Boma la Biden-Harris Lakhazikitsa Dongosolo Loyamba la $ 2.5 Biliyoni Yamagetsi Oyendetsera Galimoto Yamagetsi
Jambulani kugwa kwa chipale chofewa ku Utah - zochitika zambiri zachisanu pa injini yanga yamapasa ya Tesla Model 3 (+ FSD beta update)
Jambulani kugwa kwa chipale chofewa ku Utah - zochitika zambiri zachisanu pa injini yanga yamapasa ya Tesla Model 3 (+ FSD beta update)
Ukadaulo watsopano wopangira ma waya opanda zingwe kuchokera ku Yunivesite ya Chalmers utha kupereka mphamvu zofikira 500kW ndikutayika kosakwana 2%.
Akatswiri ofufuza pa yunivesite ya Chalmers ku Sweden ati apanga ukadaulo wochartsa opanda zingwe womwe ungathe kulipiritsa mabatire mpaka ma kilowati 500 popanda kuwalumikiza ku charger yokhala ndi zingwe. Akuti zida zolipiritsa zatsopano zatha ndipo zakonzeka kupanga mndandanda. Ukadaulowu sudzagwiritsidwa ntchito kulipiritsa magalimoto onyamula anthu, koma utha kugwiritsidwa ntchito m'mabwato amagetsi, mabasi, kapena magalimoto opanda anthu omwe amagwiritsidwa ntchito mumigodi kapena ulimi kulipiritsa popanda kugwiritsa ntchito mkono wa robotiki kapena kulumikizana ndi gwero lamagetsi.
Yujing Liu, Pulofesa wa Electrical Engineering mu dipatimenti ya Electrical Engineering ku yunivesite ya Chalmers, akuyang'ana kwambiri kutembenuka kwa mphamvu zongowonjezwdwa komanso kuyika magetsi pamakina oyendera. "Sitimayo imatha kukhala ndi njira yoti azilipiritsa boti pamalo ena pomwe okwera akukwera ndi kutsika m'sitimayo. Makinawa komanso osadalira nyengo ndi mphepo, makinawo amatha kulipiritsa 30 mpaka 40 patsiku. Magalimoto amagetsi amafunikira magetsi okwera kwambiri. zingwe zotchaja zimatha kukhala zokhuthala komanso zolemera komanso zovuta kuzigwira.”
Liu adati kutukuka kwachangu kwazinthu zina ndi zida mzaka zaposachedwa kwatsegula chitseko cha kuthekera kwatsopano. "Chofunika kwambiri ndichakuti tsopano tili ndi mwayi wopeza ma semiconductors amphamvu kwambiri a silicon carbide, omwe amatchedwa zida za SiC. Pankhani yamagetsi amagetsi, akhala pamsika kwa zaka zingapo zokha. Amatilola kugwiritsa ntchito ma voltages okwera kwambiri, kutentha kwambiri komanso ma frequency osinthira, "adatero. Izi ndizofunikira chifukwa kuchuluka kwa maginito kumachepetsa mphamvu yomwe imatha kusamutsidwa pakati pa ma koyilo awiri a kukula kwake.
"Makina am'mbuyomu opanda zingwe amagalimoto omwe ankagwiritsa ntchito pafupipafupi 20kHz, monga ma uvuni wamba. Iwo anakhala bulky ndi kusamutsa mphamvu sanali ifficient. Tsopano tikugwira ntchito pa ma frequency kuwirikiza kanayi. Kenako kudzoza mwadzidzidzi kudakhala kokongola, "adafotokoza Liu. Ananenanso kuti gulu lake lofufuza limasunga ubale wapamtima ndi awiri mwa opanga ma module a SiC padziko lonse lapansi, amodzi ku US ndi amodzi ku Germany.
"Ndi iwo, kukula kwachangu kwazinthu kudzalunjikitsidwa kumayendedwe apamwamba, ma voltages ndi zotsatira zake. Zaka ziwiri kapena zitatu zilizonse, matembenuzidwe atsopano adzayambitsidwa omwe amakhala ololera. Mitundu yazigawozi ndizofunikira kwambiri, pali njira zingapo zogwiritsira ntchito magalimoto amagetsi, osati kungothamangitsa ma inductive. ” “.
Kupita patsogolo kwina kwaukadaulo kwaposachedwa kumakhudza mawaya amkuwa omwe amazungulirana ndi ma koyilo omwe amatumiza ndikulandila mphamvu ya maginito yomwe imapanga mlatho woti mphamvu ziziyenda pakadutsa mpweya. Cholinga apa ndikugwiritsa ntchito maulendo apamwamba kwambiri. “Kenako sizigwira ntchito ndi zopota zozunguliridwa ndi waya wamkuwa wamba. Izi zimabweretsa kutayika kwakukulu pama frequency apamwamba, "adatero Liu.
M'malo mwake, zingwezo tsopano zili ndi "zingwe zamkuwa" zolukidwa zopangidwa ndi ulusi wamkuwa wokwana 10,000 wokhuthala ma microns 70 mpaka 100 - pafupifupi kukula kwa tsitsi la munthu. Zomwe zimatchedwa litz wire braids, zoyenera mafunde apamwamba ndi maulendo apamwamba, zawonekeranso posachedwa. Chitsanzo chachitatu cha ukadaulo watsopano womwe umathandizira kuyitanitsa opanda zingwe ndi mtundu watsopano wa capacitor womwe umawonjezera mphamvu yokhazikika yofunikira ndi koyilo kuti ipange mphamvu yokwanira ya maginito.
Liu adanenetsa kuti kulipiritsa magalimoto amagetsi kumafuna masinthidwe angapo pakati pa DC ndi AC, komanso pakati pamitundu yosiyanasiyana yamagetsi. "Ndiye tikamanena kuti takwanitsa 98 peresenti kuchokera ku DC pamalo othamangitsira mpaka batire, nambalayo mwina ilibe kanthu pokhapokha mutadziwa bwino zomwe mukuyezera. Koma inu mukhoza kunena chimodzimodzi. , Kaya mumagwiritsa ntchito Zotayika zimachitika ndi ma conductive charging wamba kapena ndi inductive charger. Kuchita bwino komwe tapeza tsopano kukutanthauza kuti kutayika kwa inductive charger kumatha kukhala kocheperako ngati kumayendera ma conductive charging. Kusiyanako n’kochepa kwambiri moti m’zochita zake n’kosafunika kwenikweni, pafupifupi munthu mmodzi kapena awiri pa zana.”
Owerenga a CleanTechnica amakonda zofotokozera, ndiye izi ndi zomwe tikudziwa kuchokera ku Electrive. Gulu lofufuza la a Chalmers lati makina opangira ma waya opanda zingwe ndi othandiza pa 98 peresenti ndipo amatha kutulutsa mphamvu yofikira 500kW mwachindunji pa masikweya mita imodzi ndi kusiyana kwa mpweya wa 15cm pakati pa nthaka ndi mapadi apansi. Izi zikufanana ndi kutayika kwa 10 kW kapena 2% ya mphamvu yowerengera pazipita.
Liu ali ndi chiyembekezo chaukadaulo watsopanowu wopangira ma waya. Mwachitsanzo, sakuganiza kuti zingalowe m'malo mwa momwe timalipiritsa magalimoto amagetsi. "Ndimayendetsa ndekha galimoto yamagetsi, ndipo sindikuganiza kuti kuyitanitsa kungapangitse kusiyana kulikonse m'tsogolomu. Ndikupita kunyumba, ndikuyiyika ... palibe vuto. ”… pa zingwe. "Mwina siziyenera kutsutsidwa kuti ukadaulo womwewo ndiwokhazikika. Koma zikhoza kupangitsa kuti magalimoto akuluakulu azikwera mosavuta, zomwe zingapangitse kuti zinthu zisamayende bwino monga mabwato oyendera dizilo,” adatero.
Kulipiritsa galimoto n'kosiyana kwambiri ndi kulipiritsa boti, ndege, sitima, kapena makina opangira mafuta. Magalimoto ambiri amaimitsidwa 95% ya nthawiyo. Zida zambiri zamabizinesi zimagwira ntchito nthawi zonse ndipo sizingadikire kuti ziwonjezeredwe. Liu amawona ubwino waukadaulo watsopano wolipiritsa pazamalondazi. Palibe amene amafunikira kulipiritsa galimoto yamagetsi ya 500 kW m'garaji.
Cholinga cha phunziroli sichili pa kulipiritsa opanda zingwe pa se, koma momwe teknoloji ikupitirizira kubweretsa njira zatsopano, zotsika mtengo, komanso zogwira mtima kwambiri zochitira zinthu zomwe zingathe kufulumizitsa kusintha kwa galimoto yamagetsi. Ganizilani izi ngati nthawi yopambana ya PC, pomwe makina aposachedwa kwambiri adatha ntchito musanabwere kunyumba kuchokera ku Circuit City. (Mukuwakumbukira?) Masiku ano, magalimoto amagetsi akukumana ndi kuphulika kofananako kwachidziwitso. Chinthu chokongola chotero!
Steve akulemba za ubale pakati pa ukadaulo ndi kukhazikika kwawo ku Florida kapena kulikonse komwe Mphamvu imamutengera. Amanyadira kukhala “wogalamuka” ndipo samasamala chifukwa chomwe galasilo likusweka. Iye amakhulupirira zimene Socrates ananena zaka 3,000 zapitazo: “Chinsinsi cha kusintha ndicho kuika nyonga yanu yonse pakupanga zatsopano, osati kulimbana ndi zakale.”
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Nthawi yotumiza: Mar-16-2023