N'ịbụ ndị ebumnobi "carbon abụọ" chụpụrụ (ọnụọgụ carbon na nnọpụiche carbon), ụlọ ọrụ fotovoltaic nke China na-enwe mgbanwe na mmụba na-enwetụbeghị ụdị ya.N'ime nkeji mbụ nke 2024, ikike ijikọ ọkụ eletrik ọhụrụ fotovoltaic nke China ruru 45.74 nde kilowatts, yana ikike jikọtara grid karịrị 659.5 nde kilowatts, na-egosi na ụlọ ọrụ fotovoltaic abanyela n'ọkwa mmepe ọhụrụ.Taa, anyị ga-enyocha n'ime omimi ihe mejupụtara na nhazi nke sistemu ike fotovoltaic jikọtara grid.Ma ọ bụ "iji onwe ya nke ikesa fotovoltaic na grid-jikọrọ ike njupụta", ma ọ bụnnukwu njikọ gridnke centralized photovoltaic.Ị nwere ike ịtu aka na ya dabere na ọdịnaya ederede.
Nhazi nkeejikọrọ gridsistemu ike nke fotovoltaic
Enwere ike kewaa sistemu igwe fotovoltaic grid jikọtara ya na sistemụ njikọ grid na-aga n'ihu, sistemu grid na-ejikọghị ya, sistemu ejikọrọ grid, DC na AC grid sistemu, yana mpaghara mpaghara mpaghara dabere na ọkụ eletrik. a na-ezigara ike na usoro ike.
1. Countercurrent grid-jikọrọ ike mmepụta usoro
Mgbe ike sitere na usoro mmepụta ọkụ fotovoltaic nke anyanwụ zuru oke, enwere ike iziga ike fọdụrụ na grid ọha;mgbe ike na-enye site na usoro mmepụta ọkụ fotovoltaic nke anyanwụ ezughị oke, grid ike na-enye ike na ibu.Ebe ọ bụ na a na-enye ike na grid n'akụkụ nke ọzọ na grid, a na-akpọ ya usoro mmepụta ike fotovoltaic na-emegiderịta onwe ya.
2. Grid-jikọrọ ike mmepụta usoro na-enweghị countercurrent
Ọbụna ma ọ bụrụ na usoro mmepụta ọkụ fotovoltaic nke anyanwụ na-emepụta ike zuru oke, ọ naghị enye ike na grid ọha.Otú ọ dị, mgbe usoro mmepụta ọkụ fotovoltaic nke anyanwụ na-enye ike na-ezughị ezu, ọ ga-eji okporo ọha.
3. Ịgbanwe grid-jikọrọ ike mmepụta usoro
Sistemụ nrụpụta ike jikọtara grid na-agbanwe agbanwe nwere ọrụ nke ngbanwe ụzọ abụọ akpaka.Nke mbụ, mgbe usoro mmepụta ọkụ fotovoltaic na-emepụta ike na-ezughị ezu n'ihi ihu igwe, ọdịda na-acha ọcha, wdg, mgbanwe ahụ nwere ike gbanwee na-akpaghị aka na akụkụ ọkụ ọkụ nke grid, na ọkụ ọkụ na-enye ike na ibu;nke abụọ, mgbe grid ike na-efunahụ ike na mberede n'ihi ihe ụfọdụ, usoro mmepụta ọkụ fotovoltaic Ọ nwere ike gbanwee na-akpaghị aka iji kewaa grid ọkụ site na fotovoltaic ọkụ ọkụ ma ghọọ usoro mmepụta fotovoltaic nke onwe ya.N'ozuzu, ịgbanwee grid jikọtara usoro mmepụta ike fotovoltaic nwere ngwaọrụ nchekwa ike.
4. Ike nchekwa grid-ejikọrọ ike mmepụta usoro
Igwe fotovoltaic na-ejikọta grid na-ejikọta ya na ngwaọrụ nchekwa ike bụ ịhazi ngwaọrụ nchekwa ike dị ka mkpa dị na ụdị ndị a kpọtụrụ aha n'elu nke usoro mmepụta fotovoltaic.Usoro fotovoltaic nwere ngwaọrụ nchekwa ike na-arụ ọrụ nke ọma ma nwee ike ịrụ ọrụ n'onwe ya ma na-enye ike na ibu ahụ na-emekarị mgbe enwere nkwụsị ọkụ, njedebe ike ma ọ bụ ọdịda na grid ọkụ.Ya mere, a na-eji usoro mmepụta fotovoltaic grid jikọtara ya na ngwaọrụ nchekwa ike dị ka usoro ọkụ ọkụ maka ebe ndị dị mkpa ma ọ bụ ibu ihe mberede dị ka ọkụ ọkụ nkwurịta okwu mberede, ngwá ọrụ ahụike, ọdụ gas, ihe ngosi ebe mgbapụ na ọkụ.
5. Usoro nrụpụta ike jikọtara nnukwu grid
Otu nnukwu grid jikọtara usoro mmepụta ike fotovoltaic bụ nke ọtụtụ ngwa ngwa fotovoltaic jikọtara ọnụ.Igwe ọkụ ọkụ fotovoltaic ọ bụla na-eme ka ike DC na-emepụta site n'usoro ikuku anyanwụ ka ọ bụrụ ike 380V AC site na inverter jikọtara fotovoltaic grid, wee tụgharịa ya na 10KV AC ike voltaji dị elu site na sistemụ nkwalite.A na-eziga ya na sistemu ihe ngbanwe nke 35KV wee jikọta ya na ike 35KV AC.Na grid ọkụ eletrik dị elu, 35KV AC na-agbanwe ike dị elu ka ọ bụrụ ike 380 ~ 400V AC site na usoro mgbada dị ka nkwado ndabere maka ọdụ ọkụ.
6. Ekesara usoro mmepụta ike
Igwe ọkụ fotovoltaic na-ekesa, nke a makwaara dị ka ikesa ike ikesa ma ọ bụ ikesa ike, na-ezo aka nhazi nke obere fotovoltaic ọkụ eletrik na saịtị onye ọrụ ma ọ bụ nso ebe oriri na-eri ike iji gboo mkpa nke ndị ọrụ kpọmkwem ma kwado akụ na ụba nke netwọk nkesa dị adị.arụ ọrụ, ma ọ bụ abụọ.
7. Sistemụ microgrid nwere ọgụgụ isi
Microgrid na-ezo aka na obere mmepụta ike na usoro nkesa nke nwere ikesa ikesa, ngwaọrụ nchekwa ike, ngwaọrụ ntụgharị ike, ibu ndị metụtara, nlekota na ngwaọrụ nchebe.Ọ bụ usoro nke nwere ike ịghọta njide onwe onye, nchebe na nchebe.Sistemu kwụụrụ onwe ya nwere ike ịrụ ọrụ na njikọ ike mpụga ma ọ bụ na-anọpụ iche.Ejikọtara microgrid na akụkụ onye ọrụ ma nwee njirimara nke ọnụ ala dị ala, obere voltaji na mmetọ dị ala.Enwere ike ijikọ microgrid na nnukwu grid ike, ma ọ bụ enwere ike ịpụpụ ya na grid isi wee na-agba ọsọ n'onwe ya mgbe grid ike dara ma ọ bụ dị mkpa.
Ngwakọta nke sistemu ike fotovoltaic jikọtara grid
Ngwakọta fotovoltaic na-agbanwe ike anyanwụ na ike DC, jikọta ya site na igbe ngwakọta, wee gbanwee ike DC n'ime ike AC site na inverter.A na-ekpebi ọkwa voltaji nke ọdụ ọkụ fotovoltaic nke ejikọtara na grid ike dị ka ikike nke fotovoltaic na-arụ ọrụ nke teknụzụ akọwapụtara maka ijikọ ọdụ ọkụ fotovoltaic na grid ọkụ., mgbe voltaji na-ebuli elu site na transformer, ọ na-ejikọta ya na grid ike ọha.
Oge nzipu: Jul-15-2024