Tare da yawaitar samar da wutar lantarki mai canzawa, an sami sauƙin warware matsalar farawa ta mota, amma ga wutar lantarki ta yau da kullun, farawar squirrel-cage rotor asynchronous motor koyaushe matsala ce. Daga nazarin farawa da aikin motsa jiki na motar asynchronous, ana iya ganin cewa don ƙara yawan karfin farawa da kuma rage halin yanzu lokacin farawa, ana buƙatar juriya na rotor ya zama mafi girma; yayin da motar ke gudana, don rage yawan amfani da jan ƙarfe na rotor da kuma inganta aikin motar, ana buƙatar juriya na rotor ya zama ƙananan Wasu; wannan a fili sabani ne.

Don motar rotor mai rauni, tun da ana iya haɗa juriya a cikin jerin a farkon, sannan a yanke a lokacin aiki, wannan buƙatun yana da kyau. Duk da haka, tsarin raunin asynchronous mota yana da rikitarwa, farashi yana da yawa, kuma kulawa ba shi da kyau, don haka aikace-aikacensa yana iyakance zuwa wani matsayi; Resistors, yayin da suke gudana da gangan tare da ƙananan resistors. Ramin mai zurfi da motocin rotor na squirrel biyu suna da wannan aikin farawa. A yau, Ms. ta halarci magana game da zurfin Ramin rotor motor.

Deep slot asynchronous motor

Don ƙarfafa tasirin fata, siffar tsagi na zurfin tsagi asynchronous motor rotor yana da zurfi da kunkuntar, kuma rabo daga zurfin tsagi zuwa tsagi nisa yana cikin kewayon 10-12. Lokacin da halin yanzu ke wucewa ta cikin sandar rotor, ɗigon ɗigon maganadisu yana tsaka-tsaki tare da kasan sandar ya fi wanda ke haɗuwa tare da ɓangaren daraja. Sabili da haka, idan an yi la'akari da cewa za a raba mashaya da ƙananan ƙananan Idan an haɗa masu gudanarwa a layi daya, ƙananan masu gudanarwa da ke kusa da kasan ramin suna da mafi girma na yoyon ramin, kuma mafi kusa da ramin, ƙarami na reactance.

 

Lokacin farawa, saboda mitar na'ura mai juyi yana da girma kuma reactance na ɗigo yana da girma, rarrabawar halin yanzu a cikin kowane ɗan ƙaramin madubi zai dogara ne akan haɓakar yayyowar, kuma mafi girman haɓakar ruwan leakage, ƙarami na yanzu. Ta wannan hanyar, a ƙarƙashin aikin irin wannan yuwuwar da aka haifar da babban motsi na magnetic na ratar iska, ƙimar halin yanzu a cikin mashaya kusa da kasan ramin zai zama ƙanƙanta, kuma kusa da ramin, mafi girman halin yanzu. yawa.

Saboda tasirin fata, bayan yawancin halin yanzu an matse shi zuwa ɓangaren sama na mashaya jagora, rawar jagorar jagorar da ke ƙasan tsagi kaɗan ne. Haɗu da buƙatun babban juriya lokacin farawa. Lokacin da aka kunna motar kuma motar tana gudana akai-akai, tun da mitar na'ura mai juyi yana da ƙasa sosai, reactance na iskar rotor ya fi ƙanƙanta fiye da juriya na rotor, don haka rarraba na yanzu a cikin ƙananan na'urorin da aka ambata a baya zai zama galibi. ƙaddara ta juriya.

 

Tun da juriya na kowane ƙananan madugu daidai yake, na yanzu a cikin mashaya za a rarraba shi daidai, don haka tasirin fata ya ɓace, kuma juriya na rotor bar ya zama karami, kusa da juriya na DC. Ana iya ganin cewa juriya na rotor a cikin aiki na al'ada zai ragu ta atomatik, ta haka ne ya gamsar da sakamakon rage yawan amfani da tagulla da inganta ingantaccen aiki.

Menene tasirin fata?Sakamakon fata kuma ana kiransa tasirin fata. Lokacin da alternating current ya ratsa ta cikin madugu, na yanzu zai maida hankali akan saman madubin kuma yana gudana. Ana kiran wannan sabon abu da tasirin fata. Lokacin da halin yanzu ko ƙarfin lantarki ke gudana a cikin madugu tare da mafi girman mitar electrons, za su taru a saman jimlar madugun maimakon a rarraba su daidai a cikin yanki na yanki na gaba ɗaya.

Tasirin fata ba wai kawai yana rinjayar juriya na rotor ba, har ma yana rinjayar amsawar rotor leakage reactance. Daga hanyar juzu'in ɗigon ramuka, ana iya ganin cewa abin da ke wucewa ta cikin ƙaramin madubi ne kawai ke haifar da ɗigon ruwa daga ƙaramin madubi zuwa ƙima, kuma baya haifar da ɗigon ruwan daga ƙaramin madubi zuwa ƙasan ɗigon ruwa. ramin. Domin na karshen ba shi da alaka da wannan halin yanzu. Ta wannan hanyar, don girman halin yanzu, kusa da kasan ramin, mafi yawan ɗigon ruwa za a haifar da shi, kuma kusa da buɗe ramin, ƙarancin ɗigon ruwa zai haifar. Ana iya ganin cewa lokacin da tasirin fata ya matse na yanzu a cikin mashaya zuwa ga daraja, ramin ɗigon maganadisu yana raguwa ta hanyar wannan halin yanzu yana raguwa, don haka raƙuman ramin ya ragu. Don haka tasirin fata yana ƙara juriya na rotor kuma yana rage yawan amsawar rotor.

Ƙarfin tasirin fata ya dogara ne akan yawan juzu'i na yanzu da girman siffar ramin. Mafi girman mitar, zurfin siffar ramin, kuma mafi mahimmancin tasirin fata. Rotor iri ɗaya tare da mitoci daban-daban za su sami sakamako daban-daban na tasirin fata, sabili da haka ma'aunin rotor shima zai bambanta. Saboda haka, juriya na rotor da reactance amsawa yayin aiki na yau da kullun da farawa yakamata a bambanta sosai kuma ba za a iya rikicewa ba. Don irin wannan mita, tasirin fata na rotor mai zurfi mai zurfi yana da karfi sosai, amma tasirin fata kuma yana da wani tasiri akan tsarin gama gari na rotor cage squirrel. Sabili da haka, har ma don rotor-squirrel-cage rotor tare da tsari na kowa, sigogin rotor a farawa da aiki ya kamata a lissafta daban.

Reactance mai juyi mai jujjuyawa na injin asynchronous mai zurfin rami, saboda siffar rotor Ramin yana da zurfi sosai, kodayake an rage shi ta tasirin tasirin fata, har yanzu ya fi girma fiye da na yau da kullun squirrel cage rotor leakage reactance bayan raguwa. Saboda haka, ƙarfin wutar lantarki da matsakaicin karfin juzu'i na injin rami mai zurfi sun ɗan yi ƙasa kaɗan fiye da na injin keji na squirrel na yau da kullun.

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Lokacin aikawa: Maris 31-2023