Ka nts'etsopele e potlakileng ea 'maraka oa EV, liqubu tsa ho tjhaja DC li fetohile karolo ea bohlokoa ea lisebelisoa tsa ho tjhaja tsa EV ka lebaka la litšoaneleho tsa tsona,' me bohlokoa ba liteishene tsa ho tjhaja tsa DC bo ntse bo totobala le ho feta. Ha ho bapisoa le liqubu tsa ho tjhaja tsa AC,DC ho qosa liqububa khona ho fana ka matla a DC ka kotloloho ho libeteri tsa EV, ba fokotsa haholo nako ea ho tjhaja mme hangata ba tjhaja ho fihla ho liperesente tse 80 ka nako e ka tlase ho metsotso e 30. Mokhoa ona o sebetsang hantle oa ho tjhaja o etsa hore e sebelisoe haholo ho fetaAC tjhaja liqubulibakeng tse kang liteishene tsa sechaba, litsi tsa khoebo le libakeng tsa litšebeletso tsa litsela tse kholo.
Mabapi le molao-motheo oa tekheniki, qubu ea ho tjhaja ea DC haholo-holo e hlokomela phetoho ea matla a motlakase ka phepelo ea motlakase ea maqhubu a phahameng le module ea motlakase. Sebopeho sa eona sa ka hare se kenyelletsa rectifier, filter le tsamaiso ea ho laola ho netefatsa botsitso le polokeho ea tlhahiso ea hona joale. Ho sa le joalo, likarolo tse bohlale tsaDC ho qosa liqubuli ntlafatsoa butle-butle, 'me lihlahisoa tse ngata li na le li-interfaces tsa puisano tse nolofalletsang ho sebelisana ha data ka nako ea sebele le li-EV le marang-rang a matla ho ntlafatsa ts'ebetso ea ho tjhaja le ho laola tšebeliso ea matla. Profaele ea eona ea motheo ea tekheniki e kenyelletsa lintlha tse latelang:
1. Ts'ebetso ea ho lokisa: Mekotla ea ho tjhaja ea DC e na le li-rectifiers tse hahelletsoeng ho fihlela ho tjhaja ka ho fetolela matla a AC ho matla a DC. Ts'ebetso ena e kenyelletsa mosebetsi oa kopanelo oa li-diode tse ngata ho fetolela halofo ea beke e ntle le e mpe ea AC ho ea ho DC.
2. Filtering le Voltage Regulation: Matla a fetotsoeng a DC a lokisoa ke sefa ho felisa ho fetoha ha hona joale le ho netefatsa botsitso ba tlhahiso ea hona joale. Ho feta moo, motlakase oa motlakase o tla laola motlakase ho netefatsa hore motlakase o lula o le ka har'a sebaka se sireletsehileng nakong ea ho tjhaja.
3. Sistimi e bohlale ea taolo: Mekotla ea sejoale-joale ea DC e na le sistimi e bohlale ea taolo e hlokomelang boemo ba ho tjhaja ka nako ea nnete mme e fetola ka matla ho tjhaja hona joale le motlakase ho ntlafatsa ts'ebetso ea ho tjhaja le ho sireletsa betri ho isa tekanyong e phahameng.
4. Liprothokholo tsa puisano: Puisano lipakeng tsa charger ea DC le li-EV hangata e ipapisitse le liprothokholo tse emeng joalo ka IEC 61850 le ISO 15118, tse lumellang phapanyetsano ea tlhahisoleseling lipakeng tsa tjhaja le koloi, ho netefatsa polokeho le katleho ea ts'ebetso ea ho tjhaja.
Mabapi le litekanyetso tsa ho lefisa lihlahisoa tsa poso, lits'ebetso tsa DC tsa ho tjhaja li latela litekanyetso tse ngata tsa machaba le tsa naha ho netefatsa polokeho le ho lumellana. Tekanyetso ea IEC 61851 e fanoeng ke Khomishene ea Machabeng ea Electrotechnical (IEC) e fana ka tataiso mabapi le khokahano lipakeng tsa li-EV le meaho ea ho tjhaja, e koahelang likhokahano tsa motlakase le liprothokholo tsa puisano. tsa ChinaGB/T 20234 standard, ka lehlakoreng le leng, e fana ka lintlha tsa litlhoko tsa tekheniki le lintlha tsa polokeho bakeng sa qubu ea ho tjhaja. Litekanyetso tsena kaofela li laola maemo a indasteri ea tlhahiso ea qubu ea ho tjhaja le meralo ho isa bohōleng bo itseng, 'me ho isa bohōleng bo itseng, e thusa ho nts'etsapele nts'etsopele e ntle ea mmaraka bakeng sa likoloi tse ncha tsa motlakase le liindasteri tsa tsona tse tšehetsang.
Mabapi le mofuta oa lithunya tse tjhajang tsa DC tse tjhajang qubu, DC e ka aroloa ka sethunya se le seng, lithunya tse peli le qubu ea lithunya tse ngata. Liqubu tsa ho tjhaja lithunya tse le 'ngoe li loketse liteishene tse nyane tsa ho tjhaja, ha mekoa ea lithunya tse peli le lithunya tse ngata li loketse meaho e meholo ho fihlela tlhokahalo e phahameng ea tefiso. Lisebelisoa tsa ho tjhaja lithunya tse ngata li tumme haholo hobane li ka sebeletsa li-EV tse ngata ka nako e le 'ngoe, li eketsa ts'ebetso ea ho tjhaja ka mokhoa o makatsang.
Qetellong, ho na le tebello ea 'maraka oa qubu ea ho tjhaja: bokamoso ba DC ho tjhaja liqubu e tla ba le bokhoni bo bongata ha tsoelo-pele ea theknoloji le tlhoko ea mmaraka e ntse e hola. Motsoako oa li-grid tse bohlale, likoloi tse se nang mokhanni le matla a nchafalitsoeng li tla tlisa menyetla e mecha eo ho neng ho e-s'o ka e e-ba teng bakeng sa liqubu tsa ho tjhaja tsa DC. Ka nts'etsopele e tsoelang pele ea mehla ea botala, re lumela hore liqubu tsa DC tse tjhajang li ke ke tsa fa basebelisi monyetla o bonolo oa ho tjhaja feela, empa qetellong li tla kenya letsoho ntlafatsong e tsitsitseng ea tikoloho eohle ea e-mobility.
Haeba u batla ho tseba haholoanyane ka boeletsi ba seteishene sa ho tjhaja, u ka tobetsa ho:Fumana kutloisiso e qaqileng haholoanyane ea lihlahisoa tse ncha tse tloaelehileng - qubu ea ho tjhaja AC
Nako ea poso: Sep-20-2024
