2020-11-07
Waya ta photovoltaic, wanda kuma aka sani da waya ta PV, waya ce mai gudanarwa guda ɗaya da ake amfani da ita don haɗa sassan tsarin wutar lantarki na photovoltaic.
Bangaren jagora na kebul na photovoltaic shine jagoran jan karfe ko kwandon jan karfe mai kwanon rufi, rufin rufin shine rufin rufin polyolefin radiation, kuma kumfa shine rufin rufin polyolefin na radiation.Yawancin igiyoyi na DC a cikin tashoshin wutar lantarki na photovoltaic suna buƙatar a shimfiɗa su a waje, kuma yanayin muhalli yana da tsanani.Ya kamata kayan aikin kebul su kasance a kan anti-ultraviolet, ozone, canje-canjen zafin jiki mai tsanani da yashwar sinadarai.Ya kamata ya zama tabbataccen danshi, anti-exposure, sanyi, mai jure zafi, da anti-ultraviolet.A wasu wurare na musamman, ana kuma buƙatar abubuwan sinadarai kamar acid da alkali.
NEC (Lambar Lantarki ta Ƙasar Amurka) ta haɓaka tsarin Mataki na 690 na Solar Photovoltaic (PV) don jagorantar tsarin makamashin lantarki, da'irori na tsarin photovoltaic, masu juyawa da masu kula da caji.Ana amfani da NEC akai-akai a cikin shigarwa daban-daban a cikin Amurka (ana iya amfani da ƙa'idodin gida).
Hanyar 2017 NEC Mataki na ashirin da 690 Sashe na IV na yin amfani da wayoyi yana ba da damar yin amfani da hanyoyin sadarwa daban-daban a cikin tsarin photovoltaic.Don masu gudanarwa guda ɗaya, ana ba da izinin yin amfani da UL-certified USE-2 (ƙofar sabis na ƙarƙashin ƙasa) da nau'ikan waya na PV a cikin waje da aka fallasa na da'irar wutar lantarki a cikin tsararrun hoto.Yana kara ba da damar shigar da igiyoyi na PV a cikin tire don da'irori na tushen PV na waje da na'urorin fitarwa na PV ba tare da buƙatar amfani da ƙima ba.Idan aikin samar da wutar lantarki na photovoltaic da na'ura mai fitarwa yana aiki sama da 30 volts a wurare masu samuwa, hakika akwai iyakoki.A wannan yanayin, ana buƙatar nau'in MC ko madugu mai dacewa da aka shigar a cikin titin tsere.
NEC ba ta san sunayen ƙirar Kanada ba, kamar RWU90, RPV ko igiyoyin RPVU waɗanda ba su ƙunshe da ingantattun aikace-aikacen hasken rana guda biyu na UL ba.Don shigarwa a Kanada, 2012 CEC Sashe na 64-210 yana ba da bayani game da nau'ikan wayoyi da aka yarda don aikace-aikacen hotovoltaic.
| Kebul na yau da kullun | Kebul na Photovoltaic | |
| rufi | Rinjayen rufin polyolefin mai haɗin kai | PVC ko XLPE rufi |
| jaka | Rinjayen rufin polyolefin mai haɗin kai | PVC kumfa |
Daban-daban kayan da za a iya amfani da su talakawa igiyoyi ne high quality interwoven mahada kayan kamar polyvinyl chloride (PVC), roba, elastomer (TPE) da kuma giciye-linked polyethylene (XLPE), amma abin takaici ne cewa mafi girma-rated. zafin jiki ga talakawa igiyoyi Bugu da kari, ko da PVC keɓaɓɓen igiyoyi tare da rated zafin jiki na 70 ℃ ana amfani da sau da yawa a waje, amma ba za su iya saduwa da bukatun high zafin jiki, UV kariya da sanyi juriya.
Yayin da igiyoyin photovoltaic sau da yawa ana fallasa su zuwa hasken rana, ana amfani da tsarin makamashin hasken rana a cikin yanayi mara kyau, kamar ƙananan zafin jiki da hasken ultraviolet.A gida ko waje, lokacin da yanayi yayi kyau, mafi girman zafin jiki na tsarin hasken rana zai kai 100 ℃.
Don igiyoyi na photovoltaic, a lokacin shigarwa da aikace-aikace, za a iya yin amfani da igiyoyi a kan gefuna masu kaifi na shimfidar rufin.A lokaci guda, igiyoyi dole ne su yi tsayayya da matsa lamba, lanƙwasawa, tashin hankali, nauyin ɗakuna masu tsaka-tsaki da ƙarfin tasiri mai karfi, wanda ya fi dacewa da igiyoyi na yau da kullum.Idan kun yi amfani da igiyoyi na yau da kullum, kullun yana da ƙarancin kariya ta UV, wanda zai haifar da tsufa na kebul na waje, wanda zai shafi rayuwar sabis na kebul, wanda zai haifar da bayyanar matsaloli irin su gajeren kewayawa na USB. , ƙararrawar wuta, da kuma rauni mai haɗari ga ma'aikata.Bayan an ba da haske, jaket ɗin da aka yi da kebul na photovoltaic yana da babban zafin jiki da juriya na sanyi, juriya na mai, juriya na acid da alkali, kariya ta UV, jinkirin wuta, da kare muhalli.Ana amfani da igiyoyin wutar lantarki na Photovoltaic a cikin yanayi mara kyau tare da rayuwar sabis na fiye da shekaru 25.
A DC juriya na conductive core na ƙãre na USB a 20 ℃ ne ba fiye da 5.09Ω / km.
Kebul ɗin da aka gama (20m) ba zai rushe ba bayan an nutsar da shi cikin (20± 5) ℃ ruwa don 1h bayan gwajin ƙarfin lantarki na 5min (AC 6.5kV ko DC 15kV).
Tsawon samfurin shine 5m, ƙara (85 ± 2) ℃ ruwa mai tsafta wanda ya ƙunshi 3% NaCl (240 ± 2) h, kuma raba saman ruwa ta 30cm.Aiwatar da wutar lantarki na DC 0.9kV tsakanin cibiya da ruwa (an haɗa core conductive, kuma ruwan yana da alaka da Nick).Bayan fitar da takardar, yi gwajin wutar lantarki na nutsewar ruwa.Gwajin gwajin shine AC 1kV, kuma ba a buƙatar rushewa.
A rufi juriya na ƙãre na USB a 20 ℃ ne ba kasa da 1014Ω · cm,
The rufi juriya na ƙãre na USB a 90 ℃ ne ba kasa da 1011Ω · cm.
Juriya na saman kumfa na USB da aka gama bai kamata ya zama ƙasa da 109Ω ba.
Zazzabi (140 ± 3) ℃, lokaci 240min, k = 0.6, zurfin indentation bai wuce 50% na jimlar kauri da rufi ba.Kuma gudanar da AC6.5kV, 5min ƙarfin lantarki gwajin, ba a bukatar rushewa.
Ana sanya samfurin a cikin yanayi tare da zafin jiki na 90 ℃ da zafi na dangi na 85% don 1000h.Bayan sanyaya zuwa dakin zafin jiki, canjin canjin ƙarfin ƙarfi shine ≤-30% kuma canjin canjin elongation a hutu shine ≤-30% idan aka kwatanta da kafin gwajin.
Ƙungiyoyin samfurori guda biyu sun nutsar da su a cikin maganin oxalic acid tare da ƙaddamar da 45g / L da sodium hydroxide bayani tare da ƙaddamar da 40g / L, a zazzabi na 23 ° C don 168h.Idan aka kwatanta da bayani kafin nutsewa, ƙimar canjin ƙarfin ƙarfi ya kasance ≤± 30%, elongation a hutu ≥100%.
Bayan da dukan kebul ya tsufa don 7 × 24h a (135 ± 2) ℃, canjin canjin ƙarfin ƙarfi kafin da kuma bayan tsufa tsufa shine ≤ ± 30%, canjin canjin elongation a hutu shine ≤ ± 30%;canjin canjin ƙarfin ƙarfi kafin da kuma bayan sheath shine tsufa shine ≤ -30%, canjin canjin elongation a hutu ≤ ± 30%.
Cooling zafin jiki -40 ℃, lokaci 16h, nauyi na drop nauyi 1000g, nauyi na tasiri block 200g, tsawo na digo 100mm, ya kamata babu bayyane fasa a kan surface.
Cooling zafin jiki (-40 ± 2) ℃, lokaci 16h, da diamita na gwajin sanda ne 4 zuwa 5 sau na waje diamita na USB, winding 3 zuwa 4 sau, bayan gwajin, ya kamata babu bayyane fasa a kan kwasfa. saman.
Tsawon samfurin shine 20cm, kuma an sanya shi a cikin jirgin ruwa na bushewa don 16h.Diamita na sandan gwajin da aka yi amfani da shi a gwajin lankwasawa shine (2± 0.1) sau da yawa diamita na waje na kebul.Gidan gwaji: zafin jiki (40 ± 2) ℃, dangi zafi (55 ± 5)%, sararin samaniya maida hankali (200 ± 50) × 10-6%, Gudun iska: 0.2 zuwa 0.5 sau da yawa girma / min.Ana sanya samfurin a cikin akwatin gwaji don 72 hours.Bayan gwajin, kada a sami fashewar gani a saman kube.
Kowane sake zagayowar: ruwa SPRAY for 18min, xenon fitila bushewa ga 102min, zazzabi (65 ± 3) ℃, dangi zafi 65%, m iko a karkashin yanayin raƙuman ruwa 300～400nm: (60 ± 2) W / m2.Bayan sa'o'i 720, an yi gwajin lanƙwasawa a cikin ɗaki.Diamita na sandan gwajin shine sau 4 zuwa 5 na waje diamita na kebul.Bayan gwajin, kada a sami fashewar gani a saman kube.
A dakin da zazzabi, da yankan gudun ne 1N / s, da kuma yawan yankan gwaje-gwaje: 4 sau.Dole ne a motsa samfurin gaba da 25mm kuma a juya 90° agogon agogo kowane lokaci.Yi rikodin ƙarfin shigar F a wannan lokacin da allurar karfen bazara ta tuntuɓar wayar tagulla, kuma matsakaicin ƙimar da aka samu shine ≥150 · Dn1/2N (sashe 4mm2 Dn = 2.5mm)
Ɗauki sassa 3 na samfurori, kowane sashe yana da 25mm baya, kuma juya 90 ° don yin jimlar 4 dents, zurfin haƙori shine 0.05mm kuma a tsaye zuwa wayar tagulla.An sanya sassan uku na samfurori a cikin akwatin gwaji a -15 ° C, dakin da zafin jiki, da + 85 ° C na tsawon sa'o'i 3, sa'an nan kuma rauni a kan mandrel a kowane akwatin gwajin daidai.Diamita na mandrel ya kasance (3± 0.3) sau mafi ƙarancin diamita na kebul.Aƙalla maki ɗaya don kowane samfurin yana nan a waje.Ba ya karyewa a cikin gwajin wutar lantarki na ruwa na AC0.3kV.
Tsawon yanke samfurin shine L1 = 300mm, an sanya shi a cikin tanda a 120 ° C na awa 1 sannan a fitar dashi zuwa dakin da zafin jiki don sanyaya.Maimaita wannan yanayin sanyaya da dumama sau 5, kuma a ƙarshe sanyaya zuwa zafin jiki.Ana buƙatar raguwar thermal na samfurin ya zama ≤2%.
Bayan an sanya kebul ɗin da aka gama a (60 ± 2) ° C na tsawon sa'o'i 4, ana yin gwajin ƙonawa a tsaye a cikin GB/T18380.12-2008.
PH da conductivity
Samfurin jeri: 16h, zazzabi (21 ~ 25) ℃, zafi (45 ~ 55)%.Samfura biyu, kowanne (1000 ± 5) MG, an murƙushe su zuwa barbashi da ke ƙasa 0.1 MG.Gudun iska (0.0157 · D2) l · h-1 ± 10%, nisa tsakanin jirgin ruwan konewa da gefen ingantaccen yankin dumama na tanderun shine ≥300mm, zafin jiki a jirgin konewa dole ne ≥935 ℃, 300m nesa da jirgin konewa (a cikin alkiblar iska ) Dole ne zafin jiki ya kasance ≥900 ℃.
Ana tattara iskar gas da aka samar ta hanyar gwajin gwajin ta hanyar kwalban wanke gas mai dauke da 450ml (PH darajar 6.5 ± 1.0; conductivity ≤0.5μS / mm) na ruwa mai tsabta.Lokacin gwaji: 30min.Abubuwan da ake buƙata: PH≥4.3;conductivity ≤10μS/mm.
Dongguan Slocable Photovoltaic Technology Co.,LTD.
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Saukewa: 0769-220101
