Isu tinobatsira nyika kukura kubva 2007

Iyo nhoroondo yekuvandudza uye yazvino tekinoroji yekusingaperi magineti synchronous mota

Nekugadzirwa kwezvinhu zvisingawanzo gineti zvepasi zvechigarire muma1970s, zvisingawanzo pasi pechigarire magineti mota dzakavapo. Magineti echigarire mota anoshandisa isingawanzo epasi magineti echigarire kunakidzwa, uye magineti echigarire anogona kugadzira anogara magineti minda mushure memagnetization. Kuita kwayo kwekunakidzwa kwakanakisa, uye yakakwirira kune emagetsi ekusimudzira mota maererano nekugadzikana, mhando, uye kuderedzwa kwekurasikirwa, izvo zvazunza musika wechinyakare mota.

Mumakore achangopfuura, nekukura nekukurumidza kwesainzi yemazuva ano uye tekinoroji, kuita uye tekinoroji yezvigadzirwa zvemagetsi, kunyanya zvisingawanzo pasi zvemagetsi zvemagetsi, zvishoma nezvishoma zvakavandudzwa. Yakabatana nekukura nekukurumidza kwemagetsi emagetsi, tekinoroji yekufambisa magetsi uye otomatiki kudzora tekinoroji, kuita kwechigarire magineti synchronous motors kuri kuita nani uye zvirinani.

Uyezve, magineti echigarire anowirirana motors ane zvakanakira uremu huremu, chimiro chakareruka, saizi diki, hunhu hwakanaka uye yakakwira simba density. Mazhinji masangano ekutsvagisa sainzi uye mabhizinesi ari kuita tsvagiridzo nekusimudzira magineti echigarire synchronous motors, uye nzvimbo dzadzo dzekushandisa dzichawedzerwa.

1.Kuvandudza hwaro hwechigarire magineti synchronous mota

a.Kushandiswa kwepamusoro pekuita zvisingawanzoitiki pasi zvachose magineti zvinhu

Kashoma pasi zvachose magineti zvinhu zvakapfuura nematanho matatu: SmCo5, Sm2Co17, uye Nd2Fe14B. Parizvino, zvechigarire magineti zvinhu zvinomiririrwa neNdFeB zvave zvakanyanya kushandiswa mhando yeasingawanzo pasi isingaperi magineti zvinhu nekuda kweakanakisa magineti zvimiro. Iko kuvandudzwa kwezvinhu zvemagineti zvechigarire kwafambisa kuvandudzwa kwemagineti echigarire.

Kuenzaniswa neyechinyakare-nhatu-chikamu induction mota ine emagetsi excitation, magineti echigarire anotsiva emagetsi ekusimudzira danda, inorerutsa chimiro, inobvisa inotsvedza mhete uye bhurashi rerotor, inoziva iyo brushless chimiro, uye inoderedza saizi yerotor. Izvi zvinonatsiridza kuwanda kwesimba, torque density uye kushanda zvakanaka kwemota, uye inoita kuti mota iite diki uye ireruke, ichiwedzera kuwedzera nzvimbo yayo yekushandisa uye nekusimudzira kuvandudzwa kwemagetsi emagetsi akananga kusimba repamusoro.

b.Kushandiswa kwedzidziso itsva yekudzora

Mumakore achangopfuura, kutonga algorithms kwakagadzirwa nekukurumidza. Pakati pavo, vector control algorithms yakagadzirisa dambudziko rekutyaira re AC motors musimboti, zvichiita kuti ma AC motors ave nekuita kwakanaka kwekutonga. Kubuda kwekutonga torque kwakananga kunoita kuti chimiro chekutonga chive nyore, uye chine hunhu hwesimba redunhu kuita kweparameter shanduko uye inokurumidza torque dynamic yekupindura kumhanya. Indirect torque control tekinoroji inogadzirisa dambudziko rehombe torque pulsation yeyakananga torque pane yakaderera kumhanya, uye inovandudza kumhanya uye kutonga kurongeka kwemota.

c.Kushandiswa kwepamusoro-kushanda kwemagetsi emagetsi emagetsi uye mapurogiramu

Mazuva ano magetsi emagetsi tekinoroji chinhu chakakosha pakati peiyo indasitiri yeruzivo uye maindasitiri echinyakare, uye zambuko pakati pesimba razvino uye rinodzorwa rakasimba razvino. Kuvandudzwa kwesimba remagetsi tekinoroji kunogonesa kuzadzikiswa kwemaitiro ekudzora dhiraivha.

Mumakore ekuma1970, akatevedzana e-general-purpose inverters akaoneka, ayo aigona kushandura maindasitiri emagetsi emagetsi kuita anochinja-chinja simba neanogara achichinjika frequency, nokudaro achigadzira mamiriro ekusiyana-siyana ekumhanya kudzora kwesimba reAC. Aya ma inverters ane nyoro yekutanga kugona mushure mekunge frequency yaiswa, uye frequency inogona kusimuka kubva ku zero kuenda kune yakatarwa frequency pane imwe chiyero, uye chiyero chinokwira chinogona kuramba chichigadziriswa mukati mehupamhi hwakasiyana, kugadzirisa dambudziko rekutanga remasynchronous motors.

2.Development mamiriro echigarire magineti synchronous motors kumba uye kunze

Mota yekutanga munhoroondo yaive inogara magineti mota. Panguva iyoyo, kushanda kwezvinhu zvemagineti zvechigarire kwaive kwakashata, uye simba rekumanikidza uye remanence yemagineti echigarire zvaive zvakaderera, saka zvakakurumidza kutsiviwa nemagetsi emagetsi ekusimudzira.

Mumakore ekuma1970, zvisingawanzo pasi zvechigarire magineti zvinhu zvinomiririrwa neNdFeB zvaive nesimba guru rekumanikidza, remanence, simba rekuita demagnetization uye yakakura magineti simba chigadzirwa, izvo zvakaita kuti magineti echigarire asingaperi magineti aonekwe padanho renhoroondo. Ikozvino, tsvagiridzo yekusingaperi magineti synchronous motors iri kuramba ichikura, uye iri kusimukira yakanangana nekumhanya kwakanyanya, torque yakakwirira, simba rakakura uye kugona kwakanyanya.

Mumakore achangopfuura, nekudyara kwakasimba kwevadzidzi vepamba uye hurumende, magineti echigarire synchronous motors akakura nekukurumidza. Nekuvandudzwa kweiyo microcomputer tekinoroji uye otomatiki kudzora tekinoroji, zvechigarire magineti synchronous motors zvakashandiswa zvakanyanya munzvimbo dzakasiyana siyana. Nekuda kwekufambira mberi kwenharaunda, zvinodikanwa zvevanhu zvechigarire magineti synchronous motors zvawedzera kuomarara, zvichiita kuti magineti echigarire agadzirire akananga kune yakakura kumhanya kudzora renji uye yakakwirira chaiyo kutonga. Nekuda kwekuvandudzwa kwemaitiro ekugadzira aripo, yakakwirira-inoshanda isingaperi magineti zvinhu zvakawedzera kuvandudzwa. Izvi zvinoderedza zvakanyanya mutengo wayo uye zvishoma nezvishoma zvinoshandisa kune dzakasiyana siyana dzehupenyu.

3. Michina yazvino

a. Yechigarire magineti synchronous mota dhizaini tekinoroji

Kuenzaniswa neyakajairwa magetsi ekusimudzira mota, magineti echigarire anoenderana motors haana magetsi ekusimudzira mamhepo, mhete dzekuunganidza uye makabati ekusimudzira, ayo anovandudza zvakanyanya kwete chete kugadzikana uye kuvimbika, asiwo kushanda zvakanaka.

Pakati pawo, akavakirwa-mukati magineti echigarire mota ane zvakanakira kushanda kwepamusoro, yakakwirira simba chinhu, yakakwira unit simba density, yakasimba isina simba remagineti yekumhanya yekuwedzera kugona uye nekukurumidza simba rekupindura kumhanya, zvichiita kuti ive sarudzo yakanaka yekutyaira mota.

Magineti echigarire anopa iyo yese yekuwedzeredza magineti yeanogara magineti motors, uye cogging torque inowedzera vibration uye ruzha rwemota panguva yekushanda. Yakawandisa cogging torque ichakanganisa yakaderera-kumhanya mashandiro eiyo mota yekumhanyisa control system uye yakakwirira-chaiyo chinzvimbo cheiyo chinzvimbo chekutonga system. Naizvozvo, kana uchigadzira mota, iyo cogging torque inofanirwa kudzikiswa zvakanyanya sezvinobvira kuburikidza nemotor optimization.

Maererano nekutsvakurudza, nzira dzakawanda dzekudzikisa torque yejojo ​​dzinosanganisira kushandura danda arc coefficient, kuderedza slot upamhi hwe stator, kuenzanisa skew slot uye pole slot, kushandura nzvimbo, ukuru uye chimiro chemagnetic pole, nezvimwewo. , zvinofanirwa kucherechedzwa kuti kana ichidzikisa cogging torque, inogona kukanganisa kumwe kuita kwemota, senge electromagnetic torque inogona kuderera zvinoenderana. Naizvozvo, kana uchigadzira, zvinhu zvakasiyana-siyana zvinofanirwa kuenzana zvakanyanya sezvinobvira kuti uwane yakanakisa mota kuita.

b.Permanent magineti synchronous mota simulation tekinoroji

Kuvapo kwemagineti echigarire mumagineti echigarire motors kunoita kuti zviome kuti vagadziri vaverenge ma paramita, senge dhizaini yeasina-mutoro leakage flux coefficient uye pole arc coefficient. Kazhinji, finite element yekuongorora software inoshandiswa kuverenga uye kukwidziridza ma parameter echigarire magineti mota. Finite element yekuongorora software inogona kuverenga mota paramita nenzira kwayo, uye yakavimbika kwazvo kuishandisa kuongorora mabatiro emota paramita pakuita.

Iyo inogumira chinhu yekuverenga nzira inoita kuti zvive nyore, nekukurumidza uye kwakaringana kwatiri kuverenga uye kuongorora iyo electromagnetic munda wemamotor. Iyi inzira yenhamba yakagadziridzwa pahwaro hwemusiyano nzira uye yakashandiswa zvakanyanya musainzi nehuinjiniya. Shandisa nzira dzemasvomhu kusiyanisa mamwe anoenderera ekugadzirisa madomasi kuita mapoka emayuniti, uye wozopindira muchikamu chimwe nechimwe. Nenzira iyi, mutsara wekududzira basa rinoumbwa, kureva kuti, chiyero chebasa chinoteedzerwa uye kuongororwa uchishandisa magumo zvinhu, izvo zvinotibvumira kuona intuitively kutarisa kutungamira kwemitsara yemagineti uye kugovera kweiyo magineti flux density mukati memota.

c.Permanent magineti synchronous mota control tekinoroji

Kuvandudza mashandiro emota madhiraivha masisitimu zvakare kwakakosha zvikuru mukuvandudza kwenzvimbo yekudzora maindasitiri. Inoita kuti sisitimu ifambiswe pakuita kwakanakisa. Hunhu hwayo hwekutanga hunoratidzwa mukumhanya kwakaderera, kunyanya kana iri kukurumidza kutanga-up, static acceleration, nezvimwewo, inogona kuburitsa torque yakakura; uye kana uchityaira nekumhanya kwakanyanya, inogona kuwana nguva dzose simba rekumhanya kudzora munzvimbo dzakasiyana. Tafura 1 inofanidza kuita kwemamota akati wandei.

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Sezvinoonekwa kubva Tafura 1, zvechigarire magineti motors vane kuvimbika kwakanaka, yakafara kumhanya siyana uye yakakwirira kunyatsoshanda. Kana yakasanganiswa nenzira inoenderana yekudzora nzira, iyo mota system yese inogona kuita yakanakisa kuita. Naizvozvo, zvinodikanwa kuti usarudze yakakodzera kudzora algorithm kuti uwane inobudirira yekumhanyisa kudzora, kuitira kuti mota dhiraivha system ishande munzvimbo yakapamhama yekumhanyisa kudzora nzvimbo uye inogara iine simba renji.

Iyo vector yekudzora nzira inoshandiswa zvakanyanya mune yekusingaperi magineti mota yekumhanyisa control algorithm. Iyo ine mabhenefiti ehupamhi hwekumhanyisa regulation renji, kushanda kwepamusoro, kuvimbika kwepamusoro, kugadzikana kwakanaka uye kunaka kwakanaka kwehupfumi. Inoshandiswa zvakanyanya mumotokari drive, njanji yekufambisa uye muchina chishandiso servo. Nekuda kwekushandiswa kwakasiyana, yazvino vector control strategy yakagamuchirwa zvakare yakasiyana.

4.Unhu hwechigarire magineti synchronous mota

Iyo inogara magineti synchronous mota ine yakapusa chimiro, yakaderera kurasikirwa uye yakakwirira simba chinhu. Kuenzaniswa nemagetsi ekusimudzira mota, nekuti hapana mabhurashi, ma commutators uye zvimwe zvishandiso, hapana reactive excitation ikozvino inodiwa, saka iyo stator ikozvino uye kurashikirwa kurasikirwa idiki, kugona kwakakwira, iyo excitation torque yakakura, uye kutonga kwekuita. zviri nani. Zvakadaro, pane zvakaipira zvakaita sekudhura kwakanyanya uye kuomerwa nekutanga. Nekuda kwekushandiswa kwetekinoroji yekudzora mumamotor, kunyanya kushandiswa kwevector control system, magineti echigarire synchronous motors anogona kuwana yakafara nhanho yekumhanyisa mutemo, inokurumidza kukurumidza kupindura uye yakakwirira-chaiyo chinzvimbo chekutonga, saka zvechigarire magineti synchronous motors inokwezva vanhu vazhinji kuti vaite. tsvakurudzo huru.

5.Technical maitiro eAnhui Mingteng anogara magineti synchronous mota

a. Iyo mota ine yakakwira simba chinhu uye yakakwira mhando yemagetsi grid. Hapana magetsi chinhu compensator inodiwa, uye huwandu hweiyo substation midziyo inogona kushandiswa zvizere;

b. Iyo inogara magineti mota inonakidzwa nemagineti echigarire uye inoshanda zvakafanana. Iko hakuna kumhanyisa pulsation, uye kupikisa kwepombi hakuwedzere kana uchityaira mafeni nemapombi;

c. Iyo inogara magineti mota inogona kugadzirwa ine yakakwira yekutanga torque (kupfuura 3 nguva) uye yakakwira yakawandisa huwandu sezvinodiwa, nokudaro kugadzirisa Chiitiko che "bhiza hombe rinodhonza ngoro diki";

d. Iyo inoshanda ikozvino yeyakajairwa asynchronous mota inowanzoita 0.5-0.7 nguva dzeiyo yakayerwa ikozvino. Mingteng anogara magineti synchronous mota haidi excitation ikozvino. Iyo inoshanda ikozvino yekusingaperi magineti mota uye asynchronous mota ingangoita 50% yakasiyana, uye chaiyo inoshanda ikozvino inenge 15% yakaderera pane iyo asynchronous mota;

e. Iyo mota inogona kugadzirwa kuti itange yakananga, uye iwo ekunze ekuisa zviyero zvakafanana neaya anoshandiswa zvakanyanya asynchronous motors, anogona kutsiva zvizere asynchronous motors;

f. Kuwedzera mutyairi anogona kuwana yakapfava kutanga, yakapfava kumisa, uye isina nhanho yekumhanya mirau, ine yakanaka ine simba mhinduro uye nekuwedzera yakagadziridzwa simba rekuchengetedza simba;

g. Iyo mota ine akawanda topological zvimiro, izvo zvinosangana zvakananga izvo zvakakosha zvemichina michina muhupamhi uye pasi pemamiriro akanyanya;

h. Kuti uvandudze mashandiro ehurongwa, kupfupisa cheni yekutapurirana, uye kuderedza mitengo yekugadzirisa, yakakwira uye yakaderera kumhanya yakananga dhiraivha magineti synchronous motors inogona kugadzirwa uye kugadzirwa kuti isangane nepamusoro zvinodiwa nevashandisi.

Anhui Mingteng Permanent-Magnetic Machinery&Electrical Equipment Co., Ltd.https://www.mingtengmotor.com/) yakavambwa muna 2007. Iri ibhizimusi repamusoro-soro rinonyanya kutsvagisa nekusimudzira, kugadzira uye kutengesa kweyepamusoro-soro inoshanda magineti synchronous motors. Iyo kambani inoshandisa yemazuva ano mota dhizaini dhizaini, inyanzvi dhizaini software uye yakazvimisikidza inogara magineti mota dhizaini chirongwa kutevedzera iyo electromagnetic munda, yemvura ndima, tembiricha munda, kushushikana munda, nezvimwe zvechigarire magineti mota, kukwidziridza iyo magineti yedunhu chimiro, kunatsiridza. iyo simba rekuita nhanho yemota, uye nemusimboti shuwa kushandiswa kwakavimbika kwechigarire magineti mota.

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Nguva yekutumira: Sep-14-2024