UHV nke China ga-etolite ụkpụrụ netwọkụ kwụ ọtọ, atọ kwụ ọtọ na otu mgbanaka

Na August 12, State Grid Corporation mara ọkwa na Jindongnan - Nanyang - Jingmen UHV AC pilot na ngosi ọrụ agafeela ule nnabata mba - nke pụtara UHV anọghịkwa na "ule" na "ngosi" nkebi.Igwe ọkụ ọkụ China ga-abanye n'oge “ultra-high voltaji”, a na-atụkwa anya na a ga-eme ngwa ngwa nkwado na iwu nke ọrụ ndị na-esote.

Dị ka UHV ọrụ owuwu atụmatụ kpughere site State Grid Corporation n'otu ụbọchị, na 2015, "Three Huas" (North, East na Central China) UHV ike grid ga-wuru, na-akpụ a "atọ vetikal, atọ kehoraizin na otu mgbanaka netwọk", na 11 UHV kpọmkwem ọrụ nnyefe ugbu a ga-agwụ agwụ.Dị ka atụmatụ ahụ si kwuo, ntinye ego UHV ga-eru ijeri yuan 270 n'ime afọ ise na-esote, ndị nyocha kwuru.

A ọnụ ọgụgụ nke mba na-eduga teknuzu ụkpụrụ

Na Jenụwarị 6, 2009, etinyere 1000 kV Jindong-Nanyang Jingmen UHV AC nnwale ngosi n'ọrụ azụmahịa.Ọrụ a bụ ọkwa voltaji kachasị elu n'ụwa, ọkwa teknụzụ kachasị elu yana ọrụ nnyefe ike nkwukọrịta nwere ikike ikike ọgụgụ isi zuru oke.Ọ bụkwa ọrụ mmalite na ọrụ mbufe ikuku ultra-high nke mbụ wuru ma tinye n'ọrụ na mba anyị.

Dị ka onye kwesịrị ekwesị na-ahụ maka State Grid Corporation si kwuo, 90% nke akụrụngwa nke ọrụ ahụ bụ nke a na-emepụta n'ime ụlọ, nke pụtara na China ejirila nkà na ụzụ isi nke mgbasa ozi UHV AC ma nwee ikike nke mmepụta nke UHV AC akụrụngwa. .

Na mgbakwunye, site na omume oru ngo a, State Grid Corporation enyochala ma tụpụta usoro ọkọlọtọ nnyefe teknụzụ UHV AC nke nwere ụkpụrụ 77 na edemede 7 maka oge mbụ n'ụwa.E degharịala otu ọkọlọtọ mba, enyela ụkpụrụ mba iri na ise na ụkpụrụ ụlọ ọrụ iri asaa na atọ, yana anabatala ikike ikike 431 (237 ka enyere ikike).China eguzobela ọnọdụ na-eduga mba ụwa n'ọhịa nke nyocha teknụzụ mgbasa ozi UHV, nrụpụta akụrụngwa, imepụta injinia, ihe owuwu na ọrụ.

Otu afọ na ọkara ka arụ ọrụ nke ọma nke ọrụ ngosi mgbasa ozi UHV AC gasịrị, arụ ọrụ ngosi ngosi Xiangjiaba-Shanghai ± 800 kV UHV DC na-arụ ọrụ na July 8 nke afọ a.Ka ọ dị ugbu a, mba anyị na-amalite ịbanye n'oge ngwakọ nke ultra-high voltaji AC na DC, na ọrụ nkwadebe maka owuwu nke grid ultra-high voltaji dị njikere.

"Atọ vetikal, atọ kehoraizin na otu netwọk mgbanaka" ga-emezu.

Onye nta akụkọ na-aghọta site na steeti grid corporation, ụlọ ọrụ nke uhv "iri na abụọ nke afọ ise" atụmatụ a "atọ vetikal na atọ kehoraizin na otu mgbanaka" na-ezo aka si XiMeng, osisi, Zhang Bei, north shaanxi ike isi site na atọ longitudinal uhv. ac ọwa na "China atọ" ma ugwu kol, Southwest mmiri na ọkụ eletrik site atọ transverse uhv ac ọwa n'ebe ugwu China, Central China na Yangtze osimiri delta uhv mgbanaka netwọk nnyefe."Atọ kehoraizin" bụ Mengxi - Weifang, Jinzhong - Xuzhou, Ya 'an - Southern Anhui atọ kehoraizin nnyefe ọwa;"Otu netwọk mgbanaka" bụ Huainan - Nanjing - Taizhou - Suzhou - Shanghai - North Zhejiang - South Anhui - Huainan Yangtze River Delta UHV abụọ mgbanaka netwọk.

Ihe mgbaru ọsọ nke State Grid Corporation bụ iji wuo grid siri ike na "Sanhua" UHV synchronous power grid dị ka etiti, Northeast UHV power grid na Northwest 750kV ike grid dị ka njedebe nnyefe, na-ejikọta isi coal ike bases, nnukwu hydropower bases, nnukwu. ntọala ike nuklia na nnukwu ntọala ike mmeghari ohuru, yana ịhazi mmepe nke grid ike na ọkwa niile site na 2020.

N'okpuru atụmatụ a, ntinye ego UHV ga-eru ijeri yuan 270 n'ime afọ ise na-abịa, ndị nyocha kwuru.Nke a bụ mmụba okpukpu iri na atọ karịa ijeri yuan 20 etinyere n'ime oge atụmatụ afọ ise nke iri na otu.Oge atụmatụ afọ ise nke iri na abụọ ga-abụ akụkụ dị mkpa nke mmepe ọkụ ọkụ UHV nke China.

Ike nnyefe siri ike iji wuo grid smart siri ike

Owuwu nke UHV AC-DC ike grid bụ akụkụ dị mkpa nke njikọ nnyefe nke grid smart siri ike, yana akụkụ dị mkpa nke iwu grid siri ike.Ọ dị oke mkpa ịkwalite owuwu nke grid smart siri ike.

A na-eme atụmatụ na ka ọ na-erule 2020, ọdụ ụgbọ mmiri nke ọdịda anyanwụ na-ezube iziga 234 nde kW nke ike coal na mpaghara etiti na ọwụwa anyanwụ, nke a ga-eziga nde 197 kW site na UHV AC-DC grid.A na-ebufe ike coal nke Shanxi na ugwu Shaanxi site na UHV AC, a na-ebuga ike coal Mengxi, Ximeng na Ningdong site na ngwakọ UHV AC-DC, a na-ebufekwa ike Xinjiang na Eastern Mongolia ozugbo na grid ike nke " North China, East China na Central China" site na UHV.

Na mgbakwunye na ike kol ọdịnala, UHV ga-arụkwa ọrụ nke nnyefe ike mmiri.N'otu oge ahụ, a na-ebunye ike ikuku site na ọwa mgbasa ozi mpụga nke isi ike coal ma na-ebufe ya na "Sanhua" ike grid site na ifufe na ọkụ bundling, nke nwere ike na-aghọta absorption nke ifufe ike na a wider nso n'ime. ọdịda anyanwụ ma kwalite nnukwu mmepe na itinye n'ọrụ nke ike ikuku na ume ọhụrụ ndị ọzọ.


Oge nzipu: Ọgọst-20-2022