Matla a Nominal le Maemo a Tloaelehileng a Teko (STC)
Ts'ebetso ea mojule oa photovoltaic ka kakaretso e lekantsoe tlasa Maemo a Tloaelehileng a Teko (STC), a hlalosoang ke maemo a IEC 60904-1:
- Lehlaseli la 1000 W/m² (leseli le letle la letsatsi)
- Mocheso oa module ho 25°C
- Mabone a khanya a tloaelehileng (IEC 60904-3)
Li-module tsa Bifacial, tse nkang leseli mahlakoreng ka bobeli, li ka ntlafatsa tlhahiso ka ho bonahatsa fatše (albedo). PVGIS ha e e-so etse mohlala oa li-module tsena, empa mokhoa o mong ke ho sebelisa BNPI (Bifacial Nameplate Irradiance), e hlalosoang e le: P_BNPI = P_STC * (1 + φ * 0.135), moo φ e leng karolo ea bobeli.
Meeli ea li-module tsa bifacial: Ha e lokele meaho e kopantsoeng ea moaho moo karolo e ka morao ea mojule e sitisang. Tshebetso e feto-fetohang ho itshetlehile ka tjhebahalo (mohlala, axis ya Leboya-Borwa e shebileng Botjhabela-Bophirima).
Khakanyo ea Matla a Sebele a PV Modules
Maemo a sebele a ts'ebetso ea liphanele tsa PV a fapane le maemo a tloaelehileng (STC), a amang matla a tlhahiso. PVGIS.COM e sebelisa litokiso tse 'maloa ho kenyelletsa mefuta ena.
1. Ponahatso le Lehlakore la Ketsahalo ea Leseli
Ha leseli le otla mojule oa PV, karolo e bonts'oa ntle le ho fetoloa motlakase. Ha sekhahla sa liketsahalo se le matla haholo, tahlehelo e kholo le ho feta.
- Tšusumetso ho tlhahiso: Ka karolelano, phello ena e baka tahlehelo ea 2 ho 4%, e fokotsoe bakeng sa mekhoa ea ho latela letsatsi.
2. Phello ea Solar Spectrum ho PV Effective
Liphanele tsa letsatsi li na le kutloelo-bohloko ho bolelele bo itseng ba maqhubu a khanya, a fapaneng ho ea ka theknoloji ea PV:
- Crystalline Silicon (c-Si): E na le kutloelo-bohloko ho leseli la infrared le le bonahalang
- CdTe, CIGS, a-Si: Kutloisiso e fapaneng, e nang le karabelo e fokotsehileng ho infrared
Lintlha tse susumetsang spectrum: Khanya ea hoseng le ea mantsiboea e khubelu.
Matsatsi a maru a eketsa karolo ea khanya e putsoa. Phello ea spectral e ama ka ho toba matla a PV. PVGIS.COM e sebelisa data ea sathelaete ho lokisa liphapang tsena le ho kopanya litokiso tsena lipalong tsa eona.
Ho its'epa ha Matla a PV ho Irradiance le Mocheso
Mocheso le Sebetsa
Ts'ebetso ea liphanele tsa PV e fokotseha ka mocheso oa module, ho latela theknoloji:
Ka khanya e phahameng (>1000 W/m²), mocheso oa module oa eketseha: Ho lahleheloa ke bokhoni
Ka khanya e tlase (<400 W/m²), katleho e fapana ho ea ka mofuta oa PV cell
Ho etsa mohlala ka PVGIS.COM
PVGIS.COM e lokisa matla a PV a ipapisitse le lehlaseli (G) le mocheso oa module (Tm) ho sebelisa mohlala oa lipalo (Huld et al., 2011):
P = (G/1000) * A * eff(G, Tm)
Li-coefficients tse ikhethileng ho theknoloji e 'ngoe le e' ngoe ea PV (c-Si, CdTe, CIGS) li tsoa litekanyong tsa liteko 'me li sebelisoa ho PVGIS.COM ketsiso.
Ho etsa mohlala oa Mocheso oa PV Modules
- Lintlha tse susumetsang mocheso oa module (Tm)
- Mocheso oa moea o teng (Ta)
- Matla a letsatsi (G)
- Moya (W) – Moya o matla o phodisa mojulu
-
Moetso oa mocheso ka PVGIS (Faiman, 2008):
Tm = Ta + G / (U0 + U1W)
Li-coefficients U0 le U1 li fapana ho latela mofuta oa ho kenya:
| Theknoloji ea PV | Ho kenya | U0 (W/°C-m²) | U1 (Ws/°C-m³) |
|---|---|---|---|
| c-Si | Boikemisetso | 26.9 | 26.9 |
| c-Si | BIPV/BAPV | 20.0 | 20.0 |
| CIGS | Boikemisetso | 22.64 | 22.64 |
| CIGS | BIPV/BAPV | 20.0 | 20.0 |
| CdTe | Boikemisetso | 23.37 | 23.37 |
| CdTe | BIPV/BAPV | 20.0 | 20.0 |
Litahlehelo tsa Sisteme le Botsofali ba PV Modules
Lipalo tsohle tse fetileng li fana ka matla boemong ba mojule, empa tahlehelo e 'ngoe e tlameha ho nahanoa:
- Litahlehelo tsa phetoho (inverter)
- Litahlehelo tsa likhoele
- Phapang ea matla lipakeng tsa li-module
- Botsofali ba liphanele tsa PV
Ho ea ka phuputso ea Jordan & Kurtz (2013), liphanele tsa PV li lahleheloa ke ka karolelano 0.5% ea matla ka selemo. Ka mor'a lilemo tse 20, matla a bona a fokotsehile ho 90% ea boleng ba bona ba pele.
- PVGIS.COM e khothalletsa ho kenya tahlehelo ea pele ea tsamaiso ea 3% bakeng sa selemo sa pele ho ikarabella bakeng sa ho senyeha ha tsamaiso, ebe 0.5% ka selemo.
Lintlha tse ling ha li nkuoe ho PVGIS
Litlamorao tse ling li ama tlhahiso ea PV empa ha li kenyellelitsoe ho PVGIS:
- Lehloa holim'a liphanele: E fokotsa tlhahiso haholo. E itšetlehile ka makhetlo a mangata le nako ea lehloa.
- Ho bokella lerōle le litšila: E fokotsa matla a PV, ho latela tlhoekiso le pula.
- Moriti o sa fellang: E na le tšusumetso e matla haeba mojule o le moriti. Phello ena e tlameha ho laoloa nakong ea ho kenya PV.
Qetello
Ka lebaka la tsoelo-pele ea ho etsa mohlala oa photovoltaic le data ea satellite, PVGIS.COM e lumella ho lekanya ho nepahetseng ha matla a tlhahiso ea li-module tsa PV ka ho ela hloko liphello tsa tikoloho le tsa theknoloji.
Ke Hobane'ng ha U Sebelisa PVGIS.COM?
Mehlala e tsoetseng pele ea irradiance le mocheso oa module
Litokiso tse ipapisitseng le maemo a leholimo le a pono
Khakanyo e tšepahalang ea tahlehelo ea sistimi le botsofali ba phanele
Ntlafatso ea tlhahiso ea letsatsi bakeng sa sebaka ka seng