Hobaneng ha ts'ebetso ea likhoele tsa photovoltaic e le ea bohlokoa?Hangata likhoele tsa photovoltaic li pepesetsoa khanya ea letsatsi, 'me lisebelisoa tsa matla a letsatsi li atisa ho sebelisoa maemong a thata a tikoloho, joalo ka mocheso o phahameng le mahlaseli a ultraviolet.Europe, matsatsi a chabileng a tla etsa hore mocheso oa setšeng oa lisebelisoa tsa matla a letsatsi o fihle ho 100 ° C.
Hona joale, lisebelisoa tse sa tšoaneng tseo re ka li sebelisang li kenyelletsa PVC, rabara, TPE le lisebelisoa tsa boleng bo phahameng ba ho kopanya lifapano, empa ka bomalimabe, lithapo tsa rabara tse lekantsoeng ho 90 ° C esita le lithapo tsa PVC tse lekantsoeng ho 70 ° C hangata li sebelisoa ka ntle.E le ho boloka litšenyehelo, likonteraka tse ngata ha li khethe lithapo tse khethehileng bakeng sa lisebelisoa tsa matla a letsatsi, empa khetha lithapo tse tloaelehileng tsa PVC ho nkela lisebelisoa tsa photovoltaic sebaka.Ho hlakile hore sena se tla ama haholo bophelo ba tšebeletso ea tsamaiso.
Litšobotsi tsa lithapo tsa photovoltaic li khethoa ke lisebelisoa tsa bona tse khethehileng tsa lisebelisoa le lisebelisoa tsa sheath, tseo re li bitsang cross-linked PE.Ka mor'a ho khantša ka motlakase oa motlakase, sebopeho sa molek'hule sa lisebelisoa tsa cable se tla fetoha, ka hona se fane ka likarolo tsa eona tse sa tšoaneng tsa tshebetso.
Ho hanyetsa meroalo ea mechine Ha e le hantle, nakong ea ho kenya le ho lokisa, lithapo li ka tsamaisoa ka mahlakoreng a bohale a mehaho ea marulelo, 'me lithapo li tlameha ho mamella khatello, ho khumama, tsitsipano, meroalo ea likhohlano le liphello tse matla.Haeba sheath ea cable e se matla ka ho lekaneng, lera la ho kenya mohala le tla senyeha haholo, ka hona le ama bophelo ba ts'ebeletso ea mohala oohle, kapa ho baka mathata a kang potoloho e khuts'oane, mollo le kotsi ea motho.
Ts'ebetso ea likhoele tsa photovoltaic
Thepa ea motlakase
DC khanyetso
Khanyetso ea DC ea mokokotlo oa conductive oa thapo e phethiloeng ho 20 ℃ ha e kholo ho feta 5.09Ω/km.
Teko ea matla a ho qoelisoa ha metsi
Mohala o feliloeng (20m) o qoelisoa ka metsing (20±5)℃ bakeng sa 1h ebe o lekoa bakeng sa 5min voltage (AC 6.5kV kapa DC 15kV) ntle le ho senyeha.
Ho hanyetsa motlakase oa nako e telele oa DC
Sampole e bolelele ba 5m 'me e behiloe ka har'a (85±2)℃ metsi a qhibilihisitsoeng a nang le 3% sodium chloride (NaCl) bakeng sa (240±2)h,' me lipheletso ka bobeli li pepesitsoe holim'a metsi bakeng sa 30cm.Motlakase oa DC oa 0.9kV o sebelisoa pakeng tsa mantlha le metsi (mokotla oa conductive o hokahane le palo e ntle 'me metsi a kopantsoe le palo e fosahetseng).Kamora ho nka sampole, ho etsoa tlhahlobo ea motlakase oa ho qoelisoa metsing.Matla a teko ke AC 1kV, 'me ha ho hlokahale ho senyeha.
Insulation resistance
Ho hanyetsa mocheso oa thapo e phethiloeng ho 20 ℃ ha e ka tlase ho 1014Ω˙cm, mme ho hanyetsa ha thapo e phethiloeng ho 90 ℃ ha ho ka tlase ho 1011Ω˙cm.
Ho hanyetsa bokaholimo ba sheath
Ho hanyetsa bokaholimo ba sheath ea cable e phethiloeng ha ea lokela ho ba tlase ho 109Ω.
Thepa tse ling
Teko ea khatello e phahameng ea mocheso (GB/T 2951.31-2008)
Mocheso (140 ± 3) ℃, nako 240min, k = 0.6, botebo ba indentation ha bo fete 50% ea botenya bohle ba ho kenya le sheath.Mme AC6.5kV, 5min voltage voltage e ea etsoa, 'me ha ho na ho senyeha ho hlokahalang.
Teko ea mocheso o metsi
Mohlala o behiloe tikolohong e nang le mocheso oa 90℃ le mongobo o lekanyelitsoeng oa 85% bakeng sa 1000h.Ka mor'a ho pholile ho ea mocheso oa kamore, tekanyo ea phetoho ea matla a matla ke ≤-30% 'me tekanyo ea phetoho ea elongation nakong ea khefu ke ≤-30% ha e bapisoa le pele ho teko.
Teko ea ho hanyetsa tharollo ea asiti le alkali (GB/T 2951.21-2008)
Lihlopha tse peli tsa lisampole li ile tsa qoelisoa ka tharollo ea oxalic acid e nang le motsoako oa 45g / L le tharollo ea sodium hydroxide e nang le motsoako oa 40g / L, ka ho latellana, mocheso oa 23 ℃ bakeng sa 168h.Ha ho bapisoa le pele ho qoelisoa ka tharollo, tekanyo ea phetoho ea matla a ho tsitsa e ne e le ≤± 30%, 'me elongation nakong ea khefu e ne e le ≥100%.
Teko ea ho lumellana
Ka mor'a hore mohala o tsofetse bakeng sa 7 × 24h ho (135 ± 2) ℃, tekanyo ea phetoho ea matla a matla pele le ka mor'a botsofali ba ho pata e ne e le ≤± 30%, 'me sekhahla sa phetoho ea nako ea khefu e ne e le ≤± 30%;tekanyo ea phetoho ea matla a matla pele le ka mor'a botsofali ba sheath e ne e le ≤-30%, 'me tekanyo ea phetoho ea nako ea khefu e ne e le ≤± 30%.
Teko ea tšusumetso e tlase ea mocheso (8.5 ho GB/T 2951.14-2008)
Mocheso o batang -40 ℃, nako ea 16h, boima ba ho theoha 1000g, boima ba block block 200g, bophahamo ba ho theoha 100mm, ha ho na mapetsong a bonahalang holim'a metsi.
Teko e tlase ea mocheso o tlase (8.2 ho GB/T 2951.14-2008)
Mocheso o pholileng (-40 ± 2) ℃, nako ea 16h, bophara ba molamu oa teko makhetlo a 4 ~ 5 bophara ba ka ntle ba mohala, 3 ~ 4 e fetoha, ha ho na mapetsong a bonahalang holim'a sheath ka mor'a tlhahlobo.
Teko ea ho hanyetsa ozone
Bolelele ba sampole ke 20cm mme bo behoa ka setshelo sa ho omisa bakeng sa 16h.Bophara ba molamu oa teko o sebelisitsoeng tekong ea ho kobeha ke (2±0.1) makhetlo a bophara ba ka ntle ba thapo.Kamore ea teko: mocheso (40 ± 2) ℃, mongobo o lekanyelitsoeng (55 ± 5)%, mahloriso a ozone (200 ± 50) × 10-6%, phallo ea moea: 0.2 ~ 0.5 linako tse ling tsa kamore ea teko / min.Mohlala o behiloe ka kamoreng ea teko bakeng sa lihora tse 72.Ka mor'a tlhahlobo, ha hoa lokela ho ba le mapetsong a bonahalang holim'a sheath.
Ho hanyetsa boemo ba leholimo / teko ea ultraviolet
Potoloho e 'ngoe le e' ngoe: ho nosetsa metsotso e 18, ho omisa lebone la xenon metsotso e 102, mocheso (65 ± 3) ℃, mongobo o lekanyelitsoeng 65%, matla a fokolang tlas'a wavelength 300 ~ 400nm: (60±2)W/m2.Kamora lihora tse 720, tlhahlobo ea ho khumama e etsoa ka mocheso oa kamore.Bophara ba molamu oa teko ke makhetlo a 4 ~ 5 bophara ba ka ntle ba mohala.Ka mor'a tlhahlobo, ha hoa lokela ho ba le mapetsong a bonahalang holim'a sheath.
Teko ea ho kenella ka matla
Tlas'a mocheso oa kamore, lebelo la ho itšeha 1N / s, palo ea liteko tsa ho itšeha: makhetlo a 4, nako le nako ha sampuli ea teko e ntse e tsoela pele, e tlameha ho tsoela pele ka 25mm le ho potoloha 90 ° ka nako pele e tsoela pele.Rekota matla a ho kenella F ha nale ea tšepe ea selemo e hokahana le terata ea koporo, 'me boleng bo tloaelehileng ke ≥150˙Dn1/2 N (4mm2 cross section Dn=2.5mm)
Ho hanyetsa meno
Nka likarolo tse 3 tsa lisampole, karolo e 'ngoe le e' ngoe e arohane ka 25mm, 'me u etse li-denti tse 4 ho potoloha 90 °, botebo ba meno ke 0.05mm 'me ke perpendicular ho conductor ea koporo.Likarolo tse 3 tsa disampole li behiloe ho -15 ℃, mocheso oa kamore, le likamore tsa tlhahlobo tsa +85 ℃ bakeng sa 3h, ebe li lemala ka mandrel ka likamoreng tsa bona tsa tlhahlobo.Bophara ba mandrel ke (3±0.3) makhetlo a bonyane bophara ba ka ntle ba thapo.Bonyane notch e le 'ngoe ea sampole ka 'ngoe e fumaneha ka ntle.Ha ho karohano e bonoang nakong ea tlhahlobo ea motlakase oa AC0.3kV.
Sheath mocheso shrinkage teko (11 ho GB/T 2951.13-2008)
Sampole e khaotsoe ka bolelele ba L1 = 300mm, e behoa ka ontong ea 120 ℃ bakeng sa 1h, ebe e ntšoa ebe e pholile mocheso oa kamore.Pheta potoloho ena e chesang le e batang ka makhetlo a 5, 'me qetellong u pholile mocheso oa kamore.Sekhahla sa ho fokotseha ha mocheso oa mohlala ho hlokahala hore e be ≤2%.
Teko ea ho tuka
Kamora hore thapo e feliloeng e behoe ho (60 ± 2) ℃ bakeng sa 4h, ho etsoa teko ea mollo e otlolohileng e boletsoeng ho GB/T 18380.12-2008.
Teko ea litaba tsa Halogen
PH le conductivity
Mohlala oa ho beoa: 16h, mocheso (21～25)℃, mongobo (45～55)%.Mehlala e 'meli, e' ngoe le e 'ngoe (1000 ± 5) mg, e sithabetseng ka likaroloana tse ka tlase ho 0.1mg.Sekhahla sa phallo ea moea (0.0157˙D2) l˙h-1±10%, sebaka se pakeng tsa seketsoana se tukang le moeli oa sebaka se sebetsang hantle sa ho futhumatsa sebopi ke ≥300mm, mocheso sekepeng sa mollo o tlameha ho ba ≥935. ℃, 'me mocheso oa 300m hole le seketsoana sa mollo (ho bapa le tsela ea phallo ea moea) e tlameha ho ba ≥900℃.
Khase e hlahisoang ke sampuli ea teko e bokelloa ka botlolo ea ho hlatsoa khase e nang le 450ml (PH bohlokoa 6.5 ± 1.0; conductivity ≤0.5μS / mm) metsi a distilled.Potoloho ea teko: 30min.Litlhoko: PH≥4.3;conductivity ≤10μS/mm.
Litaba tsa Cl le Br
Mohlala oa ho beha: 16h, mocheso (21 ~ 25) ℃, mongobo (45 ~ 55)%.Mehlala e 'meli, e' ngoe le e 'ngoe (500 ~ 1000)mg, e sithabetseng ho 0.1mg.
Sekhahla sa phallo ea moea ke (0.0157˙D2)l˙h-1±10%, 'me sampole e futhumetse ka mokhoa o ts'oanang ho (800±10)℃ bakeng sa 40min' me e bolokiloe bakeng sa 20min.
Khase e hlahisoang ke sampuli ea teko e kenngoa ka botlolo ea ho hlatsoa khase e nang le 220ml / sengoathoana sa 0.1M sodium hydroxide solution;mokelikeli oa libotlolo tse peli tsa ho hlatsoa khase o kenngoa ka botlolo ea volumetric, 'me botlolo ea ho hlatsoa khase le lisebelisoa tsa eona li hloekisoa ka metsi a silafetseng ebe li kenngoa ka botlolo ea volumetric ho 1000ml.Ka mor'a ho pholile ho ea mocheso oa kamore, 200ml ea tharollo e lekiloeng e kenngoa ka botlolo ea volumetric e nang le pipette, 4ml ea concentrated nitric acid, 20ml ea 0.1M silver nitrate, le 3ml ea nitrobenzene e kenngoa, ebe e tsosoa ho fihlela li-flocs tse tšoeu li kenngoa;40% ea ammonium sulfate aqueous solution le marotholi a seng makae a nitric acid solution a eketsoa ho kopanya ka ho feletseng, a tsosoa ka magnetic stirrer, 'me tharollo ea ammonium hydrogen sulfide titration ea eketsoa.
Litlhoko: Karolelano ea litekanyetso tsa liteko tsa lisampole tse peli: HCL≤0.5%;HBr≤0,5%;
Boleng ba tlhahlobo ea sampole ka 'ngoe ≤ karolelano ea litekanyetso tsa liteko tsa lisampole tse peli ± 10%.
F litaba
Beha 25-30 mg ea lisebelisoa tsa sampuli ka har'a setshelo sa oksijene ea 1L, eketsa marotholi a 2-3 a alkanol, 'me u kenye 5 ml ea 0.5M sodium hydroxide solution.Tlohela sampole e che, 'me u tšollele masalla ka har'a kopi e lekanyang ea 50 ml ka ho e hlatsoa hanyenyane.
Kopanya 5 ml ea tharollo ea buffer ka har'a tharollo ea sampole ebe o hlatsoa tharollo ho letšoao.Thala mothinya oa calibration ho fumana motsoako oa fluorine oa sampole ea tharollo, 'me u fumane karolo ea liperesente tsa fluorine sampoleng ka lipalo.
Tlhokahalo: ≤0.1%.
Mechanical thepa ea insulation le sheath thepa
Pele botsofali bo tsofala, matla a ho koala ke ≥6.5N/mm2, bolelele nakong ea khefu ke ≥125%, matla a thata a sheath ke ≥8.0N/mm2, le bolelele nakong ea khefu ke ≥125%.
Kamora ho tsofala ho (150 ± 2) ℃ le 7 × 24h, sekhahla sa phetoho ea matla a ho tsikinyeha le sheath pele le ka mor'a botsofali ke ≤-30%, 'me sekhahla sa phetoho ea bolelele nakong ea khefu ea ho pata le sheath pele le ka mor'a botsofali. ke ≤-30%.
Teko ea ho lelefatsa mocheso
Tlas'a mojaro oa 20N / cm2, ka mor'a hore sampuli e behoe tekong ea mocheso oa mocheso ho (200 ± 3) ℃ bakeng sa 15min, boleng ba bohareng ba bolelele ba ho pata le sheath ha boa lokela ho ba bo boholo ho feta 100%, 'me bohare. boleng ba keketseho ea sebaka se pakeng tsa mela e tšoaeang ka mor'a hore mohlala o ntšitsoe ka ontong 'me o pholile ha oa lokela ho feta 25% ea sebaka pele mohlala o kenngoa ka ontong.
Bophelo ba mocheso
Ho latela curve ea Arrhenius ea EN 60216-1 le EN60216-2, index ea mocheso ke 120 ℃.Nako 5000h.Sekhahla sa ho boloka nako e telele nakong ea khefu ea insulation le sheath: ≥50%.Ebe u etsa tlhahlobo ea ho khumama mocheso oa kamore.Bophara ba molamu oa teko ke habeli bophara ba ka ntle ba mohala.Ka mor'a tlhahlobo, ha hoa lokela ho ba le mapetsong a bonahalang holim'a sheath.Bophelo bo hlokahalang: lilemo tse 25.
Ka kopo, ikutloe u lokolohile ho ikopanya le rona bakeng sa lintlha tse ling mabapi le lithapo tsa letsatsi.
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Nako ea poso: Jun-20-2024
