Waɗanne canje-canje ne dandamalin 800V zai kawo?

Idan aka haɓaka tsarin motar lantarki zuwa 800V, za a ɗaga matsayin na'urorinta masu ƙarfin lantarki masu yawa daidai gwargwado, kuma za a maye gurbin inverter daga na'urorin IGBT na gargajiya zuwa na'urorin MOSFET na SiC. Farashin inverter ɗin kansa yana na biyu kawai bayan abubuwan da ke cikin batirin. Idan ka haɓaka zuwa SiC, farashin zai hau zuwa wani mataki.

Amma ga OEMs, amfani da silicon carbide gabaɗaya ba wai kawai yana la'akari da farashin na'urorin wutar lantarki ba, har ma mafi mahimmanci, canje-canjen farashin dukkan abin hawa. Saboda haka, yana da mahimmanci a sami daidaito tsakanin tanadin farashi da SiC ya kawo da kuma babban farashinsa.
Dangane da SiC, mutum na farko da ya gwada shi shine Tesla.

A shekarar 2018, Tesla ta maye gurbin kayan IGBT da kayan silicon carbide a karon farko a Model 3. A wannan matakin wutar lantarki, girman kayan silicon carbide ya fi na kayan silicon carbide ƙanƙanta sosai, kuma asarar sauyawa tana raguwa da kashi 75%. Bugu da ƙari, idan aka canza, amfani da kayan SiC maimakon kayan IGBT na iya ƙara ingancin tsarin da kusan kashi 5%.

Daga hangen farashi, farashin maye gurbin ya karu da kusan yuan 1,500. Duk da haka, saboda inganta ingancin abin hawa, ƙarfin batirin da aka sanya ya ragu, wanda hakan ya rage farashin batirin.
Ana iya ɗaukar wannan a matsayin babban caca ga Tesla. Babban adadin kasuwarsa ya daidaita farashin. Tesla kuma ya dogara da wannan babban fare don ɗaukar fasahar da kasuwar tsarin batirin 400V.
Dangane da ƙarfin lantarki na 800V, Porsche ta jagoranci samar da motar wasanni ta Taycan mai amfani da wutar lantarki mai ƙarfin lantarki mai ƙarfin 800V a shekarar 2019, inda ta fara gasar makamai don gina manyan motocin lantarki masu ƙarfin lantarki mai ƙarfin lantarki mai ƙarfin 800V.
Akwai wani abu da bai dace ba game da nazarin farashi daga mahangar Porsche. Bayan haka, yana mai da hankali kan tasirin motar alfarma kuma yana mai da hankali kan ƙimar alama.
Amma dangane da haɓaka fasaha da aikace-aikacenta, wannan babban aiki ne da ke shafar dukkan jiki. Misali, a ƙarƙashin caji mai ƙarfin lantarki mai ƙarfin lantarki 800V, dole ne a ƙara ƙarfin batirin zuwa 800V, in ba haka ba za a ƙone shi saboda babban ƙarfin caji. Bugu da ƙari, ba wai kawai ya shafi tsarin caji ba, har ma da tsarin baturi, tsarin tuƙi na lantarki, kayan haɗi masu ƙarfin lantarki da tsarin igiyar waya, wanda ke shafar farawa, tuƙi, amfani da na'urar sanyaya iska ta motar, da sauransu.

Idan kana son ƙarin bayani game da wannan, da fatan za ka iya tuntuɓar mu.
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