Kusukela ekubukeni kwezobuchwepheshe, ukwamukela ukudluliswa kwe-± 800 kV UHV DC, indawo ephakathi komugqa ayidingi ukulahla iphuzu, elingathumela inani elikhulu lamandla ngqo esikhungweni esikhulu somthwalo; esimweni sokudluliswa okuhambisanayo kwe-AC/DC, ingasebenzisa i-modulation yamazwe amabili ukuze ivimbele ngokuphumelelayo i-oscillation yesifunda ye-low-frequency, futhi ithuthukise umkhawulo wokuzinza kwesikhashana (okuguquguqukayo) kwesigaba esiphambene; futhi sixazulule inkinga yokweqa i-short-circuit current yokwamukela okukhulu kwegridi yamandla. Ukwamukela ukudluliswa kwe-AC engu-1000kV, indawo ephakathi ingawiswa ngokusebenza kwegridi; ukuqinisa igridi ukuze kusekelwe ukudluliswa kwamandla amakhulu e-DC; ngokuyisisekelo ukuxazulula izinkinga zamandla wesekethe emfishane edlula izinga legridi yokugcina eyamukelayo kanye namandla aphansi okudluliswa kwelayini angu-500kV, nokuthuthukisa ukwakheka kwegridi yamandla.
Mayelana nomthamo wokudlulisa nokusebenza kokuqina, kusetshenziswa ukudluliselwa kwe-±800 kV UHV DC, ukuzinza kokudlulisela kuncike esilinganisweni esisebenzayo sesifunda esifushane (ESCR) kanye ne-inertia engaguquki esebenzayo (Hdc) yegridi ekugcineni kokwamukela, kanye nesakhiwo segridi ekugcineni kokuthumela. Ukwamukela ukudluliswa kwe-1000 kV AC, umthamo wokudlulisela uncike kumthamo wesiyingi esifushane sephuzu ngalinye lokusekela lolayini kanye nebanga lomugqa wokudlulisela (ibanga phakathi kwamaphoyinti okudonsa eziteshini ezimbili eziseduze); ukuzinza kokudlulisela (umthamo wokuvumelanisa) kuncike kubukhulu be-engeli yamandla endaweni yokusebenza (umehluko phakathi kwama-engeli wamandla emikhawulweni emibili yomugqa).
Ngokombono wezindaba ezibalulekile zobuchwepheshe ezidinga ukunakwa, ukusetshenziswa kokudluliswa kwe-±800 kV UHV DC kufanele kugxile ebhalansi yamandla asebenzayo amile kanye nesipele samandla aguqukayo aguqukayo kanye nokuzinza kwe-voltage ekugcineni kokwamukela kwegridi, futhi kufanele kugxile ezindabeni zokuphepha kwamandla kagesi wesistimu okubangelwa ukwehluleka ngesikhathi esisodwa ukushintsha kwesigaba ohlelweni lokuphakelayo lwe-DC olunamaconsi amaningi. Ukusetshenziswa kwe-1000 kV AC transmission kufanele kunake ukulungiswa kwesigaba sohlelo lwe-AC kanye nezinkinga zokulawulwa kwamandla kagesi uma imodi yokusebenza ishintshwa; ukunaka izinkinga ezinjengokudluliselwa kwamandla aphezulu ezigabeni ezibuthakathaka ngokuqhathaniswa ngaphansi kwezimo zephutha elibi; kanye nokunaka izingozi ezicashile zezingozi zokucinywa kukagesi ezindaweni ezinkulu kanye nezinyathelo zazo zokuzivikela.
Isikhathi sokuthumela: Oct-16-2023