800V Ho tjhaja "Metheo ea ho tjhaja"
Sengoliloeng sena se bua haholo ka litlhoko tsa pele tsa qubu ea ho tjhaja 800V, qala ka ho sheba molao-motheo oa ho tjhaja: ha hlooho ea sethunya e hokahane le pheletso ea koloi, qubu ea ho tjhaja e tla fana ka ① phepelo ea motlakase e tlase ea DC koloing. Qetellong, ho kenya tšebetsong BMS (Sistimi ea Taolo ea Battery) ea koloi ea motlakase, kamora ho ts'oaroa, ② pheletso ea koloi e tla hokahana le pheletso ea qubu ho fapanyetsana litekanyo tsa mantlha tsa ho tjhaja, joalo ka matla a ho tjhaja a phahameng a koloi. pheletso le matla a phahameng a tlhahiso ea pheletso ea qubu, 'me mahlakore a mabeli a tla lumellana hantle.
Kamora ho ts'oana ka nepo, BMS (Sistimi ea Tsamaiso ea Battery) pheletsong ea koloi e tla romella tlhaiso-leseling ea tlhoko ea matla ho qubu ea ho tjhaja, 'me qubu ea ho tjhaja e tla fetola motlakase oa eona le hona joale ho latela tlhahisoleseling ena, ebe e qala ho tjhaja koloi, e leng. molao-motheo oa khokahanyo ea ho tjhaja, 'me hoa hlokahala hore re itloaetse eona pele.
800V tjhaja: "Boost voltage kapa hona joale"
Ka khopolo, re batla ho fana ka matla a ho tjhaja ho khutsufatsa nako ea ho tjhaja,hangata ho na le litsela tse 2: ebang ke ho matlafatsa betri kapa ho matlafatsa motlakase; ho latela W = Pt, haeba matla a ho tjhaja a imenne habeli, joale nako ea ho tjhaja ka tlhaho e tla ba halofo; ho ea ka P = UI, haeba motlakase kapa hona joale o imenne habeli, matla a ho tjhaja a ka imena habeli, 'me sena se 'nile sa boleloa khafetsa, seo hape se nkoang se utloahala.
Haeba hona joale ho le holimo, ho tla ba le mathata a 2, ho feta hona joale, ho hlokahala hore ho be le mohala o moholo le o moholo, o tla eketsa bophara le boima ba terata, e leng se tla eketsa litšenyehelo, 'me ka Ka nako e ts'oanang, ha ho bonolo hore basebetsi ba sebetse; Ho phaella moo, ho ea ka Q=I²Rt, haeba hona joale e phahame, tahlehelo ea matla e kholoanyane, 'me tahlehelo e bonahala ka mokhoa oa mocheso, oo hape o eketsang khatello ho tsamaiso ea mocheso, kahoo ha ho pelaelo hore keketseho ea matla a ho tjhaja ha a lakatsehe ho lemoha keketseho ya matla a ho tjhaja ka ho eketsa a hona jwale a sa kgaotse.ho eketseha ha matla a ho tjhaja ha ho lakatsehe, leha e le bakeng sa ho tjhaja kapa bakeng sa litsamaiso tsa ho khanna ka koloing.
Ha ho bapisoa le ho tjhaja ka lebelo le phahameng hona joale, ho tjhaja ka lebelo le phahameng ho hlahisa mocheso o fokolang le tahlehelo e tlase, hajoale, hoo e batlang e le likhoebo tsohle tse kholo tsa likoloi li amohetse tsela ea ho eketseha ha motlakase, tabeng ea ho tjhaja ka lebelo le phahameng, ka nako ea ho tjhaja. e ka khutsufatsoa ka 50%, 'me ntlafatso ea motlakase e ka huloa habonolo matla a ho tjhaja ho tloha ho 120KW ho isa ho 480KW.
Ho tjhaja 800V: "Voltage le hona joale li lumellana le phello ea mocheso".
Empa ho sa tsotellehe hore na u phahamisa motlakase kapa hona joale, pele ho tsohle, ha matla a hau a ho tjhaja a ntse a eketseha, mocheso oa hau o tla hlaha, empa ho phahamisa motlakase le hona joale ha pontšo ea mocheso ha e tšoane, ka potlako tšusumetso e 'ngoe ho betri ke hape hanyenyane ho feta, mocheso o batlang o lieha empa mocheso o patehileng haholoanyane moeli o ka holimo o boetse o totobetse haholoanyane. Empa ea pele e molemo ha e bapisoa.
Ha motlakase o ntse o le ka har'a motlakase ka ho hanyetsa ka tlaase, o eketsa mokhoa oa motlakase o fokotsa boholo bo hlokahalang ba cable, o ntša mocheso o fokolang, 'me o ntlafatsa hona joale ka nako e le' ngoe, sebaka sa hona joale se tsamaeang ka mahlakoreng a holimo se lebisa ho e kholoanyane e ka ntle. bophara ba cable boima, ha ka nako ea ho tjhaja mocheso o molelele o tla ntlafatsa butle-butle, ho patahane ho feta, tsela ena ea betri ke kotsi e kholoanyane.
Ho tjhaja 800V: "Ho tjhaja qubu ya mathata a mang a tobileng"
Ho tjhaja ka potlako 800V ho boetse ho na le litlhoko tse fapaneng qetellong ea qubu:
Haeba u sheba boemo ba 'mele, ha motlakase o ntse o eketseha, moralo oa boholo bo loketseng oa sesebelisoa o tla eketseha, joalo ka IEC60664 boemo ba tšilafalo ea 2 sehlopha sa lisebelisoa tse 1 tse phahameng tsa motlakase ho tloha ho 2mm ho ea ho 4mm, ho kenya ts'ebetso e tšoanang. litlhoko tsa ho hanyetsa li tla eketseha, hoo e batlang e le sebaka sa creepage le litlhoko tsa ho kenya letsoho li hlokeha ho eketseha ka ntlha ea tse peli, tse hlokang motlakase o phahameng ho moralo oa pele.
Sena se hloka moralo oa sistimi e fetileng ea motlakase ho hlophisa bocha boholo ba lisebelisoa tse amehang, ho kenyeletsoa lihokelo, mela ea koporo, manonyeletso, joalo-joalo, ntle le keketseho ea motlakase le eona e tla lebisa litlhoko tse phahameng tsa ho tima arc, tlhoko ea lisebelisoa tse ling. joalo ka li-fuse, li-box box, li-connectors, joalo-joalo, ho ntlafatsa litlhoko, litlhoko tsena li boetse li sebetsa ho moralo oa koloi.
Sistimi ea ho tjhaja e nang le matla a phahameng a 800V, joalo ka ha ho boletsoe ka holimo, e hloka ho eketsa sistimi e pholileng ea mokelikeli o kantle, moea o pholileng ka bobeli o sebetsang le o sa sebetseng o ke ke oa fihlela litlhoko tsa mohala oa sethunya sa qubu ho isa pheletsong ea koloi. tsamaiso e boetse e batla ho feta leha e le neng pele, 'me karolo ena ea mocheso oa tsamaiso mokhoa oa ho fokotsa le ho laola ho tloha boemong ba sesebelisoa le boemo ba tsamaiso ke nako e latelang ea ho ntlafatsa le ho rarolla bothata ba ntlha ea pono;
ho phaella moo, karolo ena ea mocheso hase feela mocheso o tsoang ho overcharging, empa hape le mocheso o tsoang ho overcharging, e seng eona feela karolo ea tsamaiso, empa le mocheso o tsoang ho overcharging. Hase feela mocheso o tlisoang ke ho overcharging, empa hape le mocheso o tlisoang ke lisebelisoa tsa matla a phahameng-frequency, kahoo mokhoa oa ho etsa tlhahlobo ea nako ea sebele le e tsitsitseng, e sebetsang, e bolokehileng ho tlosa mocheso ke ea bohlokoa haholo, e seng feela e nang le lintlafatso tsa thepa empa hape le ho sibolloa ha sistimi, joalo ka mocheso oa ho tjhaja ka nako ea nnete le ho beha leihlo ka nepo.
Hajoale 'marakeng DC e tjhajang qubu ea motlakase ke 400V,' me ha e khone ho tjhaja betri ea matla ka ho toba 800V, kahoo e hloka matlafatso e eketsehileng lihlahisoa tsa DCDC li tla 400V voltage ho 800V, ebe li tjhaja betri, e hlokang phetoho e phahameng ea maqhubu a phahameng, tšebeliso ea silicon carbide ho nkela sebaka sa moetlo oa IGBT ke khetho e tloaelehileng ea tsela, le hoja mochine oa silicon carbide o ka eketsa matla a tlhahiso ea qubu ea ho tjhaja, empa hape le ho eketsa matla a tlhahiso ea qubu ea ho tjhaja. Le hoja li-module tsa silicon carbide li ka eketsa matla a tlhahiso ea qubu ea ho tjhaja le ho fokotsa tahlehelo, litšenyehelo le tsona li nyoloha haholo, 'me litlhoko tsa EMC li phahame.
Akaretsa. Keketseho ea motlakase e tla ba boemong ba sistimi mme boemo ba sesebelisoa bo hloka ho ntlafatsoa, boemo ba sistimi ho kenyeletsoa sistimi ea taolo ea mocheso, sistimi ea ts'ireletso ea ho tjhaja, joalo-joalo, le boemo ba sesebelisoa ho kenyeletsoa lisebelisoa tse ling tsa makenete le lisebelisoa tsa motlakase ho ntlafala.
Nako ea poso: Jan-30-2024