Poyerekeza ndi ma asynchronous motors, maginito okhazikika a ma synchronous motors ali ndi mwayi wokhala ndi mphamvu yayikulu kwambiri, kuchita bwino kwambiri, magawo oyezera ozungulira, kusiyana kwakukulu kwa mpweya pakati pa stator ndi rotor, kuwongolera bwino, kukula kochepa, kulemera kopepuka, mawonekedwe osavuta, kuchuluka kwa torque / inertia. , etc. Iwo akhala akuchulukirachulukira ntchito m'minda mafuta, makampani mankhwala, nsalu, migodi, CNC makina zida, maloboti, etc., ndi akukula kupita kumphamvu kwambiri (liwiro lalikulu, torque yayikulu), magwiridwe antchito apamwamba komanso miniaturization.
Maginito okhazikika a ma synchronous motors amapangidwa ndi ma stator ndi ma rotor. Ma stator ndi ofanana ndi ma asynchronous motors, opangidwa ndi ma windings a magawo atatu ndi ma stator cores. Maginito okhazikika (maginito) okhazikika amayikidwa pa rotor, ndipo maginito amatha kukhazikitsidwa pamalo ozungulira popanda mphamvu zakunja, zomwe zimathandizira kapangidwe kagalimoto ndikupulumutsa mphamvu. Nkhaniyi ikufotokoza za ubwino wathunthu wa kulimbikitsa maginito okhazikika a synchronous motors kutengera mawonekedwe a maginito okhazikika a synchronous motors.
1. Chapadera ubwino wa okhazikika maginito synchronous galimoto
(1) Popeza rotor imapangidwa ndi maginito okhazikika, kuchulukitsitsa kwa maginito ndikokwera, palibe kusangalatsa komwe kumafunikira, ndipo kutayika kwachisangalalo kumathetsedwa. Poyerekeza ndi ma asynchronous motors, mayendedwe osangalatsa a stator mafunde ndi kutayika kwa mkuwa ndi chitsulo kwa rotor kumachepetsedwa, ndipo mphamvu yogwira ntchito imachepetsedwa kwambiri. Popeza mphamvu ya maginito ya stator ndi rotor imalumikizidwa, pakatikati pa rotor ilibe kutayika kwachitsulo koyambira, kotero kuti magwiridwe antchito (okhudzana ndi mphamvu yogwira) ndi mphamvu (yokhudzana ndi mphamvu yogwira ntchito) ndizokwera kuposa zama motors asynchronous. Maginito osatha a ma synchronous motors nthawi zambiri amapangidwa kuti azikhala ndi mphamvu zambiri komanso kuchita bwino ngakhale akuyenda mopepuka.
Pamene kuchuluka kwa katundu wa ma motors wamba asynchronous ndi ochepera 50%, magwiridwe antchito awo komanso mphamvu zawo zimatsika kwambiri. Pamene mlingo katundu wa Mingteng okhazikika maginito synchronous Motors ndi 25% -120%, dzuwa awo ntchito ndi mphamvu chinthu sasintha kwambiri, ndi dzuwa ntchito ndi> 90%, ndi mphamvu chinthu> 0,85. Mphamvu yopulumutsa mphamvu ndi yofunika kwambiri pansi pa katundu wopepuka, katundu wosinthika ndi katundu wathunthu.
(2) Maginito osatha a ma synchronous motors ali ndi zida zolimba zamakina ndipo samamva kusokonezeka kwa torque ya mota chifukwa cha kusintha kwa katundu. Pakatikati pa rotor ya maginito okhazikika a synchronous motor imatha kupangidwa kukhala yopanda kanthu kuti muchepetse inertia ya rotor, ndipo nthawi yoyambira ndi ma braking imathamanga kwambiri kuposa mota ya asynchronous. Kuchuluka kwa torque / inertia kumapangitsa maginito okhazikika a ma synchronous motors kukhala oyenera kugwira ntchito poyankha mwachangu kuposa ma asynchronous motors.
(3) Kukula kwa maginito okhazikika a ma synchronous motors ndiocheperako kuposa ma asynchronous motors, ndipo kulemera kwawonso kumakhala kopepuka. Ndi kutentha komweku komwe kumatenthedwa ndi zida zotchinjiriza, kachulukidwe kamphamvu ka maginito okhazikika a ma synchronous motors amapitilira kuwirikiza kawiri kwa ma motors atatu asynchronous motors.
(4) Dongosolo la rotor ndi losavuta kwambiri, lomwe ndi losavuta kusamalira ndikuwongolera kukhazikika kwa ntchito.
Popeza ma motors atatu asynchronous motors amafunika kupangidwa ndi mphamvu yapamwamba kwambiri, kusiyana kwa mpweya pakati pa stator ndi rotor kuyenera kukhala kochepa kwambiri. Panthawi imodzimodziyo, kufanana kwa kusiyana kwa mpweya ndikofunikanso pakugwira ntchito kotetezeka ndi phokoso la kugwedezeka kwa galimoto. Choncho, zofunika za mawonekedwe ndi malo kulolerana ndi concentricity msonkhano wa asynchronous galimoto ndi okhwima, ndi ufulu wonyamula chilolezo kusankha ndi ochepa. Ma asynchronous motors okhala ndi zoyambira zazikulu nthawi zambiri amagwiritsa ntchito mayendedwe osambira amafuta, omwe amafunikira kudzazidwa ndi mafuta opaka mkati mwa nthawi yomwe yatchulidwa. Kutuluka kwamafuta kapena kudzaza mosayembekezereka kwa pabowo lamafuta kumathandizira kulephera kwake. Pokonza ma motors atatu asynchronous motors, kukonzanso kwa ma bearings kumakhala ndi gawo lalikulu. Kuphatikiza apo, chifukwa cha kukhalapo kwaposachedwa mu rotor ya gawo lachitatu la asynchronous motor, vuto la dzimbiri lamagetsi lamagetsi lakhudzidwanso ndi ofufuza ambiri m'zaka zaposachedwa.
Maginito okhazikika a ma synchronous motors alibe zovuta zotere. Chifukwa cha kusiyana kwakukulu kwa mpweya wa injini yokhazikika ya maginito synchronous motor, mavuto omwe ali pamwambawa omwe amayamba chifukwa cha mpweya wochepa wa injini ya asynchronous sikuwonekera mu motor synchronous. Pa nthawi yomweyo, mayendedwe a okhazikika maginito synchronous galimoto ntchito matumba mafuta ndi zovundikira fumbi. Ma bearings atsekedwa ndi mafuta oyenerera apamwamba pamene akuchoka kufakitale. Moyo wautumiki wa maginito okhazikika a ma synchronous motor ndiokwera kwambiri kuposa asynchronous motor.
Pofuna kuteteza kutsinde lapano kuti lisawonongeke, Anhui Mingteng maginito okhazikika amatenga kamangidwe kameneka kamene kamakhala kumapeto kwa mchira, komwe kungathe kukwaniritsa zotsatira za insulating, ndipo mtengo wake ndi wotsika kwambiri kuposa insulating. kubereka. Kuonetsetsa moyo wanthawi zonse wautumiki wagalimoto yonyamula, gawo lozungulira la maginito onse okhazikika a Anhui Mingteng ali ndi mawonekedwe apadera othandizira, ndipo m'malo mwa mayendedwe amafanana ndi ma motors asynchronous. Pambuyo pake kunyamula m'malo ndi kukonza kumatha kupulumutsa ndalama zogulira, kupulumutsa nthawi yokonza, ndikutsimikizira kudalirika kwa kupanga kwa wogwiritsa ntchito.
2. Ntchito zofananira za maginito okhazikika a ma synchronous motors m'malo mwa ma asynchronous motors
2.1 Kuwongolera pafupipafupi liwiro lamagetsi apamwamba kwambiri-okwera kwambiri magawo atatu okhazikika maginito synchronous mota ya mphero yoyima mumakampani a simenti
Tengani kopitilira muyeso-mkulu-mwachangu okhazikika maginito synchronous galimoto TYPKK1000-6 5300kW 10kV m'malo asynchronous motor kusintha monga chitsanzo. Izi ndi woyamba zoweta mkulu-voteji okhazikika maginito galimoto pamwamba 5MW kwa ofukula mphero kusintha operekedwa ndi Anhui Mingteng kwa kampani zomangira mu 2021. Poyerekeza ndi choyambirira asynchronous dongosolo galimoto, mphamvu kupulumutsa mlingo ukufika 8%, ndi kuwonjezeka kupanga akhoza kufika 10%. Avereji katundu mlingo ndi 80%, dzuwa la okhazikika maginito galimoto ndi 97.9%, ndi pachaka ndalama zopulumutsa mphamvu ndi: (18.7097 miliyoni yuan ÷ 0,92) × 8% = 1.6269 miliyoni yuan; ndalama zopulumutsa mphamvu zaka 15 ndi: (18.7097 miliyoni yuan ÷ 0,92) × 8% × 15 zaka = 24.4040 miliyoni yuan; ndalama zolowa m'malo zimabwezedwa m'miyezi 15, ndipo kubweza kwa ndalama kumapezedwa kwa zaka 14 zotsatizana.
Anhui Mingteng anapereka zida zonse ofukula mphero kusintha kwa kampani zomangamanga ku Shandong (TYPKK1000-6 5300kW 10kV)
2.2 Low-voltage self-starting ultra-high-efficiency atatu-gawo okhazikika maginito synchronous motor kwa osakaniza makampani mankhwala
Tengani maginito apamwamba kwambiri okhazikika maginito synchronous mota TYCX315L1-4 160kW 380V m'malo mwa asynchronous motor kusintha monga chitsanzo. Izi zidaperekedwa ndi Anhui Mingteng mu 2015 kuti asinthe makina osakaniza ndi ophwanyira pamakampani opanga mankhwala. TYCX315L1-4 160kW 380V ndi oyenera chosakanizira zikhalidwe ntchito. Powerengera mphamvu yamagetsi pa tani pa nthawi ya unit, wogwiritsa ntchitoyo adawerengera kuti 160kw okhazikika maginito synchronous motor imapulumutsa 11.5% magetsi ochulukirapo kuposa injini yoyambirira ya asynchronous yokhala ndi mphamvu yomweyo. Pambuyo pazaka zisanu ndi zinayi zogwiritsira ntchito zenizeni, ogwiritsa ntchito amakhutira kwambiri ndi mphamvu yopulumutsa mphamvu, kukwera kwa kutentha, phokoso, zizindikiro zamakono ndi zina za Mingteng zokhazikika maginito synchronous motor mu ntchito yeniyeni.
Anhui Mingteng adapereka chithandizo chosinthira chosakanizira kwa kampani yamankhwala ku Guizhou (TYCX315L1-4 160kW 380V)
3. Nkhani zomwe ogwiritsa ntchito amasamala nazo
3.1 Moyo wagalimoto Moyo wa mota yonse umadalira moyo wa mayendedwe. Nyumba yamagalimoto imatengera mulingo wa chitetezo cha IP54, womwe ukhoza kukulitsidwa kukhala IP65 muzochitika zapadera, kukwaniritsa zofunikira zamalo afumbi komanso chinyezi. Pansi pa chikhalidwe chowonetsetsa kuti ma coaxiality a kukhazikitsidwa kwa shaft ya motor shaft ndi kunyamula koyenera kwa shaft, moyo wocheperako wamagalimoto amapitilira maola 20,000. Chachiwiri ndi moyo wa fani yoziziritsa, yomwe ndi yaitali kuposa ya galimoto yoyendetsedwa ndi capacitor. Mukathamanga kwa nthawi yayitali m'malo afumbi komanso achinyezi, ndikofunikira kuchotsa nthawi zonse zinthu zomata zomwe zimalumikizidwa ndi fani kuti faniyo isawotchedwe chifukwa chodzaza.
3.2 Kulephera ndi kutetezedwa kwa zida zokhazikika za maginito
Kufunika kwa zida za maginito okhazikika pamakina okhazikika amagetsi kumawonekera, ndipo mtengo wake umakhala wopitilira 1/4 yamtengo wagalimoto yonse. Anhui Mingteng okhazikika maginito galimoto rotor okhazikika maginito zipangizo ntchito mkulu maginito mphamvu mankhwala ndi mkulu intrinsic coercivity sintered NdFeB, ndi sukulu ochiritsira monga N38SH, N38UH, N40UH, N42UH, etc. qualitatively kusanthula polarity wa anasonkhana maginito zitsulo ndi wololera njira, kuti wachibale maginito mtengo wamtundu uliwonse wachitsulo wa maginito uli pafupi, womwe umatsimikizira kusinthasintha kwa dera la maginito ndi khalidwe la msonkhano wazitsulo wa maginito.
Zida zamakono zokhazikika za maginito zimatha kuyenda kwa nthawi yayitali pansi pa kutentha kwakukulu kovomerezeka kwa mafunde amoto, ndipo mphamvu yamagetsi yamagetsi yamagetsi sipamwamba kuposa 1 ‰. Zipangizo zokhazikika za maginito zimafunikira kuti zokutira zapamtunda zipirire mayeso opopera mchere kwa maola opitilira 24. Kwa madera omwe ali ndi dzimbiri la okosijeni kwambiri, ogwiritsa ntchito ayenera kulumikizana ndi wopanga kuti asankhe zida za maginito zokhazikika zokhala ndi ukadaulo wapamwamba woteteza.
4. Momwe mungasankhire injini yamagetsi yokhazikika kuti isinthe mota ya asynchronous
4.1 Dziwani mtundu wa katundu
Katundu wosiyanasiyana monga mphero za mpira, mapampu amadzi, ndi mafani ali ndi zofunikira zosiyanasiyana zamagalimoto, kotero mtundu wa katundu ndi wofunikira kwambiri pakupanga kapena kusankha.
4.2 Dziwani kuchuluka kwa magalimoto pakugwira ntchito bwino
Kodi galimotoyo ikuyenda mosalekeza ndi katundu wathunthu kapena mopepuka? Kapena nthawi zina zimakhala zolemetsa ndipo nthawi zina zimakhala zopepuka, ndipo nthawi yopepuka komanso yolemetsa imasintha nthawi yayitali bwanji?
4.3 Dziwani momwe zimakhudzira magalimoto ena pagalimoto
Pali zochitika zambiri zapadera za kuchuluka kwa magalimoto pamalopo. Mwachitsanzo, katundu wonyamulira lamba amafunika kunyamula mphamvu yozungulira, ndipo injiniyo ingafunikire kusinthidwa kuchokera ku mayendedwe a mpira kupita ku ma roller; ngati pali fumbi kapena mafuta ambiri, tifunika kukonza chitetezo cha injini.
4.4 Kutentha kozungulira
Kutentha kwapamalo ndi komwe tiyenera kuyang'ana kwambiri pakusankha ma mota. Ma motors athu ochiritsira amapangidwa kuti azikhala ndi kutentha kwapakati pa 0 ~ 40 ℃ kapena pansi, koma nthawi zambiri timakumana ndi nyengo yomwe kutentha kumakhala kopitilira 40 ℃. Panthawiyi, tifunika kusankha mota yokhala ndi mphamvu zapamwamba kapena yopangidwa mwapadera.
4.5 Njira yoyika pa malo, miyeso yoyika magalimoto
Njira yokhazikitsira pamalopo, miyeso yoyika ma mota, njira yoyikitsira pamalopo ndi miyeso yoyikanso ndi data yomwe iyenera kupezedwa, kaya chojambula choyambirira chagalimoto, kapena kukula kwa mawonekedwe oyika, kukula kwa maziko ndi malo oyikamo magalimoto. Ngati pali zoletsa malo pamalopo, pangakhale kofunikira kusintha njira yoziziritsira mota, malo a bokosi lotsogolera, ndi zina zambiri.
4.6 Zinthu zina zachilengedwe
Zinthu zina zambiri zachilengedwe zimakhudza kusankha kwagalimoto, monga fumbi kapena kuipitsidwa kwamafuta komwe kumakhudza gawo lachitetezo chagalimoto; mwachitsanzo, m'malo am'madzi kapena malo okhala ndi pH yayikulu, mota iyenera kupangidwira kuti iteteze dzimbiri; m'malo okhala ndi kugwedezeka kwakukulu komanso kutalika kokwera, pali malingaliro osiyanasiyana opangira.
4.7 Kufufuza magawo oyambira asynchronous motor ndi momwe amagwirira ntchito
(1) Nameplate data: voliyumu yovoteledwa, kuthamanga kwake, kuvotera panopa, mphamvu yamagetsi, mphamvu, chitsanzo ndi zina.
(2) Njira yoyika: pezani zojambula zoyambira zamagalimoto, zithunzi zoyika patsamba, ndi zina zambiri.
(3) magawo enieni opaleshoni ya galimoto choyambirira: panopa, mphamvu, chinthu mphamvu, kutentha, etc.
Mapeto
Maginito osatha a ma synchronous motors ndi oyenera kwambiri poyambira kwambiri komanso opepuka. Kukwezeleza ndi kugwiritsa ntchito maginito okhazikika a ma synchronous motors ali ndi phindu pazachuma komanso chikhalidwe cha anthu ndipo ndikofunikira kwambiri pakusunga mphamvu ndi kuchepetsa utsi. Pankhani yodalirika komanso kukhazikika, maginito okhazikika a synchronous motors alinso ndi zabwino zambiri. Kusankhidwa kwa maginito okhazikika okhazikika a maginito synchronous motors ndi ndalama zanthawi imodzi zopindulitsa zanthawi yayitali.
Anhui Mingteng Permanent Magnet Electromechanical Equipment Co., Ltd. (https://www.mingtengmotor.com/) yakhala ikuyang'ana kwambiri pa kafukufuku, chitukuko, kupanga ndi malonda a maginito okhazikika a maginito synchronous motors kwa zaka 17. Zogulitsa zake zimakhala ndi mitundu yambiri yamagetsi apamwamba, otsika kwambiri, pafupipafupi, ma frequency osinthika, ochiritsira, osaphulika, oyendetsa molunjika, ma roller amagetsi, ndi makina amtundu umodzi, ndicholinga chopereka mphamvu zoyendetsera mafakitale. zida.
Maginito okhazikika a Anhui Mingteng ali ndi miyeso yofananira yakunja monga ma asynchronous motors omwe amagwiritsidwa ntchito kwambiri pano, ndipo amatha kulowa m'malo mwa ma asynchronous motors. Kuphatikiza apo, pali gulu laukadaulo laukadaulo kuti lipange ndikupatsa makasitomala njira zosinthira zaulere. Ngati mukufuna kusintha ma asynchronous motors, chonde musazengereze kulumikizana nafe, ndipo tidzakutumikirani ndi mtima wonse!
Nthawi yotumiza: Aug-23-2024