Kunyeganyega n'urusaku rwa moteri ihoraho ya moteri |

Kwiga ku ngaruka za Stator Electromagnetic Force

Urusaku rwa electromagnetic ya stator muri moteri rwibasiwe cyane cyane nibintu bibiri, imbaraga zo gukurura amashanyarazi hamwe nigisubizo cyimiterere hamwe nimirasire ya acoustic iterwa nimbaraga zishimishije.Isubiramo ry'ubushakashatsi.

Porofeseri ZQZhu wo muri kaminuza ya Sheffield, mu Bwongereza, n’ibindi yakoresheje uburyo bwo gusesengura yiga imbaraga za electromagnetic n’urusaku rwa moteri ihoraho ya moteri, ubushakashatsi bwerekeranye n’ingufu za electromagnetic imbaraga za moteri ihoraho itagira amashanyarazi, hamwe no kunyeganyega guhoraho magnet brushless DC moteri ifite inkingi 10 nibice 9.Urusaku rwarigishijwe, isano iri hagati yingufu za electromagnetic nubugari bwinyo ya stator yizwe mubyigisho, kandi harasesengurwa isano iri hagati yumuvuduko wa torque nigisubizo cyiza cyo kunyeganyega n urusaku.

Porofeseri Tang Renyuan na Song Zhihuan bo muri kaminuza y’ikoranabuhanga ya Shenyang batanze uburyo bwuzuye bwo gusesengura uburyo bwo kwiga ingufu za electromagnetic hamwe n’imiterere yabyo muri moteri ihoraho ya magneti, ibyo bikaba byaratanze ubufasha bw’ubushakashatsi kugira ngo hakorwe ubushakashatsi ku nyigisho z’urusaku rwa moteri ihoraho.Inkomoko y'urusaku rwa electromagnetique isesengurwa hafi ya moteri ihoraho ya magnetiki synchronous moteri ikoreshwa na sine wave hamwe na frequency frequency, inshuro ziranga ikinyuranyo cyumuyaga wa magneti, imbaraga zisanzwe za electromagnetique n urusaku rwinyeganyeza byizwe, nimpamvu yumuriro ripple irasesengurwa.Umuvuduko wa torque wagereranijwe kandi ugenzurwa mubigeragezo ukoresheje Element, hanyuma impanuka ya torque ihindagurika ahantu hatandukanye hameze neza, kimwe ningaruka zuburebure bwikirere, coefficente ya pole arc, inguni ya chamfered, nubugari bwikibanza kuri pulque ya torque. .

Imbaraga za radiyoyumu ya electromagnetic na moderi yingirakamaro, hamwe no kwigana modal ijyanye na yo irakorwa, ingufu za electromagnetique hamwe nigisubizo cy urusaku rw urusaku rwasesenguwe murwego rwumurongo kandi isesengura imishwarara ya acoustic irasesengurwa, hanyuma hakorwa ubushakashatsi bwikigereranyo nubushakashatsi.Herekanwe ko uburyo nyamukuru bwa moteri ihoraho ya moteri yerekana ishusho.

Ishusho

Uburyo nyamukuru bwa moteri ihoraho

Imiterere yumubiri wa moteri ikora neza

Imiyoboro nyamukuru ya moteri yinjira muri moteri yinjira mu cyuho cyinshi cyane, kandi ikabyara imbaraga za radiyo kuri stator na rotor, bigatera kunyeganyega kwa electromagnetic n urusaku.Muri icyo gihe, itanga umwanya ufatika ningufu za axial, bigatera kunyeganyega kugaragara no kunyeganyega.Mubihe byinshi, nka moteri ya asimmetrike cyangwa moteri yicyiciro kimwe, ihindagurika rya tangential tangration ni nini cyane, kandi biroroshye gutera resonance yibice bifitanye isano na moteri, bikavamo urusaku rwinshi.Kugirango ubare urusaku rwa electromagnetique, no gusesengura no kugenzura ayo majwi, ni ngombwa kumenya inkomoko yabyo, aribwo imbaraga zibyara imbaraga zinyeganyega n urusaku.Kubera iyo mpamvu, isesengura ryingufu za electroniki ya magnetiki ikorwa hifashishijwe isesengura ryumwanya wa magneti.

Dufashe ko magnetic flux density wave yakozwe na stator ari, hamwe na magnetiki flux yuzuye Ishusho

byakozwe na rotor ni Ishusho

, hanyuma ibice byabo byose bya magnetiki flux yubucucike mumwanya wikirere birashobora kugaragazwa gutya:

Ibintu nka stator na rotor, guhinduranya umuyaga, kwinjiza ibyerekezo bigoretse, guhindagurika kwimyuka yumuyaga, guhindagurika kwa rotor, hamwe nuburinganire bumwe byose bishobora kuganisha kumikorere hanyuma bikanyeganyega.Umwanya uhuza umwanya, guhuza ibihe, guhuza umwanya, guhuza ibintu hamwe no kuzuza imbaraga za magnetomotive imbaraga zose zitanga ihuza ryinshi ryingufu na torque.Cyane cyane imbaraga za radiyo izunguruka muri moteri ya AC, izakora kuri stator na rotor ya moteri icyarimwe kandi ikore ibintu bigoreka inzira ya magneti.

Imiterere ya stator-na rotor-casing nisoko nyamukuru yimirasire y urusaku rwa moteri.Niba imbaraga za radiyo zegeranye cyangwa zingana ninshuro karemano ya sisitemu ya stator-base, resonance izabaho, izatera ihinduka ryimikorere ya moteri ya moteri kandi bitange vibrasiya n urusaku rwa acoustic.

Kenshi na kenshi, Ishusho

urusaku rwa magnetostrictive rwatewe numuvuduko muke wa 2f, imbaraga zo mumirasire yo murwego rwohejuru ni ntangarugero (f numurongo wibanze wa moteri, p numubare wibinyabiziga byombi).Nyamara, imbaraga za radiyo zatewe na magnetostriction zirashobora kugera kuri 50% yingufu za radiyo zatewe numurima wa magneti.

Kuri moteri itwarwa na inverter, bitewe nuko hariho ibihe byateganijwe bihuza mugihe cyumuvuduko wacyo wa stator, igihe cyoguhuza igihe kizabyara andi mashanyarazi, ubusanzwe akaba ari manini kuruta umuyonga uterwa no guhuza ikirere.binini.Byongeye kandi, imbaraga za voltage zakozwe nigice gikosora nazo zoherezwa muri inverter binyuze mumuzunguruko hagati, bikavamo ubundi bwoko bwa torque.

Kubijyanye n urusaku rwa electromagnetique ya moteri ihoraho ya moteri ihuza imbaraga, imbaraga za Maxwell nimbaraga za magnetostrictive nizo mpamvu nyamukuru zitera guhinda moteri n urusaku.

Ibiranga moteri ya moteri

Urusaku rwa electromagnetiki ya moteri ntirujyanye gusa ninshuro, gahunda hamwe na amplitude yumuriro wa electromagnetique wumuvuduko ukomoka kumasoko ya magnetiki yikirere, ariko kandi bijyanye nuburyo busanzwe bwimiterere ya moteri.Urusaku rwa electromagnetique ruterwa ahanini no kunyeganyega kwa moteri na kase.Kubwibyo, guhanura inshuro karemano ya stator ukoresheje formulaire ya tewolojiya cyangwa kwigana hakiri kare, no gutangara imbaraga za electromagnetique yumurongo numurongo usanzwe wa stator, nuburyo bwiza bwo kugabanya urusaku rwa electronique.

Iyo inshuro zingufu za radiyo yumurongo wa moteri ingana cyangwa yegereye inshuro karemano ya gahunda runaka ya stator, resonance izaterwa.Muri iki gihe, niyo amplitude yumuvuduko wumurongo wa radiyo itari nini, bizatera ihindagurika ryinshi rya stator, bityo bitange urusaku runini rwa electroniki.Ku rusaku rwa moteri, ikintu cyingenzi nukwiga uburyo busanzwe hamwe no kunyeganyega kwa radiyo nkibyingenzi, gahunda ya axial ni zeru, kandi imiterere yimiterere iri munsi yicyiciro cya gatandatu, nkuko bigaragara ku gishushanyo.

Ishusho

Ifishi yo kunyeganyega

Iyo usesenguye ibinyeganyega biranga moteri, bitewe ningaruka nke zo kugabanuka kumiterere yuburyo ninshuro ya stator ya moteri, birashobora kwirengagizwa.Kwiyubaka byubaka ni ukugabanya urwego rwinyeganyeza hafi yumurongo wa resonant ukoresheje uburyo bwo gukwirakwiza ingufu nyinshi, nkuko bigaragara, kandi bisuzumwa gusa kuri rezo ya resonant cyangwa hafi yayo.

Ishusho

Ingaruka

Nyuma yo kongeramo imirongo kuri stator, hejuru yizunguruka mumwanya wicyuma havurwa na langi, impapuro zo kubika, langi hamwe ninsinga z'umuringa zifatanijwe hamwe, kandi impapuro zikingira mukibanza nazo zifatanije cyane namenyo y'icyuma.Kubwibyo, in-slot ihinduranya ifite uruhare runini rwo gukomera kumyuma yicyuma kandi ntishobora gufatwa nkimbaraga zinyongera.Iyo uburyo bwanyuma bwakoreshejwe muburyo bwo gusesengura, birakenewe kubona ibipimo biranga imiterere yubukanishi ukurikije ibikoresho byizunguruka muri cogging.Mugihe cyo gushyira mubikorwa, gerageza kwemeza ubwiza bwirangi ryibiza, kongera ubukana bwumuyaga uhindagurika, kunoza ubukana bwumuyaga hamwe nicyuma, kongera ubukana bwimiterere ya moteri, kongera inshuro karemano kugirango wirinde resonance, gabanya vibration amplitude, kandi ugabanye amashanyarazi ya electronique.urusaku.

Inshuro karemano ya stator nyuma yo gukanda mumasanduku itandukanye niy'imikorere imwe ya stator.Ikariso irashobora kunoza cyane inshuro zikomeye zububiko bwa stator, cyane cyane urwego ruto rwo hasi.Kwiyongera kwihuta ryibikorwa bikora byongera ingorane zo kwirinda resonance mugushushanya moteri.Mugihe cyo gushushanya moteri, ubunini bwimiterere yikigero bugomba kugabanywa, kandi inshuro karemano yimiterere ya moteri irashobora kwiyongera mugukwirakwiza neza umubyimba wigikonoshwa kugirango wirinde kubaho kwa resonance.Mubyongeyeho, ni ngombwa cyane gushyira mu gaciro gushyiraho isano ihuza itumanaho hagati ya stator na case mugihe ukoresheje igereranya ryanyuma.

Isesengura rya Electromagnetic ya Moteri

Nkikimenyetso cyingenzi cyerekana amashanyarazi ya moteri, ubwinshi bwa magneti burashobora kwerekana imikorere ya moteri.Kubwibyo, tubanze gukuramo no kugenzura agaciro ka magnetique, agaciro ka mbere ni ukugenzura niba kwigana ari ukuri, naho icya kabiri ni ugutanga urufatiro rwo gukuramo ingufu za electronique.Igishushanyo cya moteri ikururwa nigicu cyerekanwe mubishushanyo bikurikira.

Ishusho

Birashobora kugaragara kurikarita yibicu ko ubucucike bwa magnetique kumwanya wikiraro cya magnetiki bwigunga buri hejuru cyane kurenza aho ihindagurika ryumurongo wa BH umurongo wa stator hamwe na rotor core, ishobora kugira ingaruka nziza yo kwigunga.

Ishusho

Ikirere cyo mu kirere flux density curve

Kuramo ubucucike bwa magneti bwikinyuranyo cyumuyaga wa moteri hamwe nu mwanya w amenyo, shushanya umurongo, kandi urashobora kubona indangagaciro zihariye za moteri yikirere cya moteri hamwe nubunini bw amenyo.Ubucucike bwa magneti bwinyo ni intera runaka kuva aho ibintu byinjirira, bikekwa ko biterwa no gutakaza ibyuma byinshi mugihe moteri yakozwe kumuvuduko mwinshi.

Isesengura ryuburyo bwa moteri

Ukurikije imiterere ya moteri na gride, sobanura ibikoresho, usobanure intangiriro ya stator nkibyuma byubatswe, kandi usobanure ikariso nkibikoresho bya aluminium, kandi ukore isesengura ryuburyo kuri moteri muri rusange.Uburyo rusange bwa moteri buboneka nkuko bigaragara ku gishushanyo gikurikira.

Ishusho