Solar panel ke e 'ngoe ea likarolo tsa bohlokoahali tsamaisong ea ho fehla matla a letsatsi.Mosebetsi oa eona ke ho fetolela matla a letsatsi hore e be matla a motlakase, ebe o ntša motlakase oa DC ho boloka ka har'a betri.Sekhahla sa eona sa phetoho le bophelo ba ts'ebeletso ke lintlha tsa bohlokoa ho fumana hore na sele ea letsatsi e na le boleng ba tšebeliso.
Lisele tsa letsatsi li phuthetsoe ka matla a holimo (ho feta 21%) lisele tsa letsatsi tsa silicon tsa monocrystalline ho netefatsa matla a lekaneng a hlahisoang ke lisebelisoa tsa letsatsi.Khalase e entsoe ka khalase e tlase ea tšepe e halefileng (eo hape e tsejoang e le khalase e tšoeu), e nang le phetisetso e fetang 91% ka har'a leqhubu la karabelo ea li-solar cell spectral, 'me e na le ponaletso e phahameng ea leseli la infrared le fetang 1200 nm.Ka nako e ts'oanang, khalase e khona ho mamella mahlaseli a mahlaseli a letsatsi a ultraviolet ntle le ho fokotsa phetisetso.EVA e nka filimi ea boleng bo holimo ea EVA e nang le botenya ba 0.78mm e kentsoeng ka anti ultraviolet agent, antioxidant le e phekolang e le moemeli oa ho tiisa lisele tsa letsatsi le motsoako o kopanyang pakeng tsa khalase le TPT, e nang le matla a ho fetisa le ho thibela botsofali.
Sekoahelo se ka morao sa sele ea letsatsi ea TPT - filimi ea fluoroplastic e tšoeu, e bonahatsang khanya ea letsatsi, kahoo katleho ea mojule e ntlafala hanyenyane.Ka lebaka la tlhahiso ea eona e phahameng ea infrared, e ka boela ea fokotsa mocheso oa ho sebetsa oa module, hape e thusa ho ntlafatsa katleho ea module.Foreimi ea alloy ea aluminium e sebelisoang bakeng sa foreimi e na le matla a phahameng le khanyetso e matla ea mochine.Hape ke karolo ea bohlokoa ka ho fetisisa ea tsamaiso ea matla a letsatsi.Mosebetsi oa eona ke ho fetola matla a mahlaseli a letsatsi hore e be matla a motlakase, kapa ho o romela ho betri ea polokelo bakeng sa polokelo, kapa ho khothalletsa mosebetsi oa mojaro.
Molao-motheo oa ho sebetsa oa Solar Panel
Solar panel ke sesebelisoa sa semiconductor se ka fetolelang matla a khanya ka kotloloho ho matla a motlakase.Sebopeho sa eona sa mantlha se entsoe ka semiconductor PN junction.Ho nka sele e tloaelehileng ea silicon PN ea letsatsi e le mohlala, phetoho ea matla a leseli ho matla a motlakase e tšohloa ka ho qaqileng.
Joalo ka ha bohle re tseba, lintho tse nang le palo e kholo ea likaroloana tse tsamaisoang mahala 'me ho bonolo ho li tsamaisa hona joale li bitsoa li-conductor.Ka kakaretso, litšepe ke li-conductor.Ka mohlala, conductivity ea koporo e ka bang 106 / (Ω. cm).Haeba motlakase oa 1V o sebelisoa libakeng tse peli tse lumellanang tsa cube ea koporo ea 1cm x 1cm x 1cm, hona joale 106A e tla phalla pakeng tsa libaka tse peli.Ka lehlakoreng le leng ke lintho tseo ho leng thata haholo ho li tsamaisa hona joale, tse bitsoang li-insulators, tse kang li-ceramics, mica, grease, rabara, joalo-joalo Ka mohlala, conductivity ea quartz (SiO2) e ka bang 10-16 / (Ω. cm) .Semiconductor e na le conductivity pakeng tsa conductor le insulator.Tsamaiso ea eona ke 10-4 ~ 104 / (Ω. cm).Semiconductor e ka fetola conductivity ea eona ka har'a mefuta e ka holimo ka ho eketsa litšila tse nyenyane.The conductivity ea semiconductor e hloekileng ka ho lekaneng e tla eketseha haholo ka ho phahama ha mocheso.
Li-semiconductors e ka ba likarolo, tse kang silicon (Si), germanium (Ge), selenium (Se), joalo-joalo;E ka boela ea e-ba motsoako, joalo ka cadmium sulfide (Cds), gallium arsenide (GaAs), joalo-joalo;E ka boela ea e-ba motsoako, joalo ka Ga, AL1 ~ XAs, moo x e leng palo leha e le efe pakeng tsa 0 le 1. Lintho tse ngata tsa motlakase tsa li-semiconductors li ka hlalosoa ka mohlala o bonolo.Nomoro ea athomo ea silicon ke 14, kahoo ho na le li-electrone tse 14 ka ntle ho nucleus ea athomo.Har'a tsona, li-electrone tse 10 tse ka hare ho lera le ka hare li tlanngoe ka thata ke nucleus ea athomo, ha li-electrone tse 4 karolong e ka ntle li sa tlameletsoe ke nucleus ea athomo.Haeba matla a lekaneng a fumanoa, a ka arohana le nucleus ea athomo 'me a fetoha li-electrone tse sa lefelloeng, a siea lesoba sebakeng sa pele ka nako e le' ngoe.Lielektrone li na le tjhaji e mpe mme masoba a na le tjhaji e ntle.Li-electrone tse 'nè tse karolong e ka ntle ea nucleus ea silicon li boetse li bitsoa li-electrone tsa valence.
Ka kristale ea silicon, ho na le liathomo tse 'nè tse haufi tse potolohileng athomo e' ngoe le e 'ngoe le li-elektronike tse peli tsa valence tse nang le athomo e' ngoe le e 'ngoe e haufi, e etsang khetla e tsitsitseng ea 8-athomo.Ho nka matla a 1.12eV ho arola elektrone ho athomo ea silicon, e bitsoang lekhalo la silicon band.Li-electrone tse arohaneng ke li-electrone tsa conduction tsa mahala, tse ka tsamaeang ka bolokolohi le ho fetisa hona joale.Ha elektrone e baleha athomo, e siea sebaka se bitsoang lesoba.Lielektrone tse tsoang ho liathomo tse haufi li ka tlatsa lesoba, tsa etsa hore lesoba le tsamaee ho tloha sebakeng se seng ho ea ho se secha, ka hona ho etsa metsi.Hona joale e hlahisoang ke phallo ea li-electrone e lekana le ea hona joale e hlahisoang ha lesoba le qosoang hantle le tsamaea ka tsela e fapaneng.
Nako ea poso: Jun-03-2019