★Molao-motheo oa enjene: Molao-motheo oa enjene o bonolo haholo. Ka mantsoe a bonolo feela, ke sesebelisoa se sebelisang matla a motlakase ho hlahisa matla a khoheli a potolohang holim'a coil le ho khanna rotor ho potoloha. Ba ithutileng molao oa ho kenngoa ha motlakase oa motlakase baa tseba hore khoele e matlafalitsoeng e tla qobelloa ho potoloha sebakeng sa khoheli. Ena ke molao-motheo oa motheo oa motlakase. Ena ke tsebo ea fisiks ea sekolo se phahameng sa junior.
★Sebopeho sa koloi: Mang kapa mang ea harotseng enjene oa tseba hore enjene e entsoe haholo ka likarolo tse peli, karolo e tsitsitseng ea stator le karolo ea rotor e potolohang, ka tsela e latelang: 1. Stator (karolo e emeng) Stator core: karolo ea bohlokoa ea enjene. potoloho ea magnetic, 'me stator winding e behoa holim'a eona; stator winding: coil, karolo ea potoloho ea enjene, e hokahaneng le phepelo ea motlakase, e sebelisetsoang ho hlahisa matla a khoheli a potolohang; motheo: lokisa motheo oa stator le sekoahelo sa motlakase, 'me u bapale karolo ea ho sireletsa le ho senya mocheso; 2. Rotor (karolo e potolohang) Rotor core: karolo ea bohlokoa ea potoloho ea motlakase ea motlakase, ho behoa ha rotor ho kenngoa mokokotlong oa motheo; rotor winding: ho khaola matla a khoheli a stator ho hlahisa matla a motlakase le a hona joale, le ho theha torque ea motlakase ho potoloha enjene;
1. Stator (karolo e emeng) Mokotla oa stator: karolo ea bohlokoa ea potoloho ea motlakase ea motlakase, eo ho behoa ha stator winding; stator winding: coil, karolo ea potoloho ea enjene, e hokahaneng le phepelo ea motlakase, e sebelisetsoang ho hlahisa matla a khoheli a potolohang; motheo: lokisa motheo oa stator le sekoahelo sa motlakase, 'me u bapale karolo ea ho sireletsa le ho senya mocheso; 2. Rotor (karolo e potolohang) Rotor core: karolo ea bohlokoa ea potoloho ea motlakase ea motlakase, e nang le moea oa rotor o kentsoeng mokokotlong oa motheo; rotor winding: ho khaola matla a khoheli a stator ho hlahisa matla a motlakase le a hona joale, le ho theha torque ea motlakase ho potoloha enjene;
★Mefuta e mengata ea lipalo bakeng sa lienjineri: 1. Electromagnetic related 1) Foromo bakeng sa matla a motlakase a koetsoeng a enjene: E=4.44*f*N*Φ, moo E e leng matla a coil electromotive, f ke frequency, S ke Sebaka se arohaneng sa conductor (joalo ka mokokotlo oa tšepe) o pota-potileng, N ke palo ea ho chenchana, 'me Φ ke flux ea makenete. Re ke ke ra batlisisa hore na foromo e nkiloe joang, empa haholo-holo re sheba mokhoa oa ho e sebelisa. Matla a electromotive a susumetsoang ke mohloli oa matla a motlakase. Ha mokhanni ea nang le matla a electromotive a susumelitsoeng a koetsoe, ho tla hlahisoa hona joale. Mokotla o kentsoeng o tla beoa tlas'a matla a Ampere sebakeng sa khoheli, ho hlahisa motsotsoana oa khoheli, ka hona ho khanna khoele ho potoloha. Ho latela foromo e kaholimo, rea tseba hore boholo ba matla a motlakase a lekana le maqhubu a phepelo ea motlakase, palo ea li-coil tse bilikang, le phallo ea makenete. Mokhoa oa ho bala phallo ea makenete ke Φ=B*S*COSθ. Ha sefofane se nang le sebaka sa S se ipapisitse le tataiso ea matla a khoheli, angle θ ke 0, COSθ e lekana le 1, 'me foromo e fetoha Φ=B*S.
Ho kopanya mekhoa e 'meli e ka holimo, re ka fumana mokhoa oa ho bala matla a khoheli a matla a motlakase: B=E/(4.44*f*N*S). 2) E 'ngoe ke foromo ea matla a Ampere. Haeba re batla ho tseba hore na coil e tlas'a matla a makae, re hloka foromo ena F=I*L*B*sinα, moo ke leng matla a hona joale, L ke bolelele ba conductor, B ke matla a magnetic field, le α. ke angle pakeng tsa tataiso ea hajoale le tataiso ea matla a khoheli. Ha terata e le perpendicular ho matla a khoheli, foromo e fetoha F = I * L * B (haeba e le N-turn coil, magnetic flux B ke kakaretso ea magnetic flux ea N-turn coil, 'me ha ho na letho. hloka ho atisa N hape). Ho tseba matla, re tseba torque. Torque e lekana le torque e atolositsoeng ke radius ea ketso, T = r * F = r * I * B * L (sehlahisoa sa vector). Ka mekhoa e 'meli ea matla = matla * lebelo (P = F * V) le lebelo la mola V = 2πR * lebelo ka motsotsoana (n metsotsoana), re ka theha kamano le matla mme re fumana mokhoa oa No. 3 ka tlase. Leha ho le joalo, hoa lokela ho hlokomeloa hore torque ea sebele ea tlhahiso e sebelisoa ka nako ena, kahoo matla a baloang ke matla a tsoang. 2. Mokhoa oa ho bala lebelo la motlakase oa AC asynchronous ke: n=60f/P. Sena se bonolo haholo. Lebelo le lekana le maqhubu a phepelo ea motlakase 'me le fapana le palo ea lipara tsa makoloi (hopola, ke para). Sebelisa foromo ka kotloloho feela. Leha ho le joalo, foromo ena e hlile e lekanya lebelo la synchronous (lebelo le potolohang la matla a khoheli). Lebelo la 'nete la enjene ea asynchronous le tla ba tlase hanyane ho feta lebelo la synchronous, ka hona re atisa ho bona hore koloi ea 4-pole hangata e feta 1400 revolutions, ha e fihle ho 1500 revolutions. 3. Kamano pakeng tsa torque ea motlakase le lebelo la meter ea matla: T = 9550P / n (P ke matla a motlakase, n ke lebelo la motlakase), e ka fumanoang ho tsoa ho lintlha tsa No. 1 ka holimo, empa ha re ' Ha u hloke ho ithuta ho e fumana, hopola feela mokhoa ona oa lipalo. Empa hape, matla a P ka foromo ha se matla a ho kenya, empa ke matla a tsoang. Hobane motlakase o na le tahlehelo, matla a ho kenya ha a lekane le matla a tsoang. Leha ho le joalo, hangata libuka li na le maikutlo a nepahetseng, 'me matla a ho kenya a lekana le matla a tlhahiso.
4. Matla a motlakase (matla a kenyang): 1) Mokhoa o le mong oa ho bala matla a motlakase oa mohato o le mong: P = U * I * cosφ. Haeba matla a matla ke 0.8, motlakase ke 220V, 'me hona joale ke 2A, joale matla P = 0.22 × 2 × 0.8 = 0.352KW. 2) Mokhoa oa ho bala matla a motlakase oa mekhahlelo e meraro: P = 1.732 * U * I * cosφ (cosφ ke matla a matla, U ke motlakase oa mohala oa mojaro, 'me ke hona joale mohala oa mojaro). Leha ho le joalo, mofuta ona oa U le 'na o amana le mokhoa oa ho hokahanya ha motlakase. Ha ho sebelisoa naleli, kaha lipheletsong tse tloaelehileng tsa li-coil tse tharo tse nang le li-voltages tsa 120 ° li arohane hammoho ho theha ntlha ea 0, motlakase o kentsoeng holim'a coil ea mojaro ha e le hantle ke motlakase oa mohato; 'me ha khokahanyo ea kgutlotharo e sebelisoa, khoele e' ngoe le e 'ngoe e hokahane le mohala oa motlakase lipheletsong tse peli, kahoo motlakase o kentsoeng holim'a coil ea mojaro ke mohala oa motlakase. Haeba re sebelisa motlakase o sebelisoang hangata oa 3-phase 380V, coil ke 220V in star connection le 380V in triangle connection, P=U*I=U^2/R, kahoo matla a ho hokahanya ha kgutlotharo ke makhetlo a 3 a ho hokahanya ha linaleli. , ke ka lebaka leo li-motor tse nang le matla a phahameng li sebelisang star-delta step-down ho qala. Ho tseba mokhoa ona o ka holimo le ho o utloisisa ka botlalo, u ke ke ua hlola u ferekanngoa ka molao-motheo oa motlakase, 'me u ke ke ua tšaba ho ithuta thuto e thata joaloka ho hula koloi. ★Likarolo tse ling tsa enjene.
1) Fan: hangata e kenngoa mohatleng oa motlakase ho tlosa mocheso bakeng sa motlakase; 2) Lebokose la Junction: le sebelisetsoang ho hokahanya phepelo ea motlakase, joalo ka AC ea mekhahlelo e meraro ea asynchronous motor, hape e ka hokahanngoa ka naleli kapa kgutlotharo ha ho hlokahala; 3) Ho beha: ho hokahanya likarolo tse potolohang le tse emeng tsa enjene; 4. Sekoahelo sa ho qetela: likoahelo tse ka pele le tse ka morao ka ntle ho motlakase, tse phethang karolo e tšehetsang.
motlakase o tlase oa motlakase,Ex motor, Baetsi ba likoloi Chaena,enjene ea ho kenya likarolo tse tharo, YES enjene