Mitundu ya chingwe cha solar-momwe mungasankhire pakati pa copper core ndi aluminium core?

M'mapulojekiti a photovoltaic, kusankha kwa chingwe chachitsulo chamkuwa kapena chingwe cha aluminium ndi vuto la nthawi yaitali.Tiyeni tione kusiyana kwawo ndi ubwino wake.

Kusiyana pakati pa copper core ndi aluminium pachimake

1. Mitundu yamitundu iwiriyi ndi yosiyana.

2. Waya wa aluminiyamu wa pv ndi wopepuka kulemera kwake, koma mphamvu zamakina zamawaya a aluminiyamu ndizosauka.

3. Pansi pa katundu wofanana wa mphamvu, chifukwa mphamvu yonyamulira yamakono ya aluminiyamu ndi yaying'ono kwambiri kuposa yamkuwa, m'mimba mwake ya waya wa aluminiyamu ndi yaikulu kuposa ya waya wamkuwa.Mwachitsanzo, pa chotenthetsera chamadzi chamagetsi cha 6KW, waya wamkuwa wa 6 masikweya mita ndi wokwanira, ndipo waya wa aluminiyamu ungafunike 10 masikweya mita.

4. Mtengo wa aluminiyumu ndi wotsika kwambiri kuposa wamkuwa, choncho mtengo wa chingwe cha aluminiyamu ndi wotsika kuposa chingwe cha mkuwa pamene mtunda womwewo umakwaniritsa zofunikira zamagetsi.Waya wa aluminiyamu ungathenso kuchepetsa chiopsezo cha kuba (chifukwa mtengo wobwezeretsanso ndi wotsika).

5. Aluminiyamu aloyi angagwiritsidwe ntchito ngati mawaya opanda kanthu pamwamba, nthawi zambiri zitsulo zitsulo zotayidwa mawaya, zingwe zamkuwa zimagwiritsidwa ntchito kwambiri pamawaya okwiriridwa, ndipo nthawi zambiri sagwiritsidwa ntchito ngati mawaya opanda kanthu popanda kutchinjiriza.

6. The aluminiyamu waya n'zosavuta kwambiri oxidize kumapeto kwa mzere kugwirizana.Pambuyo pa kutha kwa mzere wolumikizana ndi oxidized, kutentha kudzawuka ndipo kukhudzana kudzakhala kosauka, komwe kumakhala kolephera pafupipafupi (kulephera kwa mphamvu kapena kutsekedwa).

7. Kukaniza mkati mwa waya wamkuwa ndi kochepa.Waya wa aluminiyamu umalimbana kwambiri mkati kuposa waya wamkuwa, koma umatulutsa kutentha mwachangu kuposa waya wamkuwa.

Slocable solar copper core cable

Ubwino wa zingwe zamkuwa zamkuwa

1. Low resistivity: resistivity of aluminium core cables ndi pafupi nthawi 1.68 kuposa ya zingwe zamkuwa zamkuwa.

2. Good ductility: ductility aloyi yamkuwa ndi 20-40%, ductility mkuwa wamagetsi ndi oposa 30%, pamene ductility aloyi zotayidwa ndi 18% yokha.

3. Mphamvu yapamwamba: kupanikizika kovomerezeka kutentha kutentha kumatha kufika 20 mkuwa ndi 15.6kgt / mm2 kwa aluminiyamu.Mphamvu yamakokedwe ndi 45kgt/mm2 yamkuwa ndi 42kgt/mm2 ya aluminiyamu.Mkuwa ndi 7-28% kuposa aluminiyamu.Makamaka nkhawa pa kutentha kwambiri, mkuwa akadali ndi 9 ~ 12kgt/mm2 pa 400oc, pamene zotayidwa mofulumira akutsikira 3.5kgt/mm2 pa 260oc.

4. Anti-kutopa: Aluminiyamu ndi yosavuta kusweka pambuyo kupinda mobwerezabwereza, pamene mkuwa si kophweka.Pankhani ya elasticity index, mkuwa ndi pafupifupi 1.7 mpaka 1.8 nthawi kuposa aluminiyamu.

5. Kukhazikika kwabwino komanso kukana kwa dzimbiri: pachimake chamkuwa chimalimbana ndi okosijeni ndi dzimbiri.Kuchita kwa cholumikizira cha chingwe chapakati chamkuwa ndikokhazikika, ndipo sipadzakhala ngozi chifukwa cha okosijeni.Pamene cholumikizira cha aluminiyamu pachimake chingwe sichikhazikika, kukana kukhudzana kumawonjezeka chifukwa cha okosijeni ndi kutentha kumayambitsa ngozi.Chifukwa chake, kuchuluka kwa ngozi kwa zingwe zapakati pa aluminiyamu ndikwambiri kuposa zingwe zamkuwa zamkuwa.

6. Mphamvu zazikulu zonyamulira zamakono: Chifukwa cha kuchepa kwapansi, chingwe chachitsulo chamkuwa chokhala ndi gawo lofanana ndi gawo limodzi ndi pafupifupi 30% kuposa mphamvu yovomerezeka yonyamula pakali pano (pazikulu zomwe zingatheke) za chingwe chachitsulo cha aluminium.

7. Kutayika kwamagetsi otsika: Chifukwa cha kuchepa kwa mphamvu ya chingwe chachitsulo cha mkuwa, kutsika kwa magetsi kwa chingwe chachitsulo cha mkuwa kumakhala kochepa pamene njira yomweyi imayenda mu gawo lomwelo.Choncho, mtunda womwewo wotumizira ukhoza kutsimikizira khalidwe lapamwamba lamagetsi;mwa kuyankhula kwina, pansi pa chikhalidwe chovomerezeka cha voteji, chingwe chachitsulo chamkuwa chimatha kufika pamtunda wautali, ndiko kuti, malo opangira magetsi ndi aakulu, omwe amapindulitsa pakukonzekera maukonde ndi kuchepetsa chiwerengero cha malo opangira magetsi.

8. Kutentha kwapang'onopang'ono: Pansi pa nthawi yomweyi, chingwe chachitsulo chamkuwa chokhala ndi gawo lofananalo chimakhala ndi kutentha kochepa kwambiri kuposa chingwe chachitsulo cha aluminium, chomwe chimapangitsa kuti ntchitoyo ikhale yotetezeka.

9. Kugwiritsa ntchito mphamvu zochepa: Chifukwa cha kuchepa kwa mphamvu yamagetsi yamkuwa, poyerekeza ndi zingwe za aluminiyamu, zingwe zamkuwa zimakhala ndi mphamvu zochepa, zomwe zimapindulitsa kupititsa patsogolo kugwiritsa ntchito mphamvu zamagetsi ndikuteteza chilengedwe.

10. Kupanga koyenera: Chifukwa pachimake chamkuwa ndi chosinthika komanso malo opindika ovomerezeka ndi ang'onoang'ono, ndikosavuta kutembenuka komanso kosavuta kudutsa;chifukwa pachimake mkuwa ndi kugonjetsedwa ndi kutopa ndi mobwerezabwereza kupinda sikophweka kusweka, ndi yabwino kugwirizana;ndipo chifukwa cha mphamvu yamakina apamwamba a pachimake chamkuwa, Imatha kupirira kupsinjika kwamakina, zomwe zimabweretsa kumasuka kwambiri pakumanga ndi kuyika, komanso zimapanga mikhalidwe yomanga makina.

Ngakhale zingwe zamkuwa zamkuwa zili ndi zabwino zambiri, makamaka, malinga ndi ziwerengero, m'zigawo zomwe msika wapakhomo wa photovoltaic umapangidwa, 70% ya opanga EPC adzagwiritsa ntchito zingwe za aluminiyamu popanga ndi kumanga.M'mayiko akunja, ma photovoltaics omwe akutuluka Ku India, Vietnam, Thailand ndi malo ena, chiwerengero chapamwamba cha zingwe za aluminiyamu zimagwiritsidwa ntchito.

Poyerekeza ndi zingwe zapakatikati za aluminiyamu, zingwe zamkuwa zamkuwa ndizabwino kwambiri potengera mphamvu yakunyamula, resistivity, ndi mphamvu;komabe, ndi kukhazikitsidwa kwa teknoloji ndi kukhazikitsidwa kwa malo othandizira kugwirizana, milatho ndi miyezo yofananira, zingwe za aluminiyamu za aloyi zikudulidwa Pamene dera likuwonjezeka kufika ku 150% ya gawo lachigawo chamkuwa, osati magetsi okhawo omwe amapangidwa. mogwirizana ndi kondakitala yamkuwa, mphamvu yokhazikika imakhalanso ndi maubwino ena pa kondakitala yamkuwa, ndipo kulemera kwake ndi kopepuka, kotero chingwe cha aluminiyamu cha alloy ndi choyenera kugwiritsidwa ntchito pamapulojekiti a photovoltaic.Tiyeni tiwone ubwino wa zingwe za aluminium alloy.

Slocable aluminium alloy pv waya

Ubwino wa aluminiyumu alloy chingwe

Chingwe cha Aluminium alloy ndi chingwe chatsopano chamagetsi chomwe chimagwiritsa ntchito ukadaulo wapamwamba kwambiri monga njira yapadera yosindikizira ndi chithandizo cha annealing.Zingwe za aluminiyamu zimapanga zoperewera za zingwe zoyera za aluminiyamu m'mbuyomu, zimathandizira madulidwe amagetsi, kupindika, kukana kuyandama komanso kukana kwa dzimbiri kwa chingwe, ndipo zimatha kuwonetsetsa kuti chingwecho chimagwira ntchito mopitilira muyeso komanso chikatenthedwa. nthawi yayitali.Kuyerekeza kwa magwiridwe antchito pakati pa chingwe cha aluminium alloy ndi copper core chingwe ndi motere:

Conductivity

Poyerekeza ndi zingwe zamtundu womwewo, madutsidwe a aluminiyamu alloy conductor ndi 61% yazomwe zimagwiritsidwa ntchito kwambiri mkuwa, mphamvu yokoka ya aluminiyamu alloy ndi 2.7g/cm³, ndipo mphamvu yokoka yamkuwa ndi 8.9g/cm³.Pansi pa voliyumu yomweyi, aluminiyumu Kulemera kwa chingwe champhamvu cha aluminiyamu ndi pafupifupi gawo limodzi mwa magawo atatu a mkuwa.Malinga ndi kuwerengera uku, kulemera kwa chingwe cha aluminiyamu chamagetsi ndi theka la chingwe chamkuwa chokhala ndi mphamvu yonyamulira yomwe ili pano pansi pa malo okumana ndi magetsi omwewo.

Kulimbana ndi zokwawa

Mapangidwe apadera a aloyi ndi kutentha kwa kondakitala wa aluminiyumu alloy amachepetsa kwambiri "kukwawa" kwa chitsulo pansi pa kutentha ndi kupanikizika, zomwe zimakhala zofanana ndi zomwe zimayendetsa mkuwa, ndipo zimakhala zokhazikika monga momwe zimagwirizanirana. ndi kondakitala wamkuwa.

Kukana dzimbiri

Poyerekeza ndi zingwe zamkuwa zamkuwa, zingwe zamagetsi za aluminiyamu zimakhala ndi kukana kwa dzimbiri ndipo zimatha kupirira mitundu yosiyanasiyana ya dzimbiri;ali ndi kukana kwa okosijeni bwino, ndipo kutsekemera kwawo ndi kukana kwa dzimbiri ndi nthawi 10 mpaka 100 kuposa zingwe zamkuwa zamkuwa.M'malo okhala ndi sulfure, monga ngalande za njanji ndi malo ena ofanana, kukana kwa dzimbiri kwa zingwe zamagetsi za aluminiyamu ndikwabwinoko kuposa zingwe zamkuwa zamkuwa.

Makhalidwe amakina

Choyamba, kupinda ntchito.Malinga ndi GB/T12706 pamapindikira oyika chingwe chamkuwa, utali wopindika wa chingwe chamkuwa ndi 10-20 kutalika kwa chingwe, ndipo utali wocheperako wopindika wa chingwe cha aluminium alloy ndi 7 kuwirikiza kwa chingwe.Kugwiritsa ntchito chingwe champhamvu cha aluminium alloy kumachepetsa Malo opangira makonzedwe amachepetsa mtengo woyika ndipo ndi wosavuta kuyala.

Chachiwiri, kusinthasintha.Zingwe zamagetsi za aluminiyamu zimasinthasintha kwambiri kuposa zingwe zamkuwa zamkuwa, ndipo sizingasweka ngakhale zitapanikizidwa mobwerezabwereza.Chepetsani zoopsa zobisika zotetezedwa panthawi ya kukhazikitsa.

Chachitatu, kuchuluka kwa shuga komanso kuchuluka kwa shuga.Mphamvu yamakomedwe ya zingwe za aluminiyamu aloyi ndi 1.3 nthawi ya zingwe zamkuwa zamkuwa, ndipo elongation imatha kufika kapena kupitilira 30%, zomwe zimakulitsa kudalirika ndi kukongola kwa kuyika kwanthawi yayitali.

Chingwe cha aluminium alloy conductor photovoltaic chikhoza kuchepetsedwa ndi 0,5 yuan pa mita pamaziko okwaniritsa zofunikira.Komabe, kugwiritsa ntchito ma terminals a copper-aluminium kompositi pabokosi lolumikizira kumawonjezera mtengo wokonza.Chifukwa chake, tikulimbikitsidwa kugwiritsa ntchito zinthu za EPC, ndipo mtengo wonse ukhoza kuchepetsedwa ndi 20% pamwambapa.

Ponena za kufananiza pakati pa zabwino ndi zoipa, makamaka zimadalira kugwiritsira ntchito zinthu zonse zachilengedwe, zochitika zamagulu (monga kuba, etc.), zofunikira za mapangidwe (kuchuluka kwamakono sikungatheke ndi mawaya a aluminiyamu omwe alipo, omwe amapezeka otsika. -magetsi amagetsi ndi mphamvu zambiri), bajeti yayikulu ndi zina zambiri.Ndi yabwino ikagwiritsidwa ntchito pamene kuli koyenera, ndipo palibe njira yachindunji yoweruzira chimene chiri chabwino ndi chimene chiri choipa.