Kuyilo lwesakhiwo sezinto ezintshaayitshisiiintambo,i-polyethylene edityanisiweyo (XLPE) egqunywe nge-insulationIintambo zisetyenziswa kakhulu. Zibonisa ukusebenza kakuhle kombane, iimpawu zoomatshini, kunye nokuqina kokusingqongileyo. Zibonakaliswa ngamaqondo obushushu aphezulu okusebenza, amandla amakhulu okuhambisa, ukufakwa okungenamida, kunye nokufakelwa nokugcinwa okulula, zimele indlela yophuhliso lweentambo ezintsha.
1. Uyilo lwe-Cable Conductor
Ulwakhiwo kunye neempawu zeConductor: Ulwakhiwo lweConductor lusebenzisa uhlobo lwesibini lwesakhiwo se-compact esifana nefeni, kusetyenziswa isakhiwo esiqhelekileyo esixineneyo (1+6+12+18+24). Kwi-stranding eqhelekileyo, i-central level ine-wire enye, i-second level ine-wires ezintandathu, kwaye i-lateral levels ezilandelayo zahlukile ngee-wires ezintandathu. I-outer level ixineneyo ngasekhohlo, ngelixa ezinye i-extender levels zixineneyo ngakwicala elichaseneyo. Iingcingo zijikelezile kwaye zinobubanzi obulinganayo, ziqinisekisa uzinzo kolu lwakhiwo lwe-stranding. I-compact structure: Ngokuxinana, umphezulu we-conductor uba mpuluswa, uphepha ukuxinana kwamacandelo ombane. Kwangaxeshanye, ithintela izinto eziqhuba kancinci ukuba zingangeni kwi-wire core ngexesha lokufakelwa kwe-extrusion, ithintela ngempumelelo ukungena komswakama kwaye iqinisekise inqanaba elithile lokuguquguquka. I-Stranding conductors zinokuguquguquka okuhle, ukuthembeka, kunye namandla aphezulu.
2. Umaleko wokufaka iCableUyilo
Indima yomaleko wokuthintela ukuvuza kukuqinisekisa ukusebenza kombane wentambo kunye nokuthintela ukuhamba kombane ecaleni komqhubi. Kusetyenziswa isakhiwo se-extrusion, kunyeIzinto ze-XLPEIkhethelwe ukufakelwa. I-XLPE inika ukusebenza okuphezulu xa ithelekiswa ne-polyethylene, ineempawu ezibalaseleyo zokufakelwa umbane, ezibonakaliswa zii-dielectric constants ezincinci (ε) kunye ne-dielectric loss tangent ephantsi (tgδ). Yinto efanelekileyo yokufakelwa umbane ene-frequency ephezulu. I-coefficient yayo yokumelana nomthamo kunye namandla entsimi yokuqhekeka azitshintshi kwaphela emva kweentsuku ezisixhenxe zokuntywiliselwa emanzini. Ngenxa yoko, isetyenziswa kakhulu kwi-cable insulation. Nangona kunjalo, ine-melting point ephantsi. Xa isetyenziswa kwiintambo, iimpazamo zombane ogqithisileyo okanye ze-short-circuit zinokubangela ukunyuka kobushushu, okukhokelela ekuthambekeni nasekuguqukeni kwe-polyethylene, okubangela umonakalo kwi-insulation. Ukuze igcine iingenelo ze-polyethylene, idlula kwi-cross-linking, iphucula ukumelana kwayo nobushushu kunye nokuqhekeka koxinzelelo lokusingqongileyo, okwenza izinto ze-polyethylene ezidityanisiweyo zibe yinto efanelekileyo yokufakelwa umbane.
3. Uyilo lokuQokelela kunye nokuSonga iintambo
Injongo yokubopha nokusonga intambo kukukhusela ubushushu, ukuqinisekisa ukuba intambo iqinile, kunye nokuthintela ubushushu obukhululekileyo kunye nezizalisi, ukuqinisekisa ukuba intambo ijikelezile.ibhande lokusonga elithintela ilangatyeinika iipropati ezithile ezithintela umlilo.
Izinto zokuSonga nokuSonga iintambo: Izinto zokusonga azinawo umlilo omninziilaphu elingalukwangaibhanti, enamandla okutsalwa kunye nesalathisi sokungatshisi ilangatye esingaphantsi kwe-55% yesalathisi seoksijini. Izinto zokuzalisa zisebenzisa iintambo zephepha ezingaphiliyo ezithintela ilangatye (iintambo zeminerali), ezithambileyo, kunye nesalathisi seoksijini esingaphantsi kwe-30%. Iimfuneko zokubopha intambo kunye nokusonga ziquka ukukhetha ububanzi bebhendi yokusonga ngokusekelwe kububanzi obuphambili kunye ne-engile yebhendi, kunye nokugqithana okanye isithuba sokusonga. Icala lokusonga lisetyenziswa ngesandla sasekhohlo. Iibhanti ezithintela ilangatye kakhulu ziyafuneka kwiibhanti ezithintela ilangatye. Ukumelana nobushushu kwezinto zokuzalisa kufuneka kuhambelane nobushushu bokusebenza kwentambo, kwaye ukwakheka kwayo akufuneki kuchaphazeleke kakubiizinto zokufaka isingxobo sokukhusela.Ifanele isuswe ngaphandle kokonakalisa isiseko sokukhusela.
Ixesha lokuthumela: Disemba-12-2023