40kW SiC babban inganci DC EV Module Cajin

SiC babban ingancin cajin ƙirar yana da matuƙar yuwuwa yayin da buƙatar babban caji mai sauri yana ƙaruwa Bayan Porsche na farko na duniya na 800V high-voltage platform model Taycan a cikin Satumba 2019, manyan kamfanonin EV sun fito da nau'ikan caji mai sauri na 800V, kamar Hyundai IONIQ, Lotus Eletre, BYD Dolphin, Audi RS e-tron GT, da sauransu. Duk ana isar da su ko kuma suna da yawan amfanin ƙasa a cikin waɗannan shekaru biyu.800V mai saurin caji yana zama babban abu a kasuwa; CITIC Securities yana annabta cewa nan da shekarar 2025, adadin samfuran caji mai sauri zai kai miliyan 5.18, kuma adadin shigar zai karu daga na yanzu dan kadan sama da 10% zuwa 34%.Wannan zai zama ginshiƙan motsa jiki don haɓaka kasuwar caji mai sauri mai ƙarfi, kuma ana sa ran kamfanoni masu tasowa za su amfana kai tsaye daga gare ta. Dangane da bayanan jama'a, tsarin caji shine ainihin ɓangaren cajin cajin, yana lissafin kusan kashi 50% na jimlar kuɗin cajin;A cikin su, na'urar wutar lantarki ta semiconductor tana da kashi 30% na farashin caji, wato, ƙirar wutar lantarki ta kusan kashi 15% na kuɗin caji, za ta zama babban sarkar da za ta ci gajiyar tsarin ci gaban kasuwar caji. . A halin yanzu, na'urorin wutar lantarki da ake amfani da su wajen cajin tulin sun fi IGBTs da MOSFETs, dukkansu samfuran Si-tushen ne, kuma ci gaban cajin tararrakin zuwa cajin gaggawa na DC ya sanya manyan buƙatu don na'urorin wutar lantarki.Domin yin cajin mota da sauri kamar mai a gidan mai, masu kera motoci suna ƙwazo don neman kayan da za su iya inganta inganci, kuma silicon carbide a halin yanzu shine jagora.Silicon carbide yana da abũbuwan amfãni daga high zafin jiki juriya, high matsa lamba juriya, high iko, da dai sauransu, wanda zai iya inganta makamashi canji yadda ya dace da kuma rage samfurin girma. Yawancin motocin lantarki suna amfani da tsarin cajin AC, wanda dole ne ya ɗauki sa'o'i da yawa don caji.Yin amfani da babban ƙarfi (kamar 30kW da sama) don gane saurin cajin motocin lantarki ya zama jagora mai mahimmanci na gaba mai mahimmanci na cajin tari. Duk da fa'idodin da ke tattare da tarin caji mai ƙarfi, har ila yau yana kawo ƙalubale masu yawa, kamar: buƙatar fahimtar manyan ayyuka na sauyawa mai ƙarfi, da zafin da ke haifar da asarar tuba.Koyaya, SiC MOSFET da samfuran diode suna da halaye na juriya mai ƙarfi, juriya mai zafi, da saurin sauyawa, wanda za'a iya amfani dashi da kyau a cikin cajin tari.Idan aka kwatanta da na'urorin tushen silicon na gargajiya, na'urori na siliki na carbide na iya ƙara ƙarfin fitarwa na caji da kusan 30%, kuma rage asara da kusan 50%.A lokaci guda, na'urorin siliki carbide suma na iya haɓaka kwanciyar hankali na caja. Don cajin tari, farashi har yanzu yana ɗaya daga cikin mahimman abubuwan da ke hana haɓakawa, don haka ƙarfin ƙarfin cajin tulin yana da mahimmanci sosai, kuma na'urorin SiC sune mabuɗin samun babban ƙarfin ƙarfi.A matsayin babban ƙarfin lantarki, babban sauri, da na'ura mai girma na yanzu, na'urorin silicon carbide suna sauƙaƙe tsarin da'ira na tsarin cajin tari na DC, haɓaka matakin ƙarfin naúrar, kuma yana ƙara haɓaka ƙarfin ƙarfin, wanda ke ba da hanya don ragewa. kudin tsarin na cajin tari. Daga hangen nesa na farashi na dogon lokaci da ingantaccen amfani, tarin caji mai ƙarfi ta amfani da na'urorin SiC zai haifar da babbar dama ta kasuwa. Dangane da bayanan CITIC Securities, a halin yanzu, ƙimar shigar da na'urorin silicon carbide a cikin sabbin abubuwan cajin abin hawa makamashi kusan kashi 10% ne kawai, wanda kuma ya bar sarari mai faɗi don tarin caji mai ƙarfi. A matsayin babban mai ba da kaya a masana'antar caji na DC, MIDA Power ta haɓaka kuma ta fito da samfurin caji tare da mafi girman ƙarfin ƙarfi, matakin farko na matakin caji na IP65 tare da fasahar bututun iska mai zaman kanta.Tare da ƙungiyar R&D mai ƙarfi da ƙa'idar da ta dace da kasuwa, MIDA Power ta ba da himma sosai kuma ta sami nasarar haɓaka 40kW SiC babban ƙarfin caji.Tare da ingantaccen kololuwa mai ban sha'awa fiye da 97% da kewayon shigarwa mai faɗi mai faɗi daga 150VDC zuwa 1000VDC, ƙirar cajin 40kW SiC ya dace da kusan duk ƙa'idodin shigarwa a cikin duniya yayin da yake adana kuzari sosai.Tare da saurin haɓakar adadin adadin caji, an yi imanin cewa SiC MOSFETs, da MIDA Power 40kW SiC caji module za a ƙara yin amfani da su akai-akai wajen cajin tari wanda ke buƙatar ƙarfin ƙarfin ƙarfi a nan gaba.