Njira Zatsopano Zopangira Zingwe Zapamwamba za Photovoltaic DC

Chiyambi

Zingwe zodalirika za DC za photovoltaic sizimafotokozedwa ndi zofunikira zokha; magwiridwe antchito awo enieni amadalira momwe ma conductor, insulation, shielding, ndi jekete zimapangidwira ndikuwongoleredwa pagawo lililonse lopanga. Nkhaniyi ikufotokoza njira zopangira zomwe zimakhudza kwambiri magwiridwe antchito amagetsi, kukhazikika kwa kutentha, kukana nyengo, komanso moyo wautali wautumiki pakukhazikitsa kwa dzuwa. Muwona momwe kusankha zinthu, kuluka kwa conductor, kulondola kwa extrusion, kulumikiza, ndi kuyesa kwabwino kumagwirira ntchito limodzi kuti muchepetse kutayika, kupewa kulephera msanga, ndikukwaniritsa zofunikira zofunika za 1500V DC ndi kulimba kwakunja. Ndi maziko amenewo, kukambiranaku kungapite ku njira ndi zowongolera zomwe zimasiyanitsa mtundu wapamwamba. Chingwe cha Photovoltaic kupanga.

Chifukwa chiyani kupanga ma cable a photovoltaic DC ndikofunikira

Kusintha kwa mphamvu zongowonjezwdwa kumadalira kwambiri kulimba ndi kugwira ntchito bwino kwa zomangamanga za dzuwa. Pakati pa zomangamanga izi pali zingwe zomwe zimanyamula mphamvu yolunjika (DC) kuchokera ku ma solar panels kupita ku mabokosi ophatikiza ndi ma inverter. Kulondola ndi khalidwe la njira yopangira zinthu kumatsimikizira mwachindunji chitetezo, kugwiritsa ntchito bwino magetsi, komanso kukhala ndi moyo kwa nthawi yayitali kwa gulu lonse la photovoltaic.

Kugwira ntchito, kudalirika kwa banki, ndi mtengo wa moyo wonse

Mapulojekiti a solar omwe amagwiritsidwa ntchito pamlingo wamagetsi amapangidwa malinga ndi zaka 25 mpaka 30 zomwe zimagwiritsidwa ntchito. Kuti zinthu ziyende bwino pamlingo uwu zimafunika zinthu zomwe zimatha kupirira zovuta zachilengedwe popanda kuwonongeka. Kupanga zinthu zabwino kwambiri kumachepetsa kukana kwa magetsi, zomwe zimapangitsa kuti kutayika kwa magetsi a DC kukhale pansi pa malire a makampani a 1% mpaka 2%. Kuphatikiza apo, kuthekera kwa polojekiti ya solar - kuthekera kwake kupeza ndalama zabwino - kumadalira kwambiri kugwiritsa ntchito zinthu za tier-1.

Zingwe ziyenera kupangidwa kuti zipirire kusinthasintha kwakukulu kwa kutentha, komwe nthawi zambiri kumayesedwa kuti kukhale kotentha kuyambira -40°C mpaka kutentha kosalekeza kwa conductor kwa +120°C. Kupanga kosakwanira kumawononga kulekerera kwa kutentha kumeneku, zomwe zimapangitsa kuti kutenthetsa kutentha kulephereke msanga, kuwonongeka kwa nthaka, komanso kukwera mtengo kwa moyo wonse chifukwa chosintha pafupipafupi komanso nthawi yogwira ntchito ya makina.

Mitundu ya zingwe, kapangidwe kake, ndi ntchito zake

Ma solar arrays amakono amagwiritsa ntchito kwambiri zingwe za single-core, zotetezedwa kawiri zomwe zimapangidwa kuti zigwiritsidwe ntchito pamagetsi amphamvu, makamaka makina a 1500V DC omwe alipo masiku ano. Kapangidwe kake nthawi zambiri kamakhala ndi ma conductor a mkuwa okhala ndi zingwe zopyapyala, zomwe zimapereka kusinthasintha kwabwino komanso kukana dzimbiri poyerekeza ndi mkuwa wopanda kanthu. Malo ofala pakati pa 4mm² ndi 10mm², osankhidwa kutengera mphamvu yofunikira ya chingwe.

Chotenthetsera ndi chigoba chakunja zimapangidwa kuchokera ku zinthu zolumikizidwa ndi polyolefin (XLPO), zomwe zimapangitsa kuti pakhale kukana kwakukulu ku kuwala kwa ultraviolet (UV), ozone, ndi kuphulika kwa makina. Kutengera ndi malo oyikamo - kaya malo osungiramo dzuwa oyandama, madenga a nyumba, kapena minda youma yachipululu - opanga ayenera kusintha mapangidwe a polima kuti awonjezere mawonekedwe enaake monga kukana madzi kapena kuletsa moto.

Njira zazikulu zopangira chingwe cha photovoltaic DC

Kupanga zingwe zomwe zimatha kupirira zaka zambirimbiri chifukwa cha kuwonongeka kwa chilengedwe kumafuna njira zamakono njira zopangira chingwe cha photovoltaic DCKusintha kwa njira zimenezi kwathandiza opanga kusiya kugwiritsa ntchito zipangizo zakale za PVC, zomwe zathandiza kuti ntchito yopangira zinthu izi ikhale yogwira mtima komanso yothandiza, komanso kukweza mphamvu yamagetsi ya chinthu chomalizidwa kuti chikwaniritse zosowa zamakono za dzuwa.

Kumanga, kuphatikiza, ndi kutulutsa

Kukonza kumayamba ndi kuyika ndi kuyika mawaya molondola. Kuti zitheke kusinthasintha kofunikira pakuyika m'munda (muyezo wa Gulu 5), mawaya ambiri amkuwa opangidwa ndi zitini amamangiriridwa mwamphamvu. Pambuyo poyika mawaya, magawo ophatikizana ndi otulutsa amaika zigawo zoteteza za XLPO. Zipangizo zamakono nthawi zambiri zimagwiritsa ntchito mizere yotulutsira ya tandem, kugwiritsa ntchito insulation yamkati ndi jekete lakunja nthawi imodzi pa liwiro lalikulu kuyambira mamita 300 mpaka 500 pamphindi.

Gawo lofunika kwambiri ndi kulumikizana, zomwe zimasintha polima ya thermoplastic kukhala chinthu cholimba cha thermoset. Kupanga kwapamwamba kumadalira kuwala kwa ma electron beam (e-beam), komwe chingwe chimadutsa mu accelerator yomwe imaphulitsa polima ndi mlingo wolondola wa radiation, nthawi zambiri pakati pa 10 ndi 15 Mrad. Izi zimapanga netiweki yolimba, yamitundu itatu yomwe imawongolera kwambiri kukhazikika kwa kutentha ndi makina.

Kuyerekeza njira zopangira

Poyesa njira zopangira, kusankha ukadaulo wolumikizirana ndiye chinthu chachikulu chomwe chimasiyanitsa msika. Ngakhale kuti e-beam irradiation ikuyimira muyezo wapamwamba kwambiri wa ntchito zogwiritsidwa ntchito, chemical cross-linking (monga njira ya silane) imagwiritsidwanso ntchito m'magulu osiyanasiyana amsika.

Kusankha njira yoyenera kumadalira kukula kwa polojekiti, malire a bajeti, ndi kuopsa kwa malo omangira omwe akuyembekezeka.

Momwe mungayesere kupanga chingwe cha photovoltaic DC

Kupeza mawaya odalirika kumafuna kuwunika mosamala malo opangira zinthu omwe ogulitsa amapereka. Ogula ndi opanga mapulojekiti ayenera kuwunika momwe wopanga amagwirira ntchito. ndondomeko zotsimikizira khalidwe ndipo amayang'anira unyolo woperekera zinthu kuyambira pa zipangizo zopangira mpaka pa spool yomalizidwa, kuchepetsa zoopsa zachuma za moto ndi mavuto a nthaka.

Kuwongolera njira, kuyesa kwapaintaneti, ndi kutsata

Malo opangira zinthu zapamwamba amaphatikiza zowongolera zopitilira kuti achotse zolakwika chingwe chisanachotsedwe. Ma micrometer a laser omwe ali pamzere amawunika kukula kwa chingwe nthawi yeniyeni, kuonetsetsa kuti makulidwe a insulation amakhalabe ofanana ndipo kukhazikika kumakhala pamwamba pa malire okhwima a 85% omwe amalamulidwa ndi ma frameworks wamba monga EN 50618 ndi Iec 62930Kutsika pansi pa malire awa kungayambitse kulephera kwakukulu kotseka pamene mukulumikiza zingwe ndi zolumikizira za MC4. Kupatuka kulikonse kumayambitsa kusintha kwa mzere wokha.

Kuphatikiza apo, kuyesa kwa mphamvu yamagetsi amphamvu kwambiri Chingwecho chimayesedwa mwachindunji pa chingwe chotulutsira. Chingwecho chimayesedwa ndi AC spark pakati pa 6kV ndi 10kV kuti chizindikire nthawi yomweyo mabowo ang'onoang'ono kapena mawanga opanda kanthu mu insulation. Machitidwe ofunikira kwambiri opezera deta nawonso ndi ofunikira; spool iliyonse iyenera kukhala ndi barcode yapadera yolumikiza ku gulu lopangira, gwero la mkuwa, ndi woyendetsa extrusion, kuonetsetsa kuti ali ndi udindo wonse.

Zinthu zofunika kusankha kwa opanga ndi ogula

Posankha mnzanu wopanga, ogula ayenera kuganizira zinthu zingapo zokhudzana ndi zinthu ndi malonda pamodzi ndi luso laukadaulo. Kutsatira miyezo yapadziko lonse lapansi, komwe kumatsimikiziridwa ndi ziphaso monga TÜV kapena UL 4703, sikungakambirane za machitidwe olumikizidwa ndi gridi. Kusinthasintha kwa unyolo woperekera ndi chinthu china chachikulu chomwe chimagwirizana ndi kupezeka kwa zinthu zopangira; opanga apamwamba nthawi zambiri amakhala ndi nthawi yotsogolera ya masabata awiri mpaka anayi, ngakhale izi zitha kupitilira nthawi yomwe kufunikira kwakukulu padziko lonse lapansi kapena kusasinthasintha kwa mitengo ya mkuwa.

Ogula ayeneranso kuganizira za kuchuluka kwa zinthu zomwe zimagwiritsidwa ntchito (MOQs), zomwe nthawi zambiri zimayambira pafupifupi mamita 5,000 pa magawo wamba a 4mm² kapena 6mm², koma zimatha kukwera kwambiri pamitundu ya jekete kapena zosakaniza zapadera za polima. Pamapeto pake, kuyika ndalama mu zingwe zopangidwa motsatira malamulo okhwima a khalidwe kumabweretsa mtengo wotsika wa umwini popewa kulephera kwa dongosolo panthawi yonse ya moyo wa katunduyo.

Mfundo Zofunika Kwambiri

• Zomaliza zofunika kwambiri komanso zifukwa zogwiritsira ntchito njira zopangira chingwe cha photovoltaic DC
• 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

Nchifukwa chiyani e-beam cross-linking imakondedwa pa zingwe za photovoltaic DC?

Imapanga kapangidwe ka XLPO kolimba, komwe kamathandizira kutentha kosalekeza kwa conductor mpaka 120°C, kupanga mwachangu, komanso kulimba kwa nthawi yayitali m'malo ovuta kapena ovuta.

Ndi zinthu ziti zoyendetsera zomwe zili bwino kwambiri popanga chingwe cha DC cha photovoltaic?

Mkuwa wopangidwa ndi zitini wopyapyala nthawi zambiri umakonda chifukwa umathandiza kusinthasintha, umalimbana ndi dzimbiri, komanso umathandizira kukhazikika kodalirika padenga, m'chipululu, komanso m'madongosolo a dzuwa oyandama.

Ndi kukula kwa chingwe chiti komwe kumagwiritsidwa ntchito kwambiri mu zingwe za DC za dzuwa?

Kukula kofanana ndi 4mm² mpaka 10mm². Kusankha koyenera kumadalira mphamvu yamagetsi, malire a kutsika kwa magetsi, ndi kutalika kwa kukhazikitsa.

Kodi ogula angayese bwanji wopanga chingwe cha DC cha photovoltaic?

Yang'anani mtundu wa kondakitala, kusinthasintha kwa kutenthetsa kwa XLPO, njira yolumikizirana, kuwongolera mzere wopanga, komanso kutsatira zofunikira pa 1500V DC komanso magwiridwe antchito anthawi yayitali.

Kodi ndi liti pamene kulumikizana kwa silane kumakhala koyenera kugwiritsa ntchito zingwe za DC za photovoltaic?

Nthawi zambiri imakhala yoyenera pa ntchito zogona kapena zotsika mtengo komwe mikhalidwe si yoipa kwambiri komanso kutentha kosalekeza kwa 90°C ndikovomerezeka.