Kungani ukusebenza kwezintambo ze-photovoltaic kubalulekile?Izintambo ze-photovoltaic zivame ukuchayeka elangeni, futhi izinhlelo zamandla elanga zivame ukusetshenziswa ezimweni ezinzima zemvelo, njengamazinga okushisa aphezulu kanye nemisebe ye-ultraviolet.EYurophu, izinsuku ezinelanga zizokwenza ukuthi izinga lokushisa elisendaweni yezinhlelo zamandla elanga lifinyelele ku-100°C.
Njengamanje, izinto ezihlukahlukene esingazisebenzisa zihlanganisa i-PVC, irabha, i-TPE kanye nezinto zokuxhumanisa ezisezingeni eliphezulu, kodwa ngeshwa, izintambo zenjoloba ezikalwe ku-90 ° C ngisho nezintambo ze-PVC ezilinganiselwe ku-70 ° C zivame ukusetshenziswa ngaphandle.Ukuze ulondoloze izindleko, osonkontileka abaningi abakhethi izintambo ezikhethekile zezinhlelo zamandla elanga, kodwa bakhetha izintambo ezijwayelekile ze-PVC ukuze zithathe indawo yezintambo ze-photovoltaic.Ngokusobala, lokhu kuzothinta kakhulu impilo yesevisi yesistimu.
Izici zezintambo ze-photovoltaic zinqunywa ukuhlukaniswa kwekhebula okukhethekile kanye nezinto ze-sheath, esizibiza ngokuthi i-PE exhunywe ngokuphambana.Ngemva kokufakwa kwemisebe nge-accelerator ye-irradiation, ukwakheka kwamangqamuzana ezinto zekhebula kuzoshintsha, ngaleyo ndlela kunikeze izici zayo ezihlukahlukene zokusebenza.
Ukumelana nemithwalo yemishini Eqinisweni, ngesikhathi sokufakwa nokugcinwa, izintambo zingahanjiswa emikhawulweni ebukhali yezakhiwo zophahla, futhi izintambo kufanele zimelane nokucindezela, ukugoba, ukungezwani, imithwalo ye-cross-tension kanye nomthelela onamandla.Uma umgodla wekhebula ungaqinile ngokwanele, ungqimba lokufakwa kwekhebula luzolimala kakhulu, ngaleyo ndlela luthinte impilo yesevisi yekhebula lonke, noma lubangele izinkinga ezinjengomjikelezo omfishane, umlilo nokulimala komuntu siqu.
Ukusebenza kwezintambo ze-photovoltaic
Izakhiwo zikagesi
Ukumelana ne-DC
Ukumelana ne-DC komgogodla we-conductive wekhebula eqediwe ku-20℃ akukhulu kuno-5.09Ω/km.
Ukuhlolwa kwe-voltage yokucwiliswa kwamanzi
Ikhebuli eqediwe (20m) icwiliswa (20±5)℃ emanzini ihora elingu-1 bese ihlolelwa amandla kagesi angu-5min (AC 6.5kV noma i-DC 15kV) ngaphandle kokuphuka.
Ukumelana ne-voltage ye-DC isikhathi eside
Isampula liyi-5m ubude futhi lifakwe ku-(85±2)℃ emanzini acwengekile aqukethe u-3% we-sodium chloride (NaCl) isikhathi (240±2)h, zombili iziphetho zivezwe emanzini ngo-30cm.I-voltage ye-DC engu-0.9kV isetshenziswa phakathi kwengqikithi namanzi (i-coductive core ixhunywe esigxotsheni sephozithivu futhi amanzi axhunywe esigxotsheni esinegethivu).Ngemva kokuthatha isampula, kwenziwa ukuhlolwa kwe-voltage yokucwiliswa kwamanzi.I-voltage yokuhlola ingu-AC 1kV, futhi akukho ukwehlukana okudingekayo.
Ukumelana ne-insulation
Ukumelana nokufakwa kwentambo eqediwe ku-20℃ akukho ngaphansi kuka-1014Ω˙cm, futhi ukumelana nokufakwa kwentambo eqediwe ku-90℃ akukho ngaphansi kuka-1011Ω˙cm.
Ukumelana ne-sheath surface
Ukumelana okungaphezulu komgodla wekhebula oqediwe akufanele kube ngaphansi kuka-109Ω.
Ezinye izakhiwo
Ukuhlolwa kwengcindezi yokushisa okuphezulu (GB/T 2951.31-2008)
Izinga lokushisa (140 ± 3) ℃, isikhathi 240min, k=0.6, ukujula kwe-indent akudluli u-50% wobukhulu obuphelele bokufakwa kanye neshethi.Futhi i-AC6.5kV, ukuhlolwa kwamandla kagesi angu-5min kuyenziwa, futhi akukho ukwehlukana okudingekayo.
Ukuhlola ukushisa okumanzi
Isampula ibekwe endaweni enezinga lokushisa elingu-90℃ kanye nomswakama ohlobene no-85% we-1000h.Ngemva kokupholisa ekamelweni lokushisa, izinga lokushintsha lamandla e-tensile lingu-≤-30% futhi izinga lokushintsha kwe-elongation ngesikhathi sekhefu lingu-≤-30% uma kuqhathaniswa nangaphambi kokuhlolwa.
Ukuhlolwa kokumelana nesisombululo se-Acid ne-alkali (GB/T 2951.21-2008)
Amaqembu amabili amasampula acwiliswe kusisombululo se-oxalic acid ene-concentration ye-45g/L nesisombululo se-sodium hydroxide ene-concentration ye-40g/L, ngokulandelana, ekushiseni okungu-23℃ ku-168h.Uma kuqhathaniswa nangaphambi kokucwiliswa esixazululweni, izinga lokushintsha lamandla e-tensile lalingu-≤±30%, futhi ukwelulwa ngesikhathi sekhefu kwaba ngu-≥100%.
Ukuhlolwa kokuhambisana
Ngemuva kokuthi ikhebula selikhulile i-7 × 24h ku-(135 ± 2)℃, izinga lokushintsha lamandla okuqina ngaphambi nangemva kokuguga kwe-insulation kwaba ≤± 30%, futhi izinga lokushintsha kwe-elongation ngesikhathi sekhefu lalingu-≤± 30%;izinga lokushintsha lamandla okuqina ngaphambi nangemva kokuguga kwe-sheath lalingu-≤-30%, futhi izinga lokushintsha kobude ngesikhathi sekhefu lalingu-≤±30%.
Ukuhlolwa komthelela wezinga lokushisa eliphansi (8.5 ku-GB/T 2951.14-2008)
Izinga lokushisa lokupholisa -40 ℃, isikhathi 16h, ukwehla isisindo 1000g, umthelela block mass 200g, drop ukuphakama 100mm, akukho imifantu ebonakalayo ebusweni.
Ukuhlolwa kokugoba kwezinga lokushisa eliphansi (8.2 ku-GB/T 2951.14-2008)
Izinga lokushisa elipholile (-40 ± 2) ℃, isikhathi esingu-16h, ububanzi benduku yokuhlola izikhathi ezingu-4 ~ 5 ububanzi obungaphandle bekhebula, ama-3 ~ 4 amajika, akukho mifantu ebonakalayo ebusweni bomgobolondo ngemva kokuhlolwa.
Ukuhlolwa kokumelana ne-ozone
Ubude besampula bungama-20cm futhi bufakwa esitsheni sokumisa amahora angu-16.Ububanzi benduku yokuhlola esetshenziswe ekuhlolweni kokugoba (2±0.1) izikhathi zobubanzi obungaphandle bekhebula.Igumbi lokuhlola: izinga lokushisa (40±2)℃, umswakama ohlobene (55±5)%, ukugxiliswa kwe-ozone (200±50)×10-6%, ukugeleza komoya: 0.2~0.5 izikhathi zomthamo wegumbi lokuhlola/min.Isampula lifakwa ekamelweni lokuhlola amahora angu-72.Ngemuva kokuhlolwa, akufanele kube nemifantu ebonakalayo ebusweni bomgodla.
Ukumelana nesimo sezulu/ukuhlolwa kwe-ultraviolet
Umjikelezo ngamunye: ukuchelela imizuzu engu-18, ukomiswa kwesibani se-xenon imizuzu engu-102, izinga lokushisa (65±3)℃, umswakama ohlobene 65%, amandla amancane ngaphansi kobude begagasi 300~400nm: (60±2)W/m2.Ngemuva kwamahora angu-720, ukuhlolwa kokugoba kwenziwa ekamelweni lokushisa.Ububanzi benduku yokuhlola izikhathi ezingu-4 ~ 5 ububanzi bangaphandle bekhebula.Ngemuva kokuhlolwa, akufanele kube nemifantu ebonakalayo ebusweni bomgodla.
Ukuhlolwa kokungena okunamandla
Ngaphansi kwezinga lokushisa legumbi, isivinini sokusika i-1N/s, inombolo yokuhlolwa kokusika: izikhathi ezingu-4, isikhathi ngasinye lapho isampula yokuhlola iqhubeka, kufanele iqhubekele phambili ngo-25mm futhi ijikeleze i-90 ° ngokwewashi ngaphambi kokuqhubeka.Rekhoda amandla okungena F lapho inaliti yensimbi yasentwasahlobo ithinta intambo yethusi, futhi inani elimaphakathi lingu-≥150˙Dn1/2 N (4mm2 cross section Dn=2.5mm)
Ukumelana namazinyo
Thatha izigaba ezi-3 zamasampuli, isigaba ngasinye sihlukene ngo-25mm, futhi wenze amazinyo angu-4 ngokuzungezisa okungu-90°, ukujula kwe-dent kungu-0.05mm futhi kuncike ku-conductor yethusi.Izingxenye ezi-3 zamasampula zibekwe ku--15℃, izinga lokushisa legumbi, kanye namagumbi okuhlola angu-+85℃ isikhathi esingu-3h, bese zilimala ku-mandrel emakamelweni azo okuhlola.Ububanzi be-mandrel bungu-(3±0.3) izikhathi ezinobukhulu obuncane obungaphandle bekhebula.Okungenani inothi eyodwa yesampula ngayinye itholakala ngaphandle.Akukho ukwehlukana okubonwayo ngesikhathi sokuhlolwa kwamandla kagesi wokucwiliswa kwe-AC0.3kV.
Ukuhlolwa kokushisa kwe-Sheath (11 ku-GB/T 2951.13-2008)
Isampula isikwa ibe ngobude be-L1=300mm, ifakwe kuhhavini ongu-120℃ ihora elingu-1, bese ikhishwa futhi ipholiswe ekamelweni lokushisa.Phinda lo mjikelezo oshisayo nobandayo izikhathi ezi-5, futhi ekugcineni uphole ekamelweni lokushisa.Izinga lokuncipha kokushisa kwesampula liyadingeka ukuthi libe ngu-≤2%.
Ukuhlolwa kokuvutha okuqondile
Ngemuva kokuthi ikhebula eliqediwe libekwe ku-(60±2)℃ i-4h, ukuhlolwa kokuvutha okuqondile okucaciswe ku-GB/T 18380.12-2008 kuyenziwa.
Ukuhlolwa kokuqukethwe kwe-halogen
PH kanye conductivity
Ukubekwa kwesampula: 16h, izinga lokushisa (21～25)℃, umswakama (45～55)%.Amasampula amabili, ngalinye (1000±5)mg, elichotshoziwe laba yizinhlayiyana ezingaphansi kuka-0.1mg.Izinga lokugeleza komoya (0.0157˙D2) l˙h-1±10%, ibanga phakathi kwesikebhe esivuthayo kanye nonqenqema lwendawo yokushisa esebenzayo yesithando somlilo ngu-≥300mm, izinga lokushisa esikebheni esivuthayo kufanele libe ≥935 ℃, kanye nezinga lokushisa elingu-300m kude nesikebhe esivuthayo (ngokuhambisana nendawo yokugeleza komoya) kumele libe ngu-≥900℃.
Igesi ekhiqizwe isampula yokuhlola iqoqwa ngebhodlela lokugeza igesi eliqukethe 450ml (PH value 6.5±1.0; conductivity ≤0.5μS/mm) amanzi acwecwe.Umjikelezo wokuhlola: 30min.Izimfuneko: PH≥4.3;conductivity ≤10μS/mm.
Okuqukethwe kwe-Cl no-Br
Ukubekwa kwesampula: 16h, izinga lokushisa (21~25)℃, umswakama (45~55)%.Amasampula amabili, ngalinye (500~1000)mg, achotshoziwe abe ngu-0.1mg.
Izinga lokugeleza komoya ngu-(0.0157˙D2)l˙h-1±10%, futhi isampuli ishiselwa ngokufanayo ibe ngu-(800±10)℃ ngama-40min futhi inakekelwa i-20min.
Igesi ekhiqizwe isampula yokuhlola imuncwa ngebhodlela lokugeza igesi eliqukethe i-220ml/piece 0.1M isisombululo se-sodium hydroxide;i-liquid yamabhodlela amabili okugeza igesi ijojowe ebhodleleni le-volumetric, futhi ibhodlela lokugeza igesi kanye nezesekeli zalo zihlanzwa ngamanzi a-distilled futhi zifakwe ebhodleleni le-volumetric ku-1000ml.Ngemuva kokupholisa ekamelweni lokushisa, i-200ml yesisombululo esihloliwe idonselwa ebhodleleni le-volumetric nge-pipette, i-4ml ye-nitric acid egxilile, i-20ml ye-0.1M ye-nitrate yesiliva, kanye ne-3ml ye-nitrobenzene ye-nitrobenzene yengezwa, bese inyakaziswa kuze kube yilapho i-flocs emhlophe ifakwe;Isixazululo samanzi se-ammonium sulfate esingu-40% kanye namaconsi ambalwa esisombululo se-nitric acid kwengezwa ukuze kuxutshwe ngokuphelele, kugqugquzelwe nge-stirrer kazibuthe, bese kwengezwa isisombululo se-ammonium hydrogen sulfide titration.
Izidingo: Isilinganiso samanani okuhlola amasampula amabili: HCL≤0.5%;HBr≤0.5%;
Inani lokuhlola lesampula ngayinye ≤ isilinganiso samanani okuhlola amasampuli amabili ±10%.
F okuqukethwe
Faka u-25-30 mg wesampula yezinto ezibonakalayo esitsheni somoya-mpilo esingu-1L, engeza amaconsi angu-2-3 e-alkanol, bese wengeza u-5 ml wesisombululo se-sodium hydroxide esingu-0.5M.Vumela isampula lishise, bese uthela insalela enkomishini yokulinganisa engu-50 ml ngokuyihlanza kancane.
Xuba u-5 ml wekhambi lebhafa esixazululweni sesampula bese uhlanza isisombululo kumaki.Dweba ijika lokulinganisa ukuze uthole ukuhlangana kwe-fluorine kwesixazululo sesampula, futhi uthole okuqukethwe kwephesenti le-fluorine kusampula ngokubala.
Isidingo: ≤0.1%.
Izici zemishini ye-insulation kanye nezinto ze-sheath
Ngaphambi kokuguga, amandla aqinile okufakwa kwe-insulation ≥6.5N/mm2, ubude ngesikhathi sekhefu ≥125%, amandla aqinile we-sheath ≥8.0N/mm2, kanti ubude ngesikhathi sekhefu ≥125%.
Ngemuva kokuguga ku-(150 ± 2) ℃ kanye no-7 × 24h, izinga lokushintsha lamandla okuqina okufakelwa kanye ne-sheath ngaphambi nangemva kokuguga ngu-≤-30%, kanye nezinga lokushintsha kwe-elongation ngesikhathi sokuphumula kwe-insulation kanye ne-sheath ngaphambi nangemva kokuguga. ngu-≤-30%.
Ukuhlolwa kwe-thermal elongation
Ngaphansi komthwalo ongu-20N/cm2, ngemva kokuba isampula lifakwe ekuhlolweni kobude obushisayo ku-(200±3)℃ nge-15min, inani elimaphakathi lokwelulwa kwe-insulation ne-sheath akufanele libe likhulu kuno-100%, kanye ne-median. inani lokwenyuka kwebanga phakathi kwemigqa yokumaka ngemva kokuba isifanekiso sikhishwe kuhhavini futhi sipholile akufanele sibe ngaphezu kuka-25% webanga ngaphambi kokuba isifanekiso sibekwe kuhhavini.
Impilo eshisayo
Ngokwejika le-Arrhenius le-EN 60216-1 kanye ne-EN60216-2, inkomba yokushisa ingu-120 ℃.Isikhathi 5000h.Izinga lokugcinwa kwe-elongation ngesikhathi sokuphumula kwe-insulation kanye ne-sheath: ≥50%.Bese wenza ukuhlolwa kokugoba ekamelweni lokushisa.Ububanzi benduku yokuhlola buphindwe kabili ububanzi bangaphandle bekhebula.Ngemuva kokuhlolwa, akufanele kube nemifantu ebonakalayo ebusweni bomgodla.Impilo edingekayo: iminyaka engu-25.
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Isikhathi sokuthumela: Jun-20-2024
