Taba ea mantlha ea taolo ea motlakase ea koloi ke taolo ea motlakase.Ka pampiri ena, molao-motheo oa star-delta o qalang ho sebelisoa hangata indastering o sebelisetsoa ho ntlafatsa taolo ea likoloi tsa motlakase, e le hore tsamaiso ea motlakase ea 48V e ka fetoha mokhoa o ka sehloohong oa matla a koloi ea 10-72KW.Ts'ebetso ea koloi eohle e tiisitsoe, 'me ka nako e ts'oanang, litšenyehelo tsa ho khanna ka motlakase tsa likoloi tse nyane le likoloi tse nyane li fokotsehile haholo,
Phuputsong ea morao tjena, ke hlokometse hore ho laola likoloi tsa motlakase ha e le hantle ke ho laola motlakase.Hobane tsebo e amehang sehloohong sena e pharaletseng haholo ebile e na le lintlha tse qaqileng, haeba molao-motheo le mokhoa oa ho ntlafatsa leano la ho laola likoloi li hlalositsoe ka botlalo, ho ea ka libuka tse baloang hona joale ke mongoli, lintlha tsa tsebo li lekane ho hlahisa monograph. e nang le maqephe a fetang 100 le mantsoe a fetang 100,000.E le ho lumella babali ba mecha ea phatlalatso ho utloisisa le ho tseba mokhoa o joalo oa ho ntlafatsa ka har'a mantsoe a likete.Sengoliloeng sena se tla sebelisa mehlala e ikhethileng ho hlalosa ts'ebetso ea ho ntlafatsa leano la koloi ea motlakase.
Mehlala e hlalositsoeng mona e thehiloe ho Baojun E100, BAIC EC3, le BYD E2.Ke liparamente tse latelang feela tsa mefuta ena e 'meli tse hlokang ho amana, 'me ke taolo ea enjine feela e ntlafalitsoeng ho e ntlafatsa hore e be sistimi ea betri ea 48V/144V DC dual-voltage, enjene ea AC 33V/99V dual-voltage le sete ea bakhanni ba makoloi. .Har'a bona, tsamaiso ea motlakase ea motlakase ke senotlolo sa morero oohle oa ho ntlafatsa, 'me mongoli o ithuta ka hloko le ka botebo.
Ka mantsoe a mang, lienjineri tsa Baojun E100, BAIC EC3, le BYD E2 li hloka feela ho ntlafatsoa hore e be sistimi ea taolo ea makoloi ea 29-70KW.Bana ke baemeli ba koloi e nyenyane ea A00, koloi e nyenyane ea A0, le koloi ea motlakase e hloekileng ea A0.Sengoliloeng sena se tla sebelisa mokhoa oa ho laola motlakase oa mekhahlelo e meraro oa asynchronous ho o sebelisa taolong ea likoloi tsa motlakase ka star-delta, V/F + DTC ea mekhahlelo e meraro ea asynchronous induction motor control.
Ka lebaka la mefokolo ea sebaka, sehlooho sena se ke ke sa hlalosa melao-motheo ea khutlotharo ea linaleli joalo-joalo.Ha re qaleng ka matla a motlakase a tloaelehileng taolong ea liindasteri.Motlakase o sebelisoang hangata oa 380V oa mekhahlelo e meraro ke 0.18~315KW, matla a manyane ke khokahano ea Y, matla a mahareng ke △ khokahano, 'me matla a phahameng ke 380/660V motor.Ka kakaretso, li-motors tsa 660V ke tsona tse kaholimo ho 300KW.Ha se hore li-motor tse ka holimo ho 300KW li ke ke tsa sebelisa 380V, empa moruo oa tsona ha o motle.Ke hona joale e fokotsang moruo oa motlakase le potoloho ea taolo.Hangata 1 millimeter ea lisekoere e ka feta 6A hajoale.Hang ha enjene ea mehato e meraro ea asynchronous induction e raliloe, thapo ea eona e tsamaisang motlakase e ea khethoa.Ke hore, ho feta hona joale ho reriloe.Ho latela pono ea likoloi tsa indasteri, 500A ke boleng bo boholo ka ho fetisisa moruong oa eona.
Ho khutlela koloing ea koloi ea motlakase, motlakase oa PWM oa mekhahlelo e meraro ea tsamaiso ea betri ea 48V ke 33V.Haeba boemo ba moruo ba motlakase oa indasteri ke 500A, boleng bo phahameng ba moruo ba koloi ea motlakase ea 48V e ka ba 27KW bakeng sa motlakase oa mekhahlelo e meraro.Ka nako e ts'oanang, ha ho nahanoa ka litšoaneleho tse matla tsa koloi, nako ea ho fihla boemong bo phahameng ka ho fetisisa e khutšoanyane haholo, hangata ha e fete metsotso e seng mekae, ke hore, 27KW e ka etsoa hore e be boemo bo feteletseng.Hangata boemo ba ho jara boima ke linako tse 2 ho isa ho tse 3 tsa boemo bo tloaelehileng.Ke hore, boemo bo tloaelehileng ba ho sebetsa ke 9 ~ 13.5KW.
Haeba re sheba feela boemo ba motlakase le ho bapisa matla a hona joale.Sistimi ea 48V e ka ba ka har'a 30KW feela kaha ts'ebetso ea ho khanna e le boemo bo botle ka ho fetisisa ba ho sebetsa.
Leha ho le joalo, ho na le mekhoa e mengata ea ho laola li-motor tse tharo tsa asynchronous motors.Likoloi tsa motlakase li na le mefuta e mengata ea taolo ea lebelo (hoo e ka bang 0-100%) le lebelo la taolo ea torque (hoo e ka bang 0-100%).Tlas'a maemo a thata a ts'ebetso, likoloi tsa motlakase hajoale li sebelisa taolo ea VF kapa DTC.Haeba taolo ea naleli-delta e hlahisoa, e ka baka phello e sa lebelloang.
Taolong ea indasteri, matla a taolo ea naleli-delta ke makhetlo a 1.732, e leng ntho e etsahetseng ka tšohanyetso eseng molao-motheo.Sistimi ea 48V ha e phahamise phetoho ea maqhubu a PWM ho etsa AC 33V, mme enjene e etselitsoeng ho latela boemo ba motlakase oa motlakase oa indasteri ke 57V.Empa re fetola boemo ba voltage ea taolo ea naleli ho makhetlo a 3, e leng motso oa 9.Joale e ne e tla ba 99V.
Ka mantsoe a mang, haeba enjene e entsoe e le 99V AC ea mekhahlelo e meraro ea asynchronous motor e nang le khokahano ea delta le khokahano ea 33V Y, lebelo la motor le ka fetoloa ho tloha 0 ho isa 100% ka har'a matla a 20 ho isa ho 72KW tlasa moruo. maemo.Hangata lebelo le phahameng la enjene ke 12000RPM), taolo ea torque ke 0-100%, 'me frequency modulation ke 0-400Hz.
Haeba morero o joalo oa ntlafatso o ka phethahala, likoloi tsa A-class le likoloi tse nyane li ka fumana ts'ebetso e ntle ka enjene e le 'ngoe.Rea tseba hore litšenyehelo tsa 48V motor system (ka har'a boleng bo phahameng ba 30KW) ke li-yuan tse ka bang 5,000.Litsenyehelo tsa morero oa ho ntlafatsa pampiring ena ha li tsejoe, empa ha li kenye lisebelisoa, empa li fetola feela mokhoa oa ho laola le ho hlahisa maemo a mabeli a motlakase.Keketseho ea eona ea litšenyehelo e boetse e khona ho laoleha.
Ha e le hantle, ho tla ba le mathata a mangata a macha lenaneong le joalo la taolo.Mathata a maholo ka ho fetisisa ke moralo oa enjene, moralo oa mokhanni, le litlhoko tse phahameng haholo bakeng sa ho tjhaja le ho ntša litšobotsi tsa betri e nang le matla a phahameng a matla.Mathata ana aa laoleha ’me ho na le litharollo tse teng.Mohlala, moralo oa enjene o ka rarolloa ka ho lokisa karo-karolelano ea maemo a voltage a phahameng le a tlase.Re tla e tšohla hammoho sehloohong se latelang.
Nako ea poso: Mar-02-2023