Uhlalutyo lweMbangela yeNgozi yoMlilo kwi-DC Side yePV yeNkqubo yokuVelisa amandla

Iinkqubo zokuvelisa amandla e-Photovoltaic zisondela kwaye zisondele kubomi bethu.Lo mfanekiso ulandelayo ubonisa ezinye iimeko zengozi zenkqubo yokuvelisa amandla e-photovoltaic, ekufuneka ivuse ingqwalasela enkulu yabasebenzi be-photovoltaic.

Izizathu zezi zilandelayo:

1. I-Pin Crimping ye-PV Cable kunye ne-Connector ayifanelekanga

Ngenxa yomgangatho ongalinganiyo wabasebenzi bokwakha, okanye iqela lokwakha alizange libonelele ngoqeqesho lobuchwephesha kubaqhubi, i-crimping engafanelekanga yezikhonkwane ze-photovoltaic connector sesona sizathu siphambili soqhagamshelwano olubi phakathi kwentambo ye-PV kunye nekhonkco, kodwa enye yezona zinto ziphambili. izizathu zeengozi kwiinkqubo zokuvelisa amandla e-photovoltaic.Intambo ye-Photovoltaic kunye nekhonkco ludibaniso olulula nje, phantse i-1000V intambo engenanto inokuwa kwikhonkco nanini na kuphahla lwekhonkrithi, okubangela iingozi zomlilo.

Ukuba ufuna ukwazi ulandelelwano oluchanekileyo lofakelo lwesiqhagamshelo seMC4, unokufunda:Zenziwa njani ii-MC4 Connectors?

2. Ingxaki yokuMatanisa ye-PV ye-Solar Connectors yee-Brand ezahlukeneyo

Kumthetho,Izihlanganisi zelanga zePVyophawu olufanayo kunye nemodeli kufuneka isetyenziswe kuqhagamshelo.I-inverter nganye ngokusisiseko iza nenani elifanayo le-photovoltaic connectors, nceda uqiniseke ukuba usebenzisa izihlanganisi ezihambelanayo ukufaka.Ngethuba nje ifakwe ngokuchanekileyo, uxhulumaniso kwicala le-inverter aluyiyo ingxaki.Nangona kunjalo, kusekho ingxaki kwicala lecandelo.Ngenxa yeendidi zeemveliso ze-photovoltaic connectors kwimarike, i-factory yecandelo ayizange ibonelele izixhumi ezihambelanayo.

Sineziphakamiso ezintathu zoku: okokuqala, thenga izixhumi zepaneli ze-pv zophawu olufanayo njengeepaneli zelanga;Okwesibini, unqumle umdibaniso ekupheleni komtya kwaye ubeke endaweni yokudibanisa uphawu olufanayo kunye nohlobo;Okwesithathu, ukuba kufuneka usebenzise izihlanganisi zePV zeempawu ezahlukeneyo, unokusika iseti yazo kwaye uzifake kunye nezihlanganisi ozithengileyo.Ukuba isinxibelelanisi siplaga ngokutyibilikayo, yenza isenzo sokuvuthela kwizihlanganisi ezifakwe phakathi.Ukuba kukho ukuvuza komoya, le bhetshi yeemveliso ayinakusetyenziswa kunye.Emva koko sebenzisa i-multimeter ukujonga ukuba ngaba ii-inter-plugged connectors zixhunyiwe.Ayinakusetyenziswa xa iqhawukile.Ngenxa yengxaki yokuhambelana, ukudibana kakubi okanye ukuvuza kwamanzi kukwayenye yezizathu zeengozi zomlilo.

Kutheni kungakhuthazwa ukuba izihlanganisi zeempawu ezahlukeneyo zisetyenziswe kunye?, esona sizathu sikukuba abavelisi abohlukeneyo banokubanga ukuba iimveliso zabo zinokuhambelana ne-MC4 kaStäubli.Nangona kunjalo, ngenxa yengxaki yokunyamezela okulungileyo kunye nokubi, akukho siqinisekiso sokuba iimveliso zabakhiqizi abangengabo baseStäubli banokuhambelana.Ukuba iimpawu ezimbini ezahlukeneyo ze-photovoltaic connectors zinengxelo yokuvavanya i-inter-mating, ungayisebenzisa ngokuzithemba.

3. ISekethe enye okanye iiPali ezininzi eziNgcono neziNegative zoMtya wePV ziQhagamshelwe uReverse.

Ngokubanzi, i-inverter iqulathe iiMPPT ezininzi.Ukuze kuncitshiswe iindleko, akunakwenzeka ukuthwala iMPPT enye kwisekethe nganye.Ngoko ke, phantsi kwe-MPPT enye, iiseti ze-2 ~ 3 ze-photovoltaic connectors zifakwa ngokubanzi ngokufanayo.I-inverter ebanga ukuba inodibaniso olubuyela umva umsebenzi inokuqinisekisa kuphela ukhuseleko lokubuyela umva xa itshaneli enye okanye ngaphezulu kweMPPT enye idityaniselwe umva ngaxeshanye.Ukuba phantsi kwe-MPP efanayo, inxalenye yayo ibuyiselwa umva, ilingana nokudibanisa iipali ezilungileyo kunye nezibi zeepakethi zebhetri ezichasene ngokupheleleyo kunye ne-voltage ephantse ibe yi-1000V.Ikhoyo ngoku eyenziwe ngeli xesha iya kuba yinto engapheliyo, akukho xhulumaniso lwegridi ukwenza i-inverter side connector okanye inverter fire accident.

Isitshixo ekusombululeni iingxaki ezinjalo okanye ukwakhiwa imiba normative, emva kokugqitywa ukubekwa amacandelo, ngokutsho DC cable umgca uyilo imizobo, ngalinye ebomvu PV DC intambo yonke ukuchongwa positive, ukugcina kunye ukuchongwa umtya ehambelanayo.Nasi isivakalisi esinokusetyenziswa njengoqeqesho: "icandelo eliqinisekileyo, umgca wokwandisa nje ulwandiso lomgca ochanekileyo wecandelo, kufuneka ube positive".Ngokumalunga nokumakishwa kwentambo yolwandiso lwemodyuli, qiniseka ukuba imitya eyahlukeneyo kwisiphelo se-inverter ayinakuze ibhideke.

4. Ukusebenza okungenakuManzi kwe-Positive O-Ring ye-Connector kunye ne-T-Ring ye-Tail End ayikho kwiMigangatho

Iingxaki ezinjalo zinokuthi zenzeke ngexesha elifutshane, kodwa ukuba lixesha lemvula, kwaye i-PV cable connectors connector ikwindawo enemvula.Umbane othe ngqo we-high-voltage uya kwenza i-loop kunye nomhlaba, okukhokelela kwingozi yokuvuza kombane.Le ngxaki kukukhethwa kwekhonkco, kwaye phantse akukho mntu uya kunikela ingqalelo kwingxaki yokwenene engenamanzi yokudibanisa.I-IP65 engenamanzi kunye ne-IP67 ye-photovoltaic connector ziyimfuneko, kwaye kufuneka ihambelane nekhebula le-photovoltaic lobungakanani obuhambelanayo.Umzekelo, i-MC4 yesiqhelo yaseStäubli ineemodeli ezintathu zobukhulu obahlukeneyo: 5~6MM, 5.5~7.4MM, 5.9~8.8MM.Ukuba i-diameter yangaphandle yekhebula yi-5.5, izixhumi ze-Stäubli ezijikelezayo kwimarike aziyongxaki enkulu, kodwa ukuba umntu ukhetha i-MC4 ye-5.9-8.8MM, ingozi efihliweyo yengozi yokuvuza iya kuhlala ikhona.Kumba we-O-ring ye-positive, i-standard standard photovoltaic connectors kunye nabavelisi babo badityaniswe neengxaki ezimbalwa zokungena kwamanzi, kodwa ngaphandle kokuvavanya kunye nabanye abavelisi ukuba bahambe kunye nokusetyenziswa kweengxaki zokungena kwamanzi zinokwenzeka kakhulu.

5. Iziqhagamshelo zePV DC okanye iiCables zePV zikwiNdawo eFumileyo ixesha elide

Phantse wonke umntu ucinga ukuba iinqununu ze-photovoltaic cables kunye ne-photovoltaic connectors zihlanganiswe nezinye izinto, kwaye izixhumi ze-PV zibizwa ngokuba zingenamanzi.Enyanisweni, ukungangeni kwamanzi akuthethi ukuba inokugcinwa emanzini ixesha elide.Isixhumi selanga se-IP68 sithetha ukuba i-photovoltaic efakwe ngaphambili kunye nekhebula ifakwe emanzini, kwaye phezulu i-0.15 ~ 1 mitha kude nomgangatho wamanzi imizuzu engama-30 ngaphandle kokuchaphazela ukusebenza.Kodwa kuthekani ukuba ibintywiliselwe emanzini kangangeentsuku ezili-10 okanye ngaphezulu?

Iintambo ze-PV okwangoku kwimarike kubandakanya i-PV1-F, i-H1Z2Z2-K, i-62930IEC131 inokuba lixesha elifutshane lokucwina, njenge-drench emfutshane, okanye ukuqokelela kwamanzi, kodwa ixesha lamanzi alinakuba lide kakhulu, ukuhamba ngokukhawuleza kunye nokuhamba ngokukhawuleza. umoya owomileyo.Photovoltaic cable umlilo kuba icala ulwakhiwo intambo photovoltaic wangcwatywa kwindawo engumgxobhozo, ngokufunxa amanzi ixesha elide, intambo photovoltaic ekungeneni kwamanzi okubangelwa ukuqhekeka arc ukutsha.Kulo gxininiso olukhethekileyo, ukubeka ikhebula le-photovoltaic ngokusebenzisa ityhubhu kunokwenzeka ukuba umlilo, isizathu kukuqokelela kwexesha elide lamanzi kwipayipi ye-PVC.Ukuba ufuna ukulalisa ngesingxobo sombhobho wePVC, khumbula ukuwuyeka umlomo wombhobho wePVC uwe phantsi, okanye kwelona nqanaba lisezantsi lamanzi kumbhobho wePVC ukugqobhoza eminye imingxuma ukuthintela ukufumba kwamanzi.

Okwangoku, intambo ye-photovoltaic engenamanzi, inkqubo yemveliso ye-AD8 ekhethiweyo yangaphandle, abanye abavelisi basekhaya basebenzisa i-aluminiyam-iplastiki edibeneyo ye-sheath yemveliso.

Ekugqibeleni, iintambo eziqhelekileyo ze-photovoltaic azikwazi ukucwiliswa emanzini ixesha elide, kwaye azikwazi ukuphathwa kwindawo yokushisa ephezulu kunye nomswakama ophezulu ixesha elide.Ukusuka koku, abasebenzi bokwakha banokwenza umsebenzi oqhelekileyo ngokudibanisa nokwakhiwa kwangempela.

6. I-PV Cable Skin ikrwelwe okanye igobile ngokugqithisileyo ngexesha leNkqubo yokuBeka

Ukukrwela ulusu lwekhebula kuya kunciphisa kakhulu ukusebenza kwe-insulation kunye nokumelana nemozulu yekhebula.Kulwakhiwo, ukugoba intambo kuqhelekile.Umgangatho uchaza ukuba ubuncinane bokugoba ububanzi kufuneka bube bukhulu kunamaxesha angama-4 ububanzi bekhebula, kunye nobubanzi be-4 square photovoltaic cables malunga ne-6MM.Ngoko ke, ububanzi be-arc kwi-bend akufanele kube ngaphantsi kwe-24MM, elilingana nomama Ubungakanani besangqa esenziwe ngumnwe kunye nesalathisi.

7. Kwi-Grid-Connected State, iplagi kwaye ukhuphe i-PV DC Connector

Kwimeko edibeneyo yegridi, ukuxhuma kunye nokukhupha ikhonkco kuya kuvelisa i-arc yombane, enokuthi ibangele izingozi zokulimala.Ukuba i-arc iqhubela phambili ivutha izinto ezinokutsha, iya kubangela ingozi enkulu.Ngoko ke, qiniseka ukuba wenze ukugcinwa emva kokuqhawula umbane we-AC, kwaye inkqubo ye-photovoltaic kufuneka ihlale ivaliwe ukuqinisekisa ukhuseleko lwexesha elide.

8. Nayiphi na iNqaku kwiPV String Loop iGrounded okanye yenza iNdlela ngeBridge

Imeko ebangela ukuba nayiphi na ingongoma kwi-PV string loop isekelwe okanye yenza isicatshulwa kunye nebhulorho inzima ngakumbi, kubandakanywa ukucwiliswa kwexesha elide leentambo ze-PV ezikhankanywe ngasentla, ukufakwa kwezixhumi ze-PV kwimigca yokwandisa, kunye umphezulu weentambo ezikrwelwayo ngexesha lokwakhiwa okanye isikhumba sekhebula sinokulunywa yimouse ngexesha lokusetyenziswa, kwaye umbane uya kuphuka, njl.