Tare da haɓaka fasahar ƙirar Cell da PV, fasahohi daban-daban kamar rabin yankan tantanin halitta, shingling module, nau'in fuska biyu, PERC, da sauransu. Ƙarfin fitarwa da halin yanzu na module guda ɗaya sun ƙaru sosai. Wannan yana kawo buƙatu mafi girma ga inverters.
1.High-Power Modules bukatar Higher Current Adaptability na Inverters
Imp na PV modules yana kusa da 8A a baya, don haka matsakaicin shigarwar halin yanzu na inverter ya kasance kusan 9-10A. A halin yanzu, Imp na 350-400W na'urori masu ƙarfi sun wuce 10A wanda ya zama dole don zaɓar mai juyawa tare da matsakaicin shigarwar 12A na yanzu ko mafi girma don saduwa da babban ƙarfin PV module.
Tebu mai zuwa yana nuna ma'auni na nau'ikan nau'ikan kayan aiki masu ƙarfi da yawa waɗanda aka yi amfani da su a kasuwa. Zamu iya ganin cewa Imp na 370W module ya kai 10.86A. Dole ne mu tabbatar da iyakar shigar da halin yanzu na inverter don wuce Imp na PV module.
2.As ikon guda ɗaya yana ƙaruwa, ana iya rage adadin kirtani na shigarwa na inverter daidai.
Tare da haɓaka ƙarfin samfuran PV, ƙarfin kowane kirtani shima zai ƙaru. Ƙarƙashin ma'auni iri ɗaya, adadin Input Strings kowane MPPT zai ragu.
Matsakaicin shigarwar halin yanzu na Renac R3 Note Series 4-15K inverter uku-uku shine 12.5A, wanda zai iya biyan buƙatun na'urorin PV masu ƙarfi.
Ɗaukar nau'ikan 370W a matsayin misali don saita tsarin 4kW, 5kW, 6kW, 8kW, 10kW bi da bi. Mabuɗin maɓalli na inverters sune kamar haka:
Lokacin da muka saita tsarin hasken rana, zamu iya la'akari da girman girman DC. DC oversize ra'ayi an karɓa sosai a ƙirar tsarin hasken rana. A halin yanzu, masana'antar wutar lantarki ta PV a duk duniya sun riga sun yi girma a matsakaici tsakanin 120% da 150%. Ɗaya daga cikin manyan dalilan da za a yi girman girman janareta na DC shine cewa ba a samun ƙarfin kololuwar ƙididdiga na kayayyaki a zahiri. A wasu wuraren da ba su da isasshen haske, ingantacciyar haɓaka (ƙara ikon PV don tsawaita sa'o'in cikar tsarin AC) zaɓi ne mai kyau. Kyakkyawan ƙira mai girma zai iya taimaka wa tsarin kusa da cikakken kunnawa da kiyaye tsarin ƙarƙashin yanayin lafiya, wanda ke sa jarin ku ya dace.
Tsarin da aka ba da shawarar shine kamar haka:
Muddin matsakaicin matsakaicin buɗaɗɗen wutar lantarki na kirtani da matsakaicin halin yanzu na DC suna cikin juriyar na'ura, inverter na iya aiki tare da grid.
1.Maximum DC halin yanzu na kirtani ne 10.86A, wanda shi ne kasa da 12.5A.
2.Maximum bude kewaye ƙarfin lantarki na kirtani a cikin inverter ta MPPT kewayon.
Takaitawa
Tare da ci gaba da haɓaka ƙarfin module, masana'antun inverter suna buƙatar la'akari da dacewa da inverters da kayayyaki. A nan gaba, samfuran 500W+ PV tare da mafi girman halin yanzu suna iya zama babban kasuwa. Renac yana samun ci gaba tare da ƙira da fasaha kuma zai ƙaddamar da sabbin samfura don dacewa da mafi girman tsarin PV Power.