Mokhoa oa ho tjhaja oa ho tjhaja ke Eng?
Mokhoa oa ho tjhaja oa ho tjhaja
Karolo ena e bonts'a molao-motheo oa ho tjhaja ka ho fana ka mehlala e arohaneng ea sebopeho sa topological sa li-circuits tsa tjhaja tse tsamaellanang le tse peli.
Unidirectional Charging Topology
Chaja e hlokomela phetoho lipakeng tsa AC le DC ka lisebelisoa tsa motlakase tsa motlakase. Ka mokhoa o ke keng oa qojoa, lisebelisoa tsa motlakase tsa motlakase li hlahisa matla a sebetsang, 'me matla a mangata a sebetsang a ka lebisa ho feto-fetoha ha matla a marang-rang, ho fokotseha ha boleng ba phepelo ea motlakase, le tahlehelo e eketsehileng ea lithapo. Karolelano ea matla a sebetsang ho matla a bonahalang a potoloho e hlalosoa e le matla a matla. Ho hatella matla a mangata a sebelisoang a fetisoang ke mosebelisi-mosebetsing oa marang-rang a motlakase, ho behiloe lithibelo tse thata bakeng sa tšebeliso ea motlakase ea lehae le ea indasteri, hangata e seng ka tlase ho 0.8~0.9. E 'ngoe ea mekhoa e amoheloang ke theknoloji ea PFC (Power Factor Correction), e ka felisang tšilafalo ea harmonic ho tloha lisebelisoa tsa motlakase tsa motlakase le ho ntlafatsa matla a ho kenya letsoho.
Theknoloji-e felletseng ea-borokho ba PFC e fana ka melemo e joalo ka sebopeho se bonolo, se sebetsang hantle haholo, le{2}}transformer ea maqhubu a holimo-e hlasimollang habeli{3}, e etsa hore e lokele{4}}lisebelisoa tsa motlakase tse phahameng. Mokhahlelo o le mong-o felletseng-mofetoleli oa PFC oa borokho o ipapisitseng le-mohaho o felletseng oa borokho o bonts'itsoe ho Setšoantšo sa 11-21. E sebetsa ka mekhahlelo e 'meli:ho tsamaisa letsoho ka hodimo le tlaseleho tsamaisa letsoho ho fapaneng. Nakong ea ho tsamaisa letsoho ka holimo le ka tlaase, hona joale ho inductor ea ho kenya e phahama. Nakong ea ho tsamaisa letsoho le fapaneng, hona joale ho inductor ea ho kenya e oela. Sistimi ea taolo e lokisa karo-karolelano (potoloho ea mosebetsi) ea nako ea ho tsamaisa letsoho e kaholimo le e tlase ka har'a potoloho ea ho tjhaja le ho lahla ea inductor ea ho kenya letsoho ho lokisa boholo ba hona joale ho inductor ea ho kenya, ho etsa hore tlhahiso ea hona joale e be leqhubu la sine ka mohato le motlakase oa ho kenya. Sena se qetella se felisa{4}likhokahano tse phahameng tsa odara tsa hajoale le ho fihlela tokiso ea matla.
Ha ho hlahlojoa mokhoa oa ho phalla ha matla, ho ka bonoa hore nakong ea ho tsamaisa letsoho ka holimo le ka tlaase, motlakase ho pholletsa le -frequency transformer ke 0, 'me capacitor ea sefa e fana ka matla ho mojaro; ka nako ea ho tsamaisa letsoho ho fapaneng, -transformer e phahameng e fetisa matla a bolokiloeng ho inductor ea ho kenya letsoho ebe e fana ka eona.
Matla a tsoang ho cable ea ho kenya a fetisetsoa lehlakoreng la bobeli la transformer. Ka mor'a-ho lokisa khafetsa le ho sefa, e fana ka matla ho mojaro. Ka ho laola potoloho ea mosebetsi oa sistimi, motlakase o hlahisoang o ka fetoloa, ho boloka motlakase o tsoang ho boleng bo lekantsoeng. Ka nako e le 'ngoe ea ts'ebetso, inductor ea ho kenya e phethela linako tse peli tsa ho tjhaja le ho lahlela, 'me -transformer e phahameng e thaba habeli, 'me litsela tse peli tse hlasimollang li fapane. Sena se sebelisa matla a khoheli ka mokhoa oa ho sututsa{6}}, ho ntlafatsa sekhahla sa tšebeliso ea motlakase oa motlakase.
Bidirectional Charging Topology
Setšoantšo sa 11-22 se bonts'a sebopeho sa "topological" sa potoloho ea mantlha bakeng sa ho tjhaja le ho tjhaja tjhaja e fetisetsoang pele, e kenyelletsang-mohato o mong{3}}mohaho oa boraro oa "bridge voltage-source PWM rectifier" le "bidirectional DC/DC converter".
Mehloli e meraro-ea mekhahlelo e meraro ea AC e sebelisoa hangata liindastering tse phahameng-lisebelisoa tsa motlakase tse phahameng-le tse phahameng. Bidirectional e bolela hore phallo ea matla e ka tloha lehlakoreng la grid ho ea ho betri ea koloi, kapa ho tloha lehlakoreng la betri ho ea lehlakoreng la grid. Karolo e meraro-halofo ea halofo-motlako oa motlakase{7}}mohloli oa PWM oa mohloli setšoantšong ke mofuta oa PWM oa ho lokisa lintho tse peli, o nang le melemo e kang ho fumana phallo ea matla ka mahlakore a mabeli, karabelo e matla, le ts'ebetso e tsitsitseng-e tsitsitseng. Ha e le ka har'aboemo ba ho lokisa, matla a phalla ho tsoa lehlakoreng la marang-rang, hona joale ke sinusoidal, 'me mohato oa eona o tšoana le motlakase oa marang-rang; ha e sebetsa ka har'aboemo bo sebetsang ba phetoho, matla a bolokiloeng betiring ea koloi ea motlakase a khutlisetsoa ho marang-rang a motlakase, 'me grid-leqhubu la mahlakore a hona joale le a hona joale li na le sinusoidal, 'me phapang ea mohato ke 180 degrees .
Mofetoleli oa bidirectional DC/DC o na le melemo e kang karabelo e potlakileng, matla a phahameng a ho fetola matla, le lisebelisoa tse fokolang tsa matla. Joalo ka ha ho bonts'itsoe ho Setšoantšo sa 11-22, ha tjhaja e tjhaja betri ea koloi ea motlakase, switjha.S1e ntse e sebetsa, ha e ntse e fetohaS2e ntse e tima. Ka hona, phetisetso ea PWM ea mahlakore a mabeli e sebetsa boemong ba tokiso, 'me converter ea bidirectional DC/DC e boemong ba- ho theosa, 'me matla a phalla ho tloha lehlakoreng la marang-rang ho ea lehlakoreng la betri; ha betri e tjhaja, switjhaS2e tima, switjhaS1e ntse e sebetsa, converter ea mahlakore a mabeli ea DC/DC e boemong ba-ho nyoloha, 'me se lokisang PWM se sebetsa maemong a mabeli, 'me matla a bolokiloeng ka har'a betri a khutlisetsoa ho grid ea motlakase ka se lokisa.
