An Gabatar da Yanayin Yanayin Aikace-aikacen Tsarin Ajiye Makamashi na Photovoltaic Plus

PV makamashi ajiya, daban da tsantsar grid mai haɗin wutar lantarki, yana buƙatar ƙarawabatirin ajiyar makamashi , da cajin baturi da na'urori masu caji, duk da cewa ana buƙatar ƙara farashin gaba, amma iyakar aikace-aikacen ya fi fadi. Anan za mu kwatanta yanayin yanayin aikace-aikacen aikace-aikacen hotovoltaic mai zuwa + mai zuwa bisa ga aikace-aikace daban-daban: grid na hotovoltaic da kashe-grid na hoto, grid na grid mai haɗa wutar lantarki da kuma yanayin aikace-aikacen tsarin tsarin makamashi na micro-grid.

1. Photovoltaic kashe-grid makamashi ajiya yanayin yanayin aikace-aikace

Tsarin samar da wutar lantarki na kashe wutar lantarki na Photovoltaic na iya aiki da kansa ba tare da dogaro da grid ɗin wutar lantarki ba, kuma babban yanayin aikace-aikacen ya haɗa da wuraren tsaunuka masu nisa, wuraren da ba su da wutar lantarki, tsibiran, tashoshin sadarwa da fitilun titi. Tsarin ya ƙunshi tsararru na hotovoltaic, na'ura mai ɗaukar hoto na juyawa, fakitin baturi da nauyin lantarki. Lokacin da hasken ya kasance, tsararrun hoto yana canza hasken rana zuwa wutar lantarki kuma yana ba da wutar lantarki ga kaya ta hanyar haɗaɗɗen na'ura mai sarrafa baya kuma yana cajin fakitin baturi a lokaci guda. Idan babu haske, baturin yana samar da wutar lantarki don nauyin AC ta hanyar inverter.

Tsarin samar da wutar lantarki na Photovoltaic na musamman don amfani da wuraren da ba na grid ko wuraren kashe wutar lantarki akai-akai, irin su tsibirai, jiragen ruwa, da sauransu, tsarin kashe wutar lantarki ba ya dogara da babban grid ɗin wutar lantarki, yana dogaro da “gefe. amfani da gefen ajiya" ko "ma'aji na farko sannan kuma amfani da" yanayin aiki, shine abin "samar da dusar ƙanƙara". Tsare-tsaren kashe-tsare suna da matuƙar amfani ga gidaje a wuraren da ba a haɗa su ba ko kuma cikin ƙarancin wutar lantarki akai-akai.

2. Yanayin aikace-aikacen ajiyar makamashi na Photovoltaic da kashe-grid

Ana amfani da tsarin adana makamashi na Photovoltaic da kashe-grid a cikin ƙarancin wutar lantarki akai-akai, ko amfani da kai na hoto ba zai iya zama ragi a kan layi ba, farashin wutar lantarki mai amfani da kai, farashin wutar lantarki mafi girma ya fi tsada fiye da farashin wutar lantarki da sauran aikace-aikace.

Tsarin ya ƙunshitsarin hasken rana Tsarin hotovoltaic, hasken rana da kashe-grid duk-in-daya, fakitin baturi da lodi. Lokacin da hasken ya kasance, tsararrakin hoto yana canza hasken rana zuwa makamashin lantarki kuma mai sarrafa hasken rana yana ba da makamashin lantarki zuwa kaya kuma yana cajin baturi a lokaci guda. A yanayin rashin isasshen haske, baturi yana da alhakin kunna inverter mai sarrafa hasken rana gabaɗaya kuma yana ƙara samar da wuta ga nauyin AC.

Idan aka kwatanta datsarin samar da wutar lantarki mai haɗin grid , da kuma tsarin kashe grid suna ƙara caji da masu sarrafawa da batura, wanda ke sa farashin tsarin ya tashi da kusan 30% -50%, amma wuraren aikace-aikacensa sun fi yawa. Na farko, ana iya saita shi zuwa mafi girman farashin wutar lantarki bisa ga ƙimar wutar lantarki, rage farashin wutar lantarki; Wani kuma shi ne a yi cajin farashin wutar lantarki a cikin kwari a sanya shi a cikin kololuwa, a sami riba tare da bambanci tsakanin kololuwa da kwari. A cikin yanayin rashin wutar lantarki na grid, tsarin photovoltaic yana ci gaba da aiki a cikin nau'i na wutar lantarki, za a iya canza mai juyawa zuwa aikin kashe-grid, kuma photovoltaic da baturi na iya ba da wutar lantarki ga kaya ta hanyar inverter. Wannan al'amari a yanzu ya zama ruwan dare gama gari a kasashen ketare da suka ci gaba.

3. grid na hotovoltaic-haɗe da yanayin aikace-aikacen ajiyar makamashi

Tsarukan samar da wutar lantarki mai haɗin grid gabaɗaya suna amfani da ma'ajin wutan lantarki + don yin yanayin haɗaɗɗiyar AC. Tsarin zai iya adana yawan ƙarfin wutar lantarki da kuma ƙara yawan adadin amfani da kai ba tare da bata lokaci ba, kuma ana amfani da photovoltaic a cikin wuraren ajiyar hoto na ƙasa da masana'antu da kasuwanci na ajiyar makamashi na makamashi. Tsarin ya haɗa da tsarin hasken rana, grid-connected inverter photovoltaic array, fakitin baturi, caji da PCS mai sarrafa fitarwa da nauyin lantarki. Lokacin da hasken rana ya yi ƙasa da ƙarfin lodi, tsarin zai kasance tare da makamashin rana da kuma grid; Lokacin da hasken rana ya wuce ƙarfin lodi, wani ɓangare na makamashin hasken rana zai ba da wutar lantarki ga kaya, ɗayan kuma za a adana shi ta hanyar sarrafawa. Hakanan za'a iya amfani da tsarin ajiyar makamashi don cimma matsaya kololuwa da kwari da yanayin sarrafa buƙatun don inganta tsarin ribar tsarin.

A matsayin sabon yanayin aikace-aikacen makamashi mai tsabta, tsarin adana makamashi mai haɗin grid na hotovoltaic ya sami kulawa sosai a sabuwar kasuwar makamashi ta kasar Sin. Tsarin ya haɗu da samar da wutar lantarki na photovoltaic, na'urar ajiyar makamashi da kuma wutar lantarki ta AC don yin amfani da makamashi mai tsabta. Yana da fa'idodi masu zuwa:

1. Inganta ƙimar amfani da wutar lantarki na photovoltaic: Ƙarfin wutar lantarki na photovoltaic yana tasiri sosai ta hanyar yanayi da yanayin yanki, kuma yana da sauƙi ga sauyin wutar lantarki. Ta hanyar na'urar ajiyar makamashi, ƙarfin fitarwa na samar da wutar lantarki na photovoltaic za a iya daidaitawa kuma ana iya rage tasirin tasirin wutar lantarki akan grid. A lokaci guda, na'urar ajiyar makamashi na iya samar da makamashi don grid a ƙarƙashin ƙananan yanayin haske, inganta yawan amfani da wutar lantarki na photovoltaic.
2. Haɓaka kwanciyar hankali na grid ɗin wutar lantarki: photovoltaic grid-haɗin makamashi tsarin ajiya na iya gane ainihin lokacin sa ido da ka'ida na wutar lantarki grid, da kuma inganta aiki da kwanciyar hankali na wutar lantarki. Lokacin da grid ɗin wutar lantarki ya canza, na'urar ajiyar makamashi na iya amsawa da sauri don samarwa ko ɗaukar ƙarfin da ya wuce kima don tabbatar da ingantaccen aiki na grid ɗin wutar lantarki.
3. Haɓaka sabon amfani da makamashi: A cikin yanayin ci gaba da sauri na photovoltaic, wutar lantarki da sauran sababbin makamashi, matsalar amfani da ita tana ƙara karuwa. Tsarin grid da aka haɗa da tsarin ajiyar makamashi na photovoltaic zai iya inganta damar samun dama da matakin amfani da sabon makamashi da kuma rage matsa lamba mafi girma na wutar lantarki. Za'a iya samun ingantaccen fitarwa na sabon ƙarfin makamashi ta hanyar aika na'urar ajiyar makamashi.

4. Yanayin aikace-aikacen tsarin ajiyar makamashi na micro-grid

A matsayin na'urar ajiyar makamashi mai mahimmanci, tsarin ajiyar makamashi na micro-grid yana taka muhimmiyar rawa wajen bunkasa sabon tsarin makamashi da wutar lantarki a kasarmu. Tare da ci gaban kimiyya da fasaha da kuma yaɗawar makamashi mai sabuntawa, yanayin aikace-aikacen tsarin ajiyar makamashi na micro-grid yana ci gaba da faɗaɗa, musamman gami da abubuwa biyu masu zuwa:

1. Rarraba samar da wutar lantarki da tsarin ajiyar makamashi:Rarraba wutar lantarki yana nufin kafa ƙananan kayan aikin samar da wutar lantarki a kusa da gefen masu amfani, kamar hasken rana photovoltaic, makamashin iska, da dai sauransu, ta hanyar tsarin ajiyar makamashi don adana yawan wutar lantarki don samar da wutar lantarki a lokacin kololuwar lokaci ko gazawar grid.
2. Micro-grid madadin wutar lantarki:a cikin yankuna masu nisa da tsibirai, grid ɗin wutar lantarki yana da wahalar haɗawa zuwa grid, ana iya amfani da tsarin ajiyar makamashi na micro-grid azaman madaidaicin wutar lantarki ga madaidaicin wutar lantarki na gida.

Tare da halayen haɓakar makamashi da yawa, microgrid na iya cikawa da inganci ta danna yuwuwar makamashi mai tsafta da aka rarraba, rage abubuwan da ba su da kyau kamar ƙarancin ƙarfi, ƙarancin wutar lantarki da ƙarancin amincin samar da wutar lantarki mai zaman kansa, da tabbatar da amintaccen aiki na grid ɗin wutar lantarki. , wanda shine ƙarin amfani ga babban grid na wutar lantarki. Microgrid yana da yanayin aikace-aikacen mafi sassauƙa, sikelin sa na iya kasancewa daga ƴan kilowatts zuwa dubun megawatts, kewayon aikace-aikace.

Yanayin aikace-aikacen na ajiyar makamashi na hotovoltaic yana da wadata da bambanta, yana rufe nau'i-nau'i da yawa kamar kashe-grid, grid-connected da micro-grid. A aikace, kowane nau'i na yanayin yana da nasa fa'idodi da halaye, yana ba masu amfani da ƙarfi da ƙarfi mai ƙarfi mai ƙarfi. Tare da ci gaba da ci gaba da haɓaka fasahar hoto da kuma rage farashin, ajiyar makamashi na photovoltaic zai taka muhimmiyar rawa a cikin tsarin makamashi na gaba. A sa'i daya kuma, haɓakawa da aiwatar da al'amura daban-daban kuma suna ba da gudummawa ga saurin bunƙasa sabbin masana'antun makamashi na kasar Sin, wanda ke ba da damar sauye-sauyen makamashi da samar da koren amfani.

"PaiduSolar" wani tsari ne na bincike na photovoltaic na hasken rana, haɓakawa, samarwa, tallace-tallace a ɗaya daga cikin manyan masana'antun fasaha, da kuma "aikin photovoltaic na hasken rana na kasa yana da kyakkyawan kamfani". Babbanmasu amfani da hasken rana,hasken rana inverters,makamashi ajiyada sauran nau'ikan kayan aikin hoto, an fitar da su zuwa Turai, Amurka, Jamus, Australia, Italiya, Indiya, kudu maso gabashin Asiya da sauran ƙasashe da yankuna.