. Ihame rya moteri: Ihame rya moteri riroroshye cyane. Muri make, ni igikoresho gikoresha ingufu z'amashanyarazi kugirango kibyare umurima wa rukuruzi uzunguruka kuri coil kandi utwara rotor kuzunguruka. Abize amategeko ya induction ya electromagnetic bazi ko coil ifite ingufu zizahatirwa kuzunguruka mumashanyarazi. Iri ni ihame shingiro rya moteri. Ubu ni ubumenyi bwa fiziki yisumbuye yisumbuye.
Structure Imiterere ya moteri: Umuntu wese wasambuye moteri azi ko moteri igizwe ahanini nibice bibiri, igice cya stator gihamye hamwe na rotor igice kizunguruka, kuburyo bukurikira: 1. Stator (igice gihagaze) Stator core: igice cyingenzi cyumuzunguruko wa moteri, kandi ushyirwa kuri stator; guhinduranya stator: coil, igice cyumuzingi cya moteri, ihujwe no gutanga amashanyarazi, ikoreshwa mukubyara umurima wa rukuruzi; shingiro: gukosora stator yibanze hamwe na moteri yanyuma, kandi ugire uruhare mukurinda no gukwirakwiza ubushyuhe; 2. rotor winding: gukata stator izunguruka magnetiki yumuriro kugirango itange ingufu za electromotive ningufu zigezweho, hanyuma ukore moteri ya electronique kugirango uzunguruke moteri;
1. guhinduranya stator: coil, igice cyumuzingi cya moteri, ihujwe no gutanga amashanyarazi, ikoreshwa mukubyara umurima wa rukuruzi; shingiro: gukosora stator yibanze hamwe na moteri yanyuma, kandi ugire uruhare mukurinda no gukwirakwiza ubushyuhe; 2. rotor winding: gukata stator izunguruka magnetiki yumuriro kugirango itange ingufu za electromotive ningufu zigezweho, hanyuma ukore moteri ya electronique kugirango uzunguruke moteri;
Inzira nyinshi zo kubara kuri moteri: 1. Electromagnetic ifitanye isano 1) Inzira yingufu zamashanyarazi zatewe na moteri: E = 4.44 * f * N * Φ, aho E ari imbaraga za moteri ya coil, f ni inshuro, S nigice cyambukiranya ibice byumuyoboro (nkicyuma cyicyuma) gikomeretsa, N the numubare wimpinduka, N the ni umubare wimpinduka, N Ntabwo tuzacukumbura uburyo formula ikomoka, ariko cyane cyane turebe uburyo bwo kuyikoresha. Imbaraga za electromotive ningirakamaro ya induction ya electromagnetic. Iyo umuyoboro ufite ingufu za electromotive zarafunzwe, hazavamo amashanyarazi. Umuyoboro uterwa uzakorerwa imbaraga za Ampere mumashanyarazi, bikabyara umwanya wa magneti, bityo bigatuma igiceri kizunguruka. Duhereye kuri formula yavuzwe haruguru, tuzi ko ubunini bwingufu za electromotive bugereranwa numuriro w'amashanyarazi, umubare wa coil uhinduka, hamwe na magnetiki flux. Inzira yo kubara magnetiki flux ni Φ = B * S * COSθ. Iyo indege ifite ubuso bwa S itandukanijwe nicyerekezo cyumurima wa magneti, inguni θ ni 0, COSθ ingana na 1, kandi formula iba Φ = B * S.
Duteranije formula ebyiri zavuzwe haruguru, dushobora kubona formula yo kubara ubukana bwa magnetiki flux ya moteri: B = E / (4.44 * f * N * S). 2) Ibindi ni formulaire ya Ampere. Niba dushaka kumenya imbaraga coil ikorerwa, dukeneye iyi formula F = I * L * B * sinα, aho ndi ubukana bwubu, L nuburebure bwumuyoboro, B nuburemere bwumuriro wa magneti, naho α ni inguni hagati yicyerekezo cyerekezo nicyerekezo cya magneti. Iyo insinga ari perpendicular kumurima wa magneti, formula iba F = I * L * B (niba ari coil ya N-ihinduka, flux ya magnetique B ni magnetique yose yuzuye ya co-N, kandi nta mpamvu yo kongera kugwiza N). Kumenya imbaraga, tuzi torque. Umuyoboro uhwanye na torque igwijwe na radiyo y'ibikorwa, T = r * F = r * I * B * L (ibicuruzwa bya vector). Binyuze muburyo bubiri bwimbaraga = imbaraga * umuvuduko (P = F * V) numuvuduko wumurongo V = 2πR * umuvuduko kumasegonda (n amasegonda), dushobora gushiraho umubano nimbaraga hanyuma tukabona formula ya No 3 hepfo. Ariko, twakagombye kumenya ko ibyasohotse mubyukuri bikoreshwa muriki gihe, imbaraga rero zabazwe nimbaraga zisohoka. 2. Inzira yo kubara umuvuduko wa moteri ya AC idahwitse ni: n = 60f / P. Ibi biroroshye cyane. Umuvuduko uringaniza numurongo wo gutanga amashanyarazi kandi ugereranije numubare wa moteri ya pole ebyiri (ibuka, ni couple). Koresha gusa formulaire. Nyamara, iyi formulaire mubyukuri ibara ryihuta (kuzunguruka umuvuduko wa magneti). Umuvuduko nyawo wa moteri ya asinchronous uzaba munsi gato ugereranije numuvuduko wa syncronique, kuburyo dukunze kubona ko moteri ya pole 4 muri rusange irenga 1400 revolisiyo, itagera kuri revolisiyo 1500. 3. Ariko na none, imbaraga P muri formula ntabwo ari imbaraga zinjiza, ahubwo nimbaraga zisohoka. Kuberako moteri ifite igihombo, imbaraga zinjiza ntabwo zingana nimbaraga zisohoka. Nyamara, ibitabo bikunze kuba byiza, kandi imbaraga zo kwinjiza zingana nimbaraga zisohoka.
4. Imbaraga za moteri (imbaraga zinjiza): 1) Icyiciro kimwe cyo kubara ingufu za moteri yo kubara: P = U * I * cosφ. Niba ibintu byingufu ari 0.8, voltage ni 220V, naho ikigezweho ni 2A, noneho imbaraga P = 0.22 × 2 × 0.8 = 0.352KW. 2) Inzira y'ibyiciro bitatu yo kubara ingufu za moteri: P = 1.732 * U * I * cosφ (cosφ nikintu cyingufu, U numurongo wumurongo wumurongo wa voltage, kandi ninjye wumurongo wumurongo). Ariko, ubu bwoko bwa U na njye bujyanye nuburyo bwo guhuza moteri. Iyo inyenyeri ihuza ikoreshwa, kubera ko impera zisanzwe za coil eshatu hamwe na voltage 120 ° zitandukanye zahujwe hamwe kugirango zibe ingingo 0, voltage yapakiwe kuri coil yumutwaro mubyukuri ni voltage ya fase; kandi iyo ihuriro rya mpandeshatu ryakoreshejwe, buri coil ihujwe numurongo wamashanyarazi kumpande zombi, bityo voltage yapakiwe kumurongo wumutwaro ni umurongo wa voltage. Niba dukoresha ingufu zikoreshwa cyane 3 -cyiciro 380V voltage, coil ni 220V muguhuza inyenyeri na 380V muguhuza inyabutatu, P = U * I = U ^ 2 / R, imbaraga rero muguhuza inyabutatu zikubye inshuro 3 iy'inyenyeri ihuza, niyo mpamvu moteri ifite ingufu nyinshi zikoresha inyenyeri-delta intambwe-hasi itangira. Kumenya neza ibyavuzwe haruguru no kubyumva neza, ntuzongera kwitiranya ihame rya moteri, kandi ntuzatinya kwiga amasomo atoroshye nko gukurura moteri. ★ Ibindi bice bya moteri.
1) Umufana: mubisanzwe ushyirwa kumurizo wa moteri kugirango ugabanye ubushyuhe kuri moteri; 2) Agasanduku gahuza: gakoreshwa muguhuza amashanyarazi, nka AC ibyiciro bitatu bya moteri idafite imbaraga, kandi birashobora no guhuzwa inyenyeri cyangwa inyabutatu nkuko bikenewe; 3) Gutwara: guhuza ibice bizunguruka kandi bihagaze bya moteri; 4. Igifuniko cyanyuma: ibipfukisho byimbere ninyuma hanze ya moteri, bigira uruhare runini.
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