1. ingcamango yothumelo (ugqithiso) imigca
Iintambo zothumelo (zothumelo) ziqhagamshelwe kwiziko lombane kunye nesikhululo (i-ofisi) sothumelo lweentambo zombane.
2. inqanaba lombane lemigca yokuhambisa
Ezasekhaya: 35kV, 66kV, 110kV, 220kV, 330kV, 500kV, 750kV, ± 80okV.1000kV.
Iphondo: 35kV, 110kV, 220kV, 500kV, ±8ookV
3. Ukuhlelwa kweentambo zothumelo
(1) ngokohlobo lwangoku lothumelo: Imigca yothumelo ye-AC, iilayini zothumelo lwe-DC.
(2) ngokwesakhiwo: imigca yokuhambisa ngaphezulu, iintambo zentambo.
Ukuqulunqwa kwamacandelo aphambili omgca wokuhambisa ngaphezulu: umqhubi, umbane wombane (obizwa ngokuba ngumgca wombane)
Ukufakelwa, ii-insulators, iinqaba, iingcingo kunye neziseko, izixhobo zokumisa.
Inqaba yomgca ophezulu ngokuqhelekileyo isekelwe kwizinto zayo, ukusetyenziswa, inani le-conductor circuit, ifom yesakhiwo kunye nokunye.
4. Ukuhlelwa
(1) Ngokokwahlulwa kwezinto eziphathekayo: izibonda zekhonkrithi eziqinisiweyo, izibonda zentsimbi, inqaba yensimbi ye-angle, inqaba yensimbi.
(2) Ngokusetyenziswa kokuhlelwa: i-linear (i-pole) inqaba, i-tension-resistant (i-pole) inqaba, i-divergent (ipali) inqaba, umgca othe ngqo, ikona encinci (i-pole) inqaba.Inqaba encinci yekona (ipali), ngaphesheya (ipali) inqaba.
(3) Ngokwenani leesekethe eziza kuhlulwa: isekethe enye, isekethe ephindwe kabini, iisekethe ezintathu, iisekethe ezine, iisekethe ezininzi.
(4) Ukwahlula kwifom yesakhiwo: inqaba ye-tie-line, inqaba yokuzimela, inqaba yensimbi yokuzimela.
5. Iingxaki zeentambo zothumelo lwesekethe enye.
Kwiindawo eziphuhliswe ngokwezoqoqosho kunye neendawo ezinabantu abaninzi, imithombo yomhlaba inqabile kakhulu, kuphela ukwakhiwa komzila omnye wothumelo.
Ukwakhiwa kweentambo zothumelo lwesekethe enye akusakwazi ukuhlangabezana nemfuno yombane.
Iintambo ezininzi zokujika kunye nenqaba enye yindlela esebenzayo yokuphucula amandla okuhanjiswa kwe-corridor yomgca, ongenako ukwandisa umthamo wokuhambisa kwiyunithi yendawo yomgca, kodwa ukwandisa umthamo womgca.
Indawo yeyunithi yendlela yomthamo wothumelo, ukwandisa ukunikezelwa kwamandla, kodwa nokunciphisa iindleko zizonke.
EJamani, urhulumente umisela ukuba yonke imigca emitsha kufuneka yakhiwe kwinqaba enye ngaphezulu kwamaxesha amabini.Kwi-high-voltage ultra-high-voltage line
Indlela, kwinqaba efanayo amaxesha amane kwimigca eqhelekileyo, ukuya kumaxesha amathandathu.Ukusukela ngo-1986, inqaba efanayo kunye nesakhelo esine-multi-return compact line ubude bumalunga neemitha ezingama-2,000.
Ukusukela ngo-1986, ubude bubonke bemigca ejikeneyo emininzi enenqaba efanayo yayimalunga ne-27,000km, kwaye kukho iminyaka engaphezu kwama-50 yamava okusebenza.
EJapan, uninzi lwemizila ye-110 kV nangaphezulu ziisekethe ezine ezinenqaba efanayo, kwaye iilayini ze-500 kV zizo zonke iisekethe ezilodwa ezinenqaba efanayo, ngaphandle kwezimbini zokuqala.
Imigca ye-500kV, ngaphandle kweentambo ezimbini zesekethi enye kwiintsuku zokuqala, zonke zizijikelezo eziphindwe kabini kwinqaba enye.Okwangoku, inani eliphezulu leesekethe kwinqaba enye eJapan zisibhozo.
Kwiminyaka yakutshanje, kunye nolwakhiwo olukhawulezileyo lweegridi zamandla, i-Guangdong kunye neminye imimandla kunye ne-tower efanayo yesicelo se-multi-circuit nayo ihambelana kwaye ngokuthe ngcembe iye yaba buchwephesha obuqolileyo.
Ixesha lokuposa: May-23-2024
