Musiyano pakati pemhando dzakasiyana dzemotor

1. Kusiyana pakati peDC uye AC motors

DC mota chimiro dhizaini

AC mota chimiro dhizaini

DC mota dzinoshandisa yakananga ikozvino sosi yavo yemagetsi, nepo AC mota dzinoshandisa alternating ikozvino seyawo simba sosi.

Zvimiro, musimboti weDC motors iri nyore, asi chimiro chakaoma uye hachisi nyore kuchengetedza. Iyo musimboti we AC mota dzakaoma asi chimiro chiri nyore, uye chiri nyore kuchengetedza kupfuura DC mota.

Panyaya yemutengo, maDC motors ane simba rakafanana akakwira kupfuura AC mota. Kusanganisira iyo yekumhanyisa yekudzora mudziyo, mutengo weDC wakakwira kupfuura iwo weAC. Zvechokwadi, kunewo misiyano mikuru mukugadzirisa uye kugadzirisa.
Panyaya yekushanda, nekuti kumhanya kweDC motors kwakagadzikana uye kukurumidza kudzora kwakanyatso, izvo zvisingawanikwe neAC motors, DC mota dzinofanirwa kushandiswa pachinzvimbo che AC motors pasi pezvinodiwa zvekumhanya.
Iyo yekumhanyisa kudzora kwema AC motors yakaoma, asi inoshandiswa zvakanyanya nekuti zvidyarwa zvemakemikari zvinoshandisa AC simba.

2. Misiyano pakati pe synchronous uye asynchronous motors

Kana rotor ichitenderera pakukurumidza kwakafanana ne stator, inonzi synchronous motor. Kana iwo asina kufanana, anonzi asynchronous mota.

3. Musiyano pakati peakajairwa uye akasiyana frequency mota

Chekutanga, mota dzakajairwa hadzigone kushandiswa seyachinja frequency mota. Ojaija mota dzakagadzirwa zvinoenderana neanogara frequency uye anogara ari voltage, uye hazvigoneke kuchinjika zvizere kune zvinodikanwa zve frequency converter yekumhanyisa regulation, saka haigone kushandiswa seyachinja frequency motors.
Iko kukanganiswa kwema frequency converters pamamotors kuri kunyanya pakubudirira uye kukwira kwekushisa kwemamotor.
Iyo frequency converter inogona kuburitsa madhigirii akasiyana eharmonic voltage uye yazvino panguva yekushanda, kuitira kuti mota inomhanya pasi peiyo isiri-sinusoidal voltage uye yazvino. Iyo yakakwirira-yakarongeka harmonics mairi ichaita kuti iyo motor stator mhangura kurasikirwa, rotor mhangura kurasikirwa, kurasikirwa kwesimbi uye kuwedzera kurasikirwa kuwedzera.
Iyo inonyanya kukosha yeiyi ndiyo rotor mhangura kurasikirwa. Kurasikirwa uku kuchaita kuti mota iwedzere kupisa, kuderedza kushanda zvakanaka, kuderedza simba rekubuda, uye kukwira kwekushisa kwemamotor akajairika kunowanzo kuwedzera ne10% -20%.
Iyo frequency converter carrier frequency inotangira kubva akati wandei kilohertz kusvika kune anopfuura gumi kilohertz, izvo zvinoita kuti stator mhepo yemota imire yakakwira zvakanyanya voltage kukwira, izvo zvakaenzana nekushandisa yakanyanya kukwira simba remhepo kumota, zvichiita kuti ipindire. insulation yemota inomira muyedzo wakanyanya.
Kana mota dzakajairwa dzichifambiswa nema frequency converter, iyo vibration uye ruzha rwunokonzerwa nemagetsi, mechanic, ventilation uye zvimwe zvinhu zvinozonyanya kuoma.
Iwo maharmonics ari mune inosiyana frequency magetsi emagetsi anokanganisa neakasikwa spatial harmonics ye electromagnetic chikamu chemota, ichigadzira akasiyana emagetsi emagetsi ekusimudzira masimba, nekudaro achiwedzera ruzha.
Nekuda kwehupamhi hwekushanda frequency renji yemota uye yakakura yekumhanya siyana siyana, mafambisirwo eakasiyana emagetsi emagetsi mafungu akaoma kudzivirira iwo ekuzvarwa vibration frequencies yeakasiyana zvimiro zvikamu zvemota.
Apo simba rekupa simba rakaderera, kurasikirwa kunokonzerwa ne-high-order harmonics mumagetsi makuru; kechipiri, kana kumhanya kwemota inoshanduka kukadzikiswa, mhepo inotonhorera inodzikira yakananga kune cube yekumhanya, zvichikonzera kupisa kwemota kusabviswa, kukwira kwekushisa kunowedzera zvakanyanya, uye zvakaoma kuwana. kugara torque kubuda.

4. Musiyano wechimiro pakati peakajairwa mota uye akasiyana frequency mota

01. Higher insulation level zvinodiwa
Kazhinji, iyo insulation level yeinosiyana frequency motors ndeye F kana kupfuura. Iko kuvharidzira pasi uye simba rekudzivirira kwetambo kutendeuka kunofanira kusimbiswa, uye kukwanisa kwekudzivirira kutsungirira simba remhepo kunofanira kutariswa zvakanyanya.
02. Kudengenyeka kwepamusoro uye kudiwa kweruzha kune akasiyana frequency motors
Variable frequency motors dzinofanirwa kunyatso funga kuomarara kwezvikamu zvemota uye yese, uye edza kuwedzera iwo echisikigo frequency kudzivirira resonance neimwe simba wave.
03. Nzira dzakasiyana dzekutonhodza dzemhando dzakasiyana dzemagetsi
Variable frequency motors vanowanzo shandisa kumanikidzwa kufefetera kutonhora, kureva kuti, iyo huru mota inotonhorera fan inofambiswa nemota yakazvimirira.
04. Matanho ekudzivirira akasiyana anodiwa
Kutakura nhanho dzekudzivirira dzinofanirwa kugamuchirwa kune akasiyana frequency motors ane huwandu hunodarika 160KW. Izvo zvakanyanya nyore kugadzira magineti wedunhu asymmetry uye shaft ikozvino. Kana iyo yazvino inogadzirwa nezvimwe zvakakwirira-frequency zvikamu zvakabatanidzwa, shaft ikozvino inozowedzera zvakanyanya, zvichikonzera kutakura kukuvara, saka matanho ekudzivirira anowanzo kutorwa. Kune anogara achichinja emagetsi ma frequency motors, kana kumhanya kuchipfuura 3000/min, yakakosha-yepamusoro-tembiricha inodzivirira girisi inofanirwa kushandiswa kutsiva kuwedzera tembiricha yekubereka.
05. Yakasiyana kutonhora system
Iyo inochinja frequency mota yekutonhodza fan inoshandisa yakazvimiririra magetsi kuti ive nechokwadi chinoenderera kutonhora.

2.Basic ruzivo rwemagetsi

Kusarudzwa kwemotokari
Izvo zvakakosha zvemukati zvinodiwa pakusarudza mota ndezvi:
Mhando yemutoro unotyairwa, yakayerwa simba, yakayerwa voltage, yakayerwa kumhanya, uye mamwe mamiriro.
Rodha mhando · DC mota · Asynchronous mota · Synchronous mota
Kuenderera mberi kugadzira muchina une mutoro wakagadzikana uye pasina zvakakosha zvinodiwa zvekutanga uye mabhureki, zvechigarire magineti synchronous motors kana akajairwa squirrel cage asynchronous motors anofanirwa kusarudzwa, ayo anoshandiswa zvakanyanya mumichina, pombi dzemvura, mafeni, nezvimwe.
Kwemakina ekugadzira anogara achitanga uye mabhureki uye anoda hombe yekutanga uye braking torque, senge mabhiriji makirani, zvikwiriso zvemugodhi, mhepo compressors, isingadzokeke inotenderedza mill, nezvimwewo, zvechigarire magineti synchronous motors kana ronda asynchronous motors dzinofanira kushandiswa.
Kune dzimwe nguva dzisina kumhanyisa kudzora zvinodiwa, uko kunogara kumhanyisa kunodiwa kana simba remagetsi rinoda kuvandudzwa, magineti echigarire anoenderana motors anofanirwa kushandiswa, senge epakati uye hombe emvura pombi, mhepo compressors, hoist, zvigayo, nezvimwe.
Kumakina ekugadzira anoda kukurumidza kudzora huwandu hweanopfuura 1: 3 uye inoda kuenderera, yakagadzikana uye yakatsetseka kukurumidza kudzora, zvinokurudzirwa kushandisa zvechigarire magineti synchronous motors kana zvakasiyana kufara DC motors kana squirrel cage asynchronous motors ine inosiyana frequency frequency regulation, senge maturusi emuchina wakakura, gantry planers, mill rolling, hoist, nezvimwe.
Kazhinji kutaura, mota inogona kuverengerwa nekupa iyo inotyairwa mutoro mhando, yakayerwa simba, yakayerwa voltage, uye yakayerwa kumhanya kwemota.
Nekudaro, kana zvinodikanwa zvemutoro zvichazadzikiswa zvakakwana, aya maparamita ekutanga ari kure nekukwana.
Mamwe ma paramita anoda kupihwa anosanganisira: frequency, yekushanda sisitimu, zvakawandirwa zvinodiwa, nhanho yekudzivirira, nhanho yekudzivirira, nguva ye inertia, kuremerwa torque curve, yekuisa nzira, ambient tembiricha, urefu, zvinodiwa zvekunze, nezvimwe (zvichipihwa zvinoenderana nezvakatsanangurwa mamiriro)

3.Basic ruzivo rwemagetsi

Matanho ekusarudza mota
Kana motokari ichimhanya kana kukundikana, nzira ina dzekutarisa, kuteerera, kunhuwa uye kubata zvinogona kushandiswa kudzivirira uye kubvisa kukanganisa munguva kuti kuve nechokwadi chekushanda kwakachengeteka kwemotokari.
1. Tarisa
Cherechedza kana pane zvisizvo panguva yekushanda kwemotokari, iyo inonyanya kuratidzwa mumamiriro ezvinhu anotevera.
1. Kana stator winding ipfupi-circuited, unogona kuona utsi huchibuda mumotor.
2. Kana iyo motokari yakanyanyisa kuremerwa kana kushanda mukurasikirwa kwechikamu, kukurumidza kunononoka uye pachava nekuremera kwe "buzzing" inzwi.
3. Apo injini iri kushanda zvakanaka, asi kamwe kamwe inomira, iwe uchaona mazhenje achibuda kunze kwekubatana kwakasununguka; fiyuzi inopeperetswa kana kuti chikamu chakanamira.
4. Kana motokari ichizununguka nechisimba, zvingave kuti chigadziro chekufambisa chakanamatira kana kuti motokari haina kugadziriswa zvakanaka, mabhoti etsoka akasununguka, nezvimwewo.
5. Kana paine discoloration, mavanga ekupisa uye zvitsinga zveutsi panzvimbo dzekuonana nekubatanidza mukati memota, zvinoreva kuti panogona kunge paine kupisa kwenzvimbo, kusabatana kwakashata pakubatanidza kondukita kana kupiswa kwemhepo, nezvimwe.
2. Teerera
Kana mota ichimhanya zvakajairika, inofanirwa kuburitsa yunifomu uye yakareruka "buzzing" ruzha, pasina ruzha uye yakakosha manzwi.
Kana ruzha rwakanyanyisa, kusanganisira ruzha rwemagetsi, ruzha, ruzha rwemhepo, ruzha rwemagetsi, nezvimwe, inogona kunge iri precursor kana kukanganisa.
1. Kuruzha rwemagetsi, kana mota ikaita ruzha rwakakwira, rwakaderera uye runorema, zvikonzero zvingave zvinotevera:
(1) Mhepo yemhepo pakati pe stator ne rotor haina kuenzana. Panguva ino, inzwi rakakwirira uye rakaderera, uye nguva pakati pepamusoro uye pasi inonzwika inoramba isina kuchinja. Izvi zvinokonzerwa nekutakura kupfeka, izvo zvinoita kuti stator uye rotor irege kudzika.
(2) Iyo yechitatu-chikamu ikozvino haina kuenzana. Izvi zvinokonzerwa nenhatu-phase winding ichidzika pasi zvisizvo, short-circuited kana kusasangana kwakashata. Kana ruzha rwusina kujeka, zvinoreva kuti mota yaremerwa zvakanyanya kana kumhanya nenzira yekushaikwa.
(3) Mboro yesimbi yakasununguka. Munguva yekushanda kwemota, kuzunguzika kunoita kuti simbi yesimbi inogadzirisa mabhaudhi isununguke, zvichiita kuti iron core silicon simbi simbi isunungure uye iite ruzha.
2. Kutakura ruzha, unofanira kuitarisa kakawanda panguva yekushanda kwemotokari. Iyo yekutarisa nzira ndeye: isa imwe mugumo we screwdriver uchipokana neyakatakura yekuisa chikamu uye imwe magumo padyo nenzeve yako, uye iwe unogona kunzwa ruzha rwekubereka ichimhanya. Kana tambo ichishanda zvakanaka, ruzha rwunoramba rwuripo uye rwakanaka rwe "rustling", pasina kana kuchinjika kana kurira kwesimbi.
Kana manzwi anotevera akaitika, chiitiko chisina kujairika:
(1) Pane kamutinhimira kanoti “kudzvova” kana bepa richimhanya. Iri isimbi friction sound, iyo inowanzokonzerwa nekushaikwa kwemafuta mukutakura. Kutakura kunofanira kuparadzaniswa uye huwandu hwakakodzera hwegirisi hunofanira kuwedzerwa.
(2) Kana “kurira” kukaitika, uku kunzwika kunoitwa kana bhora richitenderera. Zvinowanzokonzerwa nekuoma kwegirisi kana kushaikwa kwemafuta. Chiyero chakakodzera chegirizi chinogona kuwedzerwa.
(3) Kana “kudzvanya” kana kuti “kudzvova” kukaitika, inzwi rinobudiswa nokusafamba kusingaenzaniswi kwebhora mukutakura. Izvi zvinokonzerwa nekukuvadzwa kwebhora mukutakura kana kusashandiswa kwenguva refu kwemotokari, zvichiita kuti kuomeswa kwegirisi.
3. Kana iyo nzira yekufambisa uye inofambiswa ichiita ruzha runoramba ruchienderera panzvimbo yezwi rinoshanduka, rinogona kubatwa maererano nemamiriro ezvinhu anotevera.
(1) Periodic "pop" ruzha runokonzerwa nebhandi risina kuenzana.
(2) Periodic "dong dong" ruzha runokonzerwa nekusunungura pakati pekubatanidza kana pulley uye shaft, pamwe nekupfeka kwekiyi kana kiyi.
(3) Kudhumhana kusina kuenzana kunokonzerwa nekudhumhana kwemashizha nekavha yefeni.

3. Kunhuwa
Kutadza kunogonawo kutongwa uye kudzivirirwa nekunhuwa mota.
Vhura junction box woinhuwidza kuti uone kana pane munhuwi wakatsva. Kana kunhuhwirira kwakakosha kwependi kunowanikwa, zvinoreva kuti kupisa kwemukati kwemotokari kwakanyanyisa; kana kunhuhwirira kwakasimba kwekutsva kana kunhuhwirira kwakatsva kunowanikwa, zvinogona kunge kuti iyo insulation layer yekuchengetedza mambure yakaputsika kana kuti mhepo yakatsva yakapiswa.
Kana pasina kunhuhwirira, zvinodikanwa kushandisa megohmmeter kuyera kudzivirira kwekudzivirira pakati pemhepo uye casing. Kana iri pasi pe 0.5 megohms, inofanira kuomeswa. Kana kupikisa kuri zero, zvinoreva kuti yakakuvadzwa.
4. Bata
Kubata tembiricha yezvimwe zvikamu zvemota zvinogonawo kuona chikonzero chekukanganisa.
Kuti uve nechokwadi chekuchengetedza, shandisa kumashure kweruoko rwako kubata mota casing uye zvikamu zvakatenderedza zvekutakura.
Kana tembiricha isina kujairika, zvikonzero zvinogona kuva zvinotevera:
1. Kutadza kufema zvakanaka. Zvakadai se fan inodonha, kuvharika kwe duct blockage, nezvimwe.
2. Overload. Ikozvino yakanyanyisa uye stator winding yakanyanyisa.
3. The stator winding turning are short-circuited or the three-phase current is unbalanced.
4. Kugara uchitanga kana kubhureki.
5. Kana tembiricha yakatenderedza kutakura yakanyanyisa, inogona kukonzerwa nekutakura kukanganisa kana kushayikwa kwemafuta.

Motokari inotakura tembiricha mitemo, zvikonzero uye kurapwa abnormalities

Mitemo inotaura kuti tembiricha yepamusoro yekukunguruka haipfuure 95 ℃, uye tembiricha yepamusoro yekutsvedza haipfuure 80 ℃. Uye tembiricha yekukwira haipfuure 55 ℃ (tembiricha yekukwira ndiyo tembiricha yekubereka minus ambient tembiricha panguva yekuyedzwa).

Zvikonzero uye marapirwo ekuwedzera tembiricha yekukwira:

(1) Chikonzero: Shaft yakakombama uye mutsetse wepakati hauna chokwadi. Kurapa: Tsvaga nzvimbo yacho zvakare.
(2) Chikonzero: Zvigadziko zvenheyo zvakasununguka. Kurapa: Simbisa masiruu enheyo.

(3) Chikonzero: Mafuta ekuzora haana kuchena. Kurapa: Tsiva mafuta.

(4) Chikonzero: Mafuta akashandiswa kwenguva yakareba uye haana kutsiviwa. Kurapa: Chenesa mabearings uye wotsiva mafuta ekuzora.
(5) Chikonzero: Bhora kana roller muberesheni yakakuvadzwa. Kurapa: Tsiva fani yacho neitsva.

Anhui Mingteng Permanent-Magnetic Machinery & Electrical Equipment Co., Ltd.(https://www.mingtengmotor.com/) yakawana makore gumi nemanomwe ekukura nekukurumidza. Iyo kambani yakagadzira uye yakagadzira anopfuura zviuru zviviri zvechigarire magineti mota mune akajairwa, akasiyana frequency, kuputika-uchapupu, kusiyanisa frequency kuputika-uchapupu, dhiraivha yakananga, uye kuputika-uchapupu hwakananga dhiraivha. Iwo mamotor akashandiswa zvinobudirira pamafani, pombi dzemvura, mabhandi ekutakura, magiyo ebhora, mamikisi, macrusher, scrapers, pombi dzemafuta, michina yekutenderera uye zvimwe zvinotakura munzvimbo dzakasiyana senge migodhi, simbi, uye magetsi, kuwana yakanaka-yekuchengetedza simba mhedzisiro. uye kuwana mukurumbira mukuru.

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