Emva kwemvula enkulu, isekethe yombane ebalulekileyo kwinkqubo yesitimela esingaphantsi komhlaba yesixeko ayizange isebenze. Xa kuhlolwa intambo, izakhiwo ezibalulekileyo zemithi yamanzi zabonwa kwi-insulation ye-XLPE, kwaye ukugqwala kwabonakala kumphezulu we-copper conductor. Ukufuma kwakungene kwintambo ngemiphetho, amalungu, okanye isheya eyonakeleyo, nto leyo eyabangela ukuwohloka kwe-insulation kunye nokugqwala kwe-conductor, okuchaphazela kakhulu ukuthembeka kwexesha elide kwentambo.
Ukungena kwamanzi
Ukufuma kungangena kwintambo ngokusebenzisa iziphelo okanye amajoyinti angavalwanga kakuhle, umonakalo woomatshini okanye imingxunya yokuguga kwisixhobo seshedi, i-hygroscopicity ephezulu ye-insulation engavimbi manzi okanye izinto zeshedi, kunye nokufuma okuseleyo ngaphakathi kwe-insulation okanye iileya zokukhusela kwinkqubo yokwenziwa. Kwiintambo ze-voltage eziphakathi neziphezulu, ukungena kwamanzi kukhokelela ekwakhekeni kwemithi yamanzi ngaphakathi kwe-insulation ye-XLPE, enokuthi ikhule ibe yimithi yombane phantsi kwamasimi ombane aphezulu, ekugqibeleni ibangele ukuphazamiseka kwe-insulation. Ukufuma kunokukonakalisa ii-copper okanye ii-aluminium conductors, kwandise ukumelana nokuqhagamshelana, kubangele ubushushu obuphezulu bendawo, kunciphise ukumelana ne-insulation, kwandise ukuvuza komsinga, kubangele iimpazamo zokumisa umhlaba kwiimeko ezinzima, kwaye kukhawulezise ukuguga kwezixhobo ze-insulation kunye neshedi, kufinyeze ubomi benkonzo yekheyibhile.
Inkqubo yoKhuselo loBumanzi
Iintambo zanamhlanje eziphakathi nezisezantsi ze-voltage zixhomekeke kwizixhobo zekhebula ezisebenzayo kakhulu ukwenza iinkqubo zokuthintela amanzi ezijikelezayo nezinde. Ukuthintela amanzi okujikelezayo kusebenzisa iishelufu ze-lead, iishelufu ze-aluminium ezihlanganisiweyo eziwelsiweyo, iishelufu ze-copper, okanye iteyiphu ye-aluminium-plastic composite (AL/PET) enezakhiwo ze-PE zangaphandle, ezibonelela ngokhuseleko loomatshini kunye nokumelana nokufuma kwe-radial. Ukuthintela amanzi okude kusebenzisa iitheyiphu ezinokudumba kwamanzi,imisonto ethintela amanzikunye neepaste ezijikelezileyo kwii-cores zekhebula, kunye neempuphu okanye iitheyiphu ezithintela amanzi ezisekelwe kwi-superabsorbent polymer (SAP) ezibekwe phakathi kwee-conductors kunye nee-cores zekhebula. Ezi zinto ziyanda xa zidibana namanzi ukuze zenze umqobo womzimba, zithintele ngokufanelekileyo ukufuduka komswakama kwaye zibonelela ngokhuseleko lwesibini lwe-XLPE insulation kunye nezinto ze-LSZH sheath.
Ulwakhiwo lweCable olumelana nokufuma
Intambo eqhelekileyo yokuthintela amanzi ene-voltage ephakathi ibandakanya ii-copper okanye i-aluminium stranded conductors, ii-semiconductive extruded shielding layers, i-XLPE insulation, i-longitudinal water-blocking layer (iteyiphu yokuvala amanzi/uboya phambi kwesikrini sesinyithi), isikrini sesinyithi, iteyiphu edityanisiweyo ye-aluminium-plastiki edityanisiweyo njenge-sheath yangaphandle, kunye nezixhobo ze-HDPE okanye ze-polyolefin sheath ezithintela ilangatye. Olu lwakhiwo lubonelela ngenkqubo epheleleyo yokukhusela ukufuma kwe-radial kunye ne-longitudinal. Uzinzo kunye nokusebenza kwesixhobo ngasinye sekhebula kumisela ngokuthe ngqo ukhuseleko kunye nobomi benkonzo yekhebula kwiindawo ezintsonkothileyo.
Ukufakelwa kunye nokugcinwa
Ukhuseleko olusebenzayo lokufuma luxhomekeke ekufakweni nasekugcinweni okufanelekileyo. Ukuvalwa kunye namajoyinti kufuneka kusetyenziswe izixhobo zokutywina ezihambelanayo nezisemgangathweni ophezulu ezifana nezitywina zobushushu, ezibandayo, okanye ze-epoxy ukuqinisekisa ukutywinwa okuthembekileyo. Ngexesha lokufakwa, isigqubuthelo kufuneka sikhuselwe kumonakalo woomatshini, kwaye amandla angaphandle kufuneka aphetshwe ngexesha lokusebenza. Ukulinganisa rhoqo ukumelana nokufutha kubalulekile ukujonga imeko yokufuma kwi-XLPE insulation kunye nezixhobo ze-LSZH sheath. Iinkqubo zekhebula zanamhlanje zinokubandakanya izixhobo zokujonga i-sheath current ukubonelela ngezilumkiso zexesha langempela zokungena kokufuma.
Iiteyiphu zokuvala amanzi ezisebenza kakuhle, iintambo/iipeyisti ezivala amanzi, izixhobo zesheya ezikumgangatho ophezulu, uyilo olufanelekileyo lwesakhiwo, kunye nokufakelwa okusemgangathweni zizinto ezibalulekileyo ekuqinisekiseni ukuthembeka kwentambo ixesha elide. Njengomthengisi wezixhobo zentambo oqeqeshiweyo, i-ONE WORLD ibonelela nge-insulation ye-XLPE ekumgangatho ophezulu, izixhobo zesheya ze-LSZH, iiteyiphu zokuvala amanzi, iintambo/iipeyisti ezivala amanzi, kunye neeteyiphu ze-aluminium-plastic composite, ezisetyenziswa kakhulu kwiintambo zamandla, iintambo zonxibelelwano, kunye neentambo zokuvala amanzi ezisebenzisa umbane ophakathi nophantsi, ukunceda abathengi ukuba baphucule ukumelana nokufuma kwentambo kunye nokuthembeka kwexesha elide.
Ixesha leposi: Feb-28-2026