2020-11-07
Umugozi wa Photovoltaic, bizwi kandi nka PV wire, ni insinga imwe ya kiyobora ikoreshwa muguhuza amashanyarazi ya fotora.
Igice kiyobora umugozi wa Photovoltaque numuyoboro wumuringa cyangwa umuyoboro wumuringa usizwe mumabati, urwego rwimitsi ni imirasire ihujwe na polyolefin, kandi sheath ni imirasire ihuza polyolefin.Umubare munini winsinga za DC mumashanyarazi yamashanyarazi agomba gushyirwa hanze, kandi ibidukikije birakaze.Ibikoresho by'insinga bigomba gushingira kuri anti-ultraviolet, ozone, ihinduka rikabije ry'ubushyuhe ndetse n'isuri.Igomba kuba idafite ubushyuhe, irwanya imishwarara, ubukonje, irwanya ubushyuhe, na anti-ultraviolet.Mubidukikije bimwe bidasanzwe, harasabwa ibintu byimiti nka aside na alkali.
NEC (Kode y’amashanyarazi yo muri Amerika) yateguye ingingo ya 690 Solar Photovoltaic (PV) sisitemu yo kuyobora sisitemu yingufu zamashanyarazi, imirongo yumurongo wa sisitemu yifotora, inverter hamwe nubugenzuzi bwamafaranga.NEC isanzwe ikoreshwa mubice bitandukanye muri Amerika (amabwiriza yaho arashobora gukurikizwa).
2017 NEC Ingingo ya 690 Igice cya IV uburyo bwo gukoresha insinga butuma uburyo butandukanye bwo gukoresha insinga zikoreshwa muri sisitemu yo gufotora.Ku bayobora bonyine, gukoresha UL-byemewe na USE-2 (ubwinjiriro bwa serivisi yo munsi y'ubutaka) hamwe n'ubwoko bw'insinga za PV biremewe ahantu hagaragara hanze yumuriro w'amashanyarazi mumashanyarazi.Iremera kandi insinga za PV gushyirwaho mumurongo wa PV yo hanze yo hanze hamwe na PV isohora imiyoboro idakenewe gukoreshwa neza.Niba amashanyarazi ya fotokoltaque hamwe nibisohoka byumuzunguruko bikora hejuru ya volt 30 ahantu hagaragara, mubyukuri hari aho bigarukira.Muri iki kibazo, birasabwa ubwoko bwa MC cyangwa umuyobozi ukwiye washyizwe mumihanda.
NEC ntabwo izi amazina yicyitegererezo yo muri Kanada, nka RWU90, RPV cyangwa RPVU insinga zidafite imirasire yizuba ya UL yemewe.Kubyashizwe muri Kanada, 2012 CEC Igice cya 64-210 gitanga amakuru kubwoko bw'insinga zemewe kubisabwa bifotora.
| Umugozi usanzwe | Umugozi w'amashanyarazi | |
| kwigana | Irrasiyoya ihuza polyolefin | PVC cyangwa XLPE |
| ikoti | Irrasiyoya ihuza polyolefin | Urupapuro rwa PVC |
Ibikoresho bitandukanye bishobora gukoreshwa mumigozi isanzwe nibikoresho byujuje ubuziranenge bihujwe nka polyvinyl chloride (PVC), reberi, elastomer (TPE) hamwe na polyethylene (XLPE), ariko birababaje kubona amanota menshi ubushyuhe bwinsinga zisanzwe Byongeye, ndetse ninsinga za PVC zifite insinga zifite ubushyuhe bwa 70 ℃ zikoreshwa kenshi hanze, ariko ntizishobora kuzuza ibisabwa byubushyuhe bwinshi, kurinda UV no kurwanya ubukonje.
Mugihe insinga za Photovoltaque zikunze kugaragara kumirasire yizuba, ingufu zizuba zikoreshwa mubidukikije bikaze, nkubushyuhe buke hamwe nimirasire ya ultraviolet.Mu gihugu cyangwa mu mahanga, iyo ikirere kimeze neza, ubushyuhe bwo hejuru bw'izuba buzaba bugera kuri 100 ℃.
Kumugozi wa Photovoltaque, mugihe cyo kwishyiriraho no kubishyira mu bikorwa, insinga zirashobora kunyuzwa kumpande zikarishye zuburyo bw'igisenge.Muri icyo gihe, insinga zigomba kwihanganira igitutu, kugunama, guhagarika umutima, guhuza imizigo iremereye hamwe no kurwanya ingaruka zikomeye, ziruta insinga zisanzwe.Niba ukoresheje insinga zisanzwe, sheath ifite imikorere mibi yo gukingira UV, bizatera gusaza kwicyuma cyo hanze cyumugozi, kizagira ingaruka kumurimo wa kabili, gishobora gutuma habaho kugaragara nkibibazo nkumurongo mugufi. , gutabaza umuriro, no gukomeretsa abakozi.Nyuma yo kuraswa, ikoti ya insimburangingo ya Photovoltaque ifite ubushyuhe bwinshi nubukonje bukabije, kurwanya amavuta, aside hamwe n umunyu wa alkali, kurinda UV, kutagira umuriro, no kurengera ibidukikije.Amashanyarazi ya Photovoltaque akoreshwa cyane mubidukikije bikaze hamwe nubuzima bwa serivisi bwimyaka irenga 25.
Kurwanya DC kwingirakamaro ya kabili yarangiye kuri 20 ℃ ntabwo irenze 5.09Ω / km.
Umugozi wuzuye (20m) ntuzasenyuka nyuma yo kwibizwa mumazi (20 ± 5) ℃ amazi ya 1h nyuma yikizamini cya voltage 5min (AC 6.5kV cyangwa DC 15kV).
Uburebure bw'icyitegererezo ni 5m, ongeramo (85 ± 2) water amazi yatoboye arimo 3% NaCl (240 ± 2) h, hanyuma utandukanye hejuru y'amazi na 30cm.Koresha imbaraga za DC 0.9kV hagati yintoki namazi (intangiriro ya conge ihujwe, namazi ahujwe na Nick).Nyuma yo gukuramo urupapuro, kora ikizamini cya voltage immersion.Umuvuduko wikizamini ni AC 1kV, kandi nta gusenyuka bisabwa.
Kurwanya insulasiyo ya kabili yarangiye kuri 20 ℃ ntabwo iri munsi ya 1014Ω · cm,
Kurwanya insulasiyo ya kabili yarangiye kuri 90 ℃ ntabwo iri munsi ya 1011Ω · cm.
Ubuso bwo guhangana nubutaka bwuzuye ntibugomba kuba munsi ya 109Ω.
Ubushyuhe (140 ± 3) ℃, igihe 240min, k = 0,6, ubujyakuzimu bwa indentation ntiburenga 50% yubunini bwuzuye bwimyororokere.Kandi ukore AC6.5kV, 5min ikizamini cya voltage, nta gusenyuka bisabwa.
Icyitegererezo gishyirwa mubidukikije bifite ubushyuhe bwa 90 ℃ nubushuhe bugereranije bwa 85% kuri 1000h.Nyuma yo gukonjesha ubushyuhe bwicyumba, igipimo cyimpinduka zingufu zingana ni ≤-30% naho igipimo cyo kuramba mugihe cyo kuruhuka ni ≤-30% ugereranije na mbere yikizamini.
Amatsinda abiri yintangarugero yibijwe mumuti wa aside ya oxyde hamwe na 45g / L hamwe na hydroxide hydroxide ya sodium hamwe na 40g / L, ku bushyuhe bwa 23 ° C kuri 168h.Ugereranije nigisubizo mbere yo kwibizwa, igipimo cyingufu zahindutse cyari ≤ ± 30%, kurambura kuruhuka ≥100%.
Umugozi wose umaze gusaza kuri 7 × 24h kuri (135 ± 2) ℃, igipimo cyimpinduka zingufu zingutu mbere na nyuma yo gusaza kwizuba ni ≤ ± 30%, igipimo cyimpinduka zo kuramba kuruhuka ni ≤ ± 30%;igipimo cyimpinduka zingufu zingutu mbere na nyuma yicyatsi kirasaza ni ≤ -30%, igipimo cyo kuramba kuruhuka ≤ ± 30%.
Ubukonje bukonje -40 ℃, igihe 16h, uburemere bwibitonyanga 1000g, uburemere bwingaruka zo guhagarika 200g, uburebure bwamanutse 100mm, ntihakagombye kubaho ibice bigaragara hejuru.
Ubushuhe bukonje (-40 ± 2) ℃, isaha 16h, umurambararo winkoni yikizamini wikubye inshuro 4 kugeza kuri 5 z'umurambararo winyuma wa kabili, ukazunguruka inshuro 3 kugeza kuri 4, nyuma yikizamini, ntihakagombye kubaho ibice bigaragara kumpapuro. hejuru.
Uburebure bw'icyitegererezo ni 20cm, kandi bushyirwa mu cyuma cyumye kuri 16h.Diameter yinkoni yikizamini ikoreshwa mugupima kugonda ni (2 ± 0.1) inshuro ya diameter yo hanze ya kabili.Icyumba cy'ibizamini: ubushyuhe (40 ± 2) ℃, ubuhehere bugereranije (55 ± 5)%, ubunini bwa ozone (200 ± 50) × 10-6%, Umuyaga uva mu kirere: inshuro 0.2 kugeza 0.5 z'ubunini bw'icyumba / min.Icyitegererezo gishyirwa mu gasanduku k'ibizamini amasaha 72.Nyuma yikizamini, ntihakagombye kubaho ibice bigaragara hejuru yicyatsi.
Buri cyiciro: gutera amazi kuminota 18min, itara rya xenon ryumye kuri 102min, ubushyuhe (65 ± 3) ℃, ubuhehere bugereranije 65%, imbaraga nkeya ukurikije imiterere yumuraba 300 ～ 400nm: (60 ± 2) W / m2.Nyuma yamasaha 720, hakozwe ikizamini cyo kugonda ubushyuhe bwicyumba.Diameter yinkoni yikizamini yikubye inshuro 4 kugeza kuri 5 diameter yo hanze ya kabili.Nyuma yikizamini, ntihakagombye kubaho ibice bigaragara hejuru yicyatsi.
Ku bushyuhe bwicyumba, umuvuduko wo gukata ni 1N / s, numubare wibizamini byo gukata: inshuro 4.Icyitegererezo kigomba kwimurwa imbere ya 25mm no kuzunguruka 90 ° isaha buri gihe.Andika imbaraga zinjira muri F mugihe urushinge rwicyuma rwamasoko ruhuza umugozi wumuringa, kandi impuzandengo yabonetse ni ≥150 · Dn1 / 2N (igice cya 4mm2 Dn = 2.5mm)
Fata ibice 3 byintangarugero, buri gice gitandukanijwe na 25mm, hanyuma uzenguruke 90 ° kugirango ukore dente 4 zose, ubujyakuzimu bwa dent ni 0.05mm na perpendicular kumurongo winsinga.Ibice bitatu by'icyitegererezo byashyizwe mu gasanduku k'ibizamini kuri -15 ° C, ubushyuhe bw'icyumba, na + 85 ° C mu gihe cy'amasaha 3, hanyuma bikomeretsa kuri mandel muri buri gasanduku k'ibizamini.Diameter ya mandel yari (3 ± 0.3) inshuro byibura diameter yo hanze ya kabili.Nibura amanota imwe kuri buri sample iri hanze.Ntabwo isenyuka mugupima amazi ya AC0.3kV.
Uburebure bwaciwe bw'icyitegererezo ni L1 = 300mm, bushyirwa mu ziko kuri 120 ° C mu gihe cy'isaha 1 hanyuma bikajyanwa mu bushyuhe bw'icyumba kugira ngo bukonje.Subiramo uku gukonjesha no gushyushya inshuro 5, hanyuma ukonje kugeza ubushyuhe bwicyumba.Kugabanuka k'ubushyuhe bw'icyitegererezo birasabwa kuba ≤2%.
Umugozi urangiye ushyizwe kuri (60 ± 2) ° C mumasaha 4, ikorerwa ikizamini cyo gutwika vertical cyerekanwe muri GB / T18380.12-2008.
PH hamwe nubushobozi
Icyitegererezo: 16h, ubushyuhe (21 ～ 25) ℃, ubuhehere (45 ～ 55)%.Ingero ebyiri, buri (1000 ± 5) mg, zajanjaguwe kugeza munsi ya 0.1 mg.Imyuka yo mu kirere (0.0157 · D2) l · h-1 ± 10%, intera iri hagati yubwato bwaka n’umupaka w’ahantu hashyushye neza h’itanura ni 00300mm, ubushyuhe mu bwato bwaka bugomba kuba ≥935 ℃, 300m kure yubwato bwaka (mu cyerekezo cyumuyaga) Ubushyuhe bugomba kuba ≥900 ℃.
Gazi itangwa nicyitegererezo cyakusanyirijwe hamwe icupa ryo gukaraba gaze irimo 450ml (agaciro ka PH 6.5 ± 1.0; imiyoboro ≤0.5μS / mm) y'amazi yatoboye.Igihe cyikizamini: 30min.Ibisabwa: PH≥4.3;imiyoboro ≤10μS / mm.
Dongguan Slocable Photovoltaic Technology Co, LTD.
Ongeraho ： A1-1310 Guangda We Valley, Ikiyaga cya Songshan, Dongguan, Guangdong, Ubushinwa
TEL ： 0769-22010201
