Iyo switched kusada mota drive system (srd) ine zvikamu zvina: switched kusada mota (srm kana sr mota), inoshandura simba, controller uye detector.Iko kukurumidza kuvandudza kwerudzi rutsva rwekumhanyisa control drive system yakagadzirwa.Iyo switched reluctance mota ndeye kaviri salient kusada mota, iyo inoshandisa musimboti wekushomeka kusada kugadzira kusada torque.Nekuda kwechimiro chayo chakareruka uye chakasimba, yakafara yekumhanyisa regulation renji, yakanakisa yekumhanyisa dhizaini kuita, uye yakanyanya kumhanya mune yese yekumhanyisa regulation renji.Kushanda kwepamusoro uye kuvimbika kwepamusoro kunoita kuti ive mukwikwidzi akasimba we AC mota yekumhanyisa kudzora system, DC mota yekumhanyisa control system uye brushless DC mota yekumhanyisa control system.Kuchinja kusada mota kwave kwakawanda kana kutanga kushandiswa munzvimbo dzakasiyana-siyana dzakadai semagetsi emotokari, midziyo yemumba, indasitiri yeruzhinji, indasitiri yeaviation uye servo masisitimu, inovhara akasiyana-siyana akakwira uye akaderera madhiraivha masisitimu ane simba renji re10w kusvika 5mw, kuratidza. mukana mukuru wemusika.
2.1 Motokari ine chimiro chakareruka, mutengo wakaderera, uye wakakodzera kumhanya kwakanyanya
Chimiro cheiyo switched reluctance mota iri nyore pane iyo squirrel-cage induction mota iyo inowanzoonekwa seyakareruka.Iyo stator coil is concentrated winding, iyo iri nyore kuisa, kuguma ipfupi uye yakasimba, uye kushanda kwakavimbika.Vibration environment;iyo rotor inongogadzirwa nesilicon simbi mapepa, saka hapazove nematambudziko akadai seasina kunaka squirrel cage casting uye akatyoka mabara ari kushandiswa panguva yekugadzira squirrel cage induction motors.Iyo rotor ine yakanyanyisa simba remuchina uye inogona kushanda nekumhanya kwakanyanya.kusvika ku100,000 revolutions paminiti.
2.2 Nyore uye yakavimbika simba redunhu
Iyo torque kutungamira kwemota haina chekuita negwara remhepo inomonereka, ndiko kuti, chete mhepo inotenderera mune imwe nzira inodiwa, iyo phase windings yakabatana pakati pemachubhu maviri emagetsi edunhu guru, uye pachange paine. hapana bhiriji ruoko rwakatwasuka-kuburikidza nepfupi-sekete kukanganisa., Iyo sisitimu ine kushivirira kwakasimba kwekukanganisa uye kuvimbika kwakanyanya, uye inogona kushandiswa kune yakakosha zviitiko senge aerospace.
2.3 Yakakwira yekutanga torque, yakaderera kutanga ikozvino
Zvigadzirwa zvemakambani mazhinji zvinogona kuita zvinotevera kuita: kana yekutanga ikozvino iri 15% yeiyo yakarongerwa ikozvino, iyo yekutanga torque ndeye 100% yeiyo torque yakatarwa;apo yekutanga ikozvino iri 30% yehuwandu hwehuwandu, iyo yekutanga torque inogona kusvika 150% yehuwandu hwehuwandu.%.Kuenzaniswa nehunhu hwekutanga hwemamwe masisitimu ekudzora kumhanya, senge DC mota ine 100% kutanga ikozvino, tora 100% torque;squirrel cage induction mota ine 300% kutanga ikozvino, wana 100% torque.Zvinogona kuoneka kuti iyo yakachinjika kusada mota ine nyoro-yekutanga kuita, iko iko zvino kukonzeresa idiki panguva yekutanga maitiro, uye kupisa kwemota uye mutongi idiki pane iyo yekuenderera yakarongwa kushanda, saka inonyanya kukodzera kazhinji kutanga-kumira uye kumberi-kumashure kushandura mashandiro, senge gantry planers, Milling machine, reversible rolling mills muindasitiri yemetallurgical, masaha anobhururuka, shear dzinobhururuka, nezvimwe.
2.4 Wide speed regulation range uye yakanyanya kushanda zvakanaka
Kushanda kwekushanda kwakakwira kusvika 92% pakumhanya kwakayerwa uye kwakayerwa mutoro, uye kushanda kwese kunochengetwa kwakakwira se80% mune ese kumhanya nhanho.
2.5 Kune akawanda anodzoreka paramita uye yakanaka yekumhanyisa mutemo kuita
Kune anokwana mana makuru ekushandisa paramita uye akajairika nzira dzekudzora switched kusada mota: chikamu chekutendeuka-on angle, yakakodzera break-off angle, phase current amplitude uye phase winding voltage.Kune akawanda anodzoreka paramita, zvinoreva kuti kutonga kunoshanduka uye kuri nyore.Yakasiyana nzira dzekutonga uye parameter maitiro anogona kushandiswa zvinoenderana nekushanda kwemotokari uye mamiriro emota kuti iite kuti imhanye mune yakanakisa mamiriro, uye inogona zvakare kuita mabasa akasiyana siyana uye Chaiyo hunhu curves, senge kugadzira mota ine iwo chaiwo mana-quadrant oparesheni (mberi, reverse, mota uye braking) kugona, ine yakakwirira yekutanga torque uye mutoro wekutenderera macurves emota dzakateedzana.
2.6 Inogona kusangana zvakasiyana-siyana zvinodiwa kuburikidza nekubatana uye kurongeka dhizaini yemuchina nemagetsi
Iyo yepamusoro chimiro uye mashandiro eiyo switched kusada mota inoita kuti munda wayo wekushandisa uwedzere.Aya matatu anotevera akajairika maapplication anoongororwa.
3.1 Gantry planer
Iyo gantry planer ndiyo inonyanya kushanda muchina muindasitiri yekugadzira.Nzira yekushanda yemupurani ndeyokuti worktable inotyaira workpiece kuti idzoke.Kana ichienda kumberi, mupurani akagadziriswa pane furemu anoronga workpiece, uye kana ichidzokera kumashure, mugadziri anosimudza workpiece.Kubva ipapo zvichienda mberi, bhenji rebasa rinodzoka nemutsara usina chinhu.Basa reiyo huru dhiraivha system yemupurani ndeyekutyaira iyo inodzokorodza kufamba kweiyo worktable.Zviripachena, kuita kwayo kwakabatana zvakananga nemhando yekugadzira uye kugona kwekugadzira kweanoronga.Naizvozvo, iyo dhiraivha system inodiwa kuti ive neinotevera huru zvivakwa.
3.1.1 Hunhu Hukuru
(1) Inokodzera kutanga, kubhureki uye kumberi uye kutenderera kutenderera, isingasviki ka10 paminiti, uye yekutanga uye yekubhureki inotsvedzerera uye nekukurumidza.
(2) The static musiyano rate inodiwa kuti ive yakakwirira.Iyo ine simba yekumhanyisa inodonha kubva pa-isina-mutoro kuenda kune kamwe kamwe kurodha banga haisi kupfuura 3%, uye yenguva pfupi yekuremedza kugona kwakasimba.
(3) Iyo yekumhanyisa regulation range yakakura, iyo yakakodzera kune zvinodiwa zvepasi-kumhanya, yepakati-kumhanya kuronga uye yakakwirira-kumhanya reverse kufamba.
(4) Kugadzikana kwebasa kwakanaka, uye nzvimbo yekudzoka yekudzoka nekudzoka yakarurama.
Parizvino, iyo huru dhiraivha system yepamba gantry planer inonyanya kuve nemhando yeDC unit uye chimiro cheasynchronous motor-electromagnetic clutch.Huwandu hukuru hwemapurani anonyanya kufambiswa neDC mayunitsi ari mukuchembera kwakanyanya, mota yakasakara zvakanyanya, sparks pamabhurashi akakura pakumhanya kukuru uye mutoro unorema, kutadza kunowanzoitika, uye basa rekuchengetedza rakakura, iyo inobata zvakananga kugadzirwa kwakajairika..Mukuwedzera, iyi hurongwa husingadzivisiki hune huipi hwemidziyo mikuru, kushandiswa kwesimba guru uye ruzha rukuru.Iyo asynchronous motor-electromagnetic clutch system inovimba neelectromagnetic clutch kuti ione kumberi nekudzokera kumashure, kupfeka clutch kwakakomba, kugadzikana kwekushanda hakuna kunaka, uye zvinokanganisa kugadzirisa kumhanya, saka inongoshandiswa kune mwenje mapurani. .
3.1.2 Matambudziko neInduction Motors
Kana iyo induction mota inosiyana frequency frequency regulation drive system ikashandiswa, anotevera matambudziko aripo:
(1) Mamiriro ekubuda akapfava, kuitira kuti gantry planer haigone kutakura mutoro wakakwana pakumhanya kwakaderera.
(2) Musiyano wakamira wakakura, mhando yekugadzira yakaderera, iyo yakagadziriswa workpiece ine mapatani, uye inotomira kana banga radyiwa.
(3) Torque yekutanga nebhureki idiki, yekutanga nebhureki inonoka, uye nzvimbo yekupaka offside yakakurisa.
(4) Motokari inopisa.
Hunhu hweiyo switched reluctance mota inonyanya kukodzera kugara uchitanga, braking uye commutation operation.Ikozvino yekutanga panguva yekuchinja idiki, uye yekutanga uye mabhureki torque inogadziriswa, nekudaro kuve nechokwadi chekuti kumhanya kunopindirana nezvinodiwa zvemaitiro mumhando dzakasiyana dzekumhanya.anosangana ne.Iyo yakachinja kusada mota inewo yakakwira simba chinhu.Ingave yakakwira kana yakaderera kumhanya, isina-mutoro kana yakazara-mutoro, simba rayo riri pedyo ne1, iro riri nani pane mamwe masisitimu ekutapurirana anoshandiswa parizvino mumagantry planers.
3.2 Washing machine
Nekuvandudzwa kwehupfumi uye nekuenderera mberi kwekuvandudzwa kwehupenyu hwevanhu, kudiwa kwemichina yekuwachisa ine hushamwari uye nehungwaru kuri kuwedzera.Sesimba guru remuchina wekugeza, kuita kwemota kunofanirwa kuramba kuchivandudzwa.Parizvino, kune marudzi maviri emuchina wekuwachisa akakurumbira mumusika wepamba: pulsator uye madhiramu ekuwachisa michina.Hazvina mhosva kuti rudzii rwemuchina wekuwachisa, musimboti wekuti mota inotyaira pulsator kana dhiramu kuti itenderere, zvoita kuti mvura ibude, uyezve kuyerera kwemvura uye simba rinogadzirwa nepulsator uye chigubhu chinoshandiswa kugeza mbatya. .Kuita kwemota kunotarisa kushanda kwemuchina wewachi kusvika pamwero mukuru.Mamiriro ezvinhu, ndiko kuti, anosarudza kunaka kwekushambidza nekuomeswa, pamwe chete nehukuru hwemheremhere uye kudengenyeka.
Parizvino, mota dzinoshandiswa mumuchina wekugeza pulsator dzinonyanya kuita single-phase induction motors, uye vashoma vanoshandisa frequency conversion motors uye brushless DC mota.Iyo dhiramu yekuwachisa muchina inonyanya kuenderana neyakatevedzana mota, mukuwedzera kune inosiyana frequency mota, brushless DC mota, switched kusada mota.
Izvo zvakashata zvekushandisa imwe-chikamu induction mota zviri pachena, sezvinotevera:
(1) haikwanise kugadzirisa kumhanya
Pane imwe chete yekutenderera kumhanya panguva yekugeza, uye zvakaoma kuenderana nezvinodiwa zvemachira akasiyana-siyana pawashing kutenderera kumhanya.Izvo zvinonzi "kushambidza kwakasimba", "kushambidzika kusina simba", "kushambidza zvinyoro" uye mamwe maitiro ekugeza anoshanduka chete neIyo chete kushandura nguva yekutenderera mberi uye reverse kutenderera, uye kuitira kutarisira kutenderera kwekukurumidza zvinodiwa. panguva yekugeza, kukurumidza kutenderera panguva yekudonha mvura kunowanzo kuderera, kazhinji chete 400 rpm kusvika 600 rpm.
(2) Kushanda kwacho kwakaderera zvikuru
Kubudirira kunowanzova pasi pe30%, uye yekutanga ikozvino yakakura zvikuru, inogona kusvika 7 kusvika ku8 nguva yakarongwa ikozvino.Zvakaoma kujairana neanowanzo kumberi uye reverse washing condition.
Iyo yakatevedzana mota ndeye DC yakatevedzana mota, iyo ine zvakanakira hombe yekutanga torque, kushanda kwakanyanya, nyore kumhanyisa kudzora, uye kuita kwakanaka kwesimba.Nekudaro, iyo yakashata yeiyo yakatevedzana mota ndeyekuti chimiro chakaoma, iyo rotor ikozvino inoda kuchinjirwa nemuchina kuburikidza ne commutator uye bhurashi, uye kutsvedza kunotsvedza pakati peiyo commutator uye bhurashi kunowanzo pfeka, ruzha, sparks uye. electromagnetic kupindira.Izvi zvinoderedza kuvimbika kwemota uye inopfupisa hupenyu hwayo.
Hunhu hweiyo switched reluctance mota inoita kuti zvikwanise kuwana mhedzisiro yakanaka kana yaiswa kumichina yekuwachisa.Iyo switch relucance mota yekumhanyisa control system ine yakafara yekumhanyisa control range, iyo inogona kuita "kugeza" uye
Maspini “ ose anoshanda nekumhanya kwakaringana kwekugezesa kwechokwadi, wacha, wacha wakapfava, wacha wevelvet, uye kunyange kukurumidza kugeza.Iwe unogona zvakare kusarudza kumhanya kutenderera pakuda panguva yekudonha mvura.Iwe unogonawo kuwedzera kukurumidza zvichienderana nemamwe mapurogiramu akaiswa, kuitira kuti zvipfeko zvidzivirire kuzununguka uye ruzha runokonzerwa nekugoverwa kusina kuenzana panguva yekutenderera.Kuita kwakanakisa kwekutanga kweiyo switched kusada mota kunogona kubvisa kukanganiswa kwemota kunogara kumberi uye kudzosera kumashure kutanga ikozvino pane gidhi remagetsi panguva yekuwachisa, kuita kuti kugeza uye kufambisa kutsvedze uye kusina ruzha.Iko kushanda kwepamusoro kweiyo switched reluctance mota yekumhanyisa regulation system mune yese yekumhanyisa regulation renji inogona kuderedza zvakanyanya mashandisiro emagetsi emuchina wekuwachisa.
Iyo brushless DC mota zvechokwadi mukwikwidzi akasimba kune yakachinjika kusada mota, asi zvakanakira iyo yakachinjika kusada mota mutengo wakaderera, kusimba, hapana demagnetization uye yakanaka yekutanga kuita.
3.3 Magetsi Mota
Kubva kuma1980, nekuda kwekuwedzera kuri kuita vanhu kutarisisa kwezvakatipoteredza uye simba, mota dzemagetsi dzave nzira yakanaka yekufambisa nekuda kwemabhenefiti adzo ekubudisa zero, ruzha rwakadzika, masimba makuru, uye kushandiswa kwesimba kwakanyanya.Mota dzemagetsi dzine zvinotevera zvinodikanwa zvemotor drive system: kunyatsoshanda munzvimbo yese yekushanda, yakanyanya simba density uye torque density, yakakura yekushanda kumhanya renji, uye sisitimu haina mvura, inodzivirira uye inodzivirira.Parizvino, iwo mainstream mota dhiraivha masisitimu emotokari dzemagetsi anosanganisira induction motors, brushless DC mota uye switched kusada mota.
Iyo switched reluctance motor speed control system ine nhevedzano yehunhu mukuita uye chimiro, iyo inoita kuti ive yakakodzera kwazvo kumotokari dzemagetsi.Iyo ine zvinotevera zvakanakira mumunda wemotokari dzemagetsi:
(1) Motokari ine chimiro chakareruka uye inokodzera kumhanya kwakanyanya.Yakawanda yekurasikirwa kwemota inonangidzirwa pane stator, iyo iri nyore kutonhora uye inogona kugadzirwa nyore kuita mvura-inotonhorera inoputika-uchapupu chimiro, iyo inongoda kusagadziriswa.
(2) Kushanda kwepamusoro kunogona kuchengetedzwa mumhando dzakasiyana-siyana dzesimba uye nekumhanya, izvo zvakaoma kune mamwe madhiraivha masisitimu kuti awane.Iyi ficha inobatsira zvikuru kuvandudza nzira yekutyaira yemotokari dzemagetsi.
(3) Zviri nyore kuona mana-quadrant oparesheni, kuona simba rekuvandudza mhinduro, uye chengetedza yakasimba braking kugona munzvimbo inomhanya-mhanya.
(4) Ikozvino yekutanga yemota idiki, hapana kukanganisa pabhatiri, uye yekutanga torque yakakura, iyo yakakodzera kune inorema-mutoro kutanga.
(5) Ese mota nemagetsi ekushandura akasimba uye akavimbika, akakodzera kwakasiyana hutsinye uye nepamusoro tembiricha nharaunda, uye ane yakanaka kuchinjika.
Tichifunga nezvezvakanakira zviri pamusoro, kune akawanda anoshanda mashandisirwo ekuchinja kusada mota mumotokari dzemagetsi, mabhazi emagetsi uye mabhasikoro emagetsi kumba nekune dzimwe nyika].
Nekuti iyo yakachinjika kusada mota ine zvakanakira chimiro chakareruka, diki kutanga ikozvino, yakafara mhanyisa regulation renji, uye yakanaka controllability, ine mabhenefiti makuru ekushandisa uye yakafara tarisiro yekushandiswa muminda ye gantry planers, washing machine, uye mota dzemagetsi.Kune akawanda anoshanda anoshanda mundima dzataurwa pamusoro apa.Kunyangwe paine imwe dhigirii rekushandisa muChina, ichiri muhucheche uye kugona kwayo hakusati kwaitika.Zvinotendwa kuti kushandiswa kwayo muminda yataurwa pamusoro ichawedzera uye yakawanda.
Nguva yekutumira: Jul-18-2022