Ho latela kenyelletso ea tsebo ea motheo ealikhoele tsa marang-rang tsa metsingtokollong e fetileng, kajeno re tla tsoelapele ho hlahisa sebopeho se ikhethileng sa likhoele tsa marang-rang a leoatleng.Ka mantsoe a bonolo, likhoele tse tloaelehileng tsa marang-rang hangata li entsoe ka li-conductors, li-insulation layers, layers shielding le sheaths tse ka ntle, athe likhoele tsa marang-rang tse hlometseng li entsoe ka li-conductors, li-insulation layers, li-shielding layers, li-sheath tse kahare, likarolo tsa lihlomo le likhetla tse kantle.Ho ka bonoa hore likhoele tsa marang-rang tse hlometseng ha li na feela lera le eketsehileng la lihlomo ha li bapisoa le likhoele tse tloaelehileng tsa marang-rang, empa hape li na le lera le eketsehileng la tšireletso e ka hare ea sheath.Ka mor'a moo, re tla nka e mong le e mong mohato ka mohato ho fumana kutloisiso e tebileng ea lithapo tsa marang-rang a leoatleng.
1. Mokhanni
Thelisebelisoa tsa mohala oa marang-rangli-conductors li ka aroloa ka koporo e entsoeng ka masenke, koporo e hloekileng, terata ea aluminium, aluminiamo ea koporo, tšepe e entsoeng ka koporo le mefuta e meng.Ho latela maemo a IEC 61156-5-2020, li-conductors tse tiileng tsa koporo tse nang le bophara bo pakeng tsa 0.4mm le 0.65mm li lokela ho sebelisoa bakeng sa likhoele tsa marang-rang.Ka nako e ts'oanang, batho ba na le litlhoko tse phahameng tse ntseng li eketseha tsa sekhahla sa phetisetso le botsitso ba likhoele tsa marang-rang.Li-conductivity tse nang le conductivity tse fokolang joalo ka terata ea aluminium, aluminium e entsoeng ka koporo, le tšepe e entsoeng ka koporo li se li felisitsoe butle-butle 'marakeng, ka thepa ea koporo e kentsoeng le thepa ea koporo e se nang letho e nkileng boholo ba mmaraka.Ha e bapisoa le li-conductor tse hloekileng tsa koporo, koporo e entsoeng ka makotikoti e na le lik'hemik'hale tse tsitsitseng haholoanyane 'me e khona ho hanela ho bola ha li-conductor ka oxidation, lik'hemik'hale le mongobo, kahoo e boloka botsitso ba potoloho.
Mohaho oa mokhanni oa marang-rang o arotsoe ka mokhanni o tiileng le mokhanni oa stranded.Joalo ka ha lebitso le fana ka maikutlo, khondara e tiileng e bua ka terata e le 'ngoe ea koporo, athe khondara e khopehileng e entsoe ka lithapo tse ngata tse nyane tsa koporo tse phuthetsoeng ka sebopeho sa spiral, tse bohareng.Phapang e kholo lipakeng tsa li-conductor tse tsielehileng le li-conductor tse tiileng ke ts'ebetso ea tsona ea phetisetso.Ka lebaka la sebaka se seholo sa sefapano sa terata, ho fokotsa tahlehelo ea ho kenya.Ka hona, ho fokotseha ha li-conductor tse tsielehileng ke 20% -50% e kholo ho feta ea li-conductor tse tiileng.'Me ho na le likheo ka mokhoa o ke keng oa qojoa lipakeng tsa likhoele tsa terata ea koporo ka har'a mokhanni ea koetsoeng, e leng se bakang khanyetso e phahameng ea DC.Maemong a mangata, baenjiniere ba tloaetse ho sebelisa likhoele tsa marang-rang tse tiileng.Ha ba kopana le maemo a khethehileng a hlokang libaka tse moqotetsane le lithapo tse tenyetsehang, ba tla sebelisa li-conductors tse tenyetsehang haholoanyane ho fihlela litlhoko tsa ho kenya.
Lithapo tse ngata tsa marang-rang li tla sebelisa lintlha tse peli tsa li-conductor: 23AWG (0.57mm) le 24AWG (0.51mm).CAT5E e sebelisa li-conductor tsa 24AWG, ha CAT6, CAT6A, CAT7, le CAT7A li hloka ts'ebetso e ntle ea phetisetso, kahoo li-conductors tsa 23AWG li tla sebelisoa.Ha e le hantle, litlhaloso tsa IEC ha li khetholle ka ho hlaka litlhaloso tsa terata bakeng sa mefuta e sa tšoaneng ea likhoele tsa marang-rang.Hafeela mokhoa oa ho etsa lihlahisoa o le motle haholo 'me ts'ebetso ea phetisetso e finyella litlhoko, li-conductor tsa 24AWG li boetse li loketse CAT6 le ka holim'a likhoele tsa marang-rang.
2. Insulation
Lera la ho kenya letsoho la mohala oa marang-rang le sebelisoa haholo ho thibela ho tsoa ha matšoao nakong ea phetisetso ea thapo, ka hona ho qoba ho tsoa ha data.Ho ea ka litlhaloso tsa IEC60092-360 tse tloaelehileng le tsa malapeng tse kang GB/T 50311-2016, lisebelisoa tsa polyethylene (HDPE) kapa foamed polyethylene (PE Foam) hangata li sebelisoa e le lisebelisoa tsa ho kenya letsoho bakeng sa likhoele tsa marang-rang a leoatleng.Polyethylene ea boleng bo phahameng e na le khanyetso e ntle ho mocheso o phahameng le o tlase, thepa e matla ea mochini, boemo bo phahameng ba dielectric, le khatello e ntle ea tikoloho.Ka lebaka la ts'ebetso ea eona e babatsehang, e sebelisoa haholo.Polyethylene e nang le foamed e loketse lithapo tsa marang-rang tse phahameng tsa phetisetso tse nang le CAT6A le lintlha tse kaholimo ka lebaka la thepa ea eona e ntle ea dielectric.
3. Cross skeleton
The cross skeleton, eo hape e tsejoang e le cross keel, e sebelisoa ho arola lipara tse 'nè tsalikhoele tsa marang-rangka mahlakoreng a mane a fapaneng, ka hona, ho fokotsa puisano lipakeng tsa lipara;Keel ea sefapano ka kakaretso e entsoe ka HDPE ka bophara ba 0.5mm.Sehlopha sa 6 le ka holimo lithapo tsa marang-rang li na le maikutlo a mangata ho "lerata" la "lerata" ka lebaka la tlhokahalo ea ho fetisetsa data ea 1Gps kapa ho feta.Litlhoko tse phahameng tsa bokhoni ba ho thibela ho kena-kenana le likhoele.Ka hona, bakeng sa Lithapo tsa marang-rang tsa Sehlopha sa 6 ho ea holimo tse sa sebeliseng tšireletso ea terata ea aluminium foil, ho tla sebelisoa skeleton ea lipara tse 'nè tsa lithapo.
Leha ho le joalo, ha ho na ts'ebeliso ea skeleton ea sefapano bakeng sa lithapo tsa marang-rang tsa Sehlopha sa 5 le likhoele tsa marang-rang tse sirelelitsoeng ka lipara tsa foil tsa aluminium.Hobane bandwidth ea phetisetso ea thapo ea marang-rang ea Super Five ka boeona ha e kholo, sebopeho se sothehileng sa mohala ka boeona se ka fihlela litlhoko tse khahlano le tšitiso.Ka hona, ha ho hlokahale hore ho be le skeleton ea sefapano.Foil ea aluminium e sebelisetsoang ho sireletsa thapo ea marang-rang ka boeona e ka thibela tšitiso e phahameng ea maqhubu a motlakase.Ka hona, ha ho hlokahale ho sebelisa skeleton ea sefapano.Thapo e tsitsitseng e phetha karolo ea ho thibela thapo ea marang-rang hore e se ke ea otlolloa le ho ama ts'ebetso ea eona.Hajoale, baetsi ba lithapo ba ka sehloohong ba sebelisa fiberglass kapa liropo tsa nylon joalo ka liropo tse thata.
4. Thebe
Lera le sireletsang la thapo ea marang-rang le bua ka foil ea aluminium le mesh e lohiloeng, 'me lesela le sireletsang le sebelisoa haholo ho sireletsa tšitiso ea motlakase le ho netefatsa phetiso e tsitsitseng ea matšoao.Lera le sireletsang la thebe e le 'ngoethapo ea marang-rangke lera le le leng feela la foil ea aluminium, le botenya bo seng ka tlase ho 0.012mm le sekhahla sa ho phuthela se sa feteng 20%.Lera la filimi ea polasetiki ea PET, eo ka tloaelo e tsejoang e le Mylar, e tla phutheloa pakeng tsa mohala le aluminium foil single shielding layer ho arola phallo ea hona joale pakeng tsa mohala le tšepe e sireletsang le ho thibela hona joale ho senya mohala.Ho na le mefuta e 'meli ea likhoele tsa marang-rang tse sirelelitsoeng habeli, e' ngoe ke SF/UTP (e sireletsang ka ntle + aluminium foil general shielding), 'me e 'ngoe ke S/FTP (ea ka ntle e lohang + terata ho isa aluminium foil partial shielding).Ka bobeli li entsoe ka foil ea aluminium le mesh e lohiloeng, moo letlooeng le lohiloeng le entsoeng ka terata e entsoeng ka koporo e nang le bophara bo sa feteng 0.5mm, 'me boima ba ho loha bo ka etsoa ho latela litlhoko tsa tikoloho.Ka kakaretso, ho na le likere tse ngata tse sebelisoang hangata joalo ka 45%, 65%, le 80%.Ho ea ka tekanyetso ea moralo oa IEC60092-350 bakeng sa likhoele tsa leoatleng, terata e theohileng e amanang le bokaholimo ba tšepe ea lera le sirelelitsoeng e hloka ho kenyelletsoa ho thapo ea marang-rang e sirelelitsoeng e le 'ngoe ho thibela tšenyo e sa fetoheng, athe thapo e sirelelitsoeng habeli e sa sebetse. e hloka ho eketsoa kaha lera la braid la tšepe le ka lokolla motlakase o tsitsitseng.
5. Lihlomo
Cable ea netweke e hlometseng e bolela thapo ea marang-rang e nang le lera la tšireletso ea lihlomo tsa tšepe.Sepheo sa ho eketsa lesela la lihlomo ho mohala oa marang-rang ha se feela ho matlafatsa tšireletso ea mechine e kang matla a ho tsitsa le matla a ho hatella ho atolosa bophelo ba tšebeletso ea eona, empa hape le ho ntlafatsa ts'ebetso e khahlanong le tšitiso ka tšireletso ea tšireletso.Mofuta oa lihlomo oa likhoele tsa marang-rang tsa metsing ke lihlomo tse lohiloeng haholo, tse entsoeng ka terata ea tšepe e entsoeng ka masenke, terata ea koporo, terata ea koporo e entsoeng ka tšepe, kapa terata ea alloy ea koporo e kopanang le maemo a ISO7959-2.Ts'ebetsong ea 'nete ea tlhahiso, boholo ba lihlomo tsa terata li entsoe ka terata ea tšepe e entsoeng ka masenke (GSWB) le ho loha ka terata ea koporo (TCWB).Thepa ea GSWB e na le matla a holimo a mochini 'me e hanyetsana le mocheso o phahameng, e etsa hore e tšoanele libaka tse nang le litlhoko tse phahameng tsa matla a cable;Lisebelisoa tsa TCWB li na le matla a ho feto-fetoha ha maemo, radius e nyenyane e kobehang, empa matla a tlaase, 'me e loketse libaka tse nang le litlhoko tse phahameng tsa ho tiea ha cable.
6. Jacket
Sekhakha sa ka ntle sathapo ea marang-ranghangata e tsejoa ka hore ke lesela le kantle.Mosebetsi oa eona ke ho phuthela lipara tse ’nè tsa likhoele tsa marang-rang sebakeng, ho nolofatsa likhoele, le ho sireletsa lipara tse ’nè tsa lithapo tsa marang-rang.Sekhahla sa ka ntle se hloka ponahalo e chitja le e ts'oanang, e etsa hore ho be le homogeneous e tiileng, 'me e koahela likarolo tse ka tlase.Ha o ebola ka ntle sheath, e ke ke ea baka tšenyo ho insulation ka hare kapa ho sireletsa.Ho ea ka litlhoko tsa DNV Classification Society, botenya ba sekoahelo se ka ntle sa mohala oa marang-rang oa marine Dt = 0.04 · Df (bophahamo ba ka ntle ba sebopeho se ka hare sa sheath) + 0.5mm, 'me bonyane botenya ke 0.7mm.Thepa ea sheath ea likhoele tsa marang-rang ea metsing ke haholo mosi o tlase oa halogen-free flame retardant polyolefin (LSZH), e arotsoeng ka mekhahlelo e meraro: LSZH-SHF1, LSZH-SHF2, le LSZH-SHF2 MUD, mme e kopana le mefuta ea lisebelisoa e boletsoeng ho IEC60092. -360.Ha thepa ea LSZH e chesoa, mosi oa mosi o tlaase haholo 'me ha o na li-halogens (fluorochlorobromine iodine astatine), kahoo ha e hlahise likhase tse ngata tse chefo.Khatiso e fetileng e hlahisitse hore LSZH-SHF1 ke eona e tloaelehileng ka ho fetisisa ebile e loketse libakeng tse ngata tse tloaelehileng tsa ka hare, ha LSZH-SHF2 le LSZH-SHF2 MUD li loketse libaka tse matla haholo, tse kang FPSO le limela tsa motlakase tse lebōpong la leoatle.
Nako ea poso: Nov-09-2023