Iintambo zokuwisa inkonzo engaphezulu ziintambo ezibonelela ngeentambo zombane ngaphandle. Ziyindlela entsha yokuhambisa amandla phakathi kwabaqhubi abaphezulu kunye neentambo ezingaphantsi komhlaba, ezaqala uphando kunye nophuhliso ekuqaleni kweminyaka yee-1960.
Iintambo ze-Overhead drop drop cables zenziwe nge-insulation layer kunye ne-protection layer, efana nenkqubo yokuvelisa i-cross-linked cables. Nangona zichaphazeleka ngakumbi kukuphazamiseka kwangaphandle kwaye azikho buhle, zisetyenziswa ngokubanzi kwiindawo apho kunzima ukubeka iintambo eziphantsi komhlaba ngenxa yokuthembeka kwazo okuphezulu kombane, ukuzinza, kunye nokugcinwa ngokufanelekileyo.
Sikhetha njani intambo yenkonzo ephezulu?
Iintlobo ezintathu zeentambo zokuwisa inkonzo ye-aluminiyam yintambo yokulahla yenkonzo eyi-duplex, intambo yokulahla yenkonzo ye-triplex, kunye nentambo yokuwisa yenkonzo ye-quadruplex. Ziyahluka ngokwenani labaqhubi kunye nezicelo eziqhelekileyo. Makhe siqwalasele ngokufutshane indima nganye kwezi.
Iintambo zokulahla inkonzo ye-Duplex kunye nabaqhubi ababini basetyenziswa kwiintambo zamandla zesigaba esisodwa kwi-120-volt izicelo. Zihlala zisetyenziswa kwiinkqubo zokukhanyisa ngaphandle, kubandakanywa ukukhanya kwesitalato. Ngaphezu koko, zidla ngokusetyenziswa kwishishini lokwakha ngenkonzo yexeshana. Inyani eyonwabileyo- ubungakanani bekheyibhile baseMelika be-duplex bathiywa ngeentlobo zezinja, kubandakanya i-setter, umalusi, kunye ne-chow.
Iintambo zenkonzo ye-Triplex ezilahlayo ezinee-conductor ezintathu zisetyenziselwa ukuthwala amandla ukusuka kwiintambo zoncedo ukuya kubathengi, ngakumbi, kwintloko yemozulu. Kwakhona, iintambo zenkonzo ye-triplex zaseMelika zinebali elinomdla kwigama labo. Bathiywa ngeentlobo zezilwanyana zaselwandle, njengeenkumba, iiclams, noononkala. Amagama ekhebula aquka iPaludina, iValuta, kunye neMinex.
Iintambo zenkonzo ezine-quadruplex ezinee-conductors ezine ziyilelwe ukunika izigaba ezithathu zeentambo zombane. Badibanisa ii-pole-mounted transformers zombane, ezihlala kwiindawo ezisemaphandleni, kunye neentloko zenkonzo yomsebenzisi wokugqibela. Iintambo ezineentambo ezine-quadruplex ezigqithisa iimfuno ze-NEC zithiywa ngeentlobo zamahashe, ezifana neGelding kunye ne-Appaloosa.
Ukwakhiwa kweAluminiyam yeNkonzo yokulahla iiCables
Ngaphandle kweenjongo ezahlukeneyo kunye nenani labaqhubi, zonke iingcingo zenkonzo yombane zinolwakhiwo olufanayo. Abaqhubi bezi ntambo zenziwe nge-aluminium alloy 1350-H19,6201-T81 okanye i-ACSR.
Zine-cross-linked polyethylene XLPE insulation enika ukhuseleko olukhulu kwiingozi zangaphandle. ngokukodwa, inokumelana okugqwesileyo kokufuma, iimeko zemozulu, kunye neempembelelo zeekhemikhali ezahlukeneyo. Ubushushu bokusebenza kweentambo ze-aluminiyam ngaphezulu kunye ne-XLPE yokugquma yi-90 degrees Celsius. Ngokunqabileyo, ukufakwa kwe-polyethylene kunokufakwa endaweni ye-XLPE yokufakelwa. Kule meko, ubushushu bokusebenza buncitshiswe ukuya kuma-75degrees, into ekufuneka uyikhumbule xa ucinga ngeprojekthi yakho yombane. Umlinganiselo wamandla ombane kuzo zonke iingcingo zenkonzo yombane ongaphezulu ngama-600 volts.
Zonke iintambo zenkonzo ye-aluminiyam zinomqhubi ongathathi hlangothi okanye ucingo lomthunywa. Injongo yomqhubi wesithunywa kukudala indlela engathathi hlangothi ukuze umbane ubaleke kwaye uphephe iingozi, nto leyo ibalulekileyo kwimekobume yekhebula yangaphandle. Iingcingo zoMthunywa zingenziwa ngezinto ezahlukeneyo, ezifana ne-AAC, ACSR, okanye olunye uhlobo lwe-aluminium alloy.
Ukuba ungathanda ukufumana udliwano-ndlebe malunga neeconductors zokuyeka inkonzo, nceda uqhagamshelane nathi.
Ixesha lokuposa: Sep-20-2024