Izintambo zokudonsa isevisi engenhla yizintambo ezihlinzeka ngezintambo zikagesi ezingenhla zangaphandle. Ziyindlela entsha yokudlulisa amandla phakathi kwabaqhubi bezintambo ezingenhla kanye nezintambo ezingaphansi komhlaba, ezaqala ucwaningo nentuthuko ekuqaleni kwawo-1960.
Izintambo zokudonsa zesevisi ephezulu zakhiwe ngesendlalelo sokuvikela kanye nesendlalelo esivikelayo, esifana nenqubo yokukhiqiza izintambo ezixhumene. Nakuba zisengozini enkulu yokuphazamiseka kwangaphandle futhi azijabulisi ngobuhle, zisetshenziswa kabanzi ezindaweni lapho kunzima khona ukubeka izintambo ngaphansi komhlaba ngenxa yokuthembeka kwazo okuphezulu kokunikezwa kwamandla, ukuzinza, kanye nokugcinwa okulula.
Sikhetha kanjani ikhebula lokudonsa isevisi ephezulu?
Izinhlobo ezintathu zezintambo ze-aluminium service drop ziyikhebula le-duplex service drop, ikhebula le-triplex service drop, kanye nekhebula le-quadruplex service drop. Ziyahlukahluka ngokuya ngenani lama-conductor kanye nezinhlelo zokusebenza ezivamile. Ake sigxile kafushane endimeni ngayinye yalezi.
Izintambo zokudonsa zesevisi ye-duplex ezinezikhombisi ezimbili zisetshenziswa emigqeni kagesi yesigaba esisodwa yezinhlelo zokusebenza ze-120-volt. Zivame ukusetshenziswa ezinhlelweni zokukhanyisa ngaphandle, okuhlanganisa nokukhanyisa emgwaqweni. Ngaphezu kwalokho, zivame ukusetshenziswa ebhizinisini lokwakha ukuze zisebenze okwesikhashana. Iqiniso elijabulisayo - Osayizi bezintambo ze-duplex zaseMelika baqanjwa ngezinhlobo zezinja, okuhlanganisa i-setter, i-shepherd, kanye ne-chow.
Izintambo zokudonsa zesevisi ye-Triplex ezinama-conductor amathathu zisetshenziselwa ukuthwala ugesi kusuka ezintanjeni zikagesi kuya kumakhasimende, ikakhulukazi, kuya enhlokweni yesimo sezulu. Futhi, izintambo zokudonsa zesevisi ye-triplex zaseMelika zinendaba ethakazelisayo egama lazo. Ziqanjwe ngezinhlobo zezilwane zasolwandle, njengeminenke, ama-clam, kanye nezinkalankala. Amagama ezintambo afaka phakathi i-Paludina, i-Valuta, kanye ne-Minex.
Izintambo zokudonsa zesevisi ze-Quadruplex ezinezikhombisi ezine zenzelwe ukuhlinzeka ngezintambo zikagesi zezigaba ezintathu. Zixhumanisa ama-transformer kagesi afakwe ezigxotsheni, ikakhulukazi atholakala ezindaweni zasemakhaya, nezinhloko zesevisi zomsebenzisi wokugcina. Izintambo ze-Quadruplex ezidlula izidingo ze-NEC ziqanjwe ngezinhlobo zamahhashi, njenge-Gelding ne-Appaloosa.
Ukwakhiwa Kwezintambo Zokulahla Izinsizakalo Ze-Aluminium
Naphezu kwezinhloso ezahlukene kanye nenani lama-conductor, zonke izintambo zikagesi ezisebenza ngaphezulu zinokwakhiwa okufanayo. Ama-conductor alezi zintambo enziwe nge-aluminium alloy 1350-H19,6201-T81 noma i-ACSR.
Bane-insulation ye-polyethylene XLPE exhumene ne-cross-linked enikeza isivikelo esikhulu ezingozini zangaphandle. ikakhulukazi, inokumelana okuhle kakhulu nomswakama, izimo zezulu, kanye nomthelela wamakhemikhali ahlukahlukene. Izinga lokushisa lokusebenza kwezintambo ze-aluminium eziphezu kwendlu ezine-insulation ye-XLPE lingu-90 degrees Celsius. Akuvamile, i-insulation ye-polyethylene ingasetshenziswa esikhundleni se-insulation ye-XLPE. Kulesi simo, izinga lokushisa lokusebenza lehliswa libe ngu-75 degrees, okuyinto okufanele uyikhumbule lapho ucabanga ngephrojekthi yakho kagesi. Isilinganiso se-voltage sazo zonke izintambo zikagesi eziphezu kwendlu singama-volt angu-600.
Zonke izintambo zesevisi ye-aluminium zine-conductor engathathi hlangothi noma i-messenger wire. Umgomo womqhubi we-messenger ukudala indlela engathathi hlangothi ukuze ugesi ubalekele futhi ugweme izingozi, okuyinto ebalulekile endaweni yokuxhuma izintambo zangaphandle. Izintambo ze-Messenger zingenziwa ngezinto ezahlukene, njenge-AAC, i-ACSR, noma olunye uhlobo lwe-aluminium alloy.
Uma ungathanda ukuthola iseluleko mayelana nabaqhubi bezinsizakalo zokulahla, sicela uxhumane nathi.
Isikhathi sokuthunyelwe: Septhemba-20-2024