40kW SiC esebenza kahle kakhulu Imojuli yokushaja ye-DC EV

Imoduli yokushaja esebenza kahle kakhulu ye-SiC inamandla amakhulu njengoba isidingo sokushaja okusheshayo kwamandla kagesi sikhula Kulandela ukudlalwa kokuqala komhlaba kwePorsche kwemodeli yeplathifomu engu-800V ephezulu ye-Taycan ngoSepthemba 2019, izinkampani ezinkulu ze-EV zikhiphe amamodeli ashaja ashesha kakhulu angu-800V, njengeHyundai IONIQ, Lotus Eletre, BYD Dolphin, Audi RS e-tron GT, njll. Zonke zilethwa noma zikhiqizwa ngobuningi kule minyaka emibili. Ukushaja okusheshayo okungu-800V kuba okujwayelekile emakethe; I-CITIC Securities ibikezela ukuthi ngo-2025, inani lamamodeli ashajayo anamandla amakhulu lizofinyelela ezigidini ezingu-5.18, futhi izinga lokungena lizokhuphuka lisuka kwelamanje lingaphezu kuka-10% liye ku-34%. Lokhu kuzoba yiwona mandla okuqhuba ukukhula kwemakethe yokushaja okusheshayo kwe-high-voltage, futhi izinkampani ezikhuphuka nomfula kulindeleke ukuthi zihlomule kukho ngqo. Ngokusho kolwazi lomphakathi, imojula yokushaja iyingxenye eyinhloko yenqwaba yokushaja, ibala cishe i-50% yenani eliphelele lenqwaba yokushaja; phakathi kwabo, idivayisi yamandla e-semiconductor ibalelwa ku-30% wezindleko zemojula yokushaja, okungukuthi, i-akhawunti yemojula yamandla e-semiconductor cishe i-15% yezindleko zenqwaba yokushaja, izoba iketango labazuzi abakhulu ekuthuthukisweni kwemakethe yenqwaba yokushaja. . Njengamanje, izinto zikagesi ezisetshenziswa ekushajeni izinqwaba ikakhulukazi ama-IGBT nama-MOSFET, womabili okuyimikhiqizo esekwe ku-Si, futhi ukuthuthukiswa kwezinqwaba zokushaja ekushajweni okusheshayo kwe-DC kubeke phambili izidingo eziphakeme zamadivayisi kagesi. Ukuze kwenziwe ukushaja kwemoto ngokushesha njengokugcwalisa uphethiloli egalaji likaphethiloli, abakhiqizi bezimoto bafuna ngenkuthalo izinto ezingathuthukisa ukusebenza kahle, futhi i-silicon carbide njengamanje ingumholi. I-Silicon carbide inezinzuzo zokumelana nokushisa okuphezulu, ukumelana nokucindezela okuphezulu, amandla aphezulu, njll., okungathuthukisa ukusebenza kahle kokuguqulwa kwamandla nokunciphisa umthamo womkhiqizo. Izimoto eziningi zikagesi zisebenzisa izikimu zokushaja ze-AC, okumele kuthathe amahora ambalwa ukushaja ngokugcwele. Ukusebenzisa amandla aphezulu (afana no-30kW nangaphezulu) ukubona ukushajwa okusheshayo kwezimoto zikagesi sekuyiyona ndlela elandelayo ebalulekile yesakhiwo sokushaja izinqwaba. Naphezu kwezinzuzo ngezinqwaba zokushaja zamandla aphezulu, kuletha nezinselele eziningi, njengokuthi: isidingo sokubona imisebenzi yokushintsha imvamisa ephezulu yamandla, kanye nokushisa okukhiqizwa ukulahlekelwa kokuguqulwa. Kodwa-ke, i-SiC MOSFET kanye nemikhiqizo ye-diode inezici zokumelana ne-voltage ephezulu, ukumelana nokushisa okuphezulu, kanye nemvamisa yokushintsha ngokushesha, engasetshenziswa kahle ekushajweni kwamamojula enqwaba. Uma kuqhathaniswa namadivayisi endabuko asekelwe ku-silicon, amamojula e-silicon carbide angakhuphula amandla okukhipha izinqwaba zokushaja cishe ngo-30%, futhi anciphise ukulahlekelwa cishe ngo-50%. Ngasikhathi sinye, amadivaysi e-silicon carbide nawo angathuthukisa ukuzinza kwezinqwaba zokushaja. Ezinqwaba zokushaja, izindleko zisengenye yezinto ezibalulekile ezikhawulela ukuthuthukiswa, ngakho-ke ukuminyana kwamandla okushaja kwenqwaba kubaluleke kakhulu, futhi amadivayisi we-SiC awukhiye wokuzuza ukuminyana kwamandla aphezulu. Njengesisetshenziswa esinamandla kagesi aphezulu, esinesivinini esikhulu, nesisezingeni eliphezulu, amadivaysi e-silicon carbide enza lula ukwakheka kwesekethe ye-DC pile charging module, akhuphule izinga lamandla eyunithi, futhi akhulise ngokuphawulekayo ukuminyana kwamandla, okuvula indlela yokunciphisa ugesi. izindleko zesistimu yenqwaba yokushaja. Ngokombono wezindleko zesikhathi eside nokusebenzisa kahle, izinqwaba zokushaja zamandla aphezulu zisebenzisa amadivaysi e-SiC zizovula amathuba amakhulu ezimakethe. Ngokusho kwedatha ye-CITIC Securities, okwamanje, izinga lokungena lamadivayisi we-silicon carbide ezinqwabeni zokushaja izimoto zamandla cishe li-10% kuphela, elishiya isikhala esibanzi sezinqwaba zokushaja amandla aphezulu. Njengomphakeli ohamba phambili embonini yokushaja kwe-DC, i-MIDA Power ithuthukise futhi yakhulula umkhiqizo wemojula wokushaja onamandla amakhulu kakhulu, imojula yokuqala yokushaja yeleveli ye-IP65 enobuchwepheshe obuzimele bepayipi lomoya. Ngeqembu eliqinile le-R&D kanye nomgomo ogxile emakethe, i-MIDA Power inikele umzamo omkhulu futhi yathuthukisa ngempumelelo imojula yokushaja engu-40kW SiC esebenza kahle kakhulu. Njengoba inezinga eliphakeme elimangalisayo elisebenza kahle ngaphezu kuka-97% kanye nobubanzi bamandla kagesi okufakwayo abanzi kakhulu ukusuka ku-150VDC kuya ku-1000VDC, imojula yokushaja ye-SiC engu-40kW ihlangabezana cishe nawo wonke amazinga okufaka emhlabeni kuyilapho yonga amandla ngendlela emangalisayo. Ngokukhula okusheshayo kwenani lezinqwaba zokushaja, kukholakala ukuthi ama-SiC MOSFET, kanye nemojula yokushaja ye-MIDA Power 40kW SiC azosetshenziswa kaningi enqwabeni yokushaja edinga ukuminyana kwamandla aphezulu esikhathini esizayo.