Ngokuthuthuka okuthuthukayo kwemboni yezimoto zamandla amasha, inqwaba yokushaja i-DC, njengesikhungo esibalulekile sokushajwa ngokushesha kwezimoto zikagesi, kancane kancane ithatha isikhundla esibalulekile emakethe, futhi.I-BeiHai Power(I-China), njengelungu lomkhakha omusha wezamandla, nayo yenza igalelo elibalulekile ekwandiseni nasekukhuthazeni amandla amasha. Kulesi sihloko, sizonaba ngezinqwaba zokushaja ze-DC ngokobuchwepheshe bohlelo lokusebenza, isimiso sokusebenza, amandla okushaja, ukwakheka kwezigaba, izimo zokusetshenziswa nezici.
Ukusetshenziswa kobuchwepheshe
Inqwaba yokushaja ye-DC (okubizwa ngokuthi inqwaba yokushaja ye-DC) isebenzisa ubuchwepheshe be-elekthronikhi bamandla athuthukile, futhi umnyombo wayo ungaphakathi kwe-inverter. Umnyombo we-inverter yi-inverter yangaphakathi, engaguqula kahle amandla e-AC ukusuka kugridi yamandla ibe amandla e-DC futhi iwanikeze ngokuqondile ebhethri yemoto kagesi ukuze ishajwe. Le nqubo yokuguqula yenziwa ngaphakathi kokushaja, igwema ukulahlekelwa ukuguqulwa kwamandla yi-EV on-board inverter, okuthuthukisa kakhulu ukusebenza kahle kokushaja. Ngaphezu kwalokho, iposi yokushaja ye-DC ifakwe isistimu yokulawula ehlakaniphile elungisa ngokuzenzakalelayo ukushaja kwamanje kanye ne-voltage ngokuya ngesimo sesikhathi sangempela sebhethri, iqinisekisa inqubo yokushaja ephephile nephumelelayo.
Isimiso Sokusebenza
Umgomo wokusebenza wenqwaba yokushaja ye-DC ikakhulukazi uhilela izici ezintathu: ukuguqulwa kwamandla, ukulawula kwamanje nokuphathwa kokuxhumana:
Ukuguqulwa kwamandla:Inqwaba yokushaja ye-DC okokuqala idinga ukuguqula amandla e-AC abe amandla e-DC, atholwa isilungisi sangaphakathi. Isilungisi sivamise ukusebenzisa isifunda sokulungisa ibhuloho, esakhiwe ama-diode amane, futhi singaguqula amahafu angemahle naphozithivu wamandla we-AC abe amandla e-DC ngokulandelanayo.
Ukulawula kwamanje:Amashaja e-DC adinga ukulawula amandla okushaja ukuze aqinisekise ukuphepha nokusebenza kahle kwenqubo yokushaja. Ukulawula kwamanje kwenziwa yisilawuli sokushaja ngaphakathi kwenqwaba yokushaja, engashintsha ngamandla usayizi wamanje wokushaja ngokuya ngesidingo semoto kagesi kanye nomthamo wenqwaba yokushaja.
Ukuphathwa kokuxhumana:Izinqwaba zokushaja ze-DC ngokuvamile zinomsebenzi wokuxhumana nemoto kagesi ukuze kuqashelwe ukuphathwa nokuqapha inqubo yokushaja. Ukuphathwa kokuxhumana kubonakala ngokusebenzisa imojula yokuxhumana ngaphakathi kwenqwaba yokushaja, engakwazi ukwenza ukuxhumana okubili nemoto kagesi, okuhlanganisa ukuthumela imiyalo yokushaja kusuka enqwabeni yokushaja emotweni kagesi kanye nokuthola ulwazi lwesimo semoto kagesi.
Amandla okushaja
Izinqwaba zokushaja ze-DC zaziwa ngamandla azo aphezulu wokushaja. Kunezinhlobonhlobo zeAmashaja e-DCemakethe, 40kW, 60kW, 120kW, 160kW ngisho 240kW. Lawa mashaja anamandla aphezulu akwazi ukugcwalisa ngokushesha izimoto zikagesi ngesikhathi esifushane, ehlisa kakhulu isikhathi sokushaja. Isibonelo, indawo yokushaja ye-DC enamandla angu-100kW, ngaphansi kwezimo ezikahle, ingashaja ibhethri lemoto kagesi ukuze ligcwale cishe isigamu sehora kuya kwehora. Ubuchwepheshe bokushaja okungaphezulu bukhuphula amandla okushaja abe ngaphezu kuka-200kW, kuphinde kufinyeze isikhathi sokushaja futhi kulethe lula kakhulu kubasebenzisi bezimoto zikagesi.
Ukuhlukanisa kanye Nesakhiwo
Izinqwaba zokushaja ze-DC zingahlukaniswa ngobukhulu obuhlukahlukene, njengosayizi wamandla, inombolo yezibhamu ezishajayo, ifomu lesakhiwo kanye nendlela yokufaka.
Isakhiwo senqwaba yokushaja:Izinqwaba zokushaja ze-DC zingahlukaniswa zibe yinqwaba yokushaja ehlanganisiwe ye-DC futhi ihlukanise inqwaba yokushaja ye-DC.
Amazinga wesikhungo sokushaja:ingahlukaniswa ngokwejwayelekile yaseShayina:I-GB/T; Izinga laseYurophu: I-IEC (I-International Electrotechnical Commission); Izinga lase-US: I-SAE (Society of Automotive Engineers of United States); I-Japanese Standard: CHAdeMO (Japan).
Izigaba zokushaja izibhamu:ngokwenani lezibhamu zeshaja zenqwaba yokushaja zingahlukaniswa zibe isibhamu esisodwa, izibhamu ezimbili, izibhamu ezintathu, futhi zingenziwa ngokwezifiso ngokusho kwesidingo sangempela.
Ukwakheka kwesakhiwo sangaphakathi sokushaja okuthunyelwe:Ingxenye kagesi yeIposi lokushaja le-DCiqukethe isifunda sokuqala kanye nesekhethi yesibili. Okokufaka kwesekhethi eyinhloko amandla e-AC ezigaba ezintathu, aguqulwa abe amandla e-DC amukelekayo ebhethrini ngemojula yokushaja (imojula yokulungisa kabusha) ngemva kokufaka i-circuit breaker kanye ne-AC smart meter, bese ixhunywa ku-fuse nesibhamu seshaja ukuze ishaje imoto kagesi. Isifunda sesibili siqukethe isilawuli senqwaba eshajayo, isifundi sekhadi, isikrini sokubonisa, imitha ye-DC, njll. Ihlinzeka ngesilawuli 'sokuqalisa' nokusebenza 'sokumisa okuphuthumayo', kanye nemishini yokusebenzisana nomshini womuntu njengokukhanya kwesignali nesikrini sokubonisa.
I-Scenario Yokusetshenziswa
DC ukushaja izinqwabaasetshenziswa kakhulu ezindaweni ezahlukahlukene ezidinga ukugcwaliswa kabusha kukagesi ngokushesha ngenxa yezimpawu zokushaja ngokushesha. Emkhakheni wezokuthutha zomphakathi, njengamabhasi edolobha, amatekisi nezinye izimoto ezihamba phambili ezihamba phambili, izimoto ezihamba phambili, inqwaba yokushaja ye-DC inikeza isisombululo esithembekile sokushaja okusheshayo. Ezindaweni zesevisi yomgwaqo onguthelawayeka, izinxanxathela zezitolo ezinkulu, izindawo zokupaka izimoto zomphakathi kanye nezinye izindawo zomphakathi, izinqwaba zokushaja ze-DC nazo zihlinzeka ngezinsizakalo ezilula zokushaja kubasebenzisi bezimoto zikagesi ezidlulayo. Ngaphezu kwalokho, izinqwaba zokushaja ze-DC zivame ukufakwa ezindaweni ezikhethekile ezifana namapaki ezimboni kanye namapaki okuthutha ukuze kuhlangatshezwane nezidingo zokushaja zezimoto ezikhethekile epaki. Ngokuduma kwezimoto zamandla amasha, izindawo zokuhlala nazo seziqale kancane kancane ukufaka izinqwaba zokushaja i-DC ukuze zinikeze ukushaja kwezimoto zikagesi zabahlali.
Izici
Ukusebenza kahle okuphezulu kanye nesivinini: Ukuguqulwa kwamandla kwenqwaba yokushaja kwe-DC kuqedwa ngaphakathi kwenqwaba, kugwema ukulahlekelwa inverter esebhodini nokwenza ukushaja kusebenze kahle. Ngesikhathi esifanayo, amandla aphezulu okushaja enza izimoto zikagesi zishajwe ngokushesha ngesikhathi esifushane.
Kusebenza kakhulu: Izinqwaba zokushaja i-DC zilungele izimo ezihlukahlukene zokusetshenziswa, okuhlanganisa izithuthi zomphakathi, iziteshi ezikhethekile, izindawo zomphakathi nemiphakathi yokuhlala, njll., ukuze kuhlangatshezwane nezidingo zokushaja zabasebenzisi abahlukene.
Ihlakaniphile futhi iphephile: Izinqwaba zokushaja ze-DC ezifakwe isistimu yokulawula ehlakaniphile zingaqapha isimo sebhethri ngesikhathi sangempela futhi zilungise ngokuzenzakalelayo imingcele yokushaja ukuze kuqinisekiswe ukuphepha nokuzinza kwenqubo yokushaja.
Khuthaza ukuthuthukiswa kwezimoto zamandla amasha: ukusetshenziswa okubanzi kwenqwaba yokushaja kwe-DC kunikeza ukwesekwa okuqinile kokuduma kwezimoto zamandla amasha futhi kukhuthaze ukuthuthukiswa okusheshayo kwemboni yezimoto zamandla amasha.
Isikhathi sokuthumela: Jul-17-2024