15kw sew magiya bldc mota vagadziri muIndia
Parizvino, kune marudzi matatu emotor anoshandiswa mumabhasikoro emagetsi:
Brush low speed mota. Iyo mota ine brashi, hapana inoderedza uye yakapusa chimiro. Mutengo wacho wakaderera, asi kushanda kwacho kwakadzikira, uye kukwira nekuremedza simba kwakashata. Hapana chinodzikisira giya mudziyo, chimiro chakareruka, mutengo wakaderera, urombo kutanga uye kukwidza kuwandisa huwandu, hombe mashandisiro emagetsi.
Brush high speed motor. Iyo mota ine brashi, ine hupenyu hurefu hwebasa uye iri nyore kutsiva nekuchengetedza. Iyo ine inodzikisira, ine yakanyanya kushanda zvakanaka, yakasimba yakawandisa yekukwira kugona, hombe yekutanga torque, asi karuzha. Iyo mota ine hunyanzvi hwepamusoro, kugona kwakasimba kukwira uye hombe yekutanga torque. Inoburitsa simba mushure mekudzikisira kuburikidza neiyo inoshanduka yekumhanyisa giya mudziyo, ine ruzha. Nekuti bhurashi yakakwira-kumhanya mota ine kumhanya kwakanyanya (3000 rpm yeyakakwira-kumhanya mota uye 500 rpm kune yakaderera-kumhanya mota), inoda kuburitsa yakakura torque simba mushure mekudzikira kuburikidza nemudziyo wekudzikisa giya, saka ruzha rwayo rwakanyanya. kupfuura iyo yemota yakaderera-speed. Iyo nzira yekugadzira yeyakakwira-kumhanya mota yakanyanya kuomarara kupfuura iyo yakaderera-kumhanya mota. Mutengo wacho wakakwira uye mutengo ungangoita 200 yuan.
Brushless low speed mota. Iyo mota haina brashi uye haina reducer. Iyo ine mabhenefiti ekuchengetedza mahara uye ruzha rwemahara, asi controller yakaoma, kune akawanda mota yekudzora mitsara, yekutanga ikozvino yakakura, uye kuwanda kwekukwira kukwira kwakashata.
Aya marudzi matatu emamota ane zvawo zvakanakira. Parizvino, mota dzinomhanya zvakanyanya dzinoshandiswa zvakanyanya.
Musiyano uripo pakati pavo ndewekuti zvikonzero zvekutenderera kweiyo inotenderera magineti zvakasiyana: (1) ye AC synchronous mota, chikonzero chekutenderera kwe stator magineti ndiyo matatu-phase symmetrical alternating ikozvino inosara kumashure kweumwe neumwe. ne 120 madhigirii, uye kutenderera kwe stator magnetic field ndiyo kukurumidza kuchinja kwekuchinja kwezvino; (2) Iyo DC mota inoumbwa nekushandurwa kweiyo chaiyo chinzvimbo chakabatana necoil nekuda kweiyo inogara voltage yeDC magetsi, uye shanduko yenzvimbo chaiyo yakabatana necoil ndiko kumhanya kwerotor kutenderera; Nenzira iyi, nzira dzavo dzekudzora kumhanya dzakasiyana: (1) ye AC synchronous motors, chikonzero chekutenderera kwe stator magineti ndeye matatu-phase symmetrical alternating ikozvino inosarira kumashure kwe120 madhigirii, uye kutenderera kwe stator. Magnetic field ndiyo shanduko yekumhanya yealternating current; Chero bedzi kukurumidza kwe AC kuchinja kuchinjwa, motokari inomhanya inogona kuchinjwa, kureva, kusiyanisa frequency speed regulation; (2) Iyo DC mota inoumbwa nekushandurwa kweiyo chaiyo chinzvimbo cheiyo coil yekubatanidza neiyo inogara voltage yeDC simba rekupa, uye shanduko yenzvimbo chaiyo yekubatanidza coil inongoenderana nekumhanya kwekutenderera kwe rotor; Chero bedzi iyo rotor kumhanya ichishandurwa, kukurumidza kunogona kuchinjwa, uye kukurumidza kwe rotor kunoenderana zvakananga nemagetsi. Kushandura magetsi kunogona kuchinja kukurumidza, kureva, mutemo wemagetsi;
15kw sew magiya bldc mota vagadziri muIndia
DC yekumhanyisa mutemo haichinje mutoro wemota, nepo AC yekumhanyisa mutemo inoshandura midziyo yekutakura; AC kumhanya mutemo (frequency kutendeuka), kana frequency yasiyana, inductive reactance ye AC mota yakasiyana, uye midziyo yemutoro inochinja zvinoenderana. Iyo haina kugadzikana system, uye zvakaoma kuona yakanaka yekumhanyisa mutemo. DC yekumhanyisa regulation (voltage shanduko) yakanyatsogadzikana sisitimu, iri nyore kuona yakanaka yekumhanyisa mutemo, uye voltage nekumhanya kwemamirimita akati wandei zvinogona kusiyaniswa.
Sezvo kunakidzwa kweiyo brushless DC mota ichibva kune isingaperi magineti, hapana kurasikirwa kwekunakidzwa. Sezvo pasina kuchinjika magineti mu rotor, hapana mhangura kana simbi kurasikirwa pane rotor, uye iyo yakazara kunyatsoshanda inosvika 10 ~ 20% yakakwirira kupfuura iyo yeasynchronous mota ine simba rakafanana (zvichienderana nesimba). Brushless DC mota ine matatu akakwira hunhu hwekunyanya kushanda, yakakwira torque uye yakanyanya kurongeka. Yakanyatsokodzera muchina unoshanda zvinoenderera kwemaawa makumi maviri nemana. Panguva imwecheteyo, ine vhoriyamu diki, huremu huremu, uye inogona kugadzirwa mumhando dzakasiyana dzevhoriyamu. Kuita kwayo kwechigadzirwa kunodarika zvese zvakanakira zvechinyakare DC mota. Ndiyo yakanyanya kunakisa kumhanya inodzora mota nhasi.
Musiyano uripo pakati pavo ndewekuti zvikonzero zvekutenderera kweiyo inotenderera magineti zvakasiyana: (1) ye AC synchronous mota, chikonzero chekutenderera kwe stator magineti ndiyo matatu-phase symmetrical alternating ikozvino inosara kumashure kweumwe neumwe. ne 120 madhigirii, uye kutenderera kwe stator magnetic field ndiyo kukurumidza kuchinja kwekuchinja kwezvino; (2) Iyo DC mota inoumbwa nekushandurwa kweiyo chaiyo chinzvimbo chakabatana necoil nekuda kweiyo inogara voltage yeDC magetsi, uye shanduko yenzvimbo chaiyo yakabatana necoil ndiko kumhanya kwerotor kutenderera; Nenzira iyi, nzira dzavo dzekudzora kumhanya dzakasiyana: (1) ye AC synchronous motors, chikonzero chekutenderera kwe stator magineti ndeye matatu-phase symmetrical alternating ikozvino inosarira kumashure kwe120 madhigirii, uye kutenderera kwe stator. Magnetic field ndiyo shanduko yekumhanya yealternating current; Chero bedzi kukurumidza kwe AC kuchinja kuchinjwa, motokari inomhanya inogona kuchinjwa, kureva, kusiyanisa frequency speed regulation; (2) Iyo DC mota inoumbwa nekushandurwa kweiyo chaiyo chinzvimbo cheiyo coil yekubatanidza neiyo inogara voltage yeDC simba rekupa, uye shanduko yenzvimbo chaiyo yekubatanidza coil inongoenderana nekumhanya kwekutenderera kwe rotor; Chero bedzi iyo rotor kumhanya ichishandurwa, kukurumidza kunogona kuchinjwa, uye kukurumidza kwe rotor kunoenderana zvakananga nemagetsi. Kushandura magetsi kunogona kuchinja kukurumidza, kureva, mutemo wemagetsi;
15kw sew magiya bldc mota vagadziri muIndia
DC yekumhanyisa mutemo haichinje mutoro wemota, nepo AC yekumhanyisa mutemo inoshandura midziyo yekutakura; AC kumhanya mutemo (frequency kutendeuka), kana frequency yasiyana, inductive reactance ye AC mota yakasiyana, uye midziyo yemutoro inochinja zvinoenderana. Iyo haina kugadzikana system, uye zvakaoma kuona yakanaka yekumhanyisa mutemo. DC yekumhanyisa regulation (voltage shanduko) yakanyatsogadzikana sisitimu, iri nyore kuona yakanaka yekumhanyisa mutemo, uye voltage nekumhanya kwemamirimita akati wandei zvinogona kusiyaniswa.
Sezvo kunakidzwa kweiyo brushless DC mota ichibva kune isingaperi magineti, hapana kurasikirwa kwekunakidzwa. Sezvo pasina kuchinjika magineti mu rotor, hapana mhangura kana simbi kurasikirwa pane rotor, uye iyo yakazara kunyatsoshanda inosvika 10 ~ 20% yakakwirira kupfuura iyo yeasynchronous mota ine simba rakafanana (zvichienderana nesimba). Brushless DC mota ine matatu akakwira hunhu hwekunyanya kushanda, yakakwira torque uye yakanyanya kurongeka. Yakanyatsokodzera muchina unoshanda zvinoenderera kwemaawa makumi maviri nemana. Panguva imwecheteyo, ine vhoriyamu diki, huremu huremu, uye inogona kugadzirwa mumhando dzakasiyana dzevhoriyamu. Kuita kwayo kwechigadzirwa kunodarika zvese zvakanakira zvechinyakare DC mota. Ndiyo yakanyanya kunakisa kumhanya inodzora mota nhasi.
Musiyano uripo pakati peDC mota neAC mota Txt6 kushivirira kunoisa hukama hwepedyo, kubvisa kusawirirana, kujekesa kusawirirana uye kunosimudzira kunzwisisana. Musiyano pakati peDC mota uye AC mota Maonero: 4061 mibairo mapoinzi: 0 | nguva yekugadzirisa: 11:15, Kurume 28, 2011 | mubvunzo: aoxiang1208
Basa remota nderekushandura simba remagetsi kuita magetsi emagetsi. Mota dzakakamurwa kuita AC mota uye DC mota.
(1) AC mota uye kutonga kwayo
AC mota dzakakamurwa kuita asynchronous motors uye synchronous motors. Asynchronous mota dzakakamurwa kuita imwechete asynchronous mota, maviri-chikamu asynchronous mota uye matatu-chikamu asynchronous mota zvichienderana nehuwandu hwestator phases. Nhatu chikamu asynchronous mota ine zvakanakira chimiro chakareruka, kushanda kwakavimbika uye mutengo wakaderera, uye inoshandiswa zvakanyanya mukugadzira maindasitiri nekurima.
1. chimiro chekutanga chetatu-phase asynchronous motor
Chimiro chetatu-chikamu asynchronous mota yakakamurwa kuita zvikamu zviviri: stator uye rotor.
(1) Chikamu:
Iyo stator chikamu chakagadziriswa chemota, iyo inoshandiswa kugadzira inotenderera yemagineti. Iyo inonyanya kuumbwa ne stator core, stator winding uye base.
(2) Rotor:
Rotor ndiyo chikamu chakakosha chehunyanzvi. Kune marudzi maviri emarotor: squirrel cage uye rotor ronda. Tenzi hunhu hwavo uye kusiyana. Iyo squirrel cage mota inoshandiswa kune diki nepakati simba (pazasi pe100k). Iyo ine zvakanakira chimiro chakareruka, yakavimbika kushanda uye nyore kushandisa uye kugadzirisa. Rudzi rweronda runogona kuvandudza kushanda kwekutanga uye kugadzirisa kukurumidza. Mhepo yemhepo pakati pe stator uye rotor ichakanganisa kushanda kwemotokari. Kazhinji, iyo mhepo gap ukobvu iri pakati pe 0.2-1.5mm.
Tenzi nzira ye wiring ye stator winding.
15kw sew magiya bldc mota vagadziri muIndia
2. kushanda nheyo yetatu-phase asynchronous motor
Tenzi mafomula n1 = 60f/p, s= (N1-N) /n1, n= (1-s) 60f/p, nzwisisa kukosha kwawo (zvakakosha kwazvo), uye ugone kuchinjika kushandisa aya mafomula pakuverenga. Panguva imwecheteyo, yeuka kuti kutsvedza reshiyo SN yemota iri pasi peyakayerwa mutoro ndeye 0.01-0.06. Mienzaniso iri mubhuku inofanira kunangidzirwa pairi.
3. data pane nameplate yetatu-phase asynchronous mota
(1) Muenzaniso: inyanzvi mienzaniso iri mubhuku.
(2) Yakatemerwa kukosha: kazhinji kunzwisisa uye kugona iyo yakayerwa frequency uye yakayerwa kumhanya. Iyo frequency muChina ndeye 50Hz.
(3) Nzira yekubatanidza: Y rudzi uye rudzi rwekona.
(4) Insulation giredhi uye tembiricha kukwira: tenzi tsananguro yekubvumidzwa kwekushisa kukwira.
(5) Maitiro ekushanda: kunzwisisa kwakawanda.
4. mechanical maitiro etatu-phase asynchronous motor
Tenzi hukama pakati peyakatemerwa torque, yakakura torque uye kutanga torque. Mafomasi ari mubhuku anofanira kuverengerwa uye kushandiswa zvirinani pakuverenga. Rangarira zvakare zvinotevera:
(1) Kana ichitenderera inogara ichimhanya, torque yemota yacho inofanira kuenzanirana ne torque inodzivisa.
(2) Kana torque yemutoro ichiwedzera, torque T (3) yemota panguva yekutanga inowanzoita 1.8-2.2 yematatu-chikamu asynchronous motors.
(4) Kana mota ichangotanga, n=0, s=1
5. kutanga kwetatu-phase asynchronous motor
(1) Kutanga kwakananga
Paunotanga, chiyero chekutsvedza ndeye 1, iyo induced electromotive force mu rotor yakakura kwazvo, uye ikozvino rotor yakakura kwazvo. Kana iyo mota inotangwa pasi peiyo rated voltage, inonzi yakananga kutanga, uye ikozvino yekutanga yakananga inenge 5-7 nguva yeyakayerwa ikozvino. Kazhinji kutaura, madiki madiki asynchronous motors ane rated simba pazasi 7.5kW anogona kutangwa zvakananga.
Zvishandiso zvemagetsi zvinoshandiswa mune yakananga yekutanga kudzora dunhu zvinosanganisira musanganiswa switch, bhatani, yepakati relay ye AC contactor, thermal relay uye fuse. Tenzi hunhu hwavo uye kuverenga kweFuse Rated ikozvino.
Direct kutanga kudzora redunhu: tenzi kudzora kwayo musimboti.
(2) Kudzika pasi kutanga kwe squirrel cage asynchronous mota.
Tenzi misimboti yekushanda yenyeredzi angle kutanga uye nhanho-pasi kutanga kwe autotransformer
(3) Kutanga kweanokuvara matatu-chikamu asynchronous mota
Kunzwisisa kwakazara.
6. kumberi uye kudzosera kumashure kutenderera kutonga kwetatu-chikamu asynchronous mota
Kunzwisisa kwakawanda
7. kukurumidza kudzora kwetatu-chikamu asynchronous mota
Ichi chikamu chinonyanya kukosha, saka tinofanira kunzwisisa fomula. Pane zvinhu zvitatu zvinokwanisa kuchinja kukurumidza kwemotokari, kureva, kushandura nguva yakawanda, kuchinja nhamba yemapuranga emhepo, kana kuchinja slip rate.
8. synchronous motor
(1) Kuvakwa kweiyo synchronous mota
Ichafananidzwa neasynchronous mota. (mibvunzo yechinangwa)
(2) Kushanda musimboti we synchronous mota
Hwisisa kuti kumhanya kweiyo synchronous mota inogara uye haichinji nemutoro. Iko kumhanya kweinjiniya inopindirana haigone kugadziridzwa.
1. Kushanda musimboti weDC mota
Kunzwisisa kwakawanda
2. Kuvakwa kweDC mota
Yakakamurwa kuita zvikamu zviviri: stator uye rotor. Yeuka kuti stator uye rotor inoumbwa nezvikamu izvozvo. Ongorora: usavhiringidze danda re commutator neano commutator, uye rangarira mabasa avo.
Iyo stator inosanganisira: huru magineti danda, furemu, danda rekudzosera, brashi mudziyo, nezvimwe.
Iyo rotor inosanganisira: armature core, armature winding, commutator, shaft uye fan, nezvimwe.
3. Excitation mode yeDC mota
Kuita kweDC mota kwakabatana zvakanyanya neayo ekusimudzira maitiro. Kazhinji, kune mana ekufambisa modhi yeDC mota: DC yakaparadzana inonakidza mota, DC parallel inonakidza mota, DC inoteedzana inonakidza mota uye DC inosanganiswa inonakidza mota. Inyanzvi maitiro enzira ina:
DC yakaparadzana inonakidza mota: iyo yekumhanyisa mhepo haina kubatana kwemagetsi neiyo armature, uye dunhu rekusimudzira rinopihwa neimwe DC magetsi. Naizvozvo, iyo yekunakidzwa ikozvino haina kukanganiswa neiyo armature terminal voltage kana armature ikozvino.
15kw sew magiya bldc mota vagadziri muIndia
DC parallel excitation mota: iyo voltage pamativi ese ari maviri einofananidzira excitation winding ndiyo voltage kumagumo ese earature. Nekudaro, iyo excitation winding inokuvadzwa netambo dzakatetepa uye ine nhamba huru yekutendeuka. Nokudaro, ine kurwisana kukuru, ichiita kuti mhirizhonga inopfuura nepairi idiki.
DC yakatevedzana inonakidza mota: iyo yekuwedzeredza mhepo yakabatana munhevedzano neiyo armature, saka iyo magineti mune iyi mota inochinja zvakanyanya nekuchinja kwearature ikozvino. Kuti usakonzeresa kurasikirwa kukuru uye kudonha kwevoltage mumhepo yekukurudzira, kudiki kupikisa kwemhepo yekukurudzira, zviri nani. Naizvozvo, DC akatevedzana mafaro motors anowanzo kukuvadzwa newaya dzakakora, aine mashoma ekutendeuka.
DC inosanganisirwa mota yekukurudzira: iyo magineti flux yemota inogadzirwa nekunakidzwa kwazvino mumhepo mbiri.
4. Data yehunyanzvi yeDC mota
Tarisa pane yakayerwa kunyatsoshanda uye yakayerwa tembiricha kukwira.
Yakatemerwa kushanda = simba rekubuda / simba rekuisa
Rated tembiricha kukwira zvinoreva kuti tembiricha yemotor inotenderwa kudarika iyo inotenderwa kukosha kwe ambient tembiricha. Kukwira kwetembiricha pazita rezita kunoreva kukwira kwakanyanya kwekushisa kwemhepo inomonereka.
5. Mechanical maitiro eShunt DC mota
Inyanzvi mienzaniso iri mubhuku.
6. Kutanga, kudzoreredza uye kukurumidza kudzora kweShunt DC mota
(1) Kutanga nokudzokera shure kunowanzonzwisiswa.
(2) Speed regulation: kune nzira nhatu dzekumhanyisa mota dzeshunt mota:
Shandura iyo magnetic flux.
Shandura voltage
Shandura loop resistance ye rotor winding.
Tenzi zvazvakanakira nezvazvakaipira.
2. kudzora mota
Kudzora mota inoreva mota inoshandiswa kuona, kuenzanisa, kukwidziridza uye kuuraya mune otomatiki control system.
(1) DC servo mota
Tenzi kurongeka uye hunhu hwechigarire magineti DC servo mota; Musiyano uripo pakati peyakajairwa rotor inogara magineti DC servo mota uye diki inertia rotor DC servo mota.
Kushanda musimboti uye kuita kwechigarire magineti DC servo mota
Nzwisisa musimboti wekushanda uye kwanisa kuita
(2) AC servo mota
Kazhinji nzwisisa chimiro uye musimboti wekushanda we AC servo mota, uye tarisa pakuita kwayo.
(3) Mota yekutsika
Tenzi mabhenefiti uye makuru ekuita zviratidzo zvekutsika mota, uye rumwe ruzivo rwese rwakakwana
Nheyo ye AC mota: iyo coil ine simba inotenderera mune remagineti.
Unoziva here musimboti weDC mota? Iyo DC mota inoshandisa iyo commutator kushandura otomatiki nzira iripo mucoil, kuitira kuti coil itenderere ichienderera munzira imwechete yesimba.
Naizvozvo, chero bedzi kutungamira kwesimba kwecoil kuchienderana, mota inotenderera ichienderera. AC mota ndiko kushandiswa kweiyi poindi.
AC mota inoumbwa ne stator uye rotor. Mumuenzaniso wawataura, stator inonzi electromagnet uye rotor icoil. Iyo stator uye rotor inoshandisa simba rimwechete, saka kutungamira kwezvino mune stator uye rotor nguva dzose inoshandura synchronously, ndiko kuti, kutungamira kwezvino mune coil inoshanduka, uye nzira yezvino mu electromagnet inoshandukawo. Maererano nemutemo wekuruboshwe, kutungamirirwa kwesimba remagineti pane coil hakushanduki, uye coil inogona kuramba ichitenderera.
Pamusoro pebasa rezvindori zviviri zvemhangura: zvindori zviviri zvemhangura zvakagadzirirwa mabhurashi maviri anoenderana, uye ikozvino inoramba ichitumirwa kune coil sechitubu chesimba. Chakanakira dhizaini iyi ndechekuti inodzivirira dambudziko remhepo remagetsi maviri, nekuti coil inoramba ichitenderera. Chii chingaitika kana ukangoshandisa waya mbiri kupa simba kukoiri?
Sezvo ikozvino mukoiri iri AC, pane nguva apo ikozvino yakaenzana ne zero. Zvisinei, nguva iyi ipfupi zvikuru kana ichienzaniswa nenguva kana paine ikozvino. Uyezve, iyo coil ine yakawanda uye inertia, uye iyo inertia coil haizomira.
