Ukuhlaziywa Kwembangela Yengozi Yomlilo ku-DC Side ye-PV Power Generation System

Amasistimu okukhiqiza amandla e-Photovoltaic aya ngokusondelana nezimpilo zethu.Isibalo esilandelayo sibonisa ezinye zezingozi zezinhlelo zokukhiqiza amandla e-photovoltaic, okufanele zivuse ukunakwa okukhulu kwabasebenzi be-photovoltaic.

Izizathu zimi kanje:

1. I-Pin Crimping yekhebula le-PV kanye nesixhumi azifanelekile

Ngenxa yekhwalithi engalingani yabasebenzi bezokwakha, noma iqembu lokwakha alizange linikeze ukuqeqeshwa kochwepheshe kubaqhubi, ukukhwabanisa okungafanelekile kwezikhonkwane zesixhumi se-photovoltaic kuyisizathu esiyinhloko sokuxhumana okungalungile phakathi kwekhebula le-PV nesixhumi, kodwa futhi enye yezinto eziyinhloko. izimbangela zezingozi ezinhlelweni zokukhiqiza amandla e-photovoltaic.Ikhebula le-Photovoltaic nesixhumi kuwuxhumano olulula, ikhebula elingenalutho elicishe libe ngu-1000V lingawa kusixhumi nganoma isiphi isikhathi ophahleni lukakhonkolo, kubangele izingozi zomlilo.

Uma ufuna ukwazi i-oda elilungile lokufaka lesixhumi se-MC4, ungafunda:Uzenza kanjani izixhumi ze-MC4?

2. Inkinga Efanisiwe Yezixhumi Ze-PV Zelanga Zemikhiqizo Ehlukene

Ngokomthetho,Izixhumi zelanga ze-PVyomkhiqizo ofanayo kanye nemodeli kufanele kusetshenziselwe ukuxhumana.I-inverter ngayinye ngokuyisisekelo iza nenombolo efanayo yezixhumi ze-photovoltaic, sicela uqiniseke ukuthi usebenzisa izixhumi ezifanayo ukuze uzifake.Uma nje ifakwe ngendlela efanele, ukuxhumana ohlangothini lwe-inverter ngokuvamile akuyona inkinga.Nokho, kusenenkinga ngasohlangothini lwengxenye.Ngenxa yezinhlobonhlobo zemikhiqizo yezixhumi ze-photovoltaic emakethe, imboni yengxenye ayizange inikeze izixhumi ezifanayo.

Sineziphakamiso ezintathu zalokhu: okokuqala, thenga izixhumi zephaneli ye-pv yomkhiqizo ofanayo namaphaneli elanga;Okwesibili, sika isixhumi ekupheleni kwentambo bese usishintsha ngesixhumi somkhiqizo ofanayo nohlobo;Okwesithathu, uma kufanele usebenzise izixhumi ze-PV zemikhiqizo ehlukene, ungasika isethi yazo bese uzifaka nezixhumi ozithengile.Uma isixhumi sixhuma ngokushelelayo, yenza isenzo sokufutha kuzixhumi ezixhunywe phakathi.Uma kukhona ukuvuza komoya, leli qoqo lemikhiqizo alikwazi ukusetshenziswa ndawonye.Bese usebenzisa i-multimeter ukuze uhlole ukuthi izixhumi ezixhunywe phakathi zixhunyiwe yini.Ayikwazi ukusetshenziswa uma inqanyuliwe.Ngenxa yenkinga yokuhambisana, ukuthintana kabi noma ukuvuza kwamanzi nakho kungenye yezimbangela zezingozi zomlilo.

Kungani kunganconywa ukuthi kusetshenziswe izixhumi zemikhiqizo ehlukene?, isizathu esiyinhloko siwukuthi abakhiqizi abahlukahlukene bangase bathi imikhiqizo yabo ingahambisana ne-Stäubli's MC4.Ngisho noma kunjalo, ngenxa yenkinga yokubekezelelana okuhle nokubi, asikho isiqinisekiso sokuthi imikhiqizo yabakhiqizi abangewona i-Stäubli ingahambisana nomunye nomunye.Uma izinhlobo ezimbili ezihlukene zezixhumi ze-photovoltaic zinombiko wokuhlola we-inter-mating, ungawusebenzisa ngokuzethemba.

3. Isigxobo esisodwa noma Eziningana Zesekethe Enhle noma Embi ye-PV String ixhumeke ngokuhlehla

Ngokuvamile, i-inverter iqukethe ama-MPPT amaningi.Ukuze kuncishiswe izindleko, akunakwenzeka ukuthwala i-MPPT eyodwa yesekethe ngayinye.Ngakho-ke, ngaphansi kwe-MPPT eyodwa, amasethi angu-2~3 wezixhumi ze-photovoltaic ngokuvamile afakwa ngokufana.I-inverter ethi inomsebenzi woxhumano oluhlehlayo ingaqinisekisa kuphela ukuvikeleka kokuxhumeka okuhlehlayo lapho ishaneli eyodwa noma amaningi e-MPPT efanayo exhunywe ngokuhlehla ngesikhathi esifanayo.Uma ngaphansi kwe-MPP efanayo, ingxenye yayo ihlehliswa, ilingana nokuxhuma izigxobo eziphozithivu nezinegethivu zamaphakethe amabili ebhethri ahluke ngokuphelele anevoltheji ecishe ibe ngu-1000V.Eyamanje ekhiqizwa ngalesi sikhathi izoba engapheli, alukho uxhumano lwegridi ukwenza isixhumi esiseceleni kwe-inverter noma ingozi yomlilo ye-inverter.

Isihluthulelo sokuxazulula izinkinga ezinjalo noma ukwakhiwa kwezinkinga ezivamile, ngemva kokuphothulwa kokubekwa kwezingxenye, ngokuya ngemidwebo yokuklama ulayini wentambo ye-DC, ikhebula ngalinye elibomvu le-PV DC konke ukuhlonza okuhle, ukuze kugcinwe kanye nokuhlonza izintambo ngokungaguquki.Nawu umusho ungasetshenziswa njengokuqeqesha: “ingxenye ephozithivu, umugqa wokunweba uyisandiso nje somugqa oqondile wengxenye, kufanele ube phozithivu”.Mayelana nokumakwa kwekhebula lesandiso semojuli, qiniseka ukuthi izintambo ezihlukene ekugcineni kwe-inverter azilokothi zidideke.

4. Ukusebenza Okungangeni Manzi Kwe-Positive O-Ring Yesixhumi kanye ne-T-ring ye-Tail End Akukho Kusezingeni Elivamile.

Izinkinga ezinjalo zingase zingenzeki ngesikhathi esifushane, kodwa uma kuyinkathi yemvula, futhi isixhumi se-PV cable connectors sisendaweni enemvula.I-high-voltage direct current izokwakha iluphu nomhlabathi, okuholela engozini yokuvuza kukagesi.Le nkinga ukukhethwa kwesixhumi, futhi cishe akekho ozonaka inkinga yangempela engenamanzi yesixhumi.I-IP65 engangeni manzi kanye ne-IP67 yesixhumi se-photovoltaic yizimfuneko, futhi kufanele ihambisane nentambo ye-photovoltaic yosayizi ohambisanayo.Isibonelo, i-MC4 evamile ye-Stäubli inamamodeli amathathu osayizi abahlukene: 5~6MM, 5.5~7.4MM, 5.9~8.8MM.Uma ububanzi bangaphandle bekhebula bungu-5.5, izixhumi ze-Stäubli ezijikeleza emakethe aziyona inkinga enkulu, kodwa Uma othile ekhetha i-MC4 ka-5.9-8.8MM, ingozi efihliwe yokuvuza kwengozi iyohlala ikhona.Endabeni ye-O-ring yangaphambili, izixhumi ezijwayelekile ze-photovoltaic ezijwayelekile kanye nabakhiqizi bazo babhangqwe nezinkinga ezimbalwa ezingangeni manzi, kodwa ngaphandle kokuhlolwa nabanye abakhiqizi ukuthi bahambisane nokusetshenziswa kwezinkinga zokungangeni kwamanzi kungenzeka kakhulu.

5. Izixhumi ze-PV DC noma Amakhebula e-PV asendaweni enomswakama Isikhathi Eside

Cishe wonke umuntu ucabanga ukuthi izingxenye eziqhutshwayo zezintambo ze-photovoltaic nezixhumi ze-photovoltaic zihlanganiswe nezinye izinto, futhi izixhumi ze-PV kuthiwa azinamanzi.Eqinisweni, ukungangeni kwamanzi akusho ukuthi ingagcinwa emanzini isikhathi eside.Isixhumi selanga se-IP68 sisho ukuthi isixhumi se-photovoltaic esifakwe ngaphambili esinekhebula sicwiliswa emanzini, futhi phezulu sikude ngemitha engu-0.15~1 ukusuka endaweni yamanzi imizuzu engu-30 ngaphandle kokuphazamisa ukusebenza.Kodwa kuthiwani uma ifakwe emanzini izinsuku ezingu-10 noma ngaphezulu?

Izintambo ze-PV okwamanje ezisemakethe ezihlanganisa i-PV1-F, i-H1Z2Z2-K, i-62930IEC131 zingaba futhi isikhathi esifushane, njenge-drench emfushane, noma ngisho nokuqoqwa kwamanzi, kodwa isikhathi samanzi asikwazi ukuba side kakhulu, ukugeleza ngokushesha futhi umoya owomile.Umlilo wekhebula le-Photovoltaic ngoba uhlangothi lokwakhiwa kwekhebula le-photovoltaic elingcwatshwe endaweni enamaxhaphozi, ngamanzi okucwiliswa isikhathi eside, ikhebula le-photovoltaic ekungeneni kwamanzi okubangelwa ukuwohloka kokusha kwe-arc.Kulokhu kugcizelelwa okukhethekile, ukubeka ikhebula le-photovoltaic ngokusebenzisa i-tube cishe kuvutha umlilo, isizathu ukuqoqwa kwamanzi isikhathi eside kupayipi le-PVC.Uma udinga ukubeka ngepayipi lepayipi le-PVC, khumbula ukubeka umlomo wepayipi le-PVC phansi, noma ezingeni eliphansi kakhulu lamanzi lepayipi le-PVC ukuze ubhoboze izimbobo ezithile ukuvimbela ukunqwabelana kwamanzi.

Njengamanje, ikhebula le-photovoltaic elingangeni manzi, inqubo yokukhiqiza engangeni manzi yangaphandle ekhethiwe ye-AD8, abanye abakhiqizi basekhaya basebenzisa ukugoqa umgoqo wamanzi, kanye nefomu lokukhiqiza elihlanganisiwe le-aluminium-plastic.

Okokugcina, izintambo ezijwayelekile ze-photovoltaic azikwazi ukucwiliswa emanzini isikhathi eside, futhi azikwazi ukuphathwa endaweni yokushisa ephezulu kanye nomswakama ophezulu isikhathi eside.Kusukela kulokhu, izisebenzi zokwakha zingenza umsebenzi ojwayelekile ngokuhambisana nokwakhiwa kwangempela.

6. I-PV Cable Skin Sklwejwa noma Igotshwe Kakhulu Ngesikhathi Senqubo Yokubeka

Ukunwaya isikhumba sekhebula kuzonciphisa kakhulu ukusebenza kokufakwa kwe-insulation kanye nokumelana nesimo sezulu kwekhebula.Ekwakhiweni, ukugoba ikhebula kuvamile.Izinga libeka ukuthi ububanzi obuncane bokugoba kufanele bube bukhulu kunobukhulu obuphindwe ka-4 kunobubanzi bekhebula, futhi ububanzi bezintambo ze-photovoltaic eziyisikwele ezingu-4 bungaba ngu-6MM.Ngakho-ke, ububanzi be-arc ekugobeni akufanele kube ngaphansi kuka-24MM, okulingana nomama Ubukhulu bombuthano owenziwe ngomunwe kanye nomunwe wenkomba.

7. Esimeni Esixhunywe Igridi, Xhuma futhi Ukhiphe Isixhumi se-PV DC

Esimeni sokuxhunywa kwegridi, ukuxhuma nokukhipha isixhumi kuzokhiqiza i-arc kagesi, okungenzeka ibangele izingozi zokulimala.Uma i-arc iqhubeka nokuthungela izinto ezivuthayo, izodala ingozi enkulu.Ngakho-ke, qiniseka ukuthi wenza isondlo ngemuva kokunqamula ukunikezwa kwamandla kagesi we-AC, futhi uhlelo lwe-photovoltaic kufanele luvalwe njalo ukuze kuqinisekiswe ukuphepha kwesikhathi eside.

8. Noma yiliphi Iphuzu ku-PV String Loop Liyamiswa noma Lenza Indlela Ngebhuloho

Isimo esidala ukuthi noma yiliphi iphuzu ku-PV string looop limiswe phansi noma lenze iphaseji elinebhuloho liyinkimbinkimbi kakhulu, okuhlanganisa ukucwiliswa isikhathi eside kwezintambo ze-PV okukhulunywe ngazo ngenhla, ukufakwa kwezixhumi ze-PV emigqeni yokunwetshwa, kanye ubuso bezintambo eziklwejwayo ngesikhathi sokwakhiwa noma isikhumba sekhebula singalunywa igundane ngesikhathi sokusetshenziswa, futhi umbani uzophuka, njll.