2020-11-23
Slocable TUV Solar Panel Cable 4MM 1500V
Layin akwati na DC shine layin watsawa daga tsarin ƙirar hoto zuwa mai juyawa bayan an haɗa shi ta akwatin haɗawa.Idan inverter shine zuciyar dukan tsarin tsararrun murabba'i, to tsarin layin gangar jikin DC shine aorta.Saboda tsarin layin gangar jikin DC yana ɗaukar bayani mara tushe, idan kebul ɗin yana da lahani na ƙasa, zai haifar da lalacewar tsarin da ma kayan aiki fiye da AC.Don haka, injiniyoyin tsarin PV sun fi taka tsantsan game da igiyoyin gangar jikin DC fiye da sauran injiniyoyin lantarki.
Zabar daidaiDC hasken rana na USBdon tsarin photovoltaic da aka shigar a cikin gidanka ko ofishin yana da mahimmanci ga aiki da aminci.An ƙera igiyoyin hasken rana masu ƙarfi don canja wurin makamashin hasken rana daga wani ɓangaren tsarin zuwa wani don canzawa zuwa makamashin lantarki.Wayar jan ƙarfe na yau da kullun za ta yi aikin daidai kuma ƙila za ku ƙare tare da gazawar tsarin.
Cikakken bincike game da hatsarori daban-daban na kebul, mun kammala cewa kuskuren ƙasa na kebul yana da kashi 90-95% na dukkan laifin na USB.Akwai manyan dalilai guda uku na kurakuran ƙasa.Na farko, lahani na kebul na kebul samfurori ne marasa cancanta;na biyu, yanayin aiki yana da tsauri, tsufa na halitta, kuma dakaru na waje sun lalace;na uku, ba a daidaita shigarwar ba kuma wayoyi suna da wahala.
Akwai tushen tushe guda ɗaya kawai na kuskuren ƙasa - - kayan kariya na kebul.Yanayin aiki na layin gangar jikin DC na shuke-shuken wutar lantarki na photovoltaic yana da tsauri.Manyan tashoshin wutar lantarki na ƙasa gabaɗaya hamada ne, ƙasar gishiri-alkali, tare da bambance-bambancen yanayin zafi da yawa yayin rana, da mahalli mai ɗanɗano sosai.Don igiyoyin da aka binne, abubuwan da ake buƙata don cikawa da tono ramukan kebul suna da girma;kuma yanayin aiki na igiyoyin tashar wutar lantarki da aka rarraba ba su da kyau fiye da na ƙasa.The igiyoyi za su yi tsayayya sosai high yanayin zafi, da kuma rufin zazzabi iya ko da kai 100-110 ℃.Abubuwan da ake buƙata na wuta da wutar lantarki na kebul, da kuma yawan zafin jiki yana da tasiri mai girma akan ƙarancin wutar lantarki na kebul.
Sabili da haka, kafin shigarwa da gudanar da tsarin, kuna buƙatar tabbatar da cewa girman kebul na hasken rana da aka shigar ya yi daidai da na yanzu da ƙarfin lantarki na tsarin.Ga wasu siffofi, waɗanda yakamata a bincika kafin kunna tsarin;
1. Tabbatar cewa ƙimar ƙarfin lantarki na pv dc na USB yana daidai da ko mafi girma fiye da ƙarfin lantarki na tsarin.
2. Tabbatar cewa ƙarfin ɗaukar nauyi na kebul na hasken rana yana daidai da ko mafi girma fiye da yadda ake ɗauka na yanzu na tsarin.
3. Tabbatar cewa igiyoyin suna da kauri kuma suna da kariya sosai don jure yanayin muhalli a yankinku.
4. Duba juzu'in wutar lantarki don tabbatar da aminci.(Rashin wutar lantarki kada ya wuce 2%).
5. Ƙimar ƙarfin juriya na na'urar daukar hoto ta DC ya kamata ya zama mafi girma fiye da matsakaicin ƙarfin lantarki na tsarin.
Bugu da ƙari, zaɓi da ƙira na igiyoyi na katako na PV DC don tashoshin wutar lantarki na photovoltaic ya kamata kuma suyi la'akari da: aikin rufewa na kebul;da danshi-hujja, sanyi-hujja da kuma yanayin juriya na USB;aikin kebul na juriya da zafi da harshen wuta;hanyar shimfiɗa na USB;kayan gudanarwa na kebul (Copper core, aluminum alloy core, aluminum core) da ƙayyadaddun ƙayyadaddun yanki na kebul.
Slocable 6mm Solar Waya EN 50618
Yawancin igiyoyin PV DC an shimfiɗa su a waje kuma suna buƙatar kariya daga danshi, rana, sanyi, da ultraviolet.Sabili da haka, igiyoyin DC a cikin tsarin photovoltaic da aka rarraba gabaɗaya suna zaɓar igiyoyi na musamman waɗanda aka tabbatar da hotovoltaic, tare da la'akari da fitarwa na yanzu na masu haɗin DC da na'urorin hoto.A halin yanzu, fitattun igiyoyin photovoltaic DC da aka saba amfani da su sune ƙayyadaddun PV1-F 1 * 4mm.
Kauri na kebul na hasken rana da kuka zaɓa don tsarin ya dogara da ƙarfin lantarki na tsarin.Mafi girman wutar lantarki na tsarin, mafi ƙarancin kebul ɗin, saboda halin yanzu na DC zai ragu.Zaɓi babban inverter don ƙara ƙarfin tsarin.
Rashin wutar lantarki a cikin tsarin photovoltaic ana iya siffanta shi kamar: asarar wutar lantarki = wucewa na yanzu * tsayin igiya * factor factor.Ana iya gani daga dabarar cewa asarar wutar lantarki daidai take da tsayin kebul.Don haka, ya kamata a bi ka'idar tsararru zuwa inverter da inverter zuwa layi daya yayin bincike akan rukunin yanar gizon.Gabaɗaya, asarar layin DC tsakanin tsararrun hoto da inverter ba zai wuce 5% na ƙarfin fitarwa na tsararrun ba, kuma asarar layin AC tsakanin inverter da layi ɗaya ba zai wuce 2% na ƙarfin fitarwa na inverter ba.Za'a iya amfani da ma'auni mai mahimmanci a cikin aiwatar da aikin injiniya:△U=(I*L*2)/(r*S)
Daga cikin su △ U: na USB ƙarfin lantarki drop -V
I: Kebul ɗin yana buƙatar jure matsakaicin iyakar-A
L: Tsawon shimfidar kebul -m
S: yankin giciye na kebul-mm²
r: Gudanar da jagora-m/ (Ω * mm²), r jan karfe = 57, r aluminum = 34
Kafin siyan, da fatan za a duba ƙimar kebul na hasken rana na yanzu.Don haɗin inverter, zaɓaɓɓen kebul na pv dc da aka ƙididdige halin yanzu shine sau 1.25 matsakaicin ci gaba na yanzu a cikin kebul ɗin ƙididdigewa.Duk da yake don haɗin kai tsakanin ciki na ƙirar hoto da kuma tsakanin tsararru, zaɓin pv dc na USB wanda aka ƙididdige halin yanzu shine sau 1.56 matsakaicin ci gaba na yanzu a cikin kebul ɗin ƙididdigewa.Kowane masana'anta, kamarMai iya juyawa, ya buga wani tebur da ke jera kimar kebul ɗin da aka kera bisa ga girmansu da nau'in su.Tabbatar zabar girman girman girman igiyar waya, saboda wayar da ta yi ƙanƙara za ta iya yin zafi da sauri kuma ta sami raguwar ƙarfin lantarki mai mahimmanci, wanda zai haifar da asarar wutar lantarki.
bayanan kebul na hasken rana
Tsawon kebul ɗin kuma muhimmin abu ne da za a yi la’akari da shi lokacin zabar madaidaicin kebul don tsarin hasken rana.A mafi yawan lokuta, tsawon waya, mafi kyawun watsawa na yanzu.Amma yana da kyau a yi amfani da ƙa'idodi masu sauƙi na babban yatsan hannu don ƙididdige tsawon waya da ake buƙata bisa ga ƙarfin tsarin na yanzu.
Yanzu / 3 = Girman kebul (mm2)
Yin amfani da wannan dabara, zaka iya samun mafi daidaito kuma mafi dacewa girman tsarin kebul kuma ka guje wa duk wani haɗari ko gazawar tsarin.
Tsarin insulating (kwafi) na samfuran da suka cancanta yana da taushi, mai sassauƙa da sassauƙa, kuma saman saman yana da ƙarfi, santsi, ba tare da ƙaƙƙarfan ƙazanta ba, kuma yana da tsantsar sheki.Ya kamata saman rufin rufin ya zama bayyananne kuma mai jurewa Mark, samfuran da aka yi da kayan insulating na yau da kullun, rufin rufin yana jin bayyananne, gaggautsa, kuma mara ƙarfi.
Za a yi alamar igiyoyi na yau da kullun tare da igiyoyin hotovoltaic.Alama na musamman igiyoyi don photovoltaics, da kuma m konkoma karãtunsa fãtun na igiyoyi suna alama da PV1-F1 * 4mm.
Ma'auni na ƙasa yana da bayyanannun bayanai akan mafi ƙanƙanta wurin daidaitattun layin rufin waya da matsakaicin kauri.Kauri na rufin waya na yau da kullun ba iri ɗaya ba ne, ba ƙaƙƙarfa ba, kuma an matse shi sosai akan madugu.
Cibiyar waya ce da aka samar daga kayan albarkatun tagulla zalla kuma an sanya shi da tsantsar zana waya, tausasawa (tausasawa), da ɗaurewa.Ya kamata samansa ya zama mai haske, santsi, mara ɓarkewa, kuma maƙarƙashiyar maƙarƙashiya tana da lebur, mai laushi da tauri, kuma ba mai sauƙi ba ce.A talakawan na USB core ne purple-ja jan karfe waya.Jigon na USB na photovoltaic shine azurfa, kuma ɓangaren giciye na ainihin har yanzu yana da waya ta jan karfe.
Jagora yana da haske, kuma girman tsarin jagoran ya dace da daidaitattun buƙatun.Waya da kebul na samfurori waɗanda suka dace da buƙatun ma'auni, ko sun kasance masu jagoranci na aluminum ko jan karfe, suna da haske sosai kuma ba su da man fetur, don haka juriya na DC na mai gudanarwa ya dace da ma'auni, yana da kyakkyawan aiki da babban aiki.
Madaidaicin takardar shaidar samfurin ya kamata ya nuna sunan mai ƙira, adireshin, wayar sabis na bayan-tallace-tallace, ƙirar, tsarin ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun yanki (yawanci murabba'in murabba'in 2.5, waya murabba'i 4, da sauransu), ƙarfin lantarki mai ƙima (waya guda-core 450/750V). , Biyu-core m kwasfa na USB 300/500V), tsawon (ƙasa misali ya nuna cewa tsawon ne 100M± 0.5M), dubawa ma'aikata lambar, masana'antu kwanan wata, da samfurin ta kasa misali lamba ko takardar shaida alamar.Musamman, samfurin waya mai mahimmanci na jan ƙarfe mai mahimmanci wanda aka yiwa alama akan samfur na yau da kullun shine 227 IEC01 (BV), ba BV ba.Da fatan za a kula da mai siye.
A matsayin samfurin da ke shafar mutane da kadarori, ana lissafta kebul koyaushe azaman abin da gwamnati ke kulawa da dubawa.Masu masana'anta na yau da kullun suna ƙarƙashin kulawa ta sashen kulawa na lokaci-lokaci.Sabili da haka, mai siyarwa ya kamata ya iya ba da rahoton dubawa na sashen dubawa mai inganci, in ba haka ba, ingancin waya da samfuran kebul ba su da tushe.
Bugu da kari, don tantance ko kebul mai hana wuta da kuma igiyar wuta, hanya mafi kyau ita ce yanke wani sashe da kunna shi.Idan ya kunna kuma ya kone ba da jimawa ba, tabbas ba igiyar wuta ba ce.Idan aka dauki lokaci mai tsawo kafin a kunna wuta, da zarar ya fita daga tushen wutar, sai ta kashe kanta, kuma babu wani kamshi mai kamshi, wanda ke nuni da cewa igiyar wuta ce mai kashe wuta (kebul mai kashe wuta gaba daya baya iya kunna wuta, yana da wahala. don kunnawa).Lokacin da ya kone na dogon lokaci, kebul ɗin da aka kunna zai kasance yana da ƙaramar ƙarar sauti, yayin da kebul ɗin da ba a taɓa gani ba.Idan ya kone na dogon lokaci, rufin rufin da ke rufewa zai faɗi da gaske, kuma diamita bai ƙaru sosai ba, yana nuna cewa ba a aiwatar da maganin haɗin gwiwar radiation ba.
Kuma sanya maɓallin kebul a cikin ruwan zafi na digiri 90, juriya na insulation na kebul na gaske ba zai ragu da sauri a ƙarƙashin yanayin al'ada ba, kuma zai kasance sama da 0.1 megohm / km.Idan juriya ta faɗi da sauri ko ma ƙasa da 0.009 megohm a kowace kilomita, kebul ɗin ba a haɗe shi da haske ba.
A ƙarshe, ya kamata kuma a yi la'akari da tasirin zafin jiki akan aikin igiyoyin photovoltaic dc.Mafi girman zafin jiki, ƙananan ƙarfin ɗauka na yanzu na kebul.Ya kamata a shigar da kebul ɗin a wurin da ke da iska gwargwadon yiwuwa.
Slocable Cable Solar 10mm2 H1Z2Z2-K
Don haka zabar madaidaitan girman waya don tsarin hasken rana yana da mahimmanci duka biyun aiki da dalilai na aminci.Idan wayoyi ba su da girma, za a sami raguwar ƙarfin lantarki a cikin wayoyi wanda zai haifar da asarar wutar lantarki mai yawa.Bugu da kari, idan wayoyi ba su da girma, akwai haɗarin cewa wayoyi na iya yin zafi har ta kai ga kama wuta.
A halin yanzu da aka samar daga masu amfani da hasken rana yakamata ya isa batir tare da mafi ƙarancin asara.Kowane kebul yana da juriya na Ohmic.Rashin wutar lantarki saboda wannan juriya shine bisa ga dokar Ohm:
V = I x R (A nan V shine raguwar wutar lantarki a fadin kebul, R shine juriya kuma ni ne na yanzu).
Juriya (R) na kebul ɗin ya dogara da sigogi guda uku:
1. Tsawon Kebul: Tsawon kebul ɗin, ƙari shine ƙarin juriya
2. Yankin Cross-Section na USB: Ya fi girma yankin, ƙarami shine juriya
3. Abubuwan da aka yi amfani da su: Copper ko Aluminum.Copper yana da ƙarancin juriya idan aka kwatanta da Aluminum
A cikin wannan aikace-aikacen, kebul na jan karfe ya fi dacewa.An yi girman wayoyi na jan karfe ta amfani da ma'aunin ma'auni: American Wire Gauge (AWG).Ƙarƙashin lambar ma'auni, ƙarancin juriya da waya ke da shi kuma saboda haka mafi girman halin yanzu yana iya ɗauka lafiya.
1. Ƙarfin filin da rarraba damuwa na igiyoyin AC suna daidaitawa.Kayan kebul na kebul yana mai da hankali kan madaidaicin dielectric, wanda zafin jiki ba ya shafa;yayin da rarraba damuwa na igiyoyi na DC shine matsakaicin maɗaukaki na kebul na kebul, wanda ke fama da juriya na kayan haɓaka na USB.Tasirin ma'auni, kayan haɓakawa yana da mummunan yanayin yanayin zafin jiki, wato, yawan zafin jiki yana ƙaruwa kuma juriya yana raguwa;
Lokacin da kebul ɗin ke aiki, babban hasara zai ƙara yawan zafin jiki, kuma tsayayyar wutar lantarki na kayan kariya na kebul ɗin zai canza daidai da haka, wanda kuma zai haifar da damuwa na filin lantarki na Layer insulating don canza daidai.A wasu kalmomi, murfin insulating na kauri ɗaya zai canza saboda yanayin zafi.Yayin da yake ƙaruwa, ƙarfin rushewar sa yana raguwa daidai.Don layukan gangar jikin DC na wasu tashoshin wutar lantarki da aka rarraba, saboda canjin yanayi na yanayi, kayan kariya na kebul ɗin sun yi sauri fiye da igiyoyin da aka shimfiɗa a ƙasa.Wannan batu ya kamata a ba da kulawa ta musamman.
2. A lokacin samar da na USB rufi Layer, wasu najasa ba makawa za a narkar da.Suna da ƙananan ƙarancin insulation resistivity, kuma rarraba su tare da radial shugabanci na rufin rufi ba daidai ba ne, wanda kuma zai haifar da juriya na girma daban-daban a sassa daban-daban.Karkashin wutar lantarki na DC, filin lantarki na Layer insulation Layer shima zai bambanta.Ta wannan hanyar, juriya juzu'i na insulation zai tsufa da sauri kuma ya zama farkon ɓoyayyiyar haɗari na rushewa.
Kebul na AC ba shi da wannan al'amari.Gabaɗaya, damuwa da tasiri na kayan kebul na AC suna daidaitawa gaba ɗaya, yayin da damuwa mai rufewa na USB akwati DC koyaushe shine mafi tasiri a mafi rauni.Don haka, igiyoyin AC da DC a cikin tsarin kera na USB yakamata su kasance suna da mabambantan gudanarwa da ma'auni.
3. An yi amfani da igiyoyi masu rufi na polyethylene masu haɗin gwiwa a cikin igiyoyin AC.Suna da kyawawan kaddarorin dielectric da kaddarorin jiki, kuma suna da tsada sosai.Koyaya, a matsayin igiyoyin DC, suna da matsalar cajin sararin samaniya da ke da wahalar warwarewa.Yana da daraja sosai a cikin manyan igiyoyin wutar lantarki na DC.
Lokacin da aka yi amfani da polymer don ƙaddamar da kebul na DC, akwai adadi mai yawa na tarko na gida a cikin rufin rufi, wanda ya haifar da tarawar cajin sararin samaniya a cikin rufin.Tasirin cajin sararin samaniya akan kayan da aka rufe yana nunawa a cikin bangarori biyu na tasirin wutar lantarki da kuma tasirin rashin wutar lantarki.Tasirin yana da illa sosai ga kayan rufewa.
Abin da ake kira cajin sararin samaniya yana nufin ɓangaren cajin wanda ya zarce tsaka tsaki na sashin tsari na macroscopic abu.A cikin m, tabbatacce ko korau cajin sarari yana daure zuwa wani matakin makamashi na gida kuma ana bayar da shi ta nau'in ƙunƙun jahohin polaron.Tasirin polarization.Abin da ake kira sararin cajin sararin samaniya shine tsari na tara ions mara kyau a kan mahaɗin a kan gefen wutar lantarki mai kyau da kuma ions masu kyau a kan mahaɗin a kan ƙananan wutar lantarki saboda motsi na ion lokacin da ions kyauta ke kunshe a cikin dielectric.
A cikin filin lantarki na AC, ƙaura na caji mai kyau da mara kyau na kayan ba zai iya ci gaba da sauye-sauye masu sauri a cikin wutar lantarki ta mita ba, don haka tasirin cajin sararin samaniya ba zai faru ba;yayin da a cikin wutar lantarki na DC, ana rarraba wutar lantarki bisa ga juriya, wanda zai haifar da cajin sararin samaniya kuma ya shafi rarraba wutar lantarki.Akwai adadi mai yawa na jihohi a cikin rufin polyethylene, kuma tasirin cajin sararin samaniya yana da mahimmanci musamman.Layin rufin rufin polyethylene mai haɗin giciye yana haɗe-haɗe da sinadarai kuma wani tsari ne mai haɗin kai.Shi polymer wanda ba na iyakacin duniya ba.Daga mahangar dukkan tsarin na USB, kebul ɗin kanta yana kama da babban capacitor.Bayan an dakatar da watsawar DC, Yayi daidai da kammala cajin capacitor.Ko da yake jagoran jagora yana ƙasa, ba za a iya fitar da shi da kyau ba.Babban adadin wutar lantarki na DC har yanzu yana cikin kebul, wanda shine abin da ake kira cajin sarari.Waɗannan cajin sararin samaniya ba kamar wutar AC bane.Ana cinye kebul ɗin tare da asarar dielectric, amma an wadatar da shi a lahanin na USB;kebul na kebul na polyethylene mai haɗin giciye, tare da haɓaka lokacin amfani ko katsewa akai-akai da canje-canje a cikin ƙarfin halin yanzu, zai tara ƙarin cajin sarari.Haɗa saurin tsufa na Layer insulating, ta haka yana shafar rayuwar sabis.Saboda haka, aikin insulation na USB akwati na DC har yanzu ya bambanta da na kebul na AC.
Dongguan Slocable Photovoltaic Technology Co.,LTD.
Ƙara: Guangda Manufacturing Hongmei Science and Technology Park, No. 9-2, Hongmei Section, Wangsha Road, Hongmei Town, Dongguan, Guangdong, China
Saukewa: 0769-220101
