Kugwiritsa ntchito mita yolondola kwambiri pamayeso amtundu wa solar cell

Ndi chitukuko chofulumira cha chuma cha padziko lonse komanso kukula kwa mafakitale, kufunikira kwa mphamvu kwa anthu kukuwonjezeka tsiku ndi tsiku. Poyerekeza ndi mphamvu yamafuta osasinthika, ma radiation a solar amatha kukhala ndi mphamvu zotulutsa kwazaka mabiliyoni ambiri, ndipo kutembenuka kwa mphamvu yowunikira kukhala mphamvu yamagetsi ndi njira yofunika kwambiri. Maselo a dzuwa ndi mtundu wa pepala la photoelectric semiconductor lomwe limagwiritsa ntchito kuwala kwa dzuwa kupanga magetsi mwachindunji. Kuwalako kukakumana ndi zinthu zina, kumatha kutulutsa voteji nthawi yomweyo ndikupanga magetsi pamaso pa dera. Amagwiritsidwa ntchito kwambiri m'magawo osiyanasiyana monga zoyendera, mauthenga, ndi ma satelayiti.

Kuyambira kafukufuku ndi chitukuko mpaka kupanga, maselo a dzuwa ali ndi zofunikira zosiyanasiyana zoyesera mu ulalo uliwonse. Makhalidwe awo a photoelectric akuphatikizapo makhalidwe a volt-ampere IV, makhalidwe a spectral response SR, ndi makhalidwe a quantum efficiency QE. Pakati pawo, kusanthula kwa makhalidwe a IV ndikofunikira kwambiri kuti mupeze magawo ofunikira okhudzana ndi magwiridwe antchito a maselo a dzuwa, makamaka kuphatikiza maximum current I-max ndi voltage V-max, open circuit voltage Voc, short circuit current Isc, fill factor ff, ndi conversion efficiency η. Kuti amalize molondola mayeso a IV a maselo a dzuwa, woyesayo ayenera kugwiritsa ntchito solar simulator light source kuti ayese chitsanzocho patali, kenako agwiritse ntchito zida zamagetsi zolondola kuti ayesere IV characteristic curve kuti apeze magawo a batri.

Ngati palibe kuwala, mphamvu ya DC bias voltage yomwe yatchulidwa imafunika kuti muyese mawonekedwe a IV a maselo a dzuwa, ndipo mphamvu ya IV bias curve pansi pa forward bias voltage imayesedwa; ngati palibe mphamvu ya bias voltage, mphamvu ya IV ya maselo a dzuwa pansi pa zinthu zosiyanasiyana zolemera imayesedwa ndi kuwala kwadzidzidzi kwa mafunde osiyanasiyana (makhalidwe a katundu wa mndandanda wambiri ndi omveka bwino), ndipo mphamvu yafupikitsa Isc, voliyumu yotseguka ya voliyumu, mphamvu yayikulu, mphamvu yogwirira ntchito yabwino kwambiri ndi voliyumu zimayesedwa. Mita ya NGI N2600 ya digito yolondola kwambiri imagwirizanitsa ntchito zoyezera gwero, imatha kutulutsa mphamvu ya ultra-high-precision voltage source ndi current source, ndipo imapereka ntchito zoyezera, zomwe zingakwaniritse zosowa za mayeso a solar cell IV.

Kuyankha kwa Spectral SR ndi chizindikiro chowunikira mphamvu ya kusintha kwa kuwala kwa dzuwa pogwiritsa ntchito kuwala kwa dzuwa. Kupereka kuwala kwa mafunde osiyanasiyana, ndipo chiŵerengero cha mphamvu yosinthidwa pambuyo polandira kuwala kwa ngozi ndi mphamvu ya kuwala kwa ngozi ndi SR yoyankha ya spectral. Mita yoyambira ya N2600 imatha kuyeza molondola mphamvu ya kuwala kuti ikwaniritse mayeso a SR.

Kawirikawiri, magetsi amapereka ntchito ya 1st ndi 3rd quartrant yokha, kutulutsa mphamvu ngati gwero. Mndandanda wa N2600 ukhoza kupereka ntchito yonse ya 4-quartrant. Ikagwira ntchito mu 2nd ndi 4th quadrants, imatha kuyamwa mphamvu ngati sinki (katundu). Mu source kapena sinki mode, imatha kuyeza voltage, current ndi resistance. Liwiro lake lalikulu la sampling limatha kufika 100ksps, ndipo liwiro la scanning ndi 1ms pa mfundo iliyonse.