Solar panel ke sesebelisoa se fetolang mahlaseli a letsatsi ka ho toba kapa ka mokhoa o sa tobang matla a motlakase ka phello ea photoelectric kapa photochemical effect ka ho monya khanya ea letsatsi.Ntho e ka sehloohong ea lisebelisoa tse ngata tsa letsatsi ke "silicon".Li-photon li kenngoa ke thepa ea silicon;matla a photon a fetisetsoa liathomong tsa silicon, tse etsang hore lielektrone li fetohe 'me e be li-electrone tse sa lefelloeng tse bokellanang mahlakoreng ka bobeli a PN junction ho etsa phapang e ka bang teng.Ha potoloho e ka ntle e buletsoe, tlas'a ts'ebetso ea motlakase ona, ho tla ba le hona joale ho phalla ka potoloho ea ka ntle ho hlahisa matla a itseng a tsoang.Ntho ea bohlokoa ea ts'ebetso ena ke: mokhoa oa ho fetola matla a photon matla a motlakase.
Palo ea Matla a Solar Panel
Sistimi ea ho fehla matla a letsatsi a AC e entsoe ka liphanele tsa letsatsi, li-control controller, li-inverters le libeteri;sisteme ea ho fehla matla a letsatsi ea DC ha e kenyelle inverter.E le ho nolofalletsa tsamaiso ea matla a letsatsi ho fana ka matla a lekaneng bakeng sa mojaro, hoa hlokahala ho khetha ka mokhoa o utloahalang karolo e 'ngoe le e' ngoe ho ea ka matla a sesebelisoa sa motlakase.Nka matla a 100W 'me u a sebelise lihora tse 6 ka letsatsi e le mohlala ho hlahisa mokhoa oa ho bala:
1. Ntlha ea pele, bala tšebeliso ea hora ea watt ka letsatsi (ho akarelletsa le tahlehelo ea inverter): haeba katleho ea phetoho ea inverter e le 90%, joale ha matla a hlahisoang ke 100W, matla a sebele a tlhahiso a lokela ho ba 100W / 90% =111W;haeba e sebelisoa lihora tse 5 ka letsatsi, matla a tsoang ke 111W*5 lihora = 555Wh.
2. Bala karolo ea letsatsi: Ho ea ka nako ea letsatsi le letsatsi e sebetsang hantle ea letsatsi la lihora tsa 6, 'me ho nahanoa ka katleho ea ho tjhaja le tahlehelo nakong ea ts'ebetso ea ho tjhaja, matla a tlhahiso ea motlakase oa letsatsi a lokela ho ba 555Wh / 6h / 70% = 130W.Har'a bona, 70% ke matla a sebele a sebelisoang ke setsi sa letsatsi nakong ea ts'ebetso ea ho tjhaja.
Matla a matla a ho hlahisa matla a letsatsi
Matla a phetoho ea photoelectric ea matla a letsatsi a monocrystalline silicon a fihla ho 24%, e leng katleho e phahameng ka ho fetisisa ea ho fetola photoelectric har'a mefuta eohle ea lisele tsa letsatsi.Empa lisele tsa letsatsi tsa silicon tsa monocrystalline li theko e boima haholo ho li etsa hoo li e-s'o sebelisoe ka bongata le hohle ka bongata.Lisele tsa letsatsi tsa polycrystalline silicon li theko e tlase ho feta lisele tsa letsatsi tsa monocrystalline silicon ho latela litšenyehelo tsa tlhahiso, empa katleho ea phetoho ea photoelectric ea lisele tsa letsatsi tsa polycrystalline silicon e tlase haholo.Ho phaella moo, bophelo ba tšebeletso ea lisele tsa letsatsi tsa polycrystalline silicon le tsona li khutšoanyane ho feta tsa lisele tsa letsatsi tsa monocrystalline silicon..Ka hona, mabapi le ts'ebetso ea litšenyehelo, lisele tsa letsatsi tsa silicon tsa monocrystalline li betere hanyane.
Bafuputsi ba fumane hore lisebelisoa tse ling tsa motsoako oa semiconductor li loketse lifilimi tsa phetoho ea photoelectric ea letsatsi.Ka mohlala, CdS, CdTe;Li-semiconductors tsa metsoako ea III-V: GaAs, AIPInP, joalo-joalo;lisele tse tšesaane tsa letsatsi tse entsoeng ka li-semiconductors tsena li bonts'a katleho e ntle ea phetoho ea photoelectric.Lisebelisoa tsa semiconductor tse nang le likheo tse ngata tsa gradient energy band li ka holisa mefuta e mengata ea ho monya matla a letsatsi, ka hona, ea ntlafatsa ts'ebetso ea phetoho ea photoelectric.E le hore palo e kholo ea lisebelisoa tse sebetsang tsa lisele tsa letsatsi tse tšesaane li bonts'a menyetla e pharaletseng.Har'a lisebelisoa tsena tse nang le likarolo tse ngata tsa semiconductor, Cu(In,Ga) Se2 ke sesebelisoa se setle se monyang khanya ea letsatsi.E ipapisitse le eona, lisele tsa letsatsi tse tšesaane tsa lifilimi tse nang le matla a holimo haholo a ho fetolela lifoto ho feta silicon e ka qaptjoang, 'me sekhahla sa phetoho ea photoelectric se ka finyelloang ke 18%.
Nako ea bophelo ea lisebelisoa tsa letsatsi
Bophelo ba ts'ebeletso ea lisebelisoa tsa letsatsi bo khethoa ke lisebelisoa tsa lisele, likhalase tse halefileng, EVA, TPT, joalo-joalo Ka kakaretso, bophelo ba tšebeletso ea liphanele tse entsoeng ke bahlahisi ba sebelisang thepa e ntle bo ka fihla lilemo tse 25, empa ka phello ea tikoloho, bophelo bo botle ba liphahlo tse entsoeng ke bahlahisi ba sebelisang thepa e molemo ka ho fetisisa bo ka fihla lilemo tse 25. lisele tsa letsatsi Thepa ea boto e tla tsofala ha nako e ntse e ea.Tlas'a maemo a tloaelehileng, matla a tla fokotsoa ke 30% ka mor'a lilemo tse 20 tsa tšebeliso, le 70% ka mor'a lilemo tse 25 tsa tšebeliso.
Nako ea poso: Dec-30-2022