I-MC4 Junction Box——Isiteshi Samandla “Indima Esekelayo”

Umthamo we-photovoltaic waseShayina osanda kufakwa ubekwe endaweni yokuqala emhlabeni iminyaka eyisithupha ilandelana, futhi izindleko ziye zaqhubeka nokwehla njengoba isikali siqhubeka nokukhula.Ukufinyelela ku-inthanethi kwe-Parity kusondela kancane kancane.“Enkathini yenzuzo ephansi”, ukuphathwa okucolisisiwe kweziteshi zikagesi kuye kwaba ukuvumelana kwemboni.Ngokungeziwe "kuma-protagonists" afana namamojula we-photovoltaic kanye nama-inverters e-photovoltaic, indimaIzixhumi ze-MC4namabhokisi okuhlanganisa e-MC4 awakwazi ukuzitshwa.

        MC4 amabhokisi okuhlanganaizingxenye ezincane eziteshini zamandla e-photovoltaic.Intengo yemakethe yamanje imayelana ne-20-25 yuan/piece, enenani elilinganiselwa ku-2.7% kuphela lezindleko zamamojula we-photovoltaic, futhi ibalwa ngaphansi kwe-1% yalo lonke uhlelo lwesiteshi samandla.Iyingxenye encane kangaka, kodwa idlala indima enkulu ekuphepheni kwezitshalo zamandla e-photovoltaic.Uma kunenkinga ngekhwalithi yomkhiqizo, isiteshi sikagesi sizobhekana nezingozi ezinkulu.

Imboni iyizwe, futhi ibhokisi elincane lokuhlangana liphinde libe yisibonelo semboni ye-photovoltaic.Ngemuva kokubhapathizwa "kwempi yamanani" kanye "ne-technical iteration", imboni yebhokisi le-mc4 junction izoya kuphi esikhathini esizayo?

"I-Bodyguard" ye-Photovoltaic Modules

Ibhokisi le-mc4 junction ngokuyinhloko linemisebenzi emibili: umsebenzi oyisisekelo ukuxhuma imodyuli ye-photovoltaic nomthwalo, kanye nokuthekelisa amandla kagesi akhiqizwe imojula ye-photovoltaic ngekhebula.Umsebenzi owengeziwe ukuvikela izingxenye, ezisebenza njengesivikelo se-bypass lapho umphumela we-hot spot kwenzeka.Ngakho-ke, ibhokisi lokuhlangana kwe-photovoltaic libizwa nangokuthi umlindi wamamojula we-photovoltaic.

Kodwa-ke, ucwaningo lubonisa ukuthi kuwo wonke amaphutha nezingozi eziteshini zikagesi, izingozi ezibangelwa amabhokisi ahlanganayo nezixhumi ziba ngaphezu kuka-30%, nokuwohloka kwamabhokisi okuhlanganisa ama-mc4 kubale ngaphezu kuka-65% wezingozi zamabhokisi okuhlangana nezixhumi.Izindawo ezinezigameko eziphezulu zamaphutha.Lokhu kuphinde kwaheha izikhalo zabanye abasebenzisi mayelana nekhwalithi yebhokisi lokuhlangana.

U-Wang Yu, isekela lomphathi jikelele we-Zhejiang Fosalang Energy Co., Ltd., osegxile embonini yebhokisi le-mc4 junction iminyaka eminingi, ukholelwa ukuthi abasebenzisi abaningi banokungaqondi mayelana namabhokisi ahlanganayo.I-diode iyingxenye ebalulekile yebhokisi lokuhlangana.Ngokuvamile, i-diode isesimweni esingekho, futhi i-diode izovulwa kuphela uma ingxenye inendawo eshisayo.

U-Wang Yu waqhubeka wachaza ukuthi ekwakhiweni kwamamojula we-photovoltaic, iseli elilodwa lisebenza ochungechungeni.Uma esinye sezingcezu zebhethri sesivinjiwe, ibhethri elithintekile ngeke lisasebenza njengomthombo wamandla, kodwa lizoba umsebenzisi wamandla.Amanye amabhethri avuliwe azoqhubeka edlula okwamanje kuwo, okubangela ukulahlekelwa kwamandla aphezulu, futhi "izindawo ezishisayo" zizokwenzeka.avele.Uma umphumela wezindawo ezishisayo ufinyelela ezingeni elithile, uzonciphisa amandla okukhipha amandla ezingxenyeni futhi ubangele ngisho nezingxenye ukuthi zilahlwe, kunciphise kakhulu impilo yesevisi yezingxenye, futhi kubangele izingozi ezifihliwe ekuphepheni kokuphehla ugesi esiteshini sikagesi. .

Ukuze ugweme le nkinga, ama-bypass diode axhunywe ngokuhambisana nebhethri elilodwa noma amaningana axhunywe ochungechungeni.I-bypass current izodlula iseli enomthunzi futhi idlule ku-diode.Ukuze siqinisekise ukuthi isiteshi sikagesi se-photovoltaic siyaqhubeka nokukhiqiza ugesi.Uma i-diode ikhungathekile futhi iphukile, "iyazidela" ngokwayo ukuze ivikele izingxenye.

Ukwehliswa Kwezindleko Nokuthuthukiswa Kokusebenza Kahle Kwe-MC4 Junction Box

"Yehlisa izindleko futhi ukwandise ukusebenza kahle" isibe isihloko esiyinhloko se-photovoltaic industry chain.Ngokuqondene nengxenye encane yebhokisi le-pv junction, isihluthulelo sokunciphisa izindleko kanye nokwandisa ukusebenza kahle sitholakala ku-core component-diode.

Ukuhlukaniswa kwamabhokisi okuhlanganisa i-mc4 emakethe kusekelwe ezinhlotsheni ezihlukene, futhi iFraser isebenzisa ama-diode njengomehluko phakathi kwezinhlobo zamabhokisi okuhlangana futhi ngokuvamile ayaziwa.U-Wang Yu wethula ukuthi umkhiqizo wesizukulwane sokuqala wawuyi-axial diode, futhi umkhiqizo wesizukulwane sesibili kwakuyi-SMD diode, okuwuhlobo olusetshenziswa kakhulu emakethe yamanje.Isizukulwane sesithathu yi-module diode, futhi isizukulwane sesine siwumkhiqizo ohlakaniphile.

Ngokuvamile, kunezinyathelo ezimbili zokunciphisa izindleko nokwandisa ukusebenza kahle.Isinyathelo sokuqala ukunciphisa ukutshalwa kwezimali kokuqala.Uma kuqhathaniswa nemikhiqizo yebhokisi le-mc4 yesizukulwane sesibili kanye nesizukulwane sesithathu, ibhokisi le-SMD diode junction lakhiwa ama-diode amathathu namashidi ethusi angu-4, kuyilapho i-module diode yenziwe nge-module eyodwa, enciphisa izindleko zempahla kanye nezindleko zokushisela ngesandla.Ngokunwetshwa kwesikali sokukhiqiza, inzuzo yezindleko zemikhiqizo yesizukulwane sesithathu izogqama kakhulu.

Ngemva kokuba izindleko seziyehlile kancane kancane, ukususa ngamabomu ukunciphisa izindleko kuzodala umonakalo ekusebenzeni kweminyaka engu-25 kwesiteshi samandla e-photovoltaic.Ngalesi sikhathi, izinkampani eziningi seziqala ukuthatha umgwaqo "wokukhulisa ukusebenza kahle" futhi zithuthukise imikhiqizo emisha ngokusungula izinto ezintsha zobuchwepheshe.Nakuba izindleko zokuqala zenyuswa, izindleko zikagesi zingancishiswa ngokukhuphula umthamo wokuphehla ugesi esikhathini esizayo.

Umkhiqizo webhokisi lokuhlanganisa le-smart mc4 lesizukulwane sesine le-Fusalang uyisikhali esiyimfihlo “sokwandisa ukusebenza kahle”.Ngokuka-Wang Yu, umkhiqizo webhokisi le-smart junction une-chip yangaphakathi ehlakaniphile engaqapha isimo sokusebenza sengxenye ngayinye, ihlangabezane nezidingo zokuqapha izinga lengxenye, ithole izinkinga kusenesikhathi, yehlise ukulahleka kokuphehlwa kwamandla, futhi yandise ukuphehlwa kwamandla jikelele.Lapho ukukhiqizwa kwamandla okukhushuliwe kunciphisa noma kudlula izindleko zokuqala, umnotho wesilinganiso uzobonakala.

Ngokuthuthuka okuqhubekayo kobuhlakani be-photovoltaic, amabhokisi e-smart junction azoba umkhuba ojwayelekile wokuthuthuka kwesikhathi esizayo kwamabhokisi okuhlanganisa ama-mc4.Ngemuva kuka-2020, imikhiqizo yebhokisi ye-inthanethi ye-smart grid-based energy junction izongenisa ukuthuthukiswa.

Umphumela Womkhiqizo Webhokisi Lokuhlanganisa Uyavela

Ukuncintisana kwamanani aphansi okulinganayo kubonakala kuwukuphela kwendlela yokuthuthukiswa kwayo yonke imikhakha yempilo ezweni lethu.Okufanayo kuyiqiniso embonini ye-photovoltaic.Kungakhathaliseki ukuthi amamojula we-photovoltaic, ama-inverters e-photovoltaic noma ama-stents, i-homogeneity yomkhiqizo isiyinto evamile, futhi ukuhlukaniswa kwamabhokisi okuhlanganisa ama-photovoltaic ahlukile.

Ngokusho kwenkumbulo kaWang Yu, ngo-2007-2008, intengo yebhokisi lokuhlangana lomkhiqizo waseJalimane i-mc4 yayicishe ibe ngama-yuan angama-200, okwakuyinkazimulo yesikhashana.Kungenxa yesilingo sezingxenye ezinkulu zemakethe kanye nemikhawulo ephansi yobuchwepheshe okwenza amabhizinisi amancane naphakathi namaShayina agcwelethe ukuze abambe imakethe.Ngo-2011, bekunezinkampani ezingaphezu kwe-100 emakethe, futhi isikhule yaba ngaphezu kwama-200 ngemuva kwalokho.Ihambisana nokuncintisana ngamanani aphansi.Ngo-2009, intengo yamabhokisi e-photovoltaic junction yayingaba ngu-100-150 yuan.Ngo-2011, inani lase lehle lafinyelela cishe kuma-yuan angama-50.Ngo-2013, intengo yamabhokisi okuhlangana yawela ku-30-40 yuan.Yehlela cishe kuma-yuan angama-20.

Uma ukuncintisana kwenani eliphansi okufanayo kufinyelele izinga elithile, ukushova akunakugwenywa.Eminyakeni embalwa edlule, imboni ye-photovoltaic ihlangabezane negagasi elibandayo.Ngemva kokusinda kwabanamandla emakethe, ezinye izinkampani kancane kancane zalahlekelwa ukuncintisana futhi zahoxa.Ezinye izinkampani ezintsha ezinobuchwepheshe, izimali ezinkulu, namashaneli zimpintshene emakethe futhi zithole isabelo esithile.

Kubanikazi beziteshi zamandla, izindleko zamabhokisi okuhlanganisa ama-mc4 ezitshalweni zamandla e-photovoltaic ziphansi ngokuqhathaniswa, futhi ngokuvamile zisebenza ukuhlangabezana nomklamo wesiteshi samandla, futhi imikhiqizo enekhwalithi eqinisekisiwe idume kakhulu.Lokhu ngokungangabazeki ukuncintisana okuqinile kwezinkampani eziye zahlanganyela ekukhiqizeni amabhokisi okuhlangana kwe-photovoltaic ekuqaleni kwesiteji futhi zenze isikali kanye nomphumela womkhiqizo.

Kuyaqondakala ukuthi okwamanje kunezinkampani ezingaphansi kwe-100 photovoltaic junction box emakethe.Igagasi elikhulu lemboni liyashova, likhombisa ukuthi imboni yamabhokisi okuhlangana iyathuthuka ngendlela ephusile.Njengamanje, izinkampani ezihamba phambili ezifana noRenhe, Zhonghuan, kanye noFushalang sezivele embonini, futhi umkhuba wokufaka uphawu uye wavela kancane kancane.

U-Wang Yu ukholelwa ukuthi imboni yebhokisi le-photovoltaic junction izoletha ukuhlehliswa esikhathini esizayo, futhi inani lezinkampani zebhokisi le-mc4 junction lizohlala cishe ku-50 ngaleso sikhathi.Lezi zinkampani zihlukaniswe cishe izigaba ezimbili.Olunye uhlobo lwenkampani luneziteshi ezinhle, kanti olunye uhlobo lwenkampani luthembele emikhiqizweni nasezinsizeni ezisezingeni eliphezulu ukuze kungene imakethe.