Nau'o'in injina na ajiyar makamashi na gida
Za'a iya rarraba inverter na ajiyar makamashi na zama zuwa hanyoyin fasaha guda biyu: haɗakarwar DC da haɗin haɗin AC.A cikin tsarin ajiya na hoto, nau'o'i daban-daban irin su hasken rana da gilashin PV, masu sarrafawa, masu canza hasken rana, batura, lodi (na'urorin lantarki), da sauran kayan aiki suna aiki tare.AC ko DC coupling yana nufin yadda ake haɗa fale-falen hasken rana zuwa ma'aunin makamashi ko tsarin baturi.Haɗin kai tsakanin samfuran hasken rana da batir ESS na iya zama ko dai AC ko DC.Yayin da yawancin da'irori na lantarki suna amfani da kai tsaye (DC), na'urorin hasken rana suna haifar da halin yanzu kai tsaye, kuma batirin hasken rana na gida suna adana halin yanzu kai tsaye, yawancin na'urori suna buƙatar alternating current (AC) don aiki.
A cikin tsarin ajiyar makamashin hasken rana, ana adana wutar lantarki kai tsaye da ke samar da hasken rana a cikin fakitin baturi ta hanyar mai sarrafawa.Bugu da ƙari, grid ɗin kuma na iya cajin baturi ta hanyar mai juyawa DC-AC bidirectional.Wurin haɗakar makamashi yana a ƙarshen baturin DC BESS.A cikin rana, samar da wutar lantarki na photovoltaic na farko yana ba da kaya (kayan lantarki na gida) sannan kuma yana cajin baturi ta hanyar MPPT mai kula da hasken rana.An haɗa tsarin ajiyar makamashi zuwa grid na jihar, yana ba da damar yin amfani da wutar lantarki mai yawa a cikin grid.Da daddare, baturin yana fitarwa don samar da wutar lantarki ga kaya, tare da kowane gazawar da grid ya ƙara.Yana da kyau a lura cewa baturan lithium suna ba da wutar lantarki ne kawai zuwa abubuwan da ba za a iya amfani da su ba kuma ba za a iya amfani da su don abubuwan da ke haɗa grid ba lokacin da grid ɗin wutar ya ƙare.A cikin lokutan da ƙarfin lodi ya wuce ƙarfin PV, duka grid da tsarin ajiyar batir na rana na iya ba da wuta ga kaya a lokaci guda.Batirin yana taka muhimmiyar rawa wajen daidaita makamashin tsarin saboda canjin yanayin samar da wutar lantarki da kuma amfani da wutar lantarki.Bugu da ƙari, tsarin yana ba masu amfani damar saita lokacin caji da caji don biyan takamaiman bukatun wutar lantarki.
Yadda Tsarin Ajiye Makamashi Haɗe-haɗe na DC ke Aiki
Hybrid photovoltaic + tsarin ajiyar makamashi
Inverter na hasken rana yana haɗu da ayyuka na wuta da kashewa don haɓaka haɓakar caji.Ba kamar masu inverters na kan-grid ba, waɗanda ke cire haɗin tsarin tsarin hasken rana ta atomatik yayin katsewar wutar lantarki don dalilai na aminci, matasan inverters suna ba masu amfani damar yin amfani da wutar lantarki ko da a lokacin baƙar fata, saboda suna iya aiki duka a kashe grid kuma suna haɗa su da grid.Fa'idar matasan inverters shine sauƙaƙan saka idanu na makamashi da suke samarwa.Masu amfani za su iya samun dama ga mahimman bayanai cikin sauƙi kamar aiki da samar da makamashi ta hanyar inverter panel ko haɗa na'urori masu wayo.A lokuta inda tsarin ya ƙunshi inverters biyu, kowanne dole ne a sa ido daban-daban.Ana amfani da haɗin haɗin DC a cikin mahaɗan inverter don rage asara a cikin canjin AC-DC.Ƙarfin cajin baturi tare da haɗin gwiwar DC zai iya kaiwa kusan 95-99%, idan aka kwatanta da 90% tare da haɗin AC.
Bugu da ƙari kuma, matasan inverters suna da tattalin arziki, m, da sauƙin shigarwa.Shigar da sabon injin inverter tare da batura masu haɗakar da DC na iya zama mafi tsada-tasiri fiye da sake fasalin batura masu haɗin AC cikin tsarin da ake dasu.Masu kula da hasken rana da ake amfani da su a cikin inverter na matasan ba su da tsada fiye da na'urorin da aka ɗaure da grid, yayin da na'urorin canja wuri ba su da tsada fiye da ɗakunan rarraba wutar lantarki.DC coupling hasken rana inverter kuma iya hade iko da inverter ayyuka a cikin guda inji, haifar da ƙarin tanadi a kayan aiki da shigarwa kudi.Tasirin farashi na tsarin haɗin kai na DC yana bayyana musamman a cikin ƙanana da matsakaicin kashe tsarin ajiyar makamashi.Ƙirar ƙira ta matasan inverters tana ba da damar haɓaka abubuwan haɓakawa da masu sarrafawa cikin sauƙi, tare da zaɓi na haɗa ƙarin abubuwan haɗin gwiwa ta amfani da mai sarrafa hasken rana na DC mai ƙarancin tsada.Har ila yau, an ƙera na'urorin inverters masu haɗaka don sauƙaƙe haɗawar ajiya a kowane lokaci, sauƙaƙe tsarin ƙara fakitin baturi.Tsarin inverter na matasan yana da ƙayyadaddun girmansa, yin amfani da manyan batura masu ƙarfin lantarki, da rage girman kebul, yana haifar da ƙananan asarar gaba ɗaya.
Lokacin aikawa: Jul-07-2023