kwaye ibhokisi ye-junction enobumbeko obufanayo inokuvelisa ubushushu obuphantsi, kwaye iibhokisi ze-junction zikwimeko ekhuselekileyo yokusebenza ngoko akukho mngcipheko.

Uhlalutyo olungentla lusebenza kwibhokisi ye-photovoltaic junction kwimeko yeendawo ezishushu kwimodyuli ye-photovoltaic.Ngokubhekiselele kwiimodyuli, xa iintaka okanye amaqabunga evala iindawo ezishushu kwaye anyamalale ngokukhawuleza, ukuphunyuka kwe-diode thermal kuya kwenzeka.Umtya wemodyuli uya kuzisa i-voltage ye-bias eguqukayo ngokukhawuleza kunye nokuvuza kwangoku kwi-diode, kwaye i-voltage yentambo ephezulu iya kuzisa imingeni enkulu kwibhokisi ye-junction kunye ne-diode.Ukusuka kwimbono yoyilo lwebhokisi ye-PV ye-junction, uyilo olufanelekileyo lwesakhiwo sebhokisi, ukupakishwa kwe-diode elula yokutshatyalaliswa kobushushu kunye nokukhetha okungcono kwe-chip kunokusombulula ezi ngxaki.

Kwiimodyuli zamacala amabini kunye neemodyuli zesiqingatha, ekubeni icala ngalinye leyunithi lidityaniswe ngokuhambelanayo, njengoko kubonisiwe kumzobo ongezantsi, xa isiphumo sendawo eshushu kunye nokuphunyuka kobushushu kwenzeka, inxalenye ehambelanayo inokukhutshwa, kunye nomda wokhuseleko. igcinwe yibhokisi yesiphambuka inkulu ngakumbi.Ngokwezibalo, amathuba okuba amacala ahambelanayo, ngaphambili nangasemva kwimodyuli yesiqingatha se-half-cell avaliwe ngaxeshanye iphantsi kakhulu, malunga nesiganeko semodyuli ye-1 kwi-10GW.Ke ngoko, phantsi kweemeko zokwenyani, phantse akunakwenzeka ukuba nebhokisi yokuhlangana esebenza kumthwalo opheleleyo, kwaye ukuthembeka kunokuqinisekiswa.

I-Photovoltaic Connectors kunye neeCables

Njengenye yamacandelo othumelo lwamandla, iisidibanisi se-photovoltaicunoxanduva loqhagamshelo oluyimpumelelo lwesikhululo samandla.Okwangoku, ukulinganiswa kwangoku kweekhonkco eziqhelekileyo ezisetyenziswa ngokuqhelekileyo kwiimarike zonke ziphezulu kune-30A, kwaye ubuninzi bunokufikelela kwi-55A, eyaneleyo ukuhlangabezana neemfuno zokuhanjiswa kwamandla amacandelo akhoyo aphezulu.Kuye kwaqinisekiswa ukuba kwimodyuli ye-55A ukuguqula uvavanyo olugqithisiweyo lwangoku lwe-photovoltaic connector kunye nesantya esilinganisiweyo se-41A esivela kumenzi, ukushisa okubekwe esweni ngu-76 ° C, ephantsi kakhulu kune-105 ° C ixabiso le-RTI yezinto eziluhlaza. yesidibanisi.Nangona kunjalo, kwindawo yesicelo esiphezulu, isiphelo somdibaniso kufuneka siphinde sizame ukuphepha iingxaki ezinokubakho ezifana nokukhawulelana kwangoku okubangelwa ukuchasana okuphezulu kwendawo kunye nokugqithisa kwendawo yoqhagamshelwano.Izisombululo ezisebenzayo, ezinje: ukulungelelanisa ukusebenza koqhagamshelwano lwendandatho yomqhubi, ukuphucula isakhiwo esipheleleyo sokudibanisa, ukuphucula umgangatho we-cable crimping ekupheleni kokudibanisa, kunye nokongeza itekhnoloji ye-inshurensi ephindwe kabini kwindawo yokudibanisa.

Kubaiintambo ze-photovoltaic, umbane olinganisiweyo weentambo ezihambelana nemigangatho ye-EN okanye i-IEC (iintambo ze-4mm2, i-current rated i-44A xa iindawo ezijongene nomnye) ziphezulu kakhulu kunomlinganiselo olinganisiweyo webhokisi ye-photovoltaic junction, ngoko akukho mfuneko xhalabele ukuthembeka kwayo.

INkqubo yokuVelisa iBhokisi yePV kunye nokuJonga iMarike

Ngokuphuculwa okuzinzileyo kwinqanaba lokuvelisa kunye nezakhono zokulawula umgangatho weebhokisi ze-photovoltaic junction, ukusebenza kunye nokuthembeka kweebhokisi ze-junction ziye zaqinisekiswa kakuhle, ezinokuhlangabezana neemfuno zee-wafers ze-silicon ezinkulu kunye namacandelo anamandla aphezulu.

1. Kwinkqubo yoyilo kunye nokuveliswa kwebhokisi ye-photovoltaic junction, inani elikhulu leenkqubo ezintsha kunye nobuchwepheshe obutsha obuqinisekisiweyo kwiinkalo ze-semiconductor, i-automobile, i-aerospace, njl. ubuchwepheshe, njl., ukuphucula ukusebenza kombane kunye nokuchithwa kobushushu kwisakhono seemveliso zebhokisi yokuhlangana.

2. Kwinkqubo yokuvelisa ibhokisi ye-PV panel junction, ukwandisa uphando kunye nophuhliso kunye notyalo-mali lwezixhobo ezizenzekelayo kunokuqinisekisa ukuchaneka kokucubungula, umgangatho, kunye nokulawulwa kwenkqubo, kunye nokufezekisa inkqubo yokuzenzekelayo kunye nokulawula umgangatho ngokuzenzekelayo.

3. Ngokusekelwe kumava okuvelisa ibhokisi ye-PV ye-junction, kugxininise ekomelezeni ulawulo lokuthembeka koqhagamshelwano phakathi kwezixhobo zebhokisi ye-junction kunye nokulawulwa kwamanqaku okulawula umgangatho obalulekileyo, njengokulawulwa komlinganiselo wokunyanzeliswa kwindawo yokudibanisa, Iimfuno zenkqubo ye-inshurensi ephindwe kabini kwi-tinning, kunye nolawulo lwenkqubo ye-welding ye-ultrasonic, unyango lwe-Corona, kunye nokubeka iliso kwiiparamitha ezibalulekileyo.

Ukongeza kuphuculo lwezakhono zabavelisi bebhokisi ye-photovoltaic junction, abavelisi becandelo kunye nemibutho yomntu wesithathu bahlala bephucula uvavanyo, uvavanyo kunye nolawulo lomgangatho weebhokisi zokudityaniswa kunye namacandelo, okuye kwakhuthaza ngakumbi ukuphuculwa komgangatho wolawulo kunye nobuchule be-R&D. yabavelisi beebhokisi zokuhlangana.

Ukusukela kwisiqingatha sokuqala sika-2020, amaziko oqinisekiso afana ne-TUV akhuphe i-25A kunye ne-30A izatifikethi zebhokisi ezidityanisiweyo kubavelisi beebhokisi ze-PV ezininzi.Iibhetshi zeebhokisi ezinkulu zangoku zidlulise isatifikethi kunye novavanyo lwee-arhente zeqela lesithathu, eliye laqinisa ngakumbi ukuzithemba kwabavelisi beebhokisi ze-junction kunye nabavelisi bemodyuli ye-photovoltaic.Ngokukhutshwa komthamo wemveliso we-182 kunye ne-210 yeemodyuli ezinkulu ze-silicon, amandla okuxhasa imveliso yeebhokisi ezinkulu zangoku zokuhlangana nazo ziya kusekwa ngokuthe ngcembe kwaye zandiswe.

Isishwankathelo, ukusebenza, ukuqinisekiswa kokuthembeka kunye nokukwazi ukwenza iibhokisi ze-high-current photovoltaic junction kunye namacandelo akhulile, kwaye angakwazi ukuhlangabezana ngokupheleleyo neemfuno zeentlobo ezahlukeneyo ze-silicone wafers kunye namacandelo aphezulu.