Kuonetsetsa Kuti Zolumikizira za Dzuwa Zimakhala Zolimba: Momwe Zolumikizira za Dzuwa Zimapirira Mavuto Achilengedwe

Chiyambi

Zolumikizira za Dzuwa Zingakhale zazing'ono, koma m'makina amakono a PV amakhala ndi mphamvu ya DC yamagetsi amphamvu kwambiri kwa zaka zambiri kutentha, kuzizira, kuwonekera kwa UV, chinyezi, mchere, ndi kuipitsidwa ndi mankhwala. Kulimba kwawo kumakhudza mwachindunji chitetezo, mphamvu, ndi ndalama zosamalira kwa nthawi yayitali, makamaka m'malo ogwiritsira ntchito magetsi ndi malo ogulitsira komwe kulumikizana kumodzi kofooka kumatha kuwononga chingwe chonse. Nkhaniyi ikuwunika mavuto azachilengedwe omwe ma solar connectors amakumana nawo, njira zomangira ndi zotsekera zomwe zimawathandiza kupewa kukalamba ndi dzimbiri, komanso njira zolephera zomwe zimawonekera chitetezocho chikalephera, kupereka maziko othandiza poyesa kudalirika kwa ma connector m'mikhalidwe yovuta yamunda.

Chifukwa Chake Kulimba kwa Cholumikizira cha Dzuwa N'kofunika

Zolumikizira za dzuwa zimakhala ngati malo ofunikira olumikizirana mu ma utility-scale ndi ma commercial photovoltaic (PV), omwe ali ndi ntchito yotumiza mphamvu mosamala kwa zaka makumi ambiri akugwira ntchito mosalekeza. Pamene ma voltage a makina amakampani awonjezeka kufika pa 1500V DC kuti iwonjezere mphamvu yotumizira, zofuna zomwe zimayikidwa pazinthu zazing'onozi zakula kwambiri. Kulumikizana kumodzi komwe kwasokonekera kumatha kuyika pachiwopsezo mphamvu ya chingwe chonse, zomwe zimapangitsa kuti kulimba kwa kapangidwe kake ndi chilengedwe zikhale zofunikira kwambiri m'malo mongowonjezera zina.

Zotsatira za malo ovuta pa kudalirika kwa cholumikizira

Machitidwe a photovoltaic amagwira ntchito m'malo ena omwe sali abwino padziko lonse lapansi, zomwe zimapangitsa kuti zomangamanga zikhale ndi mavuto azachilengedwe nthawi zonse. zolumikizira za dzuwa zolimba zachilengedwe mayankho ndi ofunika kwambiri, monga zigawo ziyenera kupirira kutentha kwa tsiku ndi tsiku pa kutentha kozungulira kuyambira -40°C mpaka +85°C. Pa nthawi yonse ya ntchito ya zaka 25, kukula ndi kufupika kumeneku kosalekeza kumatha kufooketsa kwambiri zisindikizo zamakina ndi kukhudzana kwachitsulo.

Kupitirira kusinthasintha kwa kutentha, kuchuluka kwa kuwala kwa ultraviolet (UV) Ma polymer housings osalimba amawonongeka pang'onopang'ono, zomwe zimapangitsa kuti awonongeke komanso kuti asawonongeke. Ma PV okhala m'mphepete mwa nyanja, a zaulimi, kapena oyandama amawonjezera zoopsa zina za mankhwala, makamaka mchere ndi kuchuluka kwa ammonia, zomwe zimathandizira kuti galvanic corrosion ichitike ngati zinthu zoyendetsera mkati sizimatsekedwa bwino kuti zisalowe chinyezi ndi mpweya.

Njira zodziwika bwino zolephera ndi zoopsa zogwirira ntchito

Chitetezo cha chilengedwe chikalephera, zoopsa zogwirira ntchito zimawonjezeka mofulumira. Njira yolephera yomwe imachitika kawirikawiri imaphatikizapo kuwonjezeka pang'onopang'ono kwa kukana kukhudzana. Ngati chinyezi sichidutsa mphete za O zomwe zawonongeka, okosijeni amapangika pamapini achitsulo amkati, zomwe zimapangitsa kukana kukhudzana kupitirira malire okhazikika a chitetezo a 0.5 mΩ. Kukana kumeneku kumapanga kutentha komweko, ndikupanga kuzungulira kwa kutentha kowononga.

Pamapeto pake, kuwonongeka kwakukulu kumawonekera ngati kutentha komwe kumachoka, micro-arcing, kapena kusungunuka kwathunthu kwa nyumba ya polima ya cholumikizira. Deta yamakampani ikuwonetsa kuti zolumikizira za DC zolakwika, zowonongeka, kapena zosalumikizidwa bwino ndizo zimayambitsa moto wopitilira 70% wa makina a PV omwe adanenedwa. Ziwerengerozi zikuwonetsa zovuta zazikulu zachitetezo ndi kutayika kwakukulu kwa ndalama zomwe zimagwirizanitsidwa ndi kusasamala kulimba mtima kwa chilengedwe panthawi yogula.

Zomwe Zimatsimikizira Kulimba kwa Cholumikizira cha Dzuwa

Kulimba kwa malo olumikizirana a PV kumayendetsedwa ndi sayansi yokhwima ya zinthu ndi uinjiniya wolondola. Opanga ayenera kulinganiza mphamvu zamagetsi ndi kulimba kwa makina kuti atsimikizire kuti zida zake zipulumuka zaka makumi ambiri popanda kuwononga mphamvu zonse zamagetsi kapena chitetezo cha makinawo.

Zinthu zofunika pakupanga, zipangizo, ndi satifiketi

Ma connector housings apamwamba nthawi zambiri amapangidwa ndi jakisoni kuchokera ku Polyphenylene Ether (PPE) kapena Polycarbonate (PC). Mapulasitiki apaderawa amapereka kukana kwa UV kwambiri ndipo amafika pamlingo wapamwamba woyaka, makamaka muyezo wa UL94 V-0. Mkati mwake, ma ductive pins amapangidwa kuchokera ku zitsulo zamkuwa zoyera kwambiri ndipo amapakidwa ndi tin kapena siliva wokhuthala kuti apewe kukhuthala ndikuwonetsetsa kuti kukhuthala kwa nthawi yayitali sikutaya mphamvu.

Zitsimikizo zimakhala ngati maziko ofunikira poyesa kulimba. Zigawo ziyenera kukwaniritsa miyezo yapadziko lonse lapansi, makamaka IEC 62852 ndi UL 6703. Ma protocol awa amapereka zolumikizira ku mayeso ofulumira a ukalamba, monga kutentha konyowa (nthawi zambiri 85°C pa chinyezi cha 85% kwa maola 1,000) komanso kuwonetsedwa kwambiri ndi UV, kutsimikizira kuti mphamvu yamakina ndi kukana kwa dielectric insulation sikunasinthe ngakhale pamavuto aakulu.

Momwe mungafananizire zofunikira, zipangizo, ndi kusindikiza

Pofufuza zofunikira zaukadaulo, magulu ogula ayenera kuyang'ana kupitirira kutsatira malamulo oyambira. Zolumikizira zapamwamba zimakhala ndi mphete zapamwamba za silicone O ndi mapangidwe otsekera a nati kuti zisunge chitetezo chenicheni cha IP68, kuonetsetsa kuti zimakhalabe zosalowa madzi ngakhale zitamizidwa pansi pa kuya kwa mita imodzi kwa maola 24.

Kuyerekeza ziwerengerozi kumatsimikizira kuti ogula amasankha zinthu zomwe zikugwirizana ndi mbiri yeniyeni ya malo awo. Kufotokozera kukana kukhudzana ndi zinthu komanso chitetezo chabwino kwambiri cha kulowa Zimaletsa kusintha kwa zinthu zina msanga komanso kuchepetsa mtengo wa mphamvu womwe umagwiritsidwa ntchito nthawi yayitali (LCOE).

Momwe Mungatsimikizire Kulimba kwa Cholumikizira Pochita

Ngakhale zinthu zopangidwa bwino kwambiri sizingagwire ntchito ngati sizigwiritsidwa ntchito bwino kapena kuchokera ku zinthu zopangidwa mosagwirizana. Kuonetsetsa kuti zinthuzo ndi zolimba kwa nthawi yayitali kumafuna kuyang'aniridwa mosamala panthawi yokhazikitsa zinthu m'munda komanso njira yolongosoka, yochokera ku deta, kuti zitsimikizire kuti wogulitsa ali ndi luso loyenerera.

Kuyang'anira, kuyesa, kukhazikitsa, ndi kukonza

Kulimba kwa malo kumadalira kwambiri njira zokhazikitsira bwino. Okhazikitsa ayenera kugwiritsa ntchito zida zokhoma zoyendetsedwa ndi wopanga kuti atsimikizire kuti kulumikizana kwa chingwe ndi pini kukukwaniritsa malire ofunikira, omwe malangizo okhazikika amanena kuti ayenera kupitirira 310N pa chingwe cha PV cha 4mm². Kupindika kosayenerera kumasiya mipata yaying'ono kumene chinyezi chingaunjikane, zomwe zimapangitsa kuti dzimbiri la waya wamkati lizikula mofulumira.

Kuphatikiza apo, akatswiri ayenera kutsatira malangizo enieni a mphamvu ya chingwe cha cholumikizira—nthawi zambiri pakati pa 2.5 Nm ndi 3.0 Nm. Kulimbitsa kwambiri kumatha kuswa nyumba ya pulasitiki, pomwe kulimbitsa pang'ono sikungagwire bwino chisindikizo cha IP68. Kuwunika kofunikira kosamalira kumaphatikizaponso kutsimikizira kuti kulumikizana (mapulagi olumikizira kuchokera kwa opanga osiyanasiyana) sikunachitike. Kugwirizanitsana kophatikizana kumadzichotsera zokha ziphaso zoyendetsera ndipo kumatha kuwonjezera kukana kwa kulumikizana ndi 300% chifukwa cha kusagwirizana kwa miyeso yaying'ono.

Kuwunika kwa ogulitsa ndi njira zogulira

Poyesa ogulitsa kuti agwiritse ntchito zinthu zambiri, ogula ayenera kuyang'anitsitsa momwe opanga amagwirira ntchito. Kuwunika ogulitsa kumaphatikizapo kuwunikanso kuchuluka kwa zolakwika zomwe adakumana nazo kale, zomwe ziyenera kukhala pansi pa magawo 50 pa miliyoni (PPM) kuti apeze zinthu zofunika kwambiri za DC kuti zitsimikizire kuti zinthuzo zikugwirizana ndi batch-to-batch.

Magulu ogula ayeneranso kuwunika kusinthasintha kwa unyolo wogulira, pozindikira kuti kuchuluka kwa maoda ocheperako (MOQs) nthawi zambiri kumakhala pakati pa mayunitsi 1,000 mpaka 5,000 pamaoda achindunji a fakitale. Ogula ayenera kufunsa malipoti athunthu oyesera gulu lachitatu asanalandire kutumizidwa. Pomaliza, kupeza njira yopezera chitsimikizo cha malonda cha zaka 10 mpaka 15 mwachindunji kuchokera kwa wopanga chitsimikizo kuti miyezo yokhazikika yomwe yatchulidwa idzathandizidwa ndi chitetezo cha ndalama chomwe chingagwiritsidwe ntchito panthawi yonse yofunikira kwambiri ya polojekitiyi.

Mfundo Zofunika Kwambiri

• Zomaliza zofunika kwambiri komanso zifukwa zotsimikizira kuti zinthu zikuyenda bwino: Momwe ma solar connectors amapirira mavuto azachilengedwe
• Mafotokozedwe, kutsata malamulo, ndi macheke owopsa oyenera kutsimikiziridwa musanachite izi
• Njira zotsatila zogwira mtima komanso machenjezo omwe owerenga angagwiritse ntchito nthawi yomweyo

Mafunso Ofunsidwa Kawirikawiri

N’chifukwa chiyani kulimba kwa cholumikizira n’kofunika kwambiri mu makina a PV?

Cholumikizira chowonongeka chingakweze kukana kulumikizana, kupanga kutentha, ndikuchepetsa kutulutsa kwa zingwe. Pazochitika zazikulu, zolumikizira za DC zosauka kapena zowonongeka zingayambitse kuphulika, kusungunuka, kapena ngozi ya moto.

Ndi zinthu ziti zachilengedwe zomwe zimawononga kwambiri zolumikizira za dzuwa?

Zinthu zazikulu zomwe zingawononge chilengedwe ndi kutentha, kuwala kwa dzuwa, kulowa kwa chinyezi, mchere, ndi ammonia. Izi zimatha kuswa makoma, kufooketsa ma seal, komanso kuwononga chitsulo pakapita nthawi.

Kodi ndi zinthu ziti zomwe ogula ayenera kuyang'ana kaye?

Ikani patsogolo IEC 62852 kapena UL 6703 kutsatira malamulo, kutseka kwa IP68, kukana kukhudzana ndi magetsi, nyumba yoteteza ku UV/PC, komanso malo ogwirira ntchito osiyanasiyana monga -40°C mpaka +90°C.

Ndingadziwe bwanji ngati cholumikizira chili choyenera malo a m'mphepete mwa nyanja kapena malo olimapo?

Yang'anani ngati pali kutseka kwamphamvu komanso kukana dzimbiri. Pa malo ovuta, sankhani zolumikizira zomwe zili ndi chitetezo cha IP68, zolumikizira zamkuwa zophimbidwa ndi chitsulo kapena siliva, komanso chitsimikizo cha utsi wamchere monga IEC 61701 Level 6.

Kodi okhazikitsa angathandize bwanji zolumikizira kukhala nthawi yayitali?

Gwiritsani ntchito zolumikizira zoyenera zokha, onetsetsani kuti zikugwirizana bwino ndipo zikugwira ntchito molimba, pewani zotsekera zowonongeka, ndipo yang'anani ngati pali chinyezi kapena kutentha kwambiri panthawi yokonza. Kuyika koyipa kungawononge ngakhale mapangidwe apamwamba.