Dokar hannun hagu, mulkin hannun dama, mulkin dunƙule na hannun dama.Dokar hannun hagu, wannan shine tushen bincike na ƙarfin jujjuyawar motar.A taƙaice, shi ne jagoran da ke ɗaukar halin yanzu a cikin filin maganadisu, wanda ƙarfin zai shafa.

Bari layin filin maganadisu ya wuce ta gaban dabino, alkiblar yatsu shine alkiblar halin yanzu, kuma alkiblar babban yatsan yatsa shine jagorar karfin maganadisu.Ƙarfin ƙarfin yana yanke layin filin maganadisu don samar da ƙarfin lantarki.

Bari layin filin maganadisu ya wuce ta dabino, alkiblar babban yatsan yatsa shine alkiblar motsi, alkiblar yatsa kuma ita ce ta karfin wutar lantarki da aka samar.Me yasa ake magana game da ƙarfin lantarki da aka jawo?Ban sani ba ko kuna da irin wannan kwarewa.Lokacin da kuka haɗa wayoyi masu hawa uku na motar kuma kunna motar da hannu, za ku ga cewa juriya yana da girma sosai.Wannan shi ne saboda ƙaddamarwa yana faruwa a lokacin jujjuyawar motar.Ƙarfin wutar lantarki yana haifar da halin yanzu, kuma halin da ke gudana ta hanyar madubi a cikin filin maganadisu zai haifar da wani karfi da ya saba wa alkiblar juyawa, kuma kowa zai ji cewa akwai juriya mai yawa ga juyawa.

An raba wayoyi masu hawa uku kuma ana iya juya motar cikin sauƙi

An haɗu da layukan matakai uku, kuma juriya na motar yana da girma sosai.Dangane da ka'idar dunƙule hannun dama, riƙe solenoid mai kuzari da hannun dama, ta yadda yatsunsu huɗu suna lanƙwasa a cikin shugabanci ɗaya da na yanzu, sannan ƙarshen ya nuna ta babban yatsan shine N sandar solenoid mai kuzari.

Wannan doka ita ce tushen yin hukunci akan polarity na coil mai kuzari, kuma alkiblar jan kibiya ita ce jagorar yanzu.Bayan karanta ka'idoji guda uku, bari mu kalli ainihin ka'idodin jujjuyawar mota.Sashe na farko: Motar DC Mun sami samfurin injin DC wanda aka yi nazari a cikin ilimin kimiyyar lissafi na sakandare, kuma muna gudanar da bincike mai sauƙi ta hanyar binciken da'irar maganadisu.

Jiha 1 Lokacin da aka yi amfani da halin yanzu ga coils a ƙarshen duka, bisa ga ka'idar dunƙule hannun dama, za a samar da ƙarfin induction na maganadisu na Magnetic B (kamar yadda aka nuna ta kibiya mai kauri), kuma rotor a tsakiya zai yi ƙoƙarin yin. alkiblar layin shigarta na maganadisu kamar yadda zai yiwu.Jagoran layin filin maganadisu na waje ya yi daidai don samar da madaukin layin filin maganadisu mafi guntu, ta yadda na'urar rotor ta ciki zata juya ta agogo.Lokacin da yanayin filin maganadisu na rotor ya kasance daidai da shugabanci na filin maganadisu na waje, jujjuyawar jujjuyawar na'urar ita ce mafi girma.Lura cewa "lokacin" an ce shine mafi girma, ba "ƙarfi".Gaskiya ne cewa idan filin maganadisu na rotor ya kasance daidai da filin maganadisu na waje, ƙarfin maganadisu akan na'urar shine mafi girma, amma a wannan lokacin rotor yana cikin yanayin kwance kuma ƙarfin ƙarfin shine 0, kuma na Hakika ba zai juya ba.Don ƙarawa, lokacin shine samfurin ƙarfi da ƙarfin hannu.Idan ɗayansu sifili ne, samfurin sifili ne.Lokacin da rotor ya juya zuwa matsayi na kwance, ko da yake ba a taɓa yin tasiri da jujjuyawar juyi ba, zai ci gaba da juyawa a kusa da agogo saboda rashin aiki.A wannan lokacin, idan an canza shugabanci na yanzu na solenoids guda biyu, kamar yadda aka nuna a cikin adadi a ƙasa, rotor zai ci gaba da juyawa.juya gaba ta hanyar agogo,

A cikin jihar 2, ana canza shugabanci na yanzu na solenoids guda biyu, kuma rotor na ciki zai ci gaba da juyawa.Wannan aikin na canza alkiblar halin yanzu ana kiransa commutation.Bayanan kula na gefe: Lokacin tafiya yana da alaƙa ne kawai da matsayi na rotor kuma baya da alaƙa kai tsaye da kowane adadi.Sashe na 2: Motar na'ura mai jujjuyawar ciki mai hawa biyu-biyu gabaɗaya, iskar matakai uku na stator suna da yanayin haɗin tauraro da yanayin haɗin delta, kuma "yanayin gudanarwa biyu-biyu na haɗin tauraron lokaci uku" shine mafi yawanci. amfani, wanda ake amfani da shi a nan.Ana amfani da wannan samfurin don bincike mai sauƙi.

Hoton da ke sama yana nuna yadda ake haɗa iskar stator (ba a nuna na'urar rotor a matsayin maganadisu mai ma'ana guda biyu ba), kuma ana haɗa windings guda uku tare a cikin siffar "Y" ta hanyar haɗin tsakiya.Motar gaba ɗaya tana kaiwa zuwa wayoyi uku A, B, C. Idan aka ƙarfafa su biyu ta biyu, akwai lokuta 6, wato AB, AC, BC, BA, CA, CB.Lura cewa wannan yana cikin tsari.

Yanzu na dubi mataki na farko: AB lokaci yana da kuzari

Lokacin da yanayin AB ya sami kuzari, ana nuna alkiblar layin filin maganadisu da igiyar igiya ta A pole coil ta ke nunawa ta kibiya ja, kuma alkiblar layin filin maganadisu da sandar B ɗin ta fito ana nuna shi ta kibiya mai shuɗi, sannan alkiblar. na sakamakon karfi yana nunawa ta koren kibiya, sa'an nan kuma ɗauka cewa akwai magnet mai igiya guda biyu, hanyar N-pole zai zo daidai da hanyar da aka nuna ta koren kibiya bisa ga "rotor a tsakiya zai yi ƙoƙarin kiyayewa. shugabanci na layin filin maganadisu na ciki wanda ya yi daidai da alkiblar layukan filin maganadisu na waje”.Shi kuwa C, ba ruwansa da shi a halin yanzu.

Mataki na 2: An Karfafa Matakin AC

Mataki na uku: BC lokaci electrification

Mataki na uku: BA lokaci yana da kuzari

Mai zuwa shine zane-zanen jihar na matsakaicin maganadisu (rotor): Kowane na'ura mai juyi yana juya digiri 60

Ana kammala cikakkiyar jujjuyawar a cikin matakai shida, wanda aka yi tawaga shida.Kashi na uku: Motar mai jujjuyawar juzu'i mai nau'i-nau'i-nau'i uku-uku Bari mu kalli wani wuri mai rikitarwa.Hoto (a) Mota ce mai hawa uku-ɗaukaki tara mai iska shida (mai-girma uku, mai jujjuyawa tara, sandar sandar shida).A gefe-daban pie) inter rotor motar, ana nuna haɗin iska a adadi (b).Ana iya gani daga Hoto (b) cewa iska mai hawa uku kuma ana haɗa su tare a tsaka-tsaki, wanda kuma shine haɗin tauraro.Gabaɗaya magana, yawan iskar injin ɗin bai dace da adadin sandunan maganadisu na dindindin ba (misali, ana amfani da windings 9 da sanduna 6 maimakon 6 windings da sanduna 6), don hana haƙoran stator da maganadiso na rotor daga jawowa da daidaitawa.

Ka'idar motsin sa shine: N sanda na rotor da S pole na iskar wutar lantarki suna da halin daidaitawa, kuma S sandar na rotor da N sandar wutar lantarki suna da yanayin daidaitawa.Wato S da N suna jan hankalin juna.Lura cewa ya bambanta da hanyar bincike na baya.To, bari mu sake taimaka muku bincikar shi.Mataki na farko: Yanayin AB yana da wutar lantarki

Mataki na 2: An Karfafa Matakin AC

Mataki na uku: BC lokaci electrification