Nhoroondo yemagetsi emagetsi inodzokera ku1820, apo Hans Christian Oster akawana magineti emagetsi emagetsi, uye gore rakatevera Michael Faraday akawana kutenderera kwemagetsi uye akavaka yekutanga primitive DC mota.Faraday akawana electromagnetic induction muna 1831, asi hazvina kusvika 1883 apo Tesla akagadzira iyo induction (asynchronous) mota.Nhasi, marudzi makuru emagetsi emagetsi anoramba akafanana, DC, induction (asynchronous) uye synchronous, zvose zvichibva padzidziso dzakagadzirwa uye dzakawanikwa naAlstead, Faraday naTesla makore zana apfuura.
Kubva pakugadzirwa kwemota induction mota, yave mota inonyanya kushandiswa nhasi nekuda kwemabhenefiti emota induction pamusoro pemamwe mota.Mukana mukuru ndewekuti induction motors haidi kubatanidzwa kwemagetsi pakati pezvakamira uye zvinotenderera zvikamu zvemota, saka, hazvidi chero mechanic commutators (mabhurashi) uye iwo emahara emahara motors.Induction motors zvakare ine hunhu hwehuremu huremu, yakaderera inertia, kugona kwakanyanya, uye simba rakawandisa.Nekuda kweizvozvo, dzakachipa, dzakasimba, uye hadzikundike pakumhanya kukuru.Uye zvakare, mota inogona kushanda mumhepo inoputika isina kupisa.
Tichifunga nezvese mabhenefiti ari pamusoro, induction motors anoonekwa seakakwana emagetsi emagetsi ekushandura, zvisinei, simba remagetsi rinowanzodiwa pakumhanya kwakasiyana, uko masisitimu ekudzora kumhanya haisi nyaya diki.Iyo chete nzira inoshanda yekugadzira isina nhanho yekumhanyisa shanduko ndeyekupa matatu-chikamu voltage ine inosiyana frequency uye amplitude yeasynchronous mota.Iyo rotor kumhanya kunoenderana nekumhanya kweiyo inotenderera magineti inopiwa ne stator, saka frequency kutendeuka inodiwa.Variable voltage inodiwa, iyo motor impedance inoderedzwa pane yakaderera frequencies, uye yazvino inofanirwa kudzikiswa nekudzikisa magetsi ekupa.
Pamberi pekuuya kwemagetsi emagetsi, kukurumidza-kumisa kudzora kwemainduction motors kwakave nekuchinjira matatu stator windings kubva kune delta kuenda kune nyeredzi yekubatanidza, izvo zvakaderedza voltage pamagetsi emagetsi.Induction motors zvakare ine anopfuura matatu stator windings kubvumira kusiyanisa nhamba yemapole pairi.Nekudaro, mota ine akawanda windings inodhura nekuti mota inoda anopfuura matatu ekubatanidza ports uye chete chaiyo discrete kumhanya inowanikwa.Imwe nzira yakasarudzika yekudzora kumhanya inogona kuwanikwa neronda rotor induction mota, uko iyo rotor inotenderera inopera inounzwa pane inotsvedza mhete.Nekudaro, nzira iyi sezviri pachena inobvisa akawanda ezvakanakira induction motors, ukuwo ichiunza kumwe kurasikirwa, izvo zvinogona kukonzera kusashanda zvakanaka nekuisa resistors kana reactances munhevedzano mhiri kwe stator windings ye induction motor.
Panguva iyoyo, nzira dziri pamusoro apa ndidzo chete dzaivepo kudzora kumhanya kwemainduction motors, uye mota dzeDC dzaive dzatovepo neasingaverengeki anomhanyisa madhiraivha ayo aisangobvumira kushanda muma quadrants mana, asi zvakare akavhara huwandu hwakawanda hwesimba.Izvo zvinoshanda zvakanyanya uye zvine kudzora kwakakodzera uye kunyangwe mhinduro yakanaka ine simba, zvisinei, kukanganisa kwayo kukuru ndiko kunofanirwa kudiwa kune mabhurashi.
mukupedzisa
Mumakore makumi maviri apfuura, tekinoroji yesemiconductor yakafambira mberi zvikuru, ichipa mamiriro anodiwa ekuvandudzwa kweakakodzera induction mota dhiraivha masisitimu.Mamiriro aya anowira muzvikamu zviviri zvikuru:
(1) Kuderedza mutengo uye kuvandudza kwekuita kwemagetsi emagetsi switching zvishandiso.
(2) Kugona kushandisa ma algorithms akaoma mu microprocessors nyowani.
Nekudaro, chinodiwa chinofanirwa kuitwa kugadzira nzira dzakakodzera dzekudzora kumhanya kwemainduction motors ayo kuomarara, mukusiyana nekureruka kwavo kwemuchina, kunonyanya kukosha maererano nechimiro chavo chesvomhu (multivariate uye isiri mutsara).
Nguva yekutumira: Aug-05-2022