Ọdụ ike mmiri nke a na-etinye n'ime ọkpọkọ bụ teknụzụ kachasị eji eme ihe ma bụrụkwa nke tozuru oke na nnukwu ebe nchekwa ike, ikike etinyere n'ime ọdụ ike ahụ nwekwara ike iru ọkwa gigawatt. Ugbu a, ọdụ ike nchekwa a na-etinye n'ime ọkpọkọ nwere oke mmepe kachasị elu n'ụwa.
Ọdụ ike mmiri nchekwa nke a na-akpọ "pumped hydropower" nwere teknụzụ tozuru okè ma kwụsie ike, ọ na-enyekwa uru dị ukwuu. A na-ejikarị ya eme ihe maka ịkpụcha elu na nchekwa. Ọdụ ike mmiri nchekwa nke a na-akpọ "pumped hydropower" bụ teknụzụ kachasị eji eme ihe ma bụrụ nke tozuru oke na nchekwa ike buru ibu, ikike arụnyere nke ọdụ ike nwere ike iru ọkwa gigawatt.
Dịka ọnụọgụgụ na-ezughị ezu nke Kọmitii Ọkachamara Nchekwa Ike nke China Energy Research Association si kwuo, ugbu a, ọdụ eletriki mmiri nchekwa nke nwere mmepe kachasị etozu na ikike kachasị ukwuu arụnyere n'ụwa bụ ọdụ eletriki mmiri nchekwa nke a na-akpọ "pumped hydropower". Ka ọ na-erule 2019, ikike nchekwa ike zuru ụwa ọnụ erutela nde KW 180, ikike nrụnye nke ọdụ eletriki mmiri nchekwa nke a na-akpọ "pumped hydropower" agafeela nde KW 170, nke bụ 94% nke mkpokọta nchekwa ike zuru ụwa ọnụ.
Ọdụ ike mmiri nchekwa nke a na-akpọ "pamped hydropower" na-eji ike dị ala nke sistemụ ike ahụ iji gbapụta mmiri gaa ebe dị elu maka nchekwa, ma na-ewepụta mmiri maka mmepụta ike n'oge oke ibu. Mgbe ibu ahụ dị ala, ọ bụ ebe a na-etinye ike mmiri nchekwa nke a na-akpọ "pamped hydropower"; Mgbe ibu ahụ dị oke elu, ọ bụ ebe a na-etinye ike ọkụ eletrik.
Ngalaba nke Pumped Storage Hydropower Station nwere ọrụ abụọ bụ isi: mgbapụta na mmepụta ike. Ngalaba ahụ na-arụ ọrụ dị ka turbine hydraulic n'oge oke ibu nke sistemụ ike. A na-agbanwe oghere nke vane nduzi nke turbine hydraulic site na sistemụ gọvanọ iji gbanwee ike nwere ike nke mmiri ka ọ bụrụ ike mekaniki nke ntụgharị nkeji, wee gbanwee ike mekaniki ka ọ bụrụ ike eletrik site na jenereta;
Mgbe ibu nke sistemụ ike dị ala, a na-eji ya dị ka ọkpọ mmiri iji rụọ ọrụ. A na-eji ike eletrik dị n'ebe dị ala agbapụta mmiri site na ọkpọ mmiri dị ala gaa na ọkpọ mmiri dị elu. Site na mgbanwe akpaka nke sistemụ gọvanọ, a na-agbanwe oghere nke vane nduzi na akpaghị aka dịka isi ọkpọ mmiri si dị, a na-agbanwekwa ike eletrik ka ọ bụrụ ike mmiri nwere ike ịchekwa.
Ọdụ ike mmiri nchekwa nke a na-akpọ "pumped power station" bụ isi ihe na-akpata ịkpụcha elu, mgbanwe ugboro ugboro, njikere mberede na mmalite ojii nke sistemụ ike, nke nwere ike imeziwanye ma dozie ibu nke sistemụ ike, melite ogo ọkọnọ ike na uru akụ na ụba nke sistemụ ike, ọ bụkwa isi ihe na-eme ka grid ike dị nchebe, akụ na ụba na nkwụsi ike. A maara ọdụ ike mmiri nchekwa nke a na-akpọ "stabilizer", "regulator" na "balancer" n'ọrụ nchekwa nke grid ike.
Usoro mmepe nke ọdụ eletriki mmiri a na-eji apịpụta ihe n'ụwa bụ isi dị elu, ikike buru ibu na ọsọ dị elu. Isi mmiri dị elu pụtara na ngwaọrụ ahụ na-etolite ruo isi mmiri dị elu. Ike buru ibu pụtara na ikike nke otu ngwaọrụ na-abawanye. Ọsọ dị elu pụtara na ngwaọrụ ahụ na-anabata ọsọ pụrụ iche dị elu.
Nhazi na njirimara
Ụlọ ndị bụ isi nke Pumped Storage Hydropower Station na-agụnyekarị ọdọ mmiri dị n'elu, ọdọ mmiri dị n'okpuru, usoro mbufe mmiri, ụlọ ike na ụlọ ndị ọzọ pụrụ iche. Ma e jiri ya tụnyere ọdụ ọkụ eletrik nkịtị, usoro hydraulic nke ọdụ ọkụ eletrik nwere njirimara ndị a:
E nwere ebe nchekwa mmiri abụọ. Ma e jiri ya tụnyere ebe nchekwa mmiri nkịtị nwere otu ikike arụnyere, ikike nchekwa mmiri nke ebe nchekwa mmiri a na-apịpụta na-adịkarị obere.
Mmiri dị n'ime ọdọ mmiri na-agbanwe nke ukwuu ma na-arị elu ma na-ada ugboro ugboro. Iji rụọ ọrụ nke ịkpụcha elu na ijupụta ndagwurugwu na grid ike, mgbanwe kwa ụbọchị nke ọkwa mmiri dị n'ime ọdọ mmiri na Pumped Storage Hydropower Station na-abụkarị nnukwu, na-adịkarị karịa mita 10 ruo 20, ụfọdụ ọdụ mmiri na-eru mita 30 ruo 40, ọnụego mgbanwe nke ọkwa mmiri dị n'ime ọdọ mmiri na-adị ngwa ngwa, na-abụkarị ruo mita 5 ruo 8 / awa, ma ọ bụ ọbụna mita 8 ruo 10 / awa.
Ihe achọrọ maka igbochi mmiri ịbanye n'ime ọdọ mmiri dị elu. Ọ bụrụ na ebe a na-echekwa mmiri nke ọma tụfuru nnukwu mmiri n'ihi mmiri ịbanye n'ime ọdọ mmiri dị n'elu, a ga-ebelata ike eletrik nke ebe a na-echekwa mmiri. Ya mere, ihe achọrọ maka mgbochi mmiri ịbanye n'ime ọdọ mmiri dị elu. N'otu oge ahụ, iji gbochie mmebi nke ọnọdụ mmiri na mpaghara ọrụ ahụ, mmebi mmiri ịbanye n'ime ọdọ mmiri na mpụta mmiri nke mmiri si na ya pụta, a na-etinyekwa ihe ndị dị elu maka igbochi mmiri ịbanye n'ime ọdọ mmiri.
Isi mmiri dị elu. Isi mmiri nke Pumped Storage Hydropower Station na-adịkarị elu, ọkachasị mita 200 ruo 800. Jixi Pumped Storage Hydropower Station nke nwere ikike arụnyere na ngụkọta nke nde kW 1.8 bụ ọrụ mbụ nke mita 650 na China, Dunhua Pumped Storage Hydropower Station nke nwere ikike arụnyere na ngụkọta nke nde kW 1.4 bụ ọrụ mbụ nke mita 700 na China. Site na mmepe na-aga n'ihu nke ọkwa teknụzụ nke ọdụ eletriki nchekwa a na-etinye na mmiri, ọnụọgụ ọdụ eletriki dị elu na nnukwu ikike na China ga-abawanye.
Mmụba nke nrụnye nke unit ahụ dị ala. Iji merie mmetụta nke mmiri na mmiri na-asọpụta na ike ọkụ eletrik, nnukwu ọdụ ọkụ eletrik e wuru n'ụlọ na mba ofesi na-ejikarị ụdị ike ọkụ eletrik dị n'okpuru ala eme ihe n'afọ ndị na-adịbeghị anya.
Oge ozi: Eprel-25-2022
