2023-12-20
Ibhokisi lokuxhumana lephaneli yelanga liyisixhumi phakathi kwephaneli yelanga kanye nedivayisi yokulawula ukushaja, futhi liyingxenye ebalulekile yephaneli yelanga.Kuwumklamo ohlanganisa izigwegwe ohlanganisa idizayini kagesi, idizayini yemishini kanye nesayensi yezinto ezibonakalayo ukuze unikeze abasebenzisi uhlelo lokuxhuma oluhlanganisiwe lwamaphaneli elanga.
Umsebenzi oyinhloko webhokisi lokuxhumanisa ilanga ukukhipha amandla kagesi akhiqizwa iphaneli yelanga ngekhebula.Ngenxa yolwazi kanye nentengo ephezulu yamaseli elanga, amabhokisi okuhlanganisa ilanga kufanele aklanywe ngokukhethekile ukuze ahlangabezane nezidingo zamaphaneli elanga.Singakhetha ezicini ezinhlanu zomsebenzi, izici, uhlobo, ukwakheka namapharamitha wokusebenza webhokisi lokuhlangana.
Umsebenzi oyisisekelo webhokisi lokuxhumana le-solar ukuxhuma iphaneli yelanga kanye nomthwalo, futhi udwebe okwamanje okukhiqizwa iphaneli ye-photovoltaic ukukhiqiza ugesi.Omunye umsebenzi ukuvikela izintambo eziphumayo emiphumeleni eshisayo.
Ibhokisi le-solar junction lisebenza njengebhuloho phakathi kwephaneli yelanga kanye ne-inverter.Ngaphakathi kwebhokisi lokuhlangana, amandla amanje akhiqizwa i-solar panel akhishwa ngamatheminali nezixhumi futhi angene emishinini kagesi.
Ukuze kuncishiswe ukulahlekelwa kwamandla kwebhokisi lokuhlangana kuphaneli yelanga ngangokunokwenzeka, ukumelana kwezinto ezisetshenziswayo ezisetshenziswa ebhokisini lokuhlangana kwephaneli yelanga kufanele kube kuncane, futhi ukumelana nokuxhumana nocingo oluholayo lwebhasi kufanele futhi kube kuncane. .
Umsebenzi wokuvikela webhokisi le-solar junction uhlanganisa izingxenye ezintathu:
1. Ngokusebenzisa i-bypass diode isetshenziselwa ukuvimbela umphumela wendawo eshisayo nokuvikela ibhethri kanye nephaneli yelanga;
2. Izinto ezikhethekile zisetshenziselwa ukuvala umklamo, ongenamanzi futhi ongenamlilo;
3. Idizayini ekhethekile yokukhipha ukushisa inciphisa ibhokisi lokuhlangana futhi Izinga lokushisa lokusebenza le-bypass diode linciphisa ukulahleka kwamandla wephaneli yelanga ngenxa yokuvuza kwamanje.
(1) Ukumelana Nesimo Sezulu
Uma impahla yebhokisi le-photovoltaic junction isetshenziswa ngaphandle, izomelana nokuhlolwa kwesimo sezulu, njengomonakalo odalwe ukukhanya, ukushisa, umoya nemvula.Izingxenye eziveziwe zebhokisi le-PV junction umzimba webhokisi, ikhava yebhokisi nesixhumi se-MC4, konke okwenziwe ngezinto ezimelana nesimo sezulu.Njengamanje, izinto ezisetshenziswa kakhulu yi-PPO, okungenye yamapulasitiki amahlanu ajwayelekile wobunjiniyela emhlabeni.Inezinzuzo zokuqina okuphezulu, ukumelana nokushisa okuphezulu, ukumelana nomlilo, amandla aphezulu, kanye nezakhiwo ezinhle kakhulu zikagesi.
(2) Ukumelana Nokushisa Okuphezulu Nokuswakama
Indawo yokusebenza yamapaneli elanga inonya kakhulu.Ezinye zisebenza ezindaweni ezishisayo, futhi izinga lokushisa elivamile lansuku zonke liphezulu kakhulu;ezinye zisebenza ezindaweni eziphakeme kanye ne-latitude ephezulu, futhi izinga lokushisa lokusebenza liphansi kakhulu;kwezinye izindawo, umehluko wokushisa phakathi kwemini nobusuku mkhulu, njengezindawo eziwugwadule.Ngakho-ke, amabhokisi okuhlangana kwe-photovoltaic ayadingeka ukuze abe nokushisa okuphezulu kakhulu kanye nezindawo zokumelana nokushisa okuphansi.
(3) Ukumelana ne-UV
Imisebe ye-Ultraviolet inomonakalo othile emikhiqizweni yepulasitiki, ikakhulukazi ezindaweni ezimathafeni ezinomoya omncane kanye nemisebe ye-ultraviolet ephezulu.
(4) Ukuncipha Kwelangabi
Isho indawo enezinto noma ngokuphathwa kwento ebambezela kakhulu ukusabalala kwelangabi.
(5) Ingangeni manzi futhi ingangenisi uthuli
Ibhokisi elivamile le-photovoltaic junction alikwazi ukungena emanzini futhi lingangenwa uthuli IP65, IP67, futhi ibhokisi le-Slocable photovoltaic junction lingafinyelela izinga eliphakeme kakhulu le-IP68.
(6) Umsebenzi Wokukhipha Ukushisa
Ama-Diode nezinga lokushisa le-ambient akhuphula izinga lokushisa ebhokisini le-PV junction.Lapho i-diode iqhuba, ikhiqiza ukushisa.Ngesikhathi esifanayo, ukushisa nakho kukhiqizwa ngenxa yokumelana nokuxhumana phakathi kwe-diode ne-terminal.Ngaphezu kwalokho, ukwanda kwezinga lokushisa le-ambient kuzophinde kwenyuse izinga lokushisa ngaphakathi kwebhokisi lokuhlangana.
Izingxenye ezingaphakathi kwebhokisi lokuhlangana le-PV ezisengozini yokushisa okuphezulu yizindandatho zokuvala nama-diode.Izinga lokushisa eliphakeme lizosheshisa ijubane lokuguga lendandatho yokuvala futhi lithinte ukusebenza kokuvala kwebhokisi lokuhlangana;kukhona i-current reverse ku-diode, futhi i-current reverse izophinda kabili kukho konke ukukhuphuka kwezinga lokushisa ngo-10 °C.I-reverse current inciphisa okwamanje edonswa ibhodi lesifunda, ithinta amandla ebhodi.Ngakho-ke, amabhokisi e-photovoltaic junction kumele abe nezindawo ezinhle kakhulu zokushisa ukushisa.
Idizayini evamile yokushisa iwukufaka usinki wokushisa.Kodwa-ke, ukufaka amasinki okushisa akuxazululi ngokuphelele inkinga yokukhipha ukushisa.Uma umshini wokushisa ufakwa ebhokisini le-junction photovoltaic, izinga lokushisa le-diode lizokwehla okwesikhashana, kodwa izinga lokushisa lebhokisi lokuhlangana lizokwanda, okuzothinta impilo yesevisi ye-rubber seal;Uma efakwe ngaphandle kwebhokisi lokuhlangana, ngakolunye uhlangothi, kuzothinta ukubekwa uphawu okuphelele kwebhokisi lokuhlangana, ngakolunye uhlangothi, kulula futhi ukuthi i-heatsink igqwale.
Kunezinhlobo ezimbili eziyinhloko zamabhokisi okuhlangana: ajwayelekile kanye namabhodwe.
Amabhokisi okuhlanganisa avamile avalwa ngezigxivizo ze-silicone, kuyilapho amabhokisi okuhlanganisa agcwele injoloba agcwaliswa nge-silicone enezingxenye ezimbili.Ibhokisi lokuhlangana elivamile lisetshenziswe ngaphambili futhi kulula ukusebenza, kodwa indandatho yokuvala iguga kalula uma isetshenziswe isikhathi eside.Ibhokisi lokuhlangana lohlobo lwebhodwe liyinkimbinkimbi ukusebenza (lidinga ukugcwaliswa ngejeli ye-silica enezingxenye ezimbili bese liphulukiswa), kodwa umphumela wokuvala muhle, futhi awumelani nokuguga, ongaqinisekisa ukuvalwa okusebenzayo kwesikhathi eside ibhokisi lokuhlangana, futhi intengo ishibhe kancane.
Ibhokisi le-junction ye-solar lakhiwa umzimba webhokisi, ikhava yebhokisi, izixhumi, amatheminali, ama-diode, njll. Abanye abakhiqizi bamabhokisi ahlanganayo baklame amasinki okushisa ukuze bathuthukise ukusatshalaliswa kwezinga lokushisa ebhokisini, kodwa isakhiwo sonke asishintshile.
(1) Umzimba Webhokisi
Umzimba webhokisi uyingxenye eyinhloko yebhokisi lokuhlangana, elinamatheminali akhelwe ngaphakathi nama-diode, izixhumi zangaphandle, namakhava amabhokisi.Iyingxenye yefreyimu yebhokisi lokuxhumana lelanga futhi ithwala iningi lezidingo zokumelana nesimo sezulu.Umzimba webhokisi uvame ukwenziwa nge-PPO, enezinzuzo zokuqina okuphezulu, ukumelana nokushisa okuphezulu, ukumelana nomlilo, namandla aphezulu.
(2) Isembozo Sebhokisi
Isembozo sebhokisi singavala umzimba webhokisi, sivimbele amanzi, uthuli nokungcola.Ukuqina kubonakala kakhulu endandatho yokuvala yerabha eyakhelwe ngaphakathi, evimbela umoya nomswakama ukuthi ungangeni ebhokisini lokuhlangana.Abanye abakhiqizi babeka imbobo encane phakathi nendawo yesivalo, futhi bafake ulwelwesi lwe-dialysis emoyeni.Ulwelwesi luyaphefumula futhi alungeneki, futhi awekho amanzi agelezayo amamitha amathathu ngaphansi kwamanzi, okudlala indima enhle ekuqedeni ukushisa nasekuvaleni.
Umzimba webhokisi kanye nesembozo sebhokisi kuvamise ukubunjwa kusuka ezintweni ezinokumelana nesimo sezulu esihle, ezinezici zokunwebeka okuhle, ukumelana nokushaqeka kwezinga lokushisa, nokumelana nokuguga.
(3) Isixhumi
Izixhumi zixhuma amatheminali nezinto zikagesi zangaphandle njengeziguquli, izilawuli, njll. Isixhumi senziwe nge-PC, kodwa i-PC igqwala kalula ngezinto eziningi.Ukuguga kwamabhokisi e-solar junction kubonakala ikakhulukazi: izixhumi zigqwala kalula, futhi amantongomane epulasitiki aqhekeka kalula ngaphansi komthelela ophansi wokushisa.Ngakho-ke, impilo yebhokisi lokuhlangana iyimpilo yesixhumi.
(4) Amatheminali
Abakhiqizi abahlukene bamabhulokhi wetheminali Isikhala setheminali nabo bahlukile.Kunezinhlobo ezimbili zokuxhumana phakathi kwetheminali nocingo oluphumayo: eyodwa eyokuthintana ngokomzimba, njengohlobo oluqinisayo, kanti enye iwuhlobo lokushisela.
(5) Ama-Diodes
Ama-Diode kumabhokisi okuhlangana kwe-PV asetshenziswa njengama-bypass diode ukuvimbela imiphumela yendawo eshisayo nokuvikela amaphaneli elanga.
Uma iphaneli yelanga isebenza ngokujwayelekile, i-bypass diode isendaweni engasebenzi, futhi kukhona i-current reverse, okungukuthi, i-dark current, ngokuvamile engaphansi kuka-0.2 microampere.Amandla amnyama anciphisa amandla amanje akhiqizwa iphaneli yelanga, nakuba ngenani elincane kakhulu.
Ngokufanelekile, iseli ngalinye lelanga kufanele libe ne-bypass diode exhunyiwe.Kodwa-ke, akunamnotho kakhulu ngenxa yezici ezifana nentengo nezindleko zama-bypass diode, ukulahlekelwa kwamanje okumnyama kanye nokwehla kwamandla kagesi ngaphansi kwezimo zokusebenza.Ukwengeza, indawo yephaneli yelanga igxile kakhulu, futhi izimo ezanele zokushisa ukushisa kufanele zinikezwe ngemuva kokuthi i-diode ixhunyiwe.
Ngakho-ke, ngokuvamile kunengqondo ukusebenzisa ama-bypass diode ukuvikela amaseli elanga axhumene amaningi.Lokhu kunganciphisa izindleko zokukhiqiza zamaphaneli elanga, kodwa kungase kuthinte kabi ukusebenza kwawo.Uma ukukhishwa kweseli eyodwa yelanga ochungechungeni lwamaseli elanga kuncishisiwe, uchungechunge lwamangqamuzana elanga, kuhlanganise nalawo asebenza kahle, ahlukaniswa nalo lonke uhlelo lwephaneli yelanga nge-bypass diode.Ngale ndlela, ngenxa yokwehluleka kwephaneli eyodwa yelanga, amandla okukhiphayo wephaneli yonke yelanga azokwehla kakhulu.
Ngaphezu kwalezi zindaba ezingenhla, ukuxhumana phakathi kwe-bypass diode kanye ne-bypass diode yayo eseduze nayo kufanele kucatshangelwe ngokucophelela.Lokhu kuxhumana kungaphansi kokucindezelwa okuthile okuwumkhiqizo wemithwalo yemishini kanye nezinguquko zomjikelezo kuzinga lokushisa.Ngakho-ke, ekusetshenzisweni kwesikhathi eside kwephaneli yelanga, ukuxhumana okukhulunywe ngenhla kungase kuhluleke ngenxa yokukhathala, ngaleyo ndlela kwenza iphaneli yelanga ibe yinto engavamile.
I-Hot Spot Effect
Ekucushweni kwephaneli yelanga, amaseli elanga ngamanye axhunywe ochungechungeni ukuze afinyelele ama-voltages aphezulu wesistimu.Uma elinye lamaseli elanga livinjiwe, iseli elithintekile lelanga ngeke lisasebenza njengomthombo wamandla, kodwa libe ngumthengi wamandla.Amanye amangqamuzana elanga angenawo umthunzi aqhubeka ethwala amandla amanje ngawo, abangela ukulahlekelwa amandla aphezulu, athuthukise “izindawo ezishisayo” futhi alimaze amaseli elanga.
Ukuze ugweme le nkinga, ama-bypass diode axhunywe ngokuhambisana neseli elilodwa noma amaningana elanga ochungechungeni.I-Bypass current idlula iseli elanga elivikelekile futhi idlule ku-diode.
Uma iseli lelanga lisebenza ngokujwayelekile, i-bypass diode ivaliwe ngokuphambene, engathinti isifunda;uma kukhona ingqamuzana yelanga engavamile exhunywe ngokuhambisana ne-bypass diode, i-current of the line yonke izonqunywa ubuncane be-solar cell yamanje, futhi okwamanje izonqunywa indawo yokuvikela yeseli yelanga.Nquma.Uma i-voltage ye-bias ehlehlayo iphakeme kune-voltage encane yeseli yelanga, i-bypass diode izoqhuba futhi iseli yelanga elingavamile lizofinyezwa.
Kungabonakala ukuthi indawo eshisayo iwukushisa kwephaneli yelanga noma ukushisisa kwendawo, futhi iphaneli yelanga endaweni eshisayo yonakalisiwe, okunciphisa ukuphuma kwamandla ephaneli yelanga futhi kuholele nasekuchithweni kwephaneli yelanga, okunciphisa kakhulu impilo yesevisi. wephaneli yelanga futhi iletha ingozi efihliwe esiteshini samandla ukuphepha kokukhiqiza amandla, futhi ukuqoqwa kokushisa kuzoholela ekulimaleni kwephaneli yelanga.
Isimiso Sokukhetha I-Diode
Ukukhethwa kwe-bypass diode ngokuyinhloko kulandela lezi zimiso ezilandelayo: ① I-voltage ekwazi ukumelana nayo iphindwe kabili kunesilinganiso esiphezulu sevoltheji yokusebenza ehlehlayo;② Umthamo wamanje uphindwe kabili kunesilinganiso esiphezulu sokusebenza samanje;③ Izinga lokushisa lokuhlangana kufanele libe ngaphezu kwezinga lokushisa langempela lokuhlangana;④ Ukumelana nokushisa okuncane;⑤ ukwehla kwengcindezi encane.
(1) Izakhiwo zikagesi
Ukusebenza kukagesi kwebhokisi le-PV module junction ikakhulukazi kufaka phakathi amapharamitha afana ne-voltage yokusebenza, ukusebenza kwamanje, nokumelana.Ukulinganisa ukuthi ibhokisi lokuhlangana lifanelekile yini, ukusebenza kukagesi kuyisixhumanisi esibalulekile.
① I-voltage esebenzayo
Lapho i-voltage ebuyela emuva kuyo yonke i-diode ifinyelela inani elithile, i-diode izophuka futhi ilahlekelwe ukuqhutshwa kwe-unidirectional.Ukuze kuqinisekiswe ukuphepha kokusetshenziswa, i-voltage ephezulu yokusebenza ehlehlayo icacisiwe, okungukuthi, i-voltage ephezulu yedivayisi ehambisanayo lapho ibhokisi lokuhlangana lisebenza ngaphansi kwezimo ezijwayelekile zokusebenza.I-voltage esebenzayo yamanje yebhokisi le-PV junction ngu-1000V (DC).
②Izinga lokushisa lamanje
Eyaziwa nangokuthi i-working current, ibhekisela enanini eliphezulu lamanje eliya phambili elivunyelwe ukudlula ku-diode uma lisebenza ngokuqhubekayo isikhathi eside.Lapho i-current igeleza ku-diode, i-die iyashiswa futhi izinga lokushisa liyakhuphuka.Uma izinga lokushisa lidlula umkhawulo ovunyelwe (cishe u-140°C kumashubhu e-silicon kanye no-90°C wamashubhu e-germanium), ifa lizoshisa ngokweqile futhi lonakaliswe.Ngakho-ke, i-diode esetshenziswayo akufanele idlule inani elilinganiselwe elisebenzayo lamanje le-diode.
Lapho umphumela we-hot spot kwenzeka, okwamanje kugeleza ku-diode.Ngokuvamile, lapho izinga lokushisa lesiphambano libe likhulu, iba ngcono, futhi iba nkulu ububanzi bokusebenza bebhokisi lokuhlangana.
③Ukumelana nokuxhumana
Asikho isidingo esicacile sobubanzi bokumelana nokuxhuma, sibonisa kuphela ikhwalithi yokuxhumana phakathi kwetheminali nebha yebhasi.Kunezindlela ezimbili zokuxhuma amatheminali, eyodwa iwukuxhumanisa i-clamping kanti enye iwukushisela.Zombili izindlela zinezinzuzo kanye nokubi:
Okokuqala, i-clamping iyashesha futhi ukugcinwa kulula, kodwa indawo ene-terminal block incane, futhi uxhumano aluthembeki ngokwanele, okuholela ekuphikisweni kokuxhumana okuphezulu futhi kulula ukushisa.
Okwesibili, indawo yokuhambisa yendlela yokushisela kufanele ibe mncane, ukumelana nokuxhumana kufanele kube kuncane, futhi uxhumano kufanele luqine.Kodwa-ke, ngenxa yokushisa okuphezulu kwe-soldering, i-diode kulula ukuyishisa ngesikhathi sokusebenza.
(2) Ububanzi be-Welding Strip
Okubizwa ngokuthi ububanzi be-electrode bubhekisela kububanzi bomugqa ophumayo wephaneli yelanga, okungukuthi, ibha yebhasi, futhi ihlanganisa isikhala phakathi kwama-electrode.Uma kucatshangelwa ukumelana nezikhala zebhasi, kunezincazelo ezintathu: 2.5mm, 4mm, no-6mm.
(3) Izinga Lokushisa Lokusebenza
Ibhokisi le-junction lisetshenziswa ngokuhambisana nephaneli yelanga futhi likwazi ukuguquguquka okuqinile emvelweni.Ngokuya ngezinga lokushisa, izinga lamanje ngu-40 ℃ ~ 85 ℃.
(4) I-Junction Temperature
Izinga lokushisa le-diode junction lithinta ukuvuza kwamanje endaweni engasebenzi.Ngokuvamile, ukuvuza kwamanje kuphinda kabili kukho konke ukukhuphuka kwezinga lokushisa ngama-degree ayi-10.Ngakho-ke, izinga lokushisa elilinganiselwe le-junction le-diode kufanele libe ngaphezu kwezinga lokushisa langempela lokuhlangana.
Indlela yokuhlola izinga lokushisa lokuhlangana kwe-diode imi kanje:
Ngemva kokushisisa iphaneli yelanga ibe ngu-75(℃) ihora elingu-1, izinga lokushisa le-bypass diode kufanele libe ngaphansi kunokushisa kwalo okuphezulu kokusebenza.Bese ukhuphula i-reverse yamanje ibe izikhathi ezingu-1.25 ze-ISC ngehora eli-1, i-bypass diode akufanele ihluleke.
(1) Isivivinyo
Amabhokisi e-Solar Junction kufanele ahlolwe ngaphambi kokusetshenziswa.Izinto eziyinhloko zihlanganisa ukubukeka, ukubekwa uphawu, ukukala ukumelana nomlilo, ukufaneleka kwe-diode, njll.
(2) Indlela Yokusebenzisa Ibhokisi Lokuhlanganisa Ilanga
① Sicela uqiniseke ukuthi ibhokisi le-solar junction lihloliwe futhi lifanelekile ngaphambi kokusetshenziswa.
② Ngaphambi kokufaka i-oda lokukhiqiza, sicela uqinisekise ibanga phakathi kwamatheminali kanye nenqubo yesakhiwo.
③Lapho ufaka ibhokisi lokuhlangana, sebenzisa iglue ngokulinganayo nangokuphelele ukuze uqinisekise ukuthi umzimba webhokisi kanye nendiza yangemuva yephaneli yelanga kuvalwe ngokuphelele.
④Qiniseka ukuthi uhlukanisa izigxobo eziphozithivu nezingezinhle uma ufaka ibhokisi lokuhlangana.
⑤ Uma uxhuma ibha yebhasi kutheminali yokuxhumana, qiniseka ukuthi ubheka ukuthi ukungezwani phakathi kwebha yebhasi netheminali kwanele yini.
⑥ Uma usebenzisa amatheminali wokushisela, isikhathi sokushisela akufanele sibe side kakhulu, ukuze singalimazi i-diode.
⑦Uma ufaka ikhava yebhokisi, qiniseka ukuthi uyibamba ngokuqinile.
I-Dongguan Slocable Photovoltaic Technology Co.,LTD.
Engeza:Guangda Manufacturing Hongmei Science and Technology Park, No. 9-2, Hongmei Section, Wangsha Road, Hongmei Town, Dongguan, Guangdong, China
TEL:0769-22010201
