Ana haifar da ƙarfin electromotive na baya ta hanyar adawa da yanayin halin yanzu a cikin iska don canzawa. Ana haifar da ƙarfin electromotive na baya a cikin yanayi masu zuwa: (1) lokacin da aka ratsa madaidaicin halin yanzu ta cikin coil; (2) lokacin da aka sanya madugu a cikin madaidaicin filin maganadisu; (3) lokacin da madugu ya yanke ta cikin filin maganadisu. Lokacin da na'urorin lantarki irin su coils na relay, electromagnetic valves, contactor coils, da moto windings suke aiki, duk suna haifar da ƙarfin lantarki.
Ƙirƙirar tsayayyen halin yanzu yana buƙatar sharuɗɗa biyu masu mahimmanci: na farko, rufaffiyar madauki. Na biyu, baya electromotive karfi. Za mu iya fahimtar abin da ya faru na jawo electromotive karfi daga induction motor: uku-lokaci symmetrical voltages ana amfani da stator windings na motor tare da bambanci na 120 digiri, samar da madauwari mai jujjuya maganadisu, ta yadda rotor sanduna sanya a cikin wannan. Ana jujjuya filin maganadisu zuwa ƙarfin lantarki, yana canzawa daga tsaye zuwa motsi mai juyawa, yana haifar da yuwuwar yuwuwar a cikin sanduna, da haifar da kwararar halin yanzu ta rufaffiyar madauki na sandunan da aka haɗa ta zoben ƙarewa. Ta wannan hanyar, ƙarfin lantarki ko ƙarfin lantarki yana samuwa a cikin sandunan rotor, kuma wannan ƙarfin lantarki shine abin da ake kira baya electromotive Force. A cikin motar rotor mai rauni, wutar lantarki na buɗaɗɗen kewayawa wani ƙarfin lantarki ne na baya.
Nau'o'in injina daban-daban suna da canje-canje daban-daban a cikin girman ƙarfin lantarki na baya. Girman ƙarfin wutar lantarki na baya na motar asynchronous yana canzawa tare da girman kaya a kowane lokaci, yana haifar da alamun inganci daban-daban a ƙarƙashin yanayi daban-daban; a cikin injin maganadisu na dindindin, muddin gudun ya kasance baya canzawa, girman ƙarfin wutar lantarki na baya ya kasance baya canzawa, don haka alamun inganci a ƙarƙashin yanayin nauyi daban-daban suna kasancewa a zahiri baya canzawa.
Ma'anar zahirin ƙarfin lantarki na baya shine ƙarfin lantarki wanda ke adawa da ratsawar halin yanzu ko canjin halin yanzu. A cikin dangantakar musayar makamashin lantarki UIT=ε逆It+I2Rt, UIt ita ce shigar da makamashin lantarki, kamar shigar da wutar lantarki zuwa baturi, mota ko taswira; I2Rt shine makamashin asarar zafi a kowace da'ira, wanda shine nau'in makamashi na asarar zafi, ƙarami mafi kyau; Bambanci tsakanin shigar da makamashin lantarki da asarar zafi na makamashin lantarki shine ɓangaren makamashi mai amfani ε逆Ya dace da ƙarfin lantarki na baya. A wasu kalmomi, ana amfani da ƙarfin lantarki na baya don samar da makamashi mai amfani kuma yana da alaƙa da asarar zafi. Mafi girman ƙarfin hasarar zafi, ƙaramin ƙarfin da za a iya samu.
Maganar gaskiya, EMF na baya yana cinye makamashin lantarki a cikin kewaye, amma ba "asara" bane. Sashin makamashin lantarki wanda ya yi daidai da EMF na baya za a canza shi zuwa makamashi mai amfani ga kayan lantarki, kamar makamashin injina da makamashin sinadarai na baturi.
Ana iya ganin girman EMF na baya yana nufin ƙarfin ƙarfin kayan lantarki don canza ƙarfin shigar da jimillar makamashi zuwa makamashi mai amfani, yana nuna matakin ƙarfin jujjuya kayan aikin lantarki.
Abubuwan da ke ƙayyade baya EMF Don samfuran mota, adadin iskar stator yana jujjuya, saurin angular rotor, filin maganadisu da magnet ɗin rotor ya haifar, da ratar iska tsakanin stator da rotor sune abubuwan da ke ƙayyade EMF na baya na motar. . Lokacin da aka ƙera motar, ana ƙayyade filin maganadisu na rotor da adadin jujjuyawar iska. Saboda haka, kawai abin da ke ƙayyade EMF na baya shine saurin angular rotor, ko gudun rotor. Yayin da saurin rotor ke ƙaruwa, EMF na baya kuma yana ƙaruwa. Bambanci tsakanin diamita na ciki na stator da diamita na waje na rotor zai shafi girman iskar maganadisu, wanda kuma zai shafi EMF na baya.
Abubuwan lura lokacin da motar ke gudana ● Idan motar ta daina juyawa saboda juriya da yawa na inji, babu ƙarfin lantarki na baya a wannan lokacin. Nada mai ƙaramin juriya yana haɗe kai tsaye zuwa ƙarshen wutar lantarki biyu. A halin yanzu zai zama babba sosai, wanda zai iya ƙone motar cikin sauƙi. Za a ci karo da wannan jihar a gwajin motar. Misali, gwajin rumfa yana buƙatar rotor ɗin motar ya kasance a cikin yanayin tsaye. A wannan lokacin, motar tana da girma sosai kuma yana da sauƙi don ƙone motar. A halin yanzu, yawancin masu kera motoci suna amfani da tarin ƙima nan take don gwajin rumbun, wanda a zahiri yana guje wa matsalar kona motoci da ke haifar da dogon lokacin tsayawa. Duk da haka, tun da kowane mota yana shafar abubuwa daban-daban kamar taro, ƙimar da aka tattara sun bambanta kuma ba za su iya nuna daidai yanayin yanayin motar ba.
● Lokacin da ƙarfin wutar lantarki da aka haɗa da motar ya yi ƙasa da ƙarfin lantarki na yau da kullun, injin ɗin ba zai jujjuya ba, ba za a haifar da ƙarfin lantarki na baya ba, kuma motar za ta ƙone cikin sauƙi. Wannan matsalar sau da yawa tana faruwa a cikin motocin da ake amfani da su a cikin layukan wucin gadi. Misali, layukan wucin gadi suna amfani da layukan samar da wutar lantarki. Saboda ana amfani da su na lokaci ɗaya kuma don hana sata, yawancin su za su yi amfani da wayoyi masu mahimmanci na aluminum don sarrafa farashi. Ta wannan hanyar, raguwar ƙarfin lantarki a kan layin zai zama babba sosai, wanda zai haifar da rashin isasshen ƙarfin shigar da injin. A zahiri, ƙarfin lantarki na baya yakamata ya zama ɗan ƙaramin ƙarfi. A lokuta masu tsanani, motar za ta yi wahala farawa ko ma kasa farawa. Ko da motar ta fara, zai yi aiki a babban halin yanzu a cikin yanayin da ba daidai ba, don haka motar za ta iya ƙonewa cikin sauƙi.
low irin ƙarfin lantarki lantarki motor,Ex motor, Masu kera motoci a China,Motar shigar da kashi uku, injin YES