A cikin 'yan shekarun nan, fasahar samar da wutar lantarki ta photovoltaic ta ci gaba ta hanyar tsalle-tsalle da iyakoki, kuma shigar da ƙarfin ya karu da sauri. Duk da haka, samar da wutar lantarki na photovoltaic yana da kasawa irin su tsaka-tsaki da rashin kulawa. Kafin a yi maganin shi, babban damar kai tsaye zuwa grid ɗin wutar lantarki zai kawo tasiri mai girma kuma yana shafar ingantaccen aiki na grid ɗin wutar lantarki. . Ƙara hanyoyin haɗin wutar lantarki na iya sa samar da wutar lantarki ta photovoltaic sumul kuma a tsaye fitarwa zuwa grid, kuma babban damar shiga grid ba zai shafi kwanciyar hankali na grid ba. Kuma photovoltaic + ajiyar makamashi, tsarin yana da kewayon aikace-aikacen da ya fi girma.
Tsarin ajiya na Photovoltaic, gami da kayan aikin hasken rana, masu sarrafawa,inverters, baturi, lodi da sauran kayan aiki. A halin yanzu, akwai hanyoyi da yawa na fasaha, amma makamashi yana buƙatar tattarawa a wani wuri. A halin yanzu, akwai galibi biyu topologies: DC hada biyu "DC hadawa" da AC hada biyu "AC hada biyu".
1 DC guda biyu
Kamar yadda aka nuna a cikin hoton da ke ƙasa, ana adana wutar lantarki ta DC da samfurin photovoltaic ke samarwa a cikin fakitin baturi ta hanyar mai sarrafawa, kuma grid kuma na iya cajin baturi ta hanyar mai juyawa DC-AC bidirectional. Wurin tara makamashi yana a ƙarshen baturin DC.
Ka'idar aiki na haɗin gwiwar DC: lokacin da tsarin photovoltaic ke gudana, ana amfani da mai sarrafa MPPT don cajin baturi; lokacin da ake buƙatar nauyin lantarki, baturin zai saki wutar lantarki, kuma ana ƙayyade halin yanzu ta hanyar lodi. An haɗa tsarin ajiyar makamashi zuwa grid. Idan nauyin yana da ƙananan kuma baturi ya cika cikakke, tsarin photovoltaic zai iya ba da wutar lantarki zuwa grid. Lokacin da nauyin nauyi ya fi ƙarfin PV, grid da PV na iya ba da wutar lantarki zuwa kaya a lokaci guda. Saboda samar da wutar lantarki na photovoltaic da amfani da wutar lantarki ba su da kwanciyar hankali, wajibi ne a dogara da baturi don daidaita makamashi na tsarin.
2 AC guda biyu
Kamar yadda aka nuna a cikin hoton da ke ƙasa, halin yanzu kai tsaye da aka samar da samfurin photovoltaic yana canzawa zuwa halin yanzu ta hanyar inverter, kuma ana ciyar da shi kai tsaye zuwa kaya ko aika zuwa grid. Grid ɗin kuma na iya cajin baturin ta hanyar jujjuyawar bidirectional DC-AC. Wurin tara makamashi yana a ƙarshen sadarwa.
Ka'idar aiki na haɗin AC: ya haɗa da tsarin samar da wutar lantarki na photovoltaic da tsarin samar da wutar lantarki. Tsarin hoto yana ƙunshe da tsararrun hotunan hoto da masu juyawa masu haɗin grid; tsarin baturi ya ƙunshi fakitin baturi da inverter bidirectional. Wadannan tsarin guda biyu na iya aiki da kansu ba tare da tsoma baki tare da juna ba, ko za a iya raba su da babban grid na wutar lantarki don samar da tsarin micro-grid.
Dukansu haɗin gwiwar DC da haɗin AC a halin yanzu sune manyan mafita, kowanne yana da fa'ida da rashin amfaninsa. Bisa ga aikace-aikace daban-daban, zaɓi mafi dacewa bayani. Mai zuwa shine kwatanta mafita guda biyu.
1 farashin kwatanta
Haɗin kai na DC ya haɗa da mai sarrafawa, inverter bidirectional da canjin canja wuri, haɗin AC ya haɗa da inverter mai haɗin grid, inverter bidirectional da majalisar rarraba wutar lantarki. Daga yanayin farashi, mai sarrafawa yana da arha fiye da inverter mai haɗin grid. Canjin canja wuri kuma yana da arha fiye da majalisar rarraba wutar lantarki. Hakanan za'a iya sanya tsarin haɗin kai na DC ya zama na'ura mai sarrafawa da inverter, wanda zai iya adana farashin kayan aiki da farashin shigarwa. Saboda haka, farashin tsarin haɗin kai na DC ya ɗan yi ƙasa da na tsarin haɗin gwiwar AC.
2 Kwatancen aiki
An haɗa tsarin haɗin gwiwar DC, mai sarrafawa, baturi da inverter a cikin jerin, haɗin yana kusa da kusa, amma sassauci ba shi da kyau. A cikin tsarin haɗin gwiwar AC, inverter mai haɗin grid, baturin ajiya da mai juyawa bidirectional suna layi ɗaya, haɗin ba shi da ƙarfi, kuma sassauci yana da kyau. Alal misali, a cikin tsarin photovoltaic da aka riga aka shigar, ya zama dole don shigar da tsarin ajiyar makamashi, yana da kyau a yi amfani da haɗin haɗin AC, idan dai an shigar da baturi da mai juyawa bidirectional, ba zai shafi ainihin tsarin photovoltaic ba, kuma tsarin ajiyar makamashi A ka'ida, zane ba shi da dangantaka ta kai tsaye tare da tsarin photovoltaic kuma za'a iya ƙayyade bisa ga bukatun. Idan sabon tsarin kashe grid ne, dole ne a tsara hotunan hoto, batura, da inverter bisa ga ƙarfin lodin mai amfani da amfani da wutar lantarki, kuma tsarin haɗin gwiwar DC ya fi dacewa. Duk da haka, ikon tsarin haɗin gwiwar DC yana da ƙananan ƙananan, yawanci ƙasa da 500kW, kuma yana da kyau a sarrafa tsarin da ya fi girma tare da haɗin AC.
3 kwatancen inganci
Daga hangen nesa na ingantaccen amfani da photovoltaic, makircin biyu suna da nasu halaye. Idan mai amfani yayi lodi fiye da rana kuma ƙasa da dare, yana da kyau a yi amfani da haɗin haɗin AC. Model na photovoltaic kai tsaye suna ba da wutar lantarki zuwa kaya ta hanyar inverter mai haɗin grid, kuma ingancin zai iya kaiwa sama da 96%. Idan nauyin mai amfani yana da ƙananan ƙananan a lokacin rana kuma fiye da dare, kuma ana buƙatar samar da wutar lantarki na photovoltaic a lokacin rana kuma a yi amfani da shi da dare, yana da kyau a yi amfani da haɗin DC. Model na photovoltaic yana adana wutar lantarki zuwa baturi ta hanyar mai sarrafawa, kuma yadda ya dace zai iya kaiwa fiye da 95%. Idan haɗin AC ne, Photovoltaics dole ne a fara canza shi zuwa ikon AC ta hanyar inverter, sannan a canza shi zuwa wutar DC ta hanyar mai jujjuya bidirectional, kuma ingancin zai ragu zuwa kusan 90%.
Aminsolar taN3Hx jerin rabe lokaci invertersgoyan bayan haɗin AC kuma an tsara su don haɓaka tsarin makamashin rana. Muna maraba da ƙarin masu rarrabawa don haɗa mu don haɓaka waɗannan sabbin samfuran. Idan kuna sha'awar faɗaɗa samfuran samfuran ku da samar da inverter masu inganci ga abokan cinikin ku, muna gayyatar ku don yin haɗin gwiwa tare da mu kuma ku amfana daga fasahar ci gaba da amincin jerin N3Hx. Tuntube mu a yau don gano wannan dama mai ban sha'awa don haɗin gwiwa da haɓaka a cikin masana'antar makamashi mai sabuntawa.
Lokacin aikawa: Fabrairu-15-2023
