2020-11-23
Slocable TUV Solar Panel Chingwe 4MM 1500V
Mzere wa thunthu la DC ndi mzere wotumizira kuchokera ku photovoltaic module system kupita ku inverter mutasinthidwa ndi bokosi lophatikiza.Ngati inverter ndiye mtima wa dongosolo lonse la square array, ndiye kuti DC trunk line system ndi aorta.Chifukwa dongosolo la thunthu la DC limatenga yankho lopanda maziko, ngati chingwecho chili ndi vuto lapansi, chidzawononga kwambiri dongosolo komanso zida kuposa AC.Chifukwa chake, mainjiniya amtundu wa PV amakhala osamala kwambiri pazingwe zazikulu za DC kuposa mainjiniya ena amagetsi.
Kusankha choyeneraDC chingwe cha solarkwa dongosolo la photovoltaic lomwe limayikidwa m'nyumba mwanu kapena ofesi ndilofunika kwambiri kuti mugwire ntchito ndi chitetezo.Zingwe zamphamvu za dzuwa zimapangidwira kusamutsa mphamvu ya dzuwa kuchokera ku gawo limodzi la dongosolo kupita ku lina kuti lisinthe kukhala mphamvu yamagetsi.Waya wanu wamkuwa watsiku ndi tsiku udzachita ntchitoyi moyenera ndipo mwina mutha kulephera kuchita bwino.
Kusanthula mwatsatanetsatane za ngozi zosiyanasiyana za chingwe, timapeza kuti zolakwika za chingwe chapansi zimakhala ndi 90-95% ya vuto lonse la chingwe.Pali zifukwa zazikulu zitatu zomwe zimayambitsa zolakwika zapansi.Choyamba, zolakwika zopangira chingwe ndizinthu zosayenerera;chachiwiri, malo ogwirira ntchito ndi ovuta, kukalamba kwachilengedwe, ndi kuwonongeka ndi mphamvu zakunja;chachitatu, unsembe si standardized ndi mawaya ndi akhakula.
Pali gwero limodzi lokha la vuto la nthaka——zinthu zotsekereza za chingwe.Malo opangira magetsi a DC trunk line of photovoltaic power plant ndi ovuta.Malo opangira magetsi apansi panthaka nthawi zambiri amakhala chipululu, malo amchere a alkali, omwe amakhala ndi kutentha kwakukulu masana, komanso malo achinyezi kwambiri.Kwa zingwe zokwiriridwa, zofunikira zodzaza ndi kukumba ngalande za chingwe ndizokwera;ndi malo ogwirira ntchito a zingwe zogawa magetsi si zabwino kuposa zomwe zili pansi.Zingwe zimatha kupirira kutentha kwambiri, ndipo kutentha kwa padenga kumatha kufika 100-110 ℃.Zomwe zimatsimikizira moto komanso zoletsa moto pa chingwe, komanso kutentha kwakukulu kumakhudza kwambiri mphamvu yamagetsi yamagetsi ya chingwe.
Choncho, musanayike ndikuyendetsa dongosololi, muyenera kuonetsetsa kuti kukula kwa chingwe cha dzuwa chomwe chimayikidwa ndi chofanana ndi chamakono ndi magetsi a dongosolo.Nazi zina, zomwe ziyenera kufufuzidwa musanayatse dongosolo;
1. Onetsetsani kuti voliyumu yovotera ya pv dc chingwe ndi yofanana kapena yokulirapo kuposa mphamvu yamagetsi yamagetsi.
2. Onetsetsani kuti mphamvu yonyamulira pakalipano ya chingwe cha dzuwa ndi yofanana kapena yokulirapo kuposa mphamvu yonyamulira yamakono ya dongosolo.
3. Onetsetsani kuti zingwezo ndi zokhuthala komanso zotetezedwa mokwanira kuti zisawonongeke m'dera lanu.
4. Yang'anani kutsika kwamagetsi kuti muwonetsetse chitetezo.(Kutsika kwamagetsi sikuyenera kupitirira 2%.)
5. Mphamvu yopirira ya photovoltaic DC chingwe iyenera kukhala yaikulu kuposa mphamvu yaikulu ya dongosolo.
Kuonjezera apo, kusankha ndi mapangidwe a PV DC trunk cables for photovoltaic power station ayeneranso kuganizira: ntchito yotsekemera ya chingwe;kukana chinyezi, kuzizira komanso kukana kwanyengo kwa chingwe;kachipangizo kameneka kamakhala kosagwira kutentha komanso koletsa moto;njira yoyika chingwe;kondakitala wa chingwe (Copper core, aluminium alloy core, aluminium pachimake) ndi mawonekedwe agawo la chingwe.
Slocable 6mm Solar Wire EN 50618
Zingwe zambiri za PV DC zimayalidwa panja ndipo zimafunika kutetezedwa ku chinyezi, dzuwa, kuzizira, ndi ultraviolet.Chifukwa chake, zingwe za DC zomwe zimagawika pamakina opangira ma photovoltaic nthawi zambiri zimasankha zingwe zapadera zotsimikiziridwa ndi photovoltaic, poganizira zomwe zimatuluka pamagetsi a DC ndi ma module a photovoltaic.Pakalipano, zingwe za photovoltaic DC zomwe zimagwiritsidwa ntchito kwambiri ndi PV1-F 1 * 4mm.
Kuchuluka kwa chingwe cha dzuwa chomwe mumasankha padongosolo kumadalira mphamvu yamagetsi.Kukwera kwamagetsi amagetsi, kumachepetsa chingwe, chifukwa magetsi a DC adzatsika.Sankhani inverter yayikulu kuti muwonjezere mphamvu yamagetsi.
Kutayika kwamagetsi mu photovoltaic system kumatha kudziwika ngati: kutayika kwamagetsi = kudutsa panopa * kutalika kwa chingwe * voltage factor.Zitha kuwoneka kuchokera ku ndondomeko kuti kutayika kwa magetsi kumayenderana ndi kutalika kwa chingwe.Chifukwa chake, mfundo yosinthira ku inverter ndi inverter kupita kumalo ofananira iyenera kutsatiridwa pakuwunika patsamba.Kawirikawiri, kutayika kwa mzere wa DC pakati pa photovoltaic array ndi inverter sikuyenera kupitirira 5% ya mphamvu yamagetsi yamagulu, ndipo kutaya kwa mzere wa AC pakati pa inverter ndi malo ofananirako sikuyenera kupitirira 2% ya magetsi otulutsa a inverter.The empirical formula ingagwiritsidwe ntchito popanga uinjiniya:△U=(I*L*2)/(r*S)
Pakati pawo △U: chingwe chamagetsi chotsika -V
I: Chingwecho chiyenera kupirira chingwe chachikulu-A
L: Kutalika kwa chingwe choyikira -m
S: gawo lalikulu la chingwe-mm²
r: Kuwongolera kwa conductor-m/(Ω*mm²), r mkuwa = 57, r aluminium = 34
Musanagule, chonde onani mlingo wamakono wa chingwe cha solar.Pakulumikiza kwa inverter, chingwe chosankhidwa cha pv dc chomwe chidavotera pano ndi 1.25 kuwirikiza kawiri pakali pano mu chingwe chowerengedwa.Ngakhale kuti kugwirizana pakati pa mkati mwa photovoltaic array ndi pakati pa gululo, chingwe chosankhidwa cha pv dc chomwe chilipo panopa ndi 1.56 nthawi yochuluka yopitilira panopa mu chingwe chowerengedwa.Aliyense wopanga, mongaSlocable, asindikiza tebulo lolemba mavoti amakono a zingwe zopangidwa molingana ndi kukula kwake ndi mtundu wake.Onetsetsani kuti mwasankha chingwe choyenera cha kukula, chifukwa waya wocheperako amatha kutenthedwa mwachangu komanso amavutika ndi kutsika kwamagetsi, zomwe zingayambitse kutayika kwa mphamvu.
zidziwitso za chingwe cha solar
Kutalika kwa chingwe ndi chinthu chofunika kwambiri chomwe muyenera kuganizira posankha chingwe choyenera cha dzuwa.Nthawi zambiri, kutalikirapo kwa waya, kumapangitsanso kufalikira kwapano.Koma ndi bwino kugwiritsa ntchito malamulo osavuta a chala kuwerengera chofunika waya kutalika malinga ndi mphamvu panopa dongosolo.
Panopo / 3 = kukula kwa chingwe (mm2)
Pogwiritsa ntchito chilinganizochi, mutha kupeza kukula kwa chingwe cholondola kwambiri komanso choyenera ndikupewa ngozi zilizonse kapena kulephera kwadongosolo.
Chophimba (sheath) chosanjikiza cha zinthu zoyenerera chimakhala chofewa, chosinthika komanso chosinthika, ndipo pamwamba pake ndi yolimba, yosalala, yopanda roughness, ndipo imakhala ndi gloss koyera.Pamwamba pa insulating (m'chimake) wosanjikiza bwino ndi zikande zosagwira Mark, zopangidwa mwamwayi insulating zipangizo, wosanjikiza insulating amaona mandala, Chimaona, ndi sanali amphamvu.
Zingwe zokhazikika zidzalembedwa ndi zingwe za photovoltaic.Lembani zingwe zapadera za photovoltaics, ndipo zikopa zakunja za zingwe zimalembedwa ndi PV1-F1 * 4mm.
Muyezo wa dziko uli ndi deta yomveka bwino pa mfundo ya thinnest ya kufanana kwa waya wosanjikiza ndi makulidwe apakati.Kuchuluka kwa kusungunula kwa waya wokhazikika kumakhala kofanana, osati eccentric, ndipo kumakanikizidwa mwamphamvu pa kondakitala.
Ndi waya wapakati wopangidwa kuchokera kuzinthu zopangira zamkuwa ndipo amajambulidwa mwamphamvu ndi waya, kufewetsa (kufewetsa), ndi kumangirira.Pamwamba pake payenera kukhala kowala, kosalala, kopanda ma burrs, ndipo kutsekeka kwake kumakhala kosalala, kofewa komanso kolimba, komanso kosavuta kuthyoka.Chingwe chawamba chimakhala ndi waya wamkuwa wofiirira.Pakatikati pa chingwe cha photovoltaic ndi siliva, ndipo gawo lapakati lapakati likadali lofiirira waya wamkuwa.
Kondakitala ndi wonyezimira, ndipo kukula kwa kondakitala kumakwaniritsa zofunikira.Waya ndi zingwe zopangidwa ndi zingwe zomwe zimakwaniritsa zofunikira za muyezo, kaya ndi aluminiyamu kapena zowongolera zamkuwa, zimakhala zowala komanso zopanda mafuta, kotero kukana kwa DC kwa kondakita kumakwaniritsa muyezo, kumakhala ndi ma conductivity abwino komanso magwiridwe antchito apamwamba.
Satifiketi yodziwika bwino iyenera kuwonetsa dzina la wopanga, adilesi, foni yam'mbuyo yogulitsa, mtundu, mawonekedwe, gawo lodziwika bwino (nthawi zambiri 2.5 square, 4 square wire, etc.), voliyumu yovotera (waya imodzi-core 450 / 750V , awiri-core protective sheath cable 300/500V), kutalika (muyezo wa dziko umanena kuti kutalika kwake ndi 100M±0.5M), nambala ya ogwira ntchito yoyendera, tsiku lopangira, ndi nambala yamtundu wa mankhwala kapena chiphaso cha chiphaso.Makamaka, mtundu wa waya wa pulasitiki wamkuwa wamtundu umodzi womwe umayikidwa pa chinthu chokhazikika ndi 227 IEC01 (BV), osati BV.Chonde tcherani khutu kwa wogula.
Monga chinthu chomwe chimakhudza anthu ndi katundu, zingwe nthawi zonse zalembedwa kuti ndizoyang'aniridwa ndi boma.Opanga nthawi zonse amawunikiridwa ndi dipatimenti yoyang'anira nthawi ndi nthawi.Chifukwa chake, wogulitsa akuyenera kupereka lipoti loyang'anira dipatimenti yoyang'anira zabwino, apo ayi, mtundu wa waya ndi chingwe ulibe maziko.
Kuonjezera apo, kuti mudziwe ngati ndi chingwe choletsa moto ndi chingwe choyaka, njira yabwino ndiyo kudula gawo ndikuliyatsa.Ngati iyaka ndi kuyaka mosakhalitsa, mwachiwonekere si chingwe choletsa moto.Ngati zitenga nthawi yayitali kuyatsa, ikangochoka pamoto, imadzimitsa yokha, ndipo palibe fungo lopweteka, lomwe limasonyeza kuti ndi chingwe choletsa moto (chingwe choletsa moto sichikhoza kuzindikirika, n'zovuta. kuyatsa).Ikayaka kwa nthawi yayitali, chingwe choyatsa chidzakhala ndi phokoso laling'ono, pomwe chingwe chosasunthika sichikhala.Ngati iyaka kwa nthawi yayitali, chotchinga chotchinga pamwamba chidzagwa kwambiri, ndipo m'mimba mwake sichinachuluke kwambiri, zomwe zikuwonetsa kuti chithandizo cholumikizira ma radiation sichinachitike.
Ndipo ikani pachimake chingwe m'madzi otentha a 90 digiri, kukana kwa chingwe chotenthetserako sikungagwere mwachangu m'mikhalidwe yabwinobwino, ndipo kumakhalabe pamwamba pa 0.1 megohm/km.Ngati kukana kutsika mwachangu kapena ngakhale kutsika kuposa 0.009 megohm pa kilomita, chingwecho sichinalumikizidwe ndikuyatsidwa.
Pomaliza, chikoka cha kutentha pakuchita kwa zingwe za photovoltaic dc ziyeneranso kuganiziridwa.Kutentha kwapamwamba, kumachepetsa mphamvu yonyamula chingwe chamakono.Chingwecho chiyenera kuikidwa pamalo olowera mpweya wabwino momwe zingathere.
Slocable Chingwe Solar 10mm2 H1Z2Z2-K
Chifukwa chake kusankha mawaya oyenera a dongosolo lanu la Dzuwa ndikofunikira pazochita zonse komanso zifukwa zachitetezo.Ngati mawaya ndi ochepa, padzakhala kutsika kwakukulu kwamagetsi mu mawaya zomwe zimapangitsa kuti mphamvu zambiri ziwonongeke.Kuonjezera apo, ngati mawaya ali ochepa kwambiri, pali chiopsezo kuti mawaya amatha kutentha mpaka kufika pamtunda womwe umatsogolera ku moto.
Zomwe zimapangidwa kuchokera ku mapanelo a dzuwa ziyenera kufika ku Battery ndikutayika kochepa.Chingwe chilichonse chimakhala ndi kukana kwake kwa Ohmic.Kutsika kwamagetsi chifukwa cha kukana uku kumagwirizana ndi lamulo la Ohm:
V = I x R (Pano V ndi kutsika kwa magetsi kudutsa chingwe, R ndi kukana ndipo ine ndiripo).
Kukana ( R ) kwa chingwe kumatengera magawo atatu:
1. Utali Wachingwe: Kutalikitsa chingwe, kukana kwambiri
2. Cable Cross-Section Area: Malo akuluakulu, ang'onoang'ono ndi kukana
3. Zomwe zimagwiritsidwa ntchito: Copper kapena Aluminium.Copper imakhala ndi mphamvu zochepa poyerekeza ndi Aluminium
Mu ntchito iyi, chingwe mkuwa ndi bwino.Mawaya amkuwa amakula pogwiritsa ntchito sikelo yoyezera: American Wire Gauge (AWG).Kutsika kwa chiwerengero cha geji, kumachepetsa kukana kwa waya ndipo motero kumapangitsa kuti magetsi azitha kugwira bwino.
1. Mphamvu yamunda ndi kugawa kwa nkhawa kwa zingwe za AC ndizoyenera.Zida zopangira chingwe zimayang'ana pa dielectric nthawi zonse, zomwe sizimakhudzidwa ndi kutentha;pomwe kugawa kwapang'onopang'ono kwa zingwe za DC ndizosanjikiza kwambiri zotchingira chingwe, zomwe zimakhudzidwa ndi kukana kwa zida zotchingira chingwe.Chikoka cha coefficient, zinthu kutchinjiriza ali ndi zoipa kutentha coefficient chodabwitsa, ndiko, kutentha kumawonjezeka ndi kukana amachepetsa;
Chingwecho chikagwira ntchito, kutayika kwakukulu kumawonjezera kutentha, ndipo mphamvu yamagetsi yamagetsi yamagetsi ya chingwe idzasintha moyenerera, zomwe zidzachititsanso kuti magetsi a magetsi a magetsi asinthe.M'mawu ena, insulating wosanjikiza wa makulidwe omwewo adzasintha chifukwa cha kutentha.Pamene ikuwonjezeka, mphamvu yake yowonongeka imachepa motero.Kwa mizere ya thunthu la DC la malo ena ogawa magetsi, chifukwa cha kusintha kwa kutentha kozungulira, zinthu zotsekemera za chingwe zimakalamba mofulumira kuposa zingwe zomwe zimayikidwa pansi.Mfundoyi iyenera kuperekedwa chidwi chapadera.
2. Panthawi yopanga chingwe chotchinga chingwe, zonyansa zina zidzasungunuka.Amakhala ndi resistivity yaying'ono yotsekera, ndipo kugawa kwawo motsatira njira yolumikizirana ndi ma radial osanjikiza sikufanana, zomwe zingayambitsenso kukana kwa voliyumu m'malo osiyanasiyana.Pansi pa voteji ya DC, gawo lamagetsi la chingwe chotchingira chingwe lidzakhalanso losiyana.Mwanjira iyi, mphamvu ya insulation ya voliyumu imakalamba mwachangu ndikukhala malo oyamba obisika owopsa.
Chingwe cha AC chilibe chodabwitsa ichi.Nthawi zambiri, kupsinjika ndi kukhudzidwa kwa chingwe cha AC kumakhala kokwanira, pomwe kupsinjika kwa chingwe cha thunthu la DC nthawi zonse kumakhudzidwa kwambiri pamalo ofooka kwambiri.Chifukwa chake, zingwe za AC ndi DC pakupanga zingwe ziyenera kukhala ndi kasamalidwe kosiyana ndi miyezo.
3. Zingwe zolumikizidwa ndi polyethylene zomangika zakhala zikugwiritsidwa ntchito kwambiri mu zingwe za AC.Iwo ali ndi katundu wabwino kwambiri wa dielectric ndi katundu wakuthupi, ndipo ndi okwera mtengo kwambiri.Komabe, monga zingwe za DC, ali ndi vuto lachakudya chamalo lomwe ndi lovuta kulithetsa.Ndiwofunika kwambiri pazingwe zamagetsi za DC.
Polima ikagwiritsidwa ntchito pakutchinjiriza chingwe cha DC, pamakhala misampha yambiri yam'deralo munsanjika yotchinjiriza, zomwe zimapangitsa kuti pakhale ndalama zambiri mkati mwa kutchinjiriza.Chikoka cha danga mlandu pa insulating zinthu makamaka zimaonekera mbali ziwiri za magetsi kumunda kusokoneza zotsatira ndi sanali magetsi kumunda kupotoza zotsatira.Zotsatira zake zimakhala zovulaza kwambiri ku zipangizo zotetezera.
Zomwe zimatchedwa kuti danga zimatanthawuza gawo la chiwongoladzanja chomwe chimaposa kusalowerera ndale kwa gawo lazinthu zazikulu za macroscopic.Mu olimba, zabwino kapena zoipa danga mlandu amamangidwa kwa mlingo winawake m'deralo mphamvu ndi kuperekedwa mu mawonekedwe a omangidwa mayiko polaron.Polarization zotsatira.Otchedwa danga mlandu polarization ndi ndondomeko kudziunjikira ayoni zoipa pa mawonekedwe pa mbali zabwino elekitirodi ndi ayoni zabwino pa mawonekedwe pa mbali zoipa elekitirodi chifukwa ion kayendedwe pamene ayoni ufulu zili mu dielectric.
M'munda wamagetsi wa AC, kusamuka kwa zolipiritsa zabwino ndi zoyipa za zinthuzo sikungafanane ndi kusintha kwachangu mugawo lamagetsi lamagetsi pafupipafupi, chifukwa chake zotsatira zolipiritsa danga sizidzachitika;pamene ali m'munda wamagetsi wa DC, magetsi amagawidwa molingana ndi resistivity, zomwe zimapanga malo opangira malo ndikukhudza kugawa kwa magetsi.Pali madera ambiri akumaloko pakutchinjiriza kwa polyethylene, ndipo mphamvu ya danga ndiyowopsa kwambiri.Chosanjikiza cholumikizira cha polyethylene cholumikizidwa ndi mtanda chimalumikizidwa ndi mankhwala ndipo ndi cholumikizira cholumikizira.Ndi polima yopanda polar.Kuchokera pamalingaliro a dongosolo lonse la chingwe, chingwecho chimakhala ngati capacitor yaikulu.Kutumiza kwa DC kutayimitsidwa, ndikofanana ndi kumaliza kulipiritsa capacitor.Ngakhale core conductor ndi yokhazikika, sangathe kutulutsidwa bwino.Mphamvu zambiri za DC zikadalipo mu chingwe, chomwe chimatchedwa kuti danga.Malipiro apamlengalengawa sali ngati mphamvu ya AC.Chingwecho chimadyedwa ndi kutayika kwa dielectric, koma chimalemeretsedwa pakuwonongeka kwa chingwe;chingwe chopangidwa ndi polyethylene cholumikizidwa ndi mtanda, ndikuwonjezera nthawi yogwiritsira ntchito kapena kusokoneza pafupipafupi komanso kusintha kwamphamvu kwapano, chidzaunjikira ndalama zochulukirapo.Kufulumizitsa ukalamba liwiro la wosanjikiza insulating, motero zimakhudza moyo utumiki.Chifukwa chake, magwiridwe antchito a chingwe cha thunthu la DC akadali osiyana kwambiri ndi chingwe cha AC.
Dongguan Slocable Photovoltaic Technology Co., LTD.
Onjezani: Guangda Manufacturing Hongmei Science and Technology Park, No. 9-2, Hongmei Section, Wangsha Road, Hongmei Town, Dongguan, Guangdong, China
TEL: 0769-22010201
