N'oge na-adịbeghị anya, Forster nyeere ndị ahịa South Africa aka nke ọma ịkwalite ike arụnyere nke ọdụ ike mmiri ya nke 100kW ruo 200kW. Atụmatụ nkwalite ahụ bụ dịka ndị a:
200KW kaplan turbine jenerato
Isi a tụrụ anya ya 8.15 m
Usoro nhazi 3.6m3/s
Mmiri kachasị elu 8.0m3/s
Mmiri kacha nta: 3.0m3/s
Oke ikike arụnyere 200kW
Onye ahịa ahụ malitere imeziwanye ọdụ ọkụ eletrik na Disemba afọ gara aga. Forster gbanwere turbine na jenerato maka onye ahịa ma melite sistemụ njikwa. Mgbe ọ mụbara isi mmiri site na 1m, emelitere ike arụnyere site na 100kW ruo 200kW, etinyere sistemụ njikọ grid. Ugbu a, ejikọtara ya na grid maka mmepụta ọkụ eletrik nke ọma, ndị ahịa nwekwara obi ụtọ dị ukwuu.
Uru nke Forster axial turbine
1. Ọsọ dị elu na njirimara ike dị mma. Ya mere, ọsọ nkeji ya na mmiri nkeji ya dị elu karịa nke Francis turbine. N'okpuru otu isi na ọnọdụ mmepụta, ọ nwere ike ibelata nha nke igwe jenerato turbine hydraulic nke ukwuu, belata ibu nke unit ma chekwaa oriri ihe, yabụ ọ nwere uru akụ na ụba dị elu.
2. Ọdịdị elu na oke iru ala nke agụba ndị na-agba ọsọ nke turbine axial-flow dị mfe imezu ihe achọrọ n'imepụta. N'ihi na agụba nke turbine axial flow propeller nwere ike ịtụgharị, arụmọrụ nkezi dị elu karịa nke turbine Francis. Mgbe ibu na isi gbanwere, arụmọrụ ya anaghị agbanwe agbanwe.
3. Enwere ike ịgbasa agụba ndị na-agba ọsọ nke turbine axial flow paddle iji mee ka mmepụta na njem dị mfe.
Ya mere, turbine axial-flow na-anọgide na-adịgide n'ọtụtụ ọrụ, ọ naghị enwe mkpọtụ dị ukwuu, ọ na-arụkwa ọrụ nke ọma ma na-arụpụta ihe nke ọma. N'ime oke isi mmiri dị ala, ọ fọrọ nke nta ka ọ dochie turbine Francis. N'ime iri afọ ndị na-adịbeghị anya, o meela nnukwu mmepe na ojiji sara mbara n'ihe gbasara ikike otu unit na isi mmiri.
Ọghọm nke Forster axial turbine
1. Ọnụọgụ agụba dị obere ma nwee ike ime ka ihe ghara ịdị ike, yabụ ike adịghị mma, a pụghịkwa itinye ya n'ọdụ ọkụ eletrik dị n'etiti na n'elu.
2. N'ihi nnukwu mmiri ọkụ eletrik na ọsọ dị elu nke unit ahụ, ọ nwere obere ogologo mmiri ọkụ karịa Francis turbine n'okpuru otu isi mmiri ahụ, nke na-ebute nnukwu omimi igwu ala na nnukwu itinye ego na ntọala ọdụ ike.
Dịka adịghị ike ndị a kpọtụrụ aha n'elu nke turbine axial-flow si dị, a na-emeziwanye isi ngwa nke turbine axial-flow mgbe niile site n'iji ihe ọhụrụ nwere ike dị elu na iguzogide cavitation na mmepụta turbine ma na-emeziwanye ọnọdụ nrụgide nke agụba ndị a na-emepụta. Ugbu a, isi ngwa nke turbine axial flow propeller bụ 3-90 m, nke abatala na mpaghara turbine Francis.
Oge ozi: Maachị-11-2022
