Shigowa da
Motar induction na'urar lantarki ce da ke juyar da makamashin lantarki zuwa makamashin injina. A fagen aikin injiniyan lantarki, saboda farawa da kansa da kuma ƙarfin ƙarfinsa, ana amfani da shi sosai azaman na'urar tuƙi don injuna da kayan aiki da yawa. Akwai nau'ikan rotors guda biyu da ake amfani da su: kejin squirrel daSaka zobe. A yau, da, bytune zai, tare da ku, la'akari da abin da mitunan shigarwar shine, yadda yake aiki, kuma yana gwada tsarin, wasannin, da sauransu na nau'ikan rotors guda biyu.
Menene ma'anar hanyar shiga da kuma tsarin aikinta
Motar shigar, wanda aka sani da motar asynchronous, injin AC ne. Ya ƙunshi manyan sassa guda biyu: stator da rotor. Bugu da ƙari, yana kuma haɗa da abubuwan haɗin gwiwa kamar murfin ƙarshen, bearings, da magoya baya.
• Stator: Shi ne wurin tsaye na motar, wanda ya haɗa da maƙallin stator, iskar iska, da firam. Na'urar iskar gas tana da yawa da aka tsara akai-akai da coils masu alaƙa. Wadannan coils an saka su a cikin ramukan stator core. Ta hanyar wuce sau uku-lokaci alternating current ta cikin su, ana haifar da filin maganadisu mai juyawa.
• Rotor: Rotor shine wani ɓangaren motocin, wanda zai iya samar da Torque na lantarki don fitar da motar da kayan aikin don juyawa. Mafi maimaitawa shine "squirrel - keji" mai kunnawa ne da sanduna da ke haifar da tsawon sa, gajere - da'ira a duka ƙarshen ta hanyar zobba. Koyaya, "Rotor Rotor" tare da zamewa - zobba da masu jure na waje kuma sun shahara sosai.
Ta yaya Motar Induction ke Aiki?
Motar induction yafi sassan sassa biyu: stator da maimaitawa. Lokacin da uku - ana amfani da yanayin yanzu a cikin iska iska, ana iya haifar da filin juji a cikin mai duba. Redchronous syncronous NS {{1} {to} f / p, inda:
F shine mita da wutar lantarki (a Hertz, HZ).
p shine adadin nau'ikan sandar sandar motar.
Kuma dangi mai tsotsa, maimaitawa a cikin motar na iya yanke layen magnetic don samar da ikon da za a haifar da ƙarfi. Tunda mai juyawa yana kafa madauki mai rufewa, karfi mai ƙarfi na lantarki zai haifar da jawowar juyin halitta a cikin Reotor mai Rotor.
A cewar dokar Lenz, gonar magnetic da ta haifar da ma'amala ta yanzu tare da juyawa filin magnetic, samar da rotque filin ya fara juyawa. Koyaya, mai jujjuyawa koyaushe yana juyawa a cikin sauri ƙasa da saurin synchronous. Yawan slip s =} NS-NS (nr shine saurin juyawa na motar shigarwar). Wannan darajar gabaɗaya ce tsakanin 1% zuwa 5%.
Menene Slip - Ring and Squirrel - Cage Rotors Amfani da Motocin Induction?
• Abin da shi ne: Zamewar zobe wani bangare ne na rauni - rotor induction motor. Ya ƙunshi zoben conductive, goge, goga mariƙin, insulating kayan, da dai sauransu The rotor winding na wani zamewa zobe shigar da mota ne mai uku-lokaci winding da alaka a cikin wani tauraro siffar, da uku kanti tashoshi suna bi da bi da alaka da uku conductive zobba.
• Ƙa'idar aiki: Lokacin da motar ke gudana, ana haifar da ƙarfin lantarki da aka haifar da halin yanzu a cikin iska. Ta hanyar zamewa lamba tsakanin goga da kuma conductive zobba, halin yanzu a cikin rotor winding yana kaiwa zuwa waje kewaye. Ana amfani da wannan don sarrafa farawa, daidaita saurin gudu, birki, da sauran ayyukan motar.
Rotor na Squirrel
Abin da yake:Da squirrel - keji shine mai rotor da aka yi amfani da shi a cikin squirrel - injin keji. Yana samun sunanta saboda kullun siffar ta yi kama da keji da keji. Squirrel - Cage Rotor ya ƙunshi sanders da yawa na sarrafawa waɗanda aka saka a cikin rumfunan rotor ƙarshen biyu. Smallaramin - Sized Caby - Syding Motoci gaba ɗaya suna amfani da Cast - an welds 100 na sama da ƙawan tagulla da ƙarshen tagulla.
Ka'idar aiki:A lokacin aiki, bayan uku - lokaci alternating current an yi amfani da iskar gas mai jujjuyawa, ana haifar da filin maganadisu mai jujjuya a cikin stator. Wannan filin maganadisu yana jujjuya cikin stator a cikin saurin aiki tare kuma yana yanke squirrel - sanduna masu ɗaukar nauyi akan na'urar. Tun da squirrel - keji conductive sanduna aka rufe conductive madaukai a cikin na'ura mai juyi ramummuka, a lokacin da Magnetic filin yana yanke sanduna, wani jawo electromotive karfi da kuma jawo halin yanzu ake samu a cikin sanduna. Yana motsa rotor don yin motsin motsin motsin motsin motsin motsin motsi.
Kwatanta Rotors Biyu
|
Kwatanta Abubuwan |
Slip Sle Rotor |
Rotor na Squirrel |
|
Rukunin Tsari |
Karin hadaddun, tare da Stator, Rotor, zobba da goge |
Mai sauki, yafi hade da statori da squirrel - keji |
|
Faɗawa |
yana da iska guda uku-lokaci, ana iya haɗa abubuwa kamar na waje resistors |
ba za a iya haɗa waje da resistor. |
|
Goyon baya |
Ana iya maye gurbin kaɗan ba, ana iya maye gurbinsu bayan sutura |
matakin gabaɗaya |
|
Fara Ayyuka |
Manyan farawa / babban farawa da ƙarfin iko |
in mun gwada da ƙananan farawa / babban farawa a halin yanzu yayin farawa kai tsaye |
|
Ka'idar Gudu |
tare da santsin tsarin saurin gudu, kuma ana iya keɓance shi zuwa 10, 000 rpm |
ba sauƙin daidaitawa ba, gabaɗaya yana aiki a koyaushe |
|
Farashin |
ya bambanta don kayan daban-daban |
Karancin masana'antu |
|
Ayyukan Aiki |
babban amincin aiki, don daraja - goge ƙarfe, lambobin sadarwa, da ingantaccen tsari |
matsakaici, don magance tsarin yana da sauki |
|
Yanayin da aka zartar |
lokatai tare da manyan buƙatu don farawa juzu'i da sauri - aikin ƙa'ida, kamar cranes da winches |
lokaci-lokaci tare da akai-akai - saurin aiki, kamar kayan aikin samar da masana'antu da kayan aikin gida |
Fa'idodin Zamewa Zobba akan Caji na Squirrel a cikin Motocin Induction
Ko da yake tsarin squirrel - keji ya fi ƙarfi, zamewa - rotor zobe kuma yana kawo fa'idodi da yawa ga zamewar - induction motor, kamar:
• mafi girma fara torque:The Slip - Zoben na iya samar da babban farawa da ikon ikon ta hanyar shigar da tsayayya ta cikin kewayon juyawa. Sabili da haka, lokacin zamewa - ana amfani da motocin zobe na ringi a cikin cranes da cin nasara waɗanda ke buƙatar farawa da kaya kuma su shawo kan rijiyoyin da suka dace.
Ƙananan Farawa Yanzu:Kamar yadda muka sani, yawan lokacin farawa na iya haifar da tasiri mai mahimmanci akan grid na wutar lantarki. Lokacin da aka saka resistor a cikin zamewar rotor na zobe, lokacin farawa zai ragu. Wannan shi ne saboda lokacin da juriya na na'ura mai juyayi ya karu, ƙarfin rotor yana raguwa, kuma bisa ga ka'idar taswirar, ma'aunin stator zai ragu daidai da haka.
• Saurin fadada - tsari:Motar shigar da zobe na zamewa na iya cimma ƙa'idar saurin gudu ta canza ƙimar resistor da aka haɗa a cikin da'irar rotor. Wannan yana da amfani sosai a cikin wasu ƙarfe - kayan aikin sarrafawa, irin su lathes da injin niƙa. Lokacin da resistor da aka haɗa ya karu, saurin motar yana raguwa; akasin haka, lokacin da mai haɗa resistor ya ragu, saurin motar yana ƙaruwa. Wannan wani abu ne da squirrel - cage induction Motors ba zai iya yi ba.
Faq
Tambaya: Yadda za a kula da zamewa - zobe na zamewa - motar induction zobe?
A: Bayan amfani, da sauri tsaftace ƙura da aka tara a saman zamewa - zobba kuma cikin gibin ɗin tsakanin abubuwan haɗin. Hakanan kuna buƙatar bincika yanayin sanya yanayin goge da maye gurbin overly brushes a kan kari hanya. Wannan na iya tabbatar da kyakkyawar lamba mai kyau tsakanin goge da zamewa - zobba. Bugu da kari, duba ko rufin aikin slip - zobba ne al'ada.
Tambaya: Me za ku yi idan fara halin yanzu na squirrel - Motar keji ya yi yawa?
A: Idan farkonta ya yi yawa, yana iya haifar da ƙarin tashin hankali da juriya. Kuna iya ɗaukar raguwar hanyar da aka samu - ƙarfin lantarki, kamar tauraro - Delta fara, da wutar lantarki farawa, da sauransu, don rage farawa. A madadin haka, Hakanan zaka iya zaɓar mai dacewa mai laushi - mai farawa ko mai juyawa mai juyawa don sarrafa tsarin farawa.
Tambaya: Menene bambanci tsakanin zamewa - motar induction na zobe da injin DC?
A: Scrip - Motar jan hankali shine motar ac, kuma ana samar da rotor na yanzu ta hanyar shiga lantarki. Sabanin haka, mai jujjuyawa na halin da ake kawo hanyar DC kai tsaye ta hanyar goge da wani aiki. Bugu da kari, ka'idodin aikinsu, tsarin, da wasannin suna daban. Don ƙarin cikakken bayani, zaku iya tuntuɓi ƙungiyar injiniyanmu.
Ƙarshe
Daga abin da ke sama, zamu iya cewa zamewa - zobe da squirrel - cages kowanne yana da halayensa a cikin induction Motors. A cikin sauƙi, idan kuna da manyan buƙatu don farawa juzu'i da sauri - ikon ƙa'ida, zamewa - motar shigar da zobe na iya zama mafi dacewa da ku. Koyaya, idan kuna da tsauraran buƙatun farashi kuma kuna son amfani da shi akai-akai - kayan aiki na sauri, zaku iya zaɓar squirrel - cage induction motor.
A cikin aikace-aikace aikace-aikace, muna buƙatar zaɓar nau'in motar da ta dace gwargwadon takamaiman kayan masana'antu da buƙatun amfani. Kuma idan kana son karin bayani, labarinmu "Menene amfani da zoben zobba a cikin wani madadin?"Hakanan yana iya zama taimako. A matsayin mai siyar da zobe na zamewa sama da shekaru 26, ByTune yana da kwarin gwiwa wajen samar da ingantaccen zamewa - zoben ga kowane injin shigar ku.