Gupima inductance ya syncronous ya moteri ihoraho ya moteri

I. Intego n'akamaro ko gupima inductance
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Ibipimo bya inductance ya AC na DC nibintu bibiri byingenzi muri moteri ihoraho ya moteri. Kubona kwabo nibyo bisabwa kandi shingiro ryo kubara ibinyabiziga biranga kubara, kwigana imbaraga no kugenzura umuvuduko. Induction ya syncronous irashobora gukoreshwa mukubara ibintu byinshi bihamye-nkibintu nkibintu byingufu, imikorere, torque, armature, imbaraga nibindi bipimo. Muri sisitemu yo kugenzura moteri ihoraho ya moteri ikoresheje igenzura rya vector, ibipimo bya inductor ya syncron bigira uruhare rutaziguye muri algorithm yo kugenzura, kandi ibisubizo byubushakashatsi byerekana ko mukarere ka magneti gafite intege nke, kutamenya neza ibipimo bya moteri bishobora gutuma igabanuka ryumuriro. n'imbaraga. Ibi birerekana akamaro k'ibipimo bya inductor.
(2) Ibibazo bigomba kwitabwaho mugupima inductance ya synchron
Kugirango ubone imbaraga zingana cyane, imiterere ya moteri ihoraho ya moteri ikomatanya akenshi iba yarateguwe kugirango irusheho kuba ingorabahizi, kandi uruziga rukuruzi rwa moteri rwuzuye, ibyo bigatuma ibipimo bya inductance ya syncronique ya moteri bitandukanye no kwiyuzuzamo umuzenguruko. Muyandi magambo, ibipimo bizahinduka hamwe nimikorere ya moteri, rwose hamwe nibikorwa byagenwe byerekana imikorere ya inductance ya syncronique ntishobora kwerekana neza imiterere yibipimo bya moteri. Kubwibyo, birakenewe gupima indangagaciro zinduction mubihe bitandukanye byo gukora.
2.imashini ihoraho ya moteri ihuza uburyo bwo gupima inductance
Uru rupapuro rukusanya uburyo butandukanye bwo gupima inductance ya synchronous kandi ikora igereranya rirambuye nisesengura ryabyo. Ubu buryo bushobora gushyirwa mubice bibiri byingenzi: ikizamini cyumutwaro utaziguye hamwe nikizamini gihamye. Igeragezwa rihamye ryongeye kugabanywa muri AC static test na DC static test. Uyu munsi, igice cya mbere cya "Synchronous Inductor Test Methods" kizasobanura uburyo bwo gupima umutwaro.

Ubuvanganzo [1] butangiza ihame ryuburyo butaziguye. Imashini zihoraho za magneti zishobora gusesengurwa hifashishijwe inyigisho ebyiri zifatika kugirango zisesengure imikorere yazo, kandi igishushanyo mbonera cya moteri ya generator nigikorwa cya moteri cyerekanwe mubishusho 1 hepfo. Inguni yingufu θ ya generator ni nziza hamwe na E0 irenze U, inguni yingufu zingirakamaro φ ni nziza hamwe na I U, naho inguni yimbere yimbere ψ ni nziza na E0 irenga I. Inguni yingufu θ ya moteri ni nziza hamwe na U irenga E0, inguni yingufu zinguni φ ni nziza hamwe na U irenze I, naho inguni yimbere yimbere ψ nibyiza hamwe narenze E0.

Igishushanyo 1 Icyiciro cyicyiciro cya magneti ihoraho ikora ya moteri ikora
(a) Imashini itanga amashanyarazi (b) Imiterere ya moteri

Ukurikije iki cyiciro igishushanyo gishobora kuboneka: mugihe ibikorwa bya magneti bihoraho bikora, byapimwe nta mizigo ishimishije imbaraga za electromotive imbaraga E0, armature terminal voltage U, ikigezweho I, inguni yinguni φ ningufu zingufu θ nibindi, birashobora kuboneka armature ikigezweho cya axis igororotse, ibice byambukiranya Id = Isin (θ - φ) na Iq = Icos (θ - φ), hanyuma Xd na Xq birashobora kuboneka muburinganire bukurikira:

Iyo generator ikora:

Xd = [E0-Ucosθ-IR1cos (θ-φ)] / Id (1)
Xq = [Usinθ + IR1sin (θ-φ)] / Iq (2)

Iyo moteri ikora:

Xd = [E0-Ucosθ + IR1cos (θ-φ)] / Id (3)
Xq = [Usinθ-IR1sin (θ-φ)] / Iq (4)

Imiterere ihamye ya moteri ihoraho ya moteri ya syncronous moteri ihinduka nkuko imikorere yimikorere ya moteri ihinduka, kandi iyo armature ihindagurika, byombi Xd na Xq bihinduka. Kubwibyo, mugihe ugena ibipimo, menya neza kandi kwerekana imikorere ya moteri. .

Ingorane nyamukuru mugihe upima ibipimo bya inductive kuburyo butaziguye bwo gupakira biri mubipimo byingufu zinguni θ. Nkuko tubizi, ni itandukaniro rya fonction itandukaniro hagati ya moteri ya moteri ya voltage U nimbaraga zo kwishima. Iyo moteri ikora neza, voltage yanyuma irashobora kuboneka muburyo butaziguye, ariko E0 ntishobora kuboneka muburyo butaziguye, irashobora rero kuboneka muburyo butaziguye kugirango ibone ibimenyetso byigihe hamwe numurongo umwe na E0 hamwe nicyiciro cyagenwe cyo gusimbuza E0 murwego rwo gukora icyiciro cyo kugereranya na voltage yanyuma.

Uburyo gakondo butaziguye ni:
1. imbaraga zingingo zingingo zirashobora kuboneka.
2) Shyira moteri ya syncronique kuri shaft ya moteri iri munsi yikizamini gisa na moteri iri kugeragezwa. Uburyo bwo gupima icyiciro cya voltage [2], bizasobanurwa hepfo, bishingiye kuri iri hame. Igishushanyo mbonera cyo guhuza cyerekanwe ku gishushanyo cya 2. TSM ni moteri ihoraho ya magnetiki ihuza ibizamini, ASM ni moteri ihuriweho kimwe isabwa byongeweho, PM niyo yimuka nyamukuru, ishobora kuba moteri imwe cyangwa DC moteri, B ni feri, na DBO ni oscilloscope ebyiri. Ibyiciro B na C bya TSM na ASM bihujwe na oscilloscope. Iyo TSM ihujwe n'amashanyarazi y'ibice bitatu, oscilloscope yakira ibimenyetso VTSM na E0ASM. kuberako moteri zombi zirasa kandi zikazunguruka icyarimwe, nta-umutwaro winyuma wa TSM wikizamini hamwe no kutagira imitwaro ya ASM, ikora nka generator, E0ASM, iri mubice. Kubwibyo, imbaraga zinguni θ, ni ukuvuga, itandukaniro ryicyiciro hagati ya VTSM na E0ASM rishobora gupimwa.

Igishushanyo cya 2 Igishushanyo mbonera cyo gupima inguni zingufu

Ubu buryo ntabwo bukoreshwa cyane, cyane cyane kubera ko: ① muri rotor shaft yashizwemo moteri ntoya ya moteri cyangwa moteri ihinduranya isabwa gupimwa moteri ifite imitwe ibiri irambuye, akenshi bigoye kubikora. ② Ukuri kwingero zingero zingufu ziterwa ahanini nuburinganire buringaniye bwa VTSM na E0ASM, kandi niba ibirimo guhuza ari binini cyane, ibipimo bizagabanuka.
3) Kunoza imbaraga zinguni zipimisha neza no koroshya imikoreshereze, ubu noneho gukoresha cyane ibyuma byerekana imyanya kugirango umenye ibimenyetso bya rotor, hanyuma ugereranye icyiciro hamwe nuburyo bwa voltage yanyuma.
Ihame shingiro nugushiraho disiki iteganijwe cyangwa igaragazwa kuri disiki yumuriro kuri shaft ya moteri ihoraho yapimwe moteri ya magnetiki ihoraho, umubare wimyobo yagabanijwe kimwe kuri disiki cyangwa ibimenyetso byirabura n'umweru byera hamwe numubare wibice bibiri bya moteri ya moteri ihuriweho na test . Iyo disiki izengurutse impinduramatwara imwe hamwe na moteri, sensor ya fotoelectric yakira ibimenyetso bya p rotor yerekana kandi ikabyara p nkeya ya voltage. Iyo moteri ikora mugihe kimwe, inshuro yibi bimenyetso bya rotor ihwanye ninshuro yumubyigano wa armature, kandi icyiciro cyacyo kigaragaza icyiciro cyingufu zamashanyarazi. Ikimenyetso cya syncronisation pulse yongerewe mugushiraho, icyiciro cyahinduwe hamwe na moteri ya armature ya moteri yo kugereranya icyiciro kugirango ugereranye itandukaniro ryicyiciro. Shiraho iyo moteri idafite-imitwaro ikora, itandukaniro ryicyiciro ni θ1 (ugereranije ko muriki gihe imbaraga zinguni θ = 0), mugihe umutwaro urimo gukora, itandukaniro ryicyiciro ni θ2, hanyuma itandukaniro ryicyiciro θ2 - θ1 ni ryapimwe burigihe magnet synchronous moteri yumutwaro inguni ingirakamaro. Igishushanyo mbonera cyerekanwe ku gishushanyo cya 3.

Igishushanyo cya 3 Igishushanyo mbonera cyo gupima inguni

Nko muri disiki ya fotoelectric yashizwe hamwe hamwe nikimenyetso cyumukara numweru biragoye cyane, kandi mugihe ibipimo bya magneti bihoraho byapimwe hamwe na moteri icyarimwe icyarimwe ikimenyetso cya disiki ntigishobora kuba kimwe hamwe. Kubworoshye, birashobora kandi kugeragezwa mumashanyarazi ahoraho ya moteri ya moteri yizengurutswe muruziga rwa kaseti yumukara, igashyirwaho ikimenyetso cyera, urumuri rwerekana amashanyarazi yerekana urumuri rutangwa numucyo wakusanyirijwe muruziga hejuru ya kaseti. Muri ubu buryo, buri cyerekezo cya moteri, icyuma gifata amashanyarazi muri transistor ya fotosensitivite kubera kwakira urumuri rwerekanwe hamwe nogutwara rimwe, bikavamo ikimenyetso cyamashanyarazi, nyuma yo kwongerwaho no gushiraho kugirango ubone ikimenyetso cyo kugereranya E1. uhereye kuri moteri ya moteri armature ihindagurika ya finale iyariyoyose ibyiciro bibiri, hamwe na voltage transformateur PT kumanuka kugeza kuri voltage ntoya, yoherejwe kugereranya voltage, gushiraho uhagarariye icyiciro cyurukiramende rwikimenyetso cya voltage pulse U1. U1 na p-kugabana inshuro, kugereranya icyiciro kugereranya kugirango ubone igereranya hagati yicyiciro nikigereranyo. U1 na p-kugabana inshuro, kubigereranya nicyiciro kugirango ugereranye itandukaniro ryayo nicyapa.
Ikibuze uburyo bwo gupima ingufu zavuzwe haruguru ni uko itandukaniro riri hagati y'ibipimo byombi rigomba gukorwa kugirango ubone inguni zingufu. Kugirango wirinde ibintu bibiri byakuweho no kugabanya ubunyangamugayo, mugupima itandukaniro ryumutwaro θ2, ibimenyetso bya U2 bihinduka, itandukaniro ryapimwe ni θ2 '= 180 ° - θ2, inguni yingufu θ = 180 ° - ( θ1 + θ2 '), ihindura ibintu bibiri uhereye ku gukuramo icyiciro ukongeraho. Igishushanyo mbonera cy'icyiciro cyerekanwe ku gishushanyo cya 4.

Igishushanyo cya 4 Ihame ryuburyo bwo kongera icyiciro cyo kubara itandukaniro ryicyiciro

Ubundi buryo bunoze ntabwo bukoresha voltage urukiramende rwerekana ibimenyetso byerekana inshuro zigabanywa, ariko ukoreshe microcomputer kugirango icyarimwe wandike ibimenyetso byerekana ibimenyetso, muburyo bukurikira, binyuze mumashusho yinjiza, andika amashanyarazi adafite imitwaro hamwe na rotor yerekana ibimenyetso byerekana U0, E0, kimwe na umutwaro wa voltage na rotor umwanya urukiramende rwerekana ibimenyetso U1, E1, hanyuma ukimura imirongo yibyuma byombi byafashwe amajwi ugereranije kugeza igihe imiraba yumurongo wibimenyetso bibiri bya voltage urukiramende rwuzuye. iyo itandukaniro ryicyiciro hagati ya rotor ebyiri Itandukaniro ryicyiciro hagati yibimenyetso bibiri bya rotor ni imbaraga zinguni; cyangwa kwimura umurongo wa rotor kumwanya wibimenyetso bibiri bya rotor bihuye, hanyuma itandukaniro ryicyiciro hagati yibimenyetso byombi bya voltage ningufu zinguni.
Twakagombye kwerekana ko ibikorwa nyirizina nta-mutwaro wa moteri ihoraho ya magnetiki ihoraho, inguni yingufu ntabwo ari zeru, cyane cyane kuri moteri ntoya, bitewe no kudakora imitwaro yo gutakaza imitwaro (harimo gutakaza umuringa wa stator, gutakaza ibyuma, igihombo cya mashini, igihombo cyayobye) ni kinini, niba utekereza ko nta mizigo yingufu zingana na zeru, bizatera ikosa rikomeye mugupima inguni yingufu, zishobora gukoreshwa kugirango moteri ya DC ikore muri leta ya moteri, icyerekezo cyo kuyobora na ikizamini cya moteri yikizamini gihoraho, hamwe na moteri ya DC, moteri ya DC irashobora gukora kuri leta imwe, kandi moteri ya DC irashobora gukoreshwa nka moteri yikizamini. Ibi birashobora gutuma moteri ya DC ikora muri moteri, kuyobora hamwe na moteri yikizamini igendana na moteri ya DC kugirango itange igihombo cyose cya moteri yikizamini (harimo gutakaza ibyuma, gutakaza imashini, gutakaza inzira, nibindi). Uburyo bwo guca imanza ni uko moteri yipimisha moteri yinjiza ingana na stator ikoreshwa numuringa, ni ukuvuga P1 = pCu, hamwe na voltage numuyoboro mugice. Iki gihe cyapimwe θ1 gihuye ningufu zingufu za zeru.
Incamake: ibyiza by'ubu buryo:
Method Uburyo butaziguye bwo kwipakurura burashobora gupima ubwuzuzanye bwa leta ihagije munsi yimitwaro itandukanye, kandi ntibisaba ingamba zo kugenzura, ibyo bikaba byoroshye kandi byoroshye.
Kuberako ibipimo bikozwe munsi yumutwaro, ingaruka zo kwiyuzuzamo hamwe ningaruka za demagnetisiyonike kuri parameter ya inductance irashobora kwitabwaho.
Ibibi by'ubu buryo:
Method Uburyo butaziguye bwo kwikorera bugomba gupima byinshi icyarimwe (voltage yicyiciro cya gatatu, ibyiciro bitatu, amashanyarazi yingingo, nibindi), gupima inguni yingufu biragoye, kandi nukuri kwikizamini cya buri mubare ugira ingaruka itaziguye kubijyanye no kubara ibipimo, kandi ubwoko bwose bwamakosa mugupima ibipimo byoroshye kwegeranya. Kubwibyo, mugihe ukoresheje uburyo butaziguye bwo gupima ibipimo, hagomba kwitonderwa isesengura ryamakosa, hanyuma ugahitamo ukuri kurwego rwibikoresho.
② Agaciro k'imbaraga za electromotive imbaraga E0 muri ubu buryo bwo gupima zisimburwa mu buryo butaziguye na moteri ya moteri ya moteri nta mutwaro, kandi iri gereranya naryo rizana amakosa yihariye. Kuberako, aho imikorere ya magneti ihoraho ihinduka hamwe numutwaro, bivuze ko kumirongo itandukanye ya stator, ubworoherane nubucucike bwa magneti ahoraho biratandukanye, kubwibyo imbaraga za moteri zikurura amashanyarazi nazo ziratandukanye. Muri ubu buryo, ntabwo arukuri cyane gusimbuza ingufu za electromotive imbaraga zumutwaro hamwe nuburyo bwo kwishima amashanyarazi nta mutwaro.
Reba
[1] Tang Renyuan n'abandi. Imashini igezweho ya moteri ya moteri hamwe nigishushanyo. Pekin: Imashini zikoresha imashini. Werurwe 2011
[2] JF Gieras, M. Wing. Imashini ihoraho ya moteri ya tekinoroji, Igishushanyo nogukoresha, icya kabiri. New York: Marcel Dekker, 2002: 170 ~ 171
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