EN
Wani masu amfani na fasiliti a wani al’ummar da karama na parkin na al’ummar a Najeriyar Kudu ya sanya 40 chargers a cikin uku lokaci. A cikin shida shekara, kusursun voltage a biyu na lokaci sun haifar da cuta na circuit breakers a lokacin da chargers suka fiye, yana nufin fuskanci na EV drivers kuma yana gudanar da abin da ke baiwa masu amfani. Bayanin bayanin da aka samu ne daga sistema na power distribution na lokaci — wanda aka raba ta hanyar da ba’a sanya high-power EV loads a cikin load calculation. Wani charger yana da tsarin da ke cikin karamar da ke da shi, kuma fahimtar teknolijin da suka haifar da modern charging development yana da mahimmanci ga kowanne mai baiwa a EV infrastructure.
Power Distribution da Grid Integration
Smart Load Management da Dynamic Power Allocation
Ba wai kawai ana amfani da na'urar caji ba a duk lokacin da aka haɗa mota. Tsarin kula da kaya mai hankali yana ci gaba da lura da yawan buƙatun shafin kuma yana rarraba damar da ake da ita ta hanyar haɗin kai. Lokacin da mai canzawa na wani shafin ya kusanci ƙarfinsa, tsarin yana ƙaddamar da fitarwa na caji na mutum maimakon kunna kariya ta sama wani fasali wanda ya hana ainihin yanayin da mai aiki da filin ajiye motoci ya fuskanta. Rarraba wutar lantarki da ke tallafawa kayan aikin caji, kamar ƙananan ƙarfin lantarki mai ƙarancin ƙarfin lantarki na 400 zuwa 690 volts, sun haɗa da masu yankewa masu hankali tare da kayayyakin sadarwa waɗanda ke ba da rahoton ainihin lokacin halin yanzu, ƙarfin lantarki, da bayanan zafin jiki ga mai kula da shafin. Wannan bayanan yana ba da damar hasashen ɗaukar hoto: tsarin yana koyon tsarin amfani da kuma ƙaddamar da damar don lokutan ƙwanƙwasawa. Haɗawa zuwa ƙananan ƙarfin lantarki rarraba cibiyar sadarwa dole ne la'akari da harmonic distortion wanda aka gabatar ta hanyar gyaran gyare-gyare a cikin kowane cajin caji, yana buƙatar tacewa a cikin babban tashar sadarwa don kula da ingancin wutar lantarki a duk faɗin shafin.
Amsa na Safe, Kuma Isolation na Fasaha
Amsa na safe na charging pile ya fara a panel na distribution. Circuit breakers na molded case da seti na trip da ke iya canza su na amfani don amsa na short-circuit kuma overload, da suka yi amfani da current na rated na circuit na charging. Devices na residual current suna gano leakage current — wanda zai iya yin mutum ya kashe idan cable ko connector ya dace da fasaha na insulation — kuma suka cuta power a cikin milliseconds. Detection na arc fault yana nufin teknologiya ta baru wanda take sauya a lokacin da aka shiga a charging installations, saboda DC arcing a cikin connectors ko cables da suka dace zai iya tsayayawa ba tare da in trigger ga conventional overcurrent protection. Integration na waɗannan layers na protection a cikin system mai kyau — inda charging pile, distribution cabinet, kuma site controller suna communication da conditions na fasaha — ya haifar da selective isolation wanda ke cuta hanya circuit da ke fasaha ba tare da shutdown na dukkanin site.
Communication kuma Intelligence
Tushe zuwa IoT da Amilin Ɗin Remote
Kullum karamin tashin abu a cikin shugaban zamanin yau da kullun ya zama bayanin IoT, ya kuma yin tallafin ta 4G, Wi-Fi ko Ethernet da shugaban al'ada na tsarin cloud. Shugaban al'ada ya saba bayanan daga harabba ko harabbarin karamin tashin abu, ya ba masu amfani da tallafin halin yanzu, tallafin amfani, da tallafin gaba daya a lokacin da aka bayyana karamin tashin abu. Idan karamin tashin abu ya bayyana karamin tashin abu da ke ƙarƙara ko tallafin da ke ƙarƙara, masu amfani na tallafin za su iya aiki kafin masu amfani su bayyana abubuwa da ke baya. Tallafin firmware a lokacin da aka bayyana (OTA) ya ba damu da tallafin karamin tashin abu — kamar tallafin tallafin tallafin bayanin karamin tashin abu da karamin tashin abu na yau da kullun — ba ta neman wani masu amfani a wurin da aka bayyana. Open Charge Point Protocol (OCPP) ya zama shugaban al'ada na tallafin karamin tashin abu da shugaban al'ada na tsarin gaba daya, ya ba damu da tallafin karamin tashin abu daga masu amfani na farko da karamin tashin abu daga masu amfani na farko.
Masu Sabon Gaskiya
Wane karamin tashin abu na AC na yau da kullun suka yi amfani?
Za a iya amfani da AC charging piles a cikin ƙasa da kuma a cikin al'ummar da suka dace da 7 kW zuwa 22 kW, kuma suna amfani da AC supply na farko ko na uku. DC fast chargers suna bayyana 50 kW zuwa 350 kW, kuma suna bukata infrastructure na power distribution mai gaskiya da switchgear da transformer capacity da suka dace.
Yaya charging pile ta sanya magana da power grid?
Smart charging piles suna sanya magana da grid ta hanyar protocols wanda aka shigar da su a cikin site controller da power distribution system. Load management modules suna sanya data da intelligent circuit breakers da meters, wanda ke ba da capability na demand response wanda ke sauta power na charging a lokacin da grid ya dace.
Wane safety certifications suna iya amfani da charging pile installations?
IEC 61851 ya tsara sisitemu na kafa ta yadda ake saukarwa ga EVs, ya kuma shirya matakanin amfani na kafa, kabo da kankara. IEC 62196 ya bayyana tsarin kankaran da matakanin amfani na kankara. Alama na yanki kamar UL 2594 a Amurka Ta Kudu da alama na GB/T a Shina sun adda matakanin amfani na yanki.
Yaya ne kafa na kankara ta zama mahimman a cikin saukarwa na kafa?
Akwai kankara na harmoniki da ke fito a cikin tashin AC zuwa DC a kowane kafa na saukarwa wanda ya gaba da tsarin kafin yadda ake saukarwa. Kankara mai yawa na harmoniki suka haifar da kafa na kankara ta yin kafa ya dace da kafa na kankara, kafa na kankara ta yin kafa ya dace da kafa na kankara, da kafa na kankara ta yin kafa ya dace da kafa na kankara. Kankara na harmoniki na aktif da aka sauko a cikin kafa na kankara na kafa na kankara ta yin kafa ya dace da kafa na kankara.
Yaya ne kafa na kankara ta yin kafa ya dace da kafa na kankara ta yin kafa ya dace da kafa na kankara?
Karamin kira ta hanyar yin amfani da karamin kira ya zama ƙaranci a cikin wani karamin kira na elektriko. A wata kafin, kowace charger zai bukata a gudumawa don yin amfani da karamin kira ta a duniya — wanda ke nufin bukatar transformer, switchgear, da karamin kira na utility da suka saita karamin kira na bayanai da 30 zuwa 50%.
Shin chargers suna iya kuma yin amfani da solar PV da karamin kira na batiri?
Karamin kira na PV, batiri, da chargers suna kuma yin amfani da karamin kira na solar na gida da karamin kira na batiri na gida don yin amfani da chargers a lokacin rana da lokacin da karamin kira ta duniya. Wannan karamin kira ya sa karamin kira na grid ta duniya da yin amfani da chargers a lokacin da karamin kira ta duniya yanzu a lokacin da karamin kira ta duniya ta faduwa.