Izintambo zokulahla isevisi ephezulu yizintambo ezihlinzeka ngezintambo zikagesi ezingaphandle. Ziyindlela entsha yokudlulisa amandla phakathi kwamakhondaktha angaphezulu kanye nezintambo ezingaphansi komhlaba, ezaqala ucwaningo nokuthuthuka ekuqaleni kwawo-1960.
Izintambo zokuwisa isevisi engaphezulu zakhiwe ngongqimba olufakwa ngaphakathi kanye nongqimba oluvikelayo, olufana nenqubo yokukhiqiza yamakhebuli axhumene. Nakuba zingenwa kalula yiziphazamiso zangaphandle futhi zingajabulisi ngobuhle, zisetshenziswa kakhulu ezindaweni lapho kunzima khona ukubeka izintambo ezingaphansi komhlaba ngenxa yokuthembeka kwazo kokuphakelwa kwamandla aphezulu, ukuzinza, nokunakekelwa okufanele.
Siyikhetha kanjani ikhebuli yokudonsa yesevisi ephezulu?
Izinhlobo ezintathu zezintambo zokulahla isevisi ye-aluminium ikhebuli yokudonsa yesevisi eyi-duplex, intambo yokudonsa yesevisi ye-triplex, nentambo yokudonsa yesevisi ye-quadruplex. Zihluka ngokuya ngenani lama-conductor kanye nezicelo ezijwayelekile. Ake sigxile kafushane endimeni ngayinye yalezi.
Izintambo ze-Duplex service drop drops ezinama-conductor amabili zisetshenziswa emigqeni yamandla yesigaba esisodwa kuzinhlelo zokusebenza ezingu-120-volt. Zivame ukusetshenziswa ezinhlelweni zokukhanyisa ngaphandle, kuhlanganise nokukhanyisa emgwaqweni. Ngaphezu kwalokho, zivame ukusetshenziswa ebhizinisini lokwakha ngenkonzo yesikhashana. Iqiniso elijabulisayo- osayizi bamakhebula e-American duplex overhead baqanjwa ngezinhlobo zezinja, okuhlanganisa i-setter, umalusi, ne-chow.
Izintambo zokuwisa isevisi ye-Triplex ezinamakhondatha amathathu zisetshenziselwa ukuthwala amandla ukusuka kolayini bezinsiza kuya kumakhasimende, ikakhulukazi, kukhanda lesimo sezulu. Futhi, izintambo ze-American triplex drop drop service zinendaba ethokozisayo egameni lazo. Ziqanjwe ngezinhlobo zezilwane zasolwandle, njengeminenke, izimbaza nezinkalankala. Amagama ekhebula afaka iPaludina, iValuta, neMinex.
Izintambo zokuwisa isevisi ye-Quadruplex ezinamakhondatha amane aklanyelwe ukuhlinzeka ngezintambo zikagesi ezizigaba ezintathu. Baxhuma ama-transformer kagesi abekwe ngezigxobo, iningi lawo elisezindaweni zasemakhaya, nezinhloko zesevisi zomsebenzisi wokugcina. Amakhebuli angama-quadruplex adlula izidingo ze-NEC aqanjwe ngezinhlobo zamahhashi, njenge-Gelding ne-Appaloosa.
Ukwakhiwa kwe-Aluminium Service Drop Cables
Naphezu kwezinhloso ezihlukene kanye nenani lamakhondatha, zonke izintambo zikagesi ezingaphezulu zinokwakhiwa okufanayo. Abaqhubi balezi zintambo benziwe nge-aluminium alloy 1350-H19,6201-T81 noma i-ACSR.
Zinokufakwa kwe-polyethylene XLPE okuxhumene ngokuphambana okunikeza ukuvikeleka okuhle ezingozini zangaphandle. ikakhulukazi, inokumelana okuhle kakhulu nomswakama, izimo zezulu, kanye nomthelela wamakhemikhali ahlukahlukene. Izinga lokushisa elisebenzayo lamakhebuli e-aluminium angaphezulu ane-XLPE insulation ngu-90 degrees Celsius. Kuyaqabukela, kusetshenziswe ukufakwa kwe-polyethylene esikhundleni sokufakwa kwe-XLPE. Kulokhu, izinga lokushisa lokusebenza liyancipha libe ngu-75degrees, okuyinto okufanele ube nayo engqondweni lapho ucabanga ngephrojekthi yakho kagesi. Isilinganiso sikagesi sazo zonke izintambo zikagesi ezingaphezulu ngama-volts angama-600.
Zonke izintambo zokuwisa isevisi ye-aluminium zine-conductor emaphakathi noma intambo yesithunywa. Umgomo kakhondakta wesithunywa uwukudala indlela engathathi hlangothi ukuze ugesi ubaleke futhi ugweme izingozi, okubalulekile endaweni yekhebula yangaphandle. Izintambo zesigijimi zingenziwa ngezinto ezahlukene, njenge-AAC, ACSR, noma olunye uhlobo lwe-aluminium alloy.
Uma ungathanda ukuthola ukubonisana mayelana nama-conductor okwehlisa isevisi, sicela usithinte.
Isikhathi sokuthumela: Sep-20-2024