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"N'ime afọ 40 kemgbe 1980s, anyị anọwo n'okpuru nchịkwa mba ọzọ ogologo oge n'ihe gbasara isi akụrụngwa na teknụzụ isi nke DC.nnyefe ike.Taa, anyị mechara merie n'ọgụ a na-atụgharị, na-eji eriri UHV na-agbanwe agbanwe nke ndị China n'onwe ha mere.Kpamkpam site na mkpuchi mgbidi!”Na June 11, e zigara Liuzhou Ntụgharị ọdụ nke Guangdong-Guangxi UHV Multi-terminal Flexible DC Demonstration Project (nke a na-akpọ ya "Kunliulong DC Project") na ọdụ ọkụ Wudongde.Ejiri ± 800kV na-agbanwe kwụ ọtọ site na mkpuchi mgbidi arụ ọrụ nke ọma ma rụọ ọrụ nke ọma.Osote onye isi njikwa nke Liuzhou Bureau nke Ụlọ ọrụ UHV nwere mmetụta siri ike na mpako.

Ịrụ ọrụ nke ọma nke ngwá ọrụ a pụtara na obodo m agbajiwo kpamkpam site na mgbochi teknụzụ nke mba ndị ọzọ na akụkụ nke UHV na-agbanwe DC mgbidi bushing, ma nweta ọganihu nkà na ụzụ site na ọkọ.Nke a nwere ike ọ bụghị naanị melite onwe na njikwa larịị nke isi okporo nke West-na-East ike nnyefe, ma na-egosikwa na mba m enwetawo ọhụrụ isi phased rụzuru na nyocha na mmepe nke nnukwu-ọnụ ọgụgụ elu-ọgwụgwụ ike akụrụngwa, nke dị ezigbo mkpa maka ịkwọ ụgbọala ụlọ ọrụ mmepụta ihe na nkà na ụzụ na-edozi isi nkà na ụzụ "rapaara olu".Mgbagwoju anya dị mkpa.

Dị ka isi akụrụngwa na ọrụ UHV, DC mgbidi bushes na-agbanwe bụ naanị ọwa n'etiti valvụ ọnụ ụlọ na DC ubi nke UHV ntụgharị ọdụ."Mgbanwe nke DC site na mgbidi mgbidi bụ 'akpịrị' nke usoro mgbasa ozi DC na ọ bụ naanị ọwa maka DC ugbu a ịbanye ma pụọ ​​​​na ọnụ ụlọ valve.Ọ nweghị ike ịrụ ọrụ nke ọma."Chen Huan, osote onye isi njikwa nke ngalaba ọhụrụ na dijitalụ nke ụlọ ọrụ ultra-high voltaji kwuru.

Otú ọ dị, isi teknụzụ bụ isi nke DC site-wall bushings bụ mgbe niile n'aka ole na ole si mba ọzọ emepụta.obodo m adaberewo ogologo oge na mbubata mba ọzọ na enweghị ikike ikwu okwu na ọnụahịa ahụ.Ọnụ ahịa mbubata nke otu ngwa dị elu ruru iri nde yuan.Ọ bụghị naanị nke ahụ, ọ bụrụ na akụrụngwa dara ada nke ukwuu, ọ nwere ike ịlaghachi na ndị nrụpụta mba ọzọ maka mmezi.Oge mmezi na okirikiri adịghị mfe ịchọpụta, ọrụ ahụ dịkwa oke.

Naanị site n'ịkwụsi ike na ihe ọhụrụ na ịmara na nkà na ụzụ na-adabere na onwe ya na imeziwanye onwe ya, anyị enweghị ike ịchịkwa ndị ọzọ.Site na 100% ndabere na mbubata nke Tianguang DC oru ngo, na ụwa mbụ UHV kwụụrụ onwe ngosi oru ngo - Yunguang DC oru ngo, na mgbe ahụ na ụwa mbụ ± 800kV multi-terminal mgbanwe UHV nnyefe oru ngo, China Southern Power Grid ka nọgidere na-akwalite na Ndabere onwe nke teknụzụ mgbasa ozi DC, na-eduga UHV n'ime oge ọhụrụ nke DC na-agbanwe agbanwe, ma na-aga n'ihu nzọụkwụ site na nzọụkwụ maka ịdabere na onwe na nkwalite onwe onye na nkà na ụzụ.

Na mmalite nke Kunliulong DC oru ngo, iji dozie nsogbu "rapaara olu" nke ụlọ DCteknụzụ nnyefe, Nchọpụta onwe onye na mmepe nke mgbanwe ogologo-site na mgbidi bushes etinyere na ebumnuche nke China Southern Power Grid Corporation.Ihe mgbaru ọsọ bụ ọ bụghị nanị na-aghọta localization nke bushes, kamakwa Ọ nwere mma arụmọrụ karịa ibubata ngwaahịa, na-aghọta na itu elu si "na-eso" ka "ndú" nke isi DC akụrụngwa.Iji mezuo nke a, China Southern Power Grid Corporation butere ụzọ n'ịhazi akụrụngwa-ụlọ ọrụ mahadum-nyocha akụrụngwa, họrọ 27 teknụzụ backbones, wee guzobe ihe ọhụrụ consortium na China Xidian Group na Xi'an Jiaotong University.Dị ka nkwonkwo nyocha na mmepe unit nke akụrụngwa, China XD Group emeriwo ọtụtụ isi teknụzụ dị ka usoro njikwa nke nnukwu-dayameta nrapado-impregnated akwụkwọ capacitor cores, casing imewe n'okpuru omume nke eletriki, thermal, na n'ibu ubi, n'ịhụ na ire ụtọ. ọganihu nke isi ọrụ..

Mgbe ọnwa 14 nke nyocha na-aga n'ihu, ndị otu R&D nkwonkwo mechara mechaa nyocha onwe ha na mmepe nke usoro izizi nke na-agbanwe kwụ ọtọ site na mgbidi bushes, wee gafee nyocha ahụ nke ọma.

“E jiri ya tụnyere ụdị ahịhịa ndị a na-ebubata, ikike ibu anyị ugbu a abawanyela site na 10%, oke mkpuchi abawanyela site na 9%, ike igwe abawanyela site na 50%.Ihe ngosi ndị bụ isi dị mma karịa akụrụngwa ebubatara yiri nke ahụ.”Dị ka teknuzu ọkachamara nke R&D oru ngo otu, na ± 800kV mgbanwe DC mgbidi bushing kpụrụ ọgaranya teknuzu na ọgụgụ isi rụzuru, na ịzụlite 24 isi patent.

Transformer types and characteristics


Oge nzipu: Feb-11-2022