1. Gabatarwa zuwa tari na caji DC
A cikin 'yan shekarun nan, saurin haɓakar motocin lantarki (EVs) ya haifar da buƙatar ƙarin ingantattun hanyoyin caji da hankali. Tarin cajin DC, wanda aka sani da saurin cajin su, sune kan gaba a wannan canji. Tare da ci gaba a cikin fasaha, ingantattun caja na DC yanzu an tsara su don inganta lokacin caji, inganta amfani da makamashi, da ba da haɗin kai tare da grid masu wayo.
Tare da ci gaba da haɓakar ƙarar kasuwa, aiwatar da bidirectional OBC (On-Board Chargers) ba wai kawai yana taimakawa rage damuwar mabukaci game da kewayon da cajin damuwa ta hanyar ba da damar caji da sauri ba amma kuma yana ba da damar motocin lantarki suyi aiki azaman tashoshin ajiyar makamashi da aka rarraba. Waɗannan motocin za su iya dawo da wutar lantarki zuwa grid, suna taimakawa wajen aski kololuwa da cika kwari. Ingantacciyar cajin motocin lantarki ta hanyar caja mai sauri na DC (DCFC) babban al'amari ne na haɓaka canjin makamashi mai sabuntawa. Tashoshin caji mai saurin gaske suna haɗa abubuwa daban-daban kamar kayan samar da wutar lantarki, na'urori masu auna firikwensin, sarrafa wutar lantarki, da na'urorin sadarwa. A lokaci guda, ana buƙatar hanyoyin masana'antu masu sassauƙa don biyan buƙatun caji na motocin lantarki daban-daban, ƙara haɗaɗɗiya ga ƙirar DCFC da tashoshin caji masu sauri.
Bambanci tsakanin cajin AC da cajin DC, don cajin AC (gefen hagu na Hoto 2), toshe OBC zuwa daidaitaccen madaidaicin AC, kuma OBC yana canza AC zuwa DC ɗin da ya dace don cajin baturi. Don cajin DC (gefen dama na Hoto 2), wurin caji yana cajin baturi kai tsaye.
2. DC caji tari tsarin abun da ke ciki
(1) Cikakken kayan aikin injin
(2) Abubuwan da ake buƙata na tsarin
(3) Tsarin toshe mai aiki
(4) Yin caji subsystem subsystem
Mataki na 3 (L3) DC caja masu sauri suna ƙetare cajar kan-board (OBC) na abin hawan lantarki ta hanyar yin cajin baturi kai tsaye ta Tsarin Gudanar da Baturi na EV (BMS). Wannan ketare yana haifar da haɓakar saurin caji, tare da ikon fitar da caja daga 50 kW zuwa 350 kW. Wutar lantarki na fitarwa yawanci ya bambanta tsakanin 400V da 800V, tare da sabbin EVs masu tasowa zuwa tsarin baturi 800V. Tun da caja masu sauri na L3 DC suna juyar da ƙarfin shigar AC mai hawa uku zuwa DC, suna amfani da gyare-gyaren ƙarfin wutar lantarki na AC-DC (PFC), wanda ya haɗa da keɓantaccen mai sauya DC-DC. Ana haɗa wannan fitowar PFC zuwa baturin abin hawa. Don cimma babban fitarwar wuta, ana haɗa nau'ikan wutar lantarki da yawa a layi daya. Babban fa'idar caja mai sauri na L3 DC shine raguwa mai yawa a lokacin caji don motocin lantarki
Babban tari na caji shine ainihin mai sauya AC-DC. Ya ƙunshi matakin PFC, bas na DC da module DC-DC
Shafin Farko na PFC
DC-DC module aikin toshe zane
3. Cajin tari labari makirci
(1) Tsarin caji na gani na gani
Yayin da cajin motocin lantarki ke ƙaruwa, ƙarfin rarraba wutar lantarki a tashoshin caji yakan yi ƙoƙari don biyan bukatun. Don magance wannan batu, tsarin caji na tushen ajiya yana amfani da bas ɗin DC ya fito. Wannan tsarin yana amfani da batir lithium azaman sashin ajiyar makamashi kuma yana ɗaukar EMS na gida da na nesa (Tsarin Gudanar da Makamashi) don daidaitawa da haɓaka samarwa da buƙatar wutar lantarki tsakanin grid, batir ajiya, da motocin lantarki. Bugu da ƙari, tsarin na iya haɗawa cikin sauƙi tare da tsarin photovoltaic (PV), yana ba da fa'idodi masu mahimmanci a cikin ƙimar wutar lantarki mafi kololuwa da haɓaka ƙarfin grid, don haka inganta ingantaccen makamashi gabaɗaya.
(2) V2G tsarin caji
Fasahar Mota-zuwa-Grid (V2G) tana amfani da batir EV don adana makamashi, tana tallafawa grid ɗin wuta ta hanyar ba da damar hulɗa tsakanin ababen hawa da grid. Wannan yana rage nau'in da ke haifarwa ta hanyar haɗa manyan hanyoyin samar da makamashi mai sabuntawa da yaɗuwar cajin EV, yana haɓaka kwanciyar hankali. Bugu da ƙari, a cikin yankuna kamar ƙauyukan zama da ɗakunan ofis, motocin lantarki da yawa za su iya yin amfani da fa'idar tsadar tsada da tsadar farashi, sarrafa haɓakar haɓaka mai ƙarfi, amsa buƙatun grid, da samar da wutar lantarki, duk ta hanyar EMS (Tsarin Gudanar da Makamashi) sarrafawa. Ga gidaje, Fasahar Mota-zuwa Gida (V2H) zata iya canza batir EV zuwa mafitacin ajiyar makamashi na gida.
(3) Tsarin caji da aka ba da oda
Tsarin cajin da aka ba da oda da farko yana amfani da manyan tashoshin caji mai ƙarfi, wanda ya dace don buƙatun caji mai ƙarfi kamar jigilar jama'a, tasi, da jiragen ruwa. Za'a iya keɓance jadawalin caji bisa nau'ikan abin hawa, tare da yin caji a lokacin lokutan wutar lantarki mara ƙarfi don rage farashi. Bugu da ƙari, ana iya aiwatar da tsarin gudanarwa na hankali don daidaita tsarin sarrafa jiragen ruwa na tsakiya.
4.Tsarin ci gaban gaba
(1) Haɗe-haɗe na haɓaka yanayi iri-iri wanda aka haɓaka ta hanyar tsakiya + rarraba tashoshin caji daga tashoshin caji guda ɗaya.
Tashoshin caji da aka rarraba bisa tushen inda za su yi aiki azaman ƙari mai mahimmanci ga ingantaccen hanyar caji. Ba kamar tashoshi na tsakiya ba inda masu amfani ke neman caja, waɗannan tashoshin za su haɗa kai zuwa wuraren da mutane ke ziyarta. Masu amfani za su iya cajin motocin su yayin tsawaita zama (yawanci sama da awa ɗaya), inda caji mai sauri ba shi da mahimmanci. Ƙarfin cajin waɗannan tashoshi, yawanci daga 20 zuwa 30 kW, ya isa ga motocin fasinja, yana samar da madaidaicin matakin wutar lantarki don biyan bukatun yau da kullun.
(2) 20kW babban kasuwar hannun jari zuwa 20/30/40/60kW ci gaban kasuwar daidaitawa daban-daban
Tare da matsawa zuwa manyan motocin lantarki masu ƙarfin lantarki, akwai buƙatar ƙara matsa lamba don ƙara matsakaicin ƙarfin cajin caji zuwa 1000V don ɗaukar tartsatsin amfani da ƙira mai ƙarfi na gaba. Wannan yunƙurin yana goyan bayan haɓaka kayan aikin da ake buƙata don tashoshi na caji. Ma'aunin wutar lantarki na 1000V ya sami karbuwa sosai a cikin masana'antar caji, kuma manyan masana'antun suna ci gaba da gabatar da na'urorin caji mai ƙarfi na 1000V don biyan wannan buƙatar.
An sadaukar da Linkpower don samar da R&D ciki har da software, hardware da kuma bayyanar don AC / DC abubuwan cajin abin hawa na lantarki fiye da shekaru 8. Mun sami ETL / FCC / CE / UKCA / CB / TR25 / RCM takaddun shaida. Amfani da software na OCPP1.6, mun kammala gwaji tare da masu samar da dandamali sama da 100 OCPP. Mun haɓaka OCPP1.6J zuwa OCPP2.0.1, kuma an samar da mafita na EVSE na kasuwanci tare da tsarin IEC/ISO15118, wanda shine tabbataccen mataki don gane cajin V2G bi-directional.
A nan gaba, za a samar da samfurori masu fasaha irin su cajin cajin abin hawa na lantarki, hasken rana photovoltaic, da lithium baturi makamashi tsarin ajiya (BESS) don samar da mafi girma matakin na hadedde mafita ga abokan ciniki a duniya.
Lokacin aikawa: Oktoba-17-2024