Ulawulo lwe-Biden-Harris luFayile uMjikelo wokuQala we-2.5 yeebhiliyoni zeedola zokuTshaja iSibonelelo seSibonelelo soMbane
Rekhoda ikhephu e-Utah-uhambo oluninzi lwasebusika kwi-injini yam yamawele iTesla Model 3 (+ uhlaziyo lwe-FSD beta)
Rekhoda ikhephu e-Utah-uhambo oluninzi lwasebusika kwi-injini yam yamawele iTesla Model 3 (+ uhlaziyo lwe-FSD beta)
Itekhnoloji entsha yokutshaja ngaphandle kwamacingo evela kwiYunivesithi yaseChalmers inokubonelela ukuya kuthi ga kwi-500kW yamandla ngelahleko engaphantsi kwe-2%.
Abaphandi kwiYunivesithi yaseChalmers eSweden bathi baphuhlise ubuchwepheshe bokutshaja ngaphandle kwamacingo obukwazi ukutshaja iibhetri ukuya kuthi ga kwi-500 kilowatts ngaphandle kokuzidibanisa kwitshaja eneentambo. Bathi izixhobo ezitsha zokutshaja zigqityiwe kwaye zilungele ukuveliswa kochungechunge. Le teknoloji ayiyi kusetyenziselwa ukubiza izithuthi zomntu ngamnye, kodwa ingasetyenziselwa izikhephe zombane, iibhasi, okanye izithuthi ezingenabantu ezisetyenziselwa imigodi okanye kwezolimo ukuhlawulisa ngaphandle kokusebenzisa ingalo yerobhothi okanye ukudibanisa kumthombo wamandla.
U-Yujing Liu, uNjingalwazi wezobuNjineli boMbane kwiSebe lobuNjineli boMbane kwiYunivesithi yaseChalmers, ugxininise ekuguquleni amandla avuselelekayo kunye nokufakelwa kombane kweenkqubo zokuthutha. “I-marina inokuba nenkqubo eyakhelweyo ukuhlawulisa isikhephe kwiindawo ezithile zokumisa xa abakhweli behla okanye bephuma enqanaweni. I-automatic kwaye izimeleyo ngokupheleleyo kwimozulu kunye nomoya, inkqubo inokuhlawuliswa amaxesha angama-30 ukuya kuma-40 ngosuku. Iilori zombane zifuna ukutshaja kwamandla aphezulu. iintambo zokutshaja zinokuba ngqindilili kwaye zibenzima kwaye kube nzima ukuzibamba.”
U-Liu uthe uphuhliso olukhawulezileyo lwamacandelo athile kunye nezixhobo kule minyaka yamva nje luvule ithuba lokutshaja okutsha. "Eyona nto iphambili kukuba ngoku sinokufikelela kwi-silicon carbide semiconductors yamandla aphezulu, into ebizwa ngokuba yi-SiC components. Ngokubhekiselele kumbane wamandla, sele bekwimarike iminyaka embalwa. Basivumela ukuba sisebenzise amandla ombane aphezulu, amaqondo obushushu aphezulu kunye namaxesha okutshintsha okuphezulu, ”utshilo. Oku kubalulekile kuba i-frequency ye-magnetic field inciphisa amandla anokuthi adluliselwe phakathi kweekhoyili ezimbini zobukhulu obunikiweyo.
"Iinkqubo zokutshaja ngaphandle kwamacingo zangaphambili kwizithuthi ezisebenzisa i-frequencies malunga ne-20kHz, njengee-oveni eziqhelekileyo. Baye baba bulky kwaye ukuhanjiswa kwamandla kwakungasebenzi kakuhle. Ngoku sisebenza kwiifrikhwensi eziphindwe kane ngaphezulu. Emva koko ukufundiswa ngequbuliso kwaba nomtsalane,” ucacise watsho uLiu. Wongezelela ukuba iqela lakhe lophando ligcina ubudlelwane obusondeleyo kunye nabavelisi ababini abahamba phambili behlabathi beemodyuli zeSiC, enye e-US kunye enye eJamani.
Ngabo, uphuhliso olukhawulezayo lweemveliso luya kujoliswa kumaza aphezulu, amandla ombane kunye neziphumo. Rhoqo kwiminyaka emibini okanye emithathu, iinguqulelo ezintsha ziya kuqaliswa ezinyamezelayo. Ezi ntlobo zamacandelo zizinto ezibalulekileyo, kukho uluhlu olubanzi lwezicelo kwizithuthi zombane, hayi nje ukutshaja inductive. ” “.
Olunye ufezekiso lwakutsha nje lwetekhnoloji lubandakanya iingcingo zobhedu kwiikhoyili ezithumela ngokulandelelanayo kwaye zifumane imagnethi ejikelezayo eyenza ibhulorho ebonakalayo yokuhamba kwamandla ukunqumla isithuba somoya. Injongo apha kukusebenzisa awona maza aphakamileyo anokwenzeka. Emva koko ayisebenzi ngeekhoyili ezirhangqwe ngocingo oluqhelekileyo lobhedu. Oku kubangela ilahleko enkulu kakhulu kumaza aphezulu, ”utshilo uLiu.
Endaweni yoko, iikhoyili ngoku ziquka "iintambo zobhedu" eziphothiweyo ezenziwe nge-10,000 zemicu yobhedu kuphela i-70 ukuya kwi-100 microns ubukhulu - malunga nobukhulu beenwele zomntu. Oku kubizwa ngokuba yi-litz wire braids, efanelekileyo kwimisinga ephezulu kunye nee-frequencies eziphezulu, nazo zivele kutshanje. Umzekelo wesithathu weteknoloji entsha eyenza ukutshaja okunamandla okungenazintambo luhlobo olutsha lwe-capacitor olwandisa amandla asebenzayo afunekayo kwikhoyili ukudala indawo enamandla ngokwaneleyo yamagnetic.
U-Liu ugxininise ukuba ukutshaja izithuthi zombane kufuna ukuguqulwa okuphindaphindiweyo phakathi kwe-DC kunye ne-AC, kunye naphakathi kwamanqanaba ombane ohlukeneyo. Ke xa sisithi sifezekise ukusebenza kakuhle kweepesenti ezingama-98 ukusuka kwisikhululo sokutshaja ukuya kwibhetri, elo nani alinamsebenzi kangako ngaphandle kokuba ucacelwe ngento ometayo. Kodwa unokuthetha okufanayo. , Nokuba uyasebenzisa na Ilahleko iyenzeka nokuba kutshajiswa ngendlela eqhelekileyo okanye ngokutshaja ngendlela eyiyo. Ukusebenza kakuhle esikuzuzileyo ngoku kuthetha ukuba ilahleko ekutshajisweni kwe-inductive ingaphantse ibe sezantsi njengakwinkqubo yokutshaja eqhutywayo. Umahluko mncinane kangangokuba xa usenza umsebenzi awukho nto, malunga nesinye okanye ezimbini ekhulwini.”
Abafundi beClecTechnica bayayithanda i-specs, ke nantsi into esiyaziyo kwi-Electrive. Iqela lophando likaChalmers lithi inkqubo yokutshaja ngaphandle kwamacingo isebenza ngama-98 epesenti kwaye iyakwazi ukuhambisa ukuya kuthi ga kwi-500kW yangoku ngokuthe ngqo kwisikwere seemitha ezimbini kunye ne-15cm yomsantsa womoya phakathi komhlaba kunye neepads ezisebhodini. Oku kuhambelana nelahleko ye-10 kW kuphela okanye i-2% yamandla okutshaja akwithiyori.
U-Liu unethemba ngobu buchwepheshe butsha bokutshaja ngaphandle kwamacingo. Umzekelo, akacingi ukuba iya kuthatha indawo yendlela esibiza ngayo iimoto zombane. “Ndiziqhubela ngokwam imoto yombane, kwaye andiqondi ukuba ukutshajiswa kwe-inductive kuya kwenza nawuphi na umahluko kwixesha elizayo. Ndiqhuba ndisiya ekhaya, ndiyifake ... akukho ngxaki. ” kwiintambo. "Mhlawumbi akufanele kuxoxwe ukuba itekhnoloji ngokwayo izinzileyo. Kodwa ingenza kube lula ukufaka umbane kwiimoto ezinkulu, nto leyo enokukhawulezisa ukuphuma kwezinto ezifana nezikhitshane ezisebenza ngedizili,” utshilo.
Ukutshaja imoto kwahluke kakhulu ekubizeni isikhephe, inqwelomoya, uloliwe, okanye isixhobo sokulawula ioli. Iimoto ezininzi zipakwe 95% yexesha. Uninzi lwezixhobo zoshishino zikwinkonzo rhoqo kwaye azikwazi kulinda ukuba zitshajwe. U-Liu ubona izibonelelo zetekhnoloji entsha yokutshaja kwezi meko zorhwebo. Akukho mntu ufuna ngokwenene ukubiza i-500 kW imoto yombane kwigaraji.
Ujoliso kolu phononongo alukho ekutshajisweni ngaphandle kwamacingo ngokwe-se, kodwa kwindlela ubuchwephesha obuqhubeka ngayo nokuzisa iindlela ezintsha, ezingabizi mali ininzi, nezisebenzayo ngakumbi zokwenza izinto ezinokukhawulezisa uguqulo lwezithuthi zombane. Yicinge njengomhla wePC, xa umatshini wamva nowona mkhulu wawuphelelwe lixesha ngaphambi kokuba ugoduke usuka kwisiXeko seSekethe. (Uyabakhumbula?) Namhlanje, iimoto zombane zifumana ukuqhuma okufanayo kokudala. Intle kangaka into!
USteve ubhala malunga nobudlelwane phakathi kwetekhnoloji kunye nokuzinza ukusuka kwikhaya lakhe eFlorida okanye naphi na apho uMkhosi amthatha khona. Uzidla ngokuba “uvukile” kwaye akakhathali nokuba kutheni iglasi yophuka. Uyakukholelwa oko uSocrates wakuthethayo kwiminyaka engama-3 000 eyadlulayo: “Imfihlelo yotshintsho kukujolisa onke amandla akho ekudaleni izinto ezintsha, kungekhona ukulwa nezindala.”
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Ixesha lokuposa: Mar-16-2023