Laifin mataki-zuwa-lokaci kuskuren lantarki ne na musamman ga iska mai hawa uku. Bisa kididdigar da ke tattare da kurakuran motoci, za a iya gano cewa ta fuskar kurakuran lokaci-zuwa-lokaci, matsalolin injinan sandar igiya biyu suna da yawa sosai, kuma galibi suna faruwa ne a karshen iskar.

Daga rarraba na'urorin da aka yi amfani da su a cikin motar motsa jiki, tazarar na'urorin motsa jiki guda biyu suna da girma sosai, kuma ƙaddamar da ƙarshen shine babban matsala a cikin tsarin haɗa waya. Bugu da ƙari, yana da wuya a gyara ɓangarorin lokaci-zuwa-lokaci da ɗaure iska, kuma matsuguni na lokaci-zuwa-lokaci yana yiwuwa ya faru. tambaya.

A yayin aikin masana'anta, daidaitattun masana'antun motocin za su bincika kurakuran lokaci-zuwa-lokaci ta hanyar juriya na ƙarfin lantarki, amma ƙila ba za a iya samun iyakar yanayin rugujewa yayin binciken aikin iska da gwajin kaya ba. Irin waɗannan matsalolin na iya faruwa suna faruwa lokacin da motar ke gudana a ƙarƙashin kaya.

Gwajin lodin mota abu ne mai gwadawa, kuma gwajin babu kaya ne kawai ake yi a lokacin gwajin masana'anta, wanda hakan na daya daga cikin dalilan da suka sa motar ta bar masana'anta da matsala. Koyaya, daga hangen nesa na sarrafa ingancin masana'anta, yakamata mu fara tare da daidaita tsarin, ragewa da kawar da munanan ayyuka, da ɗaukar matakan ƙarfafawa don nau'ikan iska daban-daban.

Adadin igiyoyi biyu na motar

Kowane saitin coils na injin AC mai hawa uku zai samar da sandunan maganadisu na N da S, kuma adadin igiyoyin maganadisu da ke ƙunshe a kowane fanni na kowane injin shine adadin sanduna. Tunda sandunan maganadisu suna bayyana bibiyu, motar tana da 2, 4, 6, 8….

Lokacin da aka sami murɗa ɗaya kawai a cikin kowane juzu'i na A, B, da C, wanda aka rarraba daidai gwargwado da daidaituwa akan kewaye, yanayin yanzu yana canzawa sau ɗaya, kuma filin maganadisu yana juyawa sau ɗaya, wanda shine sanduna biyu. Idan kowane nau'i na A, B, da C na iska mai hawa uku ya ƙunshi coils biyu a jere, kuma tazarar kowane nada shine da'irar 1/4, to, filin maganadisu da aka kafa ta hanyar zamani mai hawa uku har yanzu yana juyawa. filin maganadisu, kuma halin yanzu yana canzawa sau ɗaya, filin maganadisu mai juyawa kawai yana juya 1/2 kawai, wanda shine nau'i biyu na sanduna. Hakazalika, idan an shirya windings bisa ga wasu dokoki, 3 nau'i-nau'i na sanduna, 4 nau'i-nau'i na sanduna ko magana gabaɗaya, ana iya samun P nau'i-nau'i. P shine madaidaicin logarithm.

Motar igiya takwas na nufin cewa rotor yana da igiyoyin maganadisu guda 8, 2p=8, wato, injin yana da nau'i-nau'i 4 na igiyoyin maganadisu. Gabaɗaya, turbo janareta ɓoyayyun pole Motors ne, tare da ƴan sandar igiya, yawanci 1 ko 2 nau'i-nau'i, da n = 60f/p, don haka saurin sa yana da girma sosai, har zuwa juyi 3000 (mitar wutar lantarki), da adadin sandar sandar. Babban janareta na hydroelectric yana da girma sosai, kuma tsarin na'ura mai juyi shine nau'in sanda mai mahimmanci, kuma tsarin yana da rikitarwa. Saboda yawan sandunansa, saurinsa ya yi ƙasa kaɗan, watakila 'yan juyi ne kawai a cikin daƙiƙa guda.

Lissafin saurin motsin motsi

Ana ƙididdige saurin saurin injin ɗin bisa ga dabara (1). Saboda zamewar factor na asynchronous motor, akwai wani bambanci tsakanin ainihin gudun da mota da synchronous gudun.

n=60f/p………………………… (1)

A cikin tsari (1):

n - saurin mota;

60 - yana nufin lokacin, 60 seconds;

F——mitar wutar lantarki, mitar wutar lantarki a ƙasata shine 50Hz, kuma mitar wutar lantarki a ƙasashen waje shine 60 Hz;

P——yawan nau'ikan igiyoyi na injin, kamar injin sandar sandar igiya 2, P=1.

Misali, don injin 50Hz, saurin aiki tare na motar 2-pole (1 biyu na sanduna) shine 3000 rpm; gudun motar 4-pole (2 nau'i-nau'i na sanduna) shine 60 × 50/2 = 1500 rpm.

A cikin yanayin ƙarfin fitarwa akai-akai, yawan adadin nau'ikan nau'ikan injin ɗin, yana rage saurin injin ɗin, amma girman ƙarfinsa. Sabili da haka, lokacin zabar motar, la'akari da yawan ƙarfin farawa da kaya ke buƙata.

Matsakaicin canji na lokaci uku a cikin ƙasarmu shine 50Hz. Don haka, saurin aiki tare da motar 2-pole shine 3000r/min, saurin madaidaicin motar 4-pole shine 1500r/min, saurin madaidaicin motar sandal 6 shine 1000r/min, kuma saurin daidaitawa na wani. Motar 8-pole shine 750r / min, Gudun daidaitawa na injin 10-pole shine 600r / min, kuma saurin daidaitawa na motar 12-pole shine 500r / min.

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Lokacin aikawa: Afrilu-08-2023