Mawu oyamba

Kuchita bwino ndi mphamvu ndi mfundo ziwiri zosiyana.Kuchita bwino kwa mota kumatanthawuza kuchuluka kwa mphamvu yotulutsa shaft ya injini kupita ku mphamvu yomwe imatengedwa ndi mota kuchokera pagululi, ndipo mphamvu yamagetsi imatanthawuza kuchuluka kwa mphamvu yogwira ntchito yagalimoto ndi mphamvu yowonekera.Low power factor ipangitsa kutsika kwamagetsi kwamphamvu kwambiri komanso kutsika kwamphamvu kwamagetsi, zomwe zimapangitsa kuti magetsi azitsika.Mphamvu yogwira ntchito imawonjezeka chifukwa cha kutayika kwa mzere.Mphamvu yamagetsi ndiyotsika, ndipo voteji ndi zamakono sizimalumikizidwa; pamene magetsi akuyenda mothamanga, magetsi amawonjezeka, kutentha kumakhala kwakukulu, ndipo torque imakhala yochepa, zomwe zimawonjezera mphamvu ya gridi.

Kuwunika kopulumutsa mphamvu kwa ultra-high efficient permanent magnet motor

1. Kuyerekeza mphamvu yopulumutsa mphamvu

Mota yamphamvu yamphamvu zitatu ya YX3 imakhala ndi mphamvu zambiri komanso mphamvu kuposa injini yanthawi zonse ya Y2, komanso injini yokhazikika yolumikizana ndi maginito.ali ndi mphamvu zapamwamba komanso mphamvukuposa injini yamphamvu ya YX3 yamagawo atatu, motero mphamvu yopulumutsa mphamvu ndiyabwinoko.

2. Chitsanzo cha kupulumutsa mphamvu

Mphamvu yamagetsi yamagetsi yokhazikika yokhala ndi nameplate ya 22 kW ndi 0.95, mphamvu yamagetsi 0.95 ndi Y2 mota yogwira ntchito bwino 0.9, mphamvu yamagetsi 0.85: I=P/1.73×380×cosφ·η=44A, kuyika kwanthawi zonse. maginito motor Panopa: I=P/1.73×380×cosφ·η=37A, kusiyana komwe kumagwiritsa ntchito ndi 19%

3. Kuwunika mphamvu zowonekera

Y2 mota P=1.732UI=29 kW maginito okhazikika P=1.732UI=24.3 kW kusiyana kogwiritsa ntchito mphamvu ndi 19%

4. Gawo la katundu wogwiritsa ntchito mphamvu

Kuchita bwino kwa ma motors a Y2 kumatsika kwambiri pansi pa 80% katundu, ndipo mphamvu yamagetsi imatsika kwambiri. Ma mota a maginito okhazikika amakhalabe ochita bwino kwambiri komanso mphamvu pakati pa 20% ndi 120% katundu. Pakatundu wapang'ono, maginito okhazikika amagetsikukhalaUbwino waukulu wopulumutsa mphamvu, ngakhale kupulumutsa mphamvu 50%.

5. Kugwiritsa ntchito kusanthula ntchito kopanda phindu

Mphamvu yamagetsi ya Y2 motor nthawi zambiri imakhala pafupifupi 0.5 mpaka 0.7 nthawi yomwe idavoteledwa, mphamvu yamagetsi yamagetsi yokhazikika ili pafupi ndi 1, ndipo palibe kusangalatsa komwe kumafunikira, kotero kusiyana pakati pa mphamvu yamaginito okhazikika. ndipo Y2 motor ili pafupi 50%.

6. Lowetsani mphamvu yamagetsi yamagetsi

Nthawi zambiri zimadziwika kuti ngati injini yokhazikika ya maginito ilowa m'malo mwa Y2 motor, voteji idzawonjezeka kuchokera ku 380V mpaka 390V. Chifukwa: Mphamvu yotsika ya Y2 motor ipangitsa kuti pakhale mphamvu yayikulu, yomwe imayambitsa kutsika kwakukulu kwamagetsi chifukwa cha kukana kwa mzere, zomwe zimapangitsa kuti magetsi azitsika. Galimoto yamaginito yokhazikika imakhala ndi mphamvu yayikulu, imagwiritsa ntchito mphamvu yocheperako, ndipo imachepetsa kutsika kwamagetsi, zomwe zimapangitsa kuti voteji iwuke.

7. Kusanthula slip wamoto

Ma asynchronous motors nthawi zambiri amakhala ndi slip wa 1% mpaka 6%, ndipo maginito okhazikika amayendera limodzi ndi kutsetsereka kwa 0. Chifukwa chake, pansi pamikhalidwe yomweyi, kupanga kwa maginito okhazikika ndi 1% mpaka 6% kuposa ma Y2 motors. .

8. Motor kudzikonda imfa kusanthula

22 kW Y2 motor ili ndi mphamvu ya 90% ndi kudzitaya kwa 10%. Kudzitayika kwa injini kumaposa ma kilowatts 20,000 m'chaka chimodzi chogwira ntchito mosalekeza; mphamvu ya okhazikika maginito galimoto ndi 95%, ndi kudzitaya ndi 5%. Pafupifupi ma kilowatts 10,000, kudzitaya kwa injini ya Y2 kuwirikiza kawiri kuposa maginito okhazikika.

9. Kusanthula kwa mphamvu yamphamvu ya mphotho ya dziko ndi tebulo la chilango

Ngati mphamvu ya Y2 motor ndi 0.85, 0.6% ya chindapusa chamagetsi chidzaperekedwa; ngati mphamvu yamagetsi ndi yayikulu kuposa 0.95, ndalama zamagetsi zidzachepetsedwa ndi 3%. Pali kusiyana kwamitengo ya 3.6% pamitengo yamagetsi yamagetsi okhazikika olowa m'malo mwa Y2 motors, ndipo mtengo wamagetsi kwa chaka chimodzi chogwira ntchito mosalekeza ndi 7,000 kilowatts.

10. Kuwunika kwa Lamulo la Kusunga Mphamvu

Mphamvu yamagetsi ndi chiŵerengero cha ntchito zothandiza ku mphamvu zowonekera. Y2 injini ili ndi mphamvu zochepa, kugwiritsa ntchito mphamvu zochepa, komanso kugwiritsa ntchito mphamvu zambiri; injini ya maginito yokhazikika imakhala ndi mphamvu zambiri, kugwiritsa ntchito bwino mayamwidwe, komanso kugwiritsa ntchito mphamvu zochepa

11. National Energy Efficiency Label Analysis

Yachiwiri mphamvu yamagetsi yamagetsi okhazikika: mota yopulumutsa mphamvu kwambiri YX3 mota Mulingo-zitatu zogwiritsa ntchito mphamvu: wamba Y2 motor imachotsedwa Motor: mota yowononga mphamvu

12. Kuchokera pakuwunika kwa ndalama zothandizira mphamvu za dziko

Thandizo ladziko lonse la ma motors okhala ndi mphamvu yachiwiri ndilokwera kwambiri kuposa lachitatu lamphamvu zamagetsi. Cholinga chake ndikupulumutsa mphamvu kuchokera kugulu lonse, kuti tiwonetsetse kuti dziko likuyenda bwino padziko lonse lapansi. Padziko lonse lapansi, ngati maginito okhazikika amagetsi amagwiritsidwa ntchito kwambiri, mphamvu yamagetsi ya chomera chonsecho idzawongoleredwa, ndi ma voltage apamwamba kwambiri a netiweki, kugwiritsa ntchito bwino makina, kutayika kwa mizere yotsika, komanso kutsika kwa kutentha kwa mzere.

Boma likunena kuti ngati mphamvuyo ili pakati pa 0.7-0.9, 0.5% idzalipiridwa pa 0.01 iliyonse yotsika kuposa 0.9, ndipo 1% idzalipiridwa pa 0.01 iliyonse yotsika kuposa 0.7 pakati pa 0.65-0.7, ndi pansi pa 0.65, kutsika kulikonse kuposa 0.65 Ngati mphamvu ya wogwiritsa ntchito ndi 0.6,ndiyendi (0.9-0.7)/0.01 X0.5% + (0.7-0.65)/0.01 X1% + (0.65-0.6)/0.01X2%= 10%+5%+10%=25%

 

Mfundo zenizeni

AC yokhazikika maginito synchronous motor, rotor ilibe kutsetsereka, palibe kutulutsa kwamagetsi, ndipo rotor ilibe chitsulo choyambira komanso kutayika kwa mkuwa. Rotor ili ndi mphamvu yayikulu chifukwa maginito okhazikika ali ndi mphamvu yakeyake ya maginito ndipo safuna kuchitapo kanthu pakali pano. Mphamvu yogwira ntchito ndi yochepa, stator panopa imachepetsedwa kwambiri, ndipo kutayika kwa mkuwa wa stator kumachepetsedwa kwambiri. Pa nthawi yomweyo, popeza pole arc coefficient ya osowa padziko lapansi okhazikika maginito motor ndi wamkulu kuposa injini asynchronous, pamene voteji ndi stator dongosolo mosalekeza, pafupifupi maginito induction intensity ya galimotoyo ndi yaying'ono kuposa ya asynchronous. injini, ndipo kuwonongeka kwachitsulo kumakhala kochepa. Zitha kuwoneka kuti osowa padziko lapansi okhazikika maginito synchronous motor amapulumutsa mphamvu mwa kuchepetsa zotayika zake zosiyanasiyana, ndipo samakhudzidwa ndi kusintha kwa magwiridwe antchito, chilengedwe ndi zinthu zina.

Mawonekedwe a injini yokhazikika ya maginito synchronous

1. Kuchita bwino kwambiri

Avereji yopulumutsa mphamvu ndi yoposa 10%. Mapiritsi amphamvu a asynchronous Y2 motor nthawi zambiri amatsika mwachangu pa 60% ya katundu omwe adavotera, ndipo mphamvu yake imakhala yotsika kwambiri pakulemetsa. Kupindika bwino kwa injini yokhazikika ya maginito ndi yayikulu komanso yosalala, ndipo ili pamlingo wapamwamba pa 20% mpaka 120% ya katundu wovoteledwa. bwino zone.Malinga ndi miyeso yapatsamba ndi opanga angapo pansi pamikhalidwe yosiyanasiyana yogwirira ntchito, kupulumutsa mphamvu kwa maginito okhazikika a synchronous motors ndi 10-40%.

2. Mphamvu yapamwamba kwambiri

Mphamvu yayikulu, pafupi ndi 1: injini yokhazikika ya maginito yolumikizana sifunikira kusangalatsa kwapano, kotero mphamvuyo imakhala pafupifupi 1 (ngakhale capacitive), mphamvu yokhotakhota komanso yokhotakhota bwino ndiyokwera komanso yosalala, chinthu champhamvu ndichokwera, stator yamakono ndi yaying'ono, ndipo kutayika kwa mkuwa wa stator kumachepetsedwa, Sinthani bwino. Gulu lamagetsi a fakitale limatha kuchepetsa kapena kuletsa chipukuta misozi cha capacitor. Pa nthawi yomweyo, zotakasuka mphamvu chipukuta misozi ya okhazikika maginito galimoto ndi nthawi yeniyeni pa malo chipukuta misozi, zomwe zimapangitsa mphamvu fakitale kukhala okhazikika, zomwe zimapindulitsa kwambiri ntchito yachibadwa zida zina, amachepetsa zotakataka mphamvu. kutaya kwa chingwe kufala mu fakitale, ndipo amakwaniritsa zotsatira za mabuku mphamvu yopulumutsa.

3. Mphamvu yamagetsi ndi yaying'ono

Pambuyo potengera maginito okhazikika, mphamvu yamagetsi imachepa kwambiri. Poyerekeza ndi Y2 motor, injini yamagetsi yokhazikika imakhala ndi injini yocheperako kwambiri kudzera muyeso lenileni. The okhazikika maginito galimoto sikutanthauza zotakasika masangalalo panopa, ndipo galimoto panopa yafupika kwambiri. Kutayika kwa kufalikira kwa chingwe kumachepetsedwa, komwe kuli kofanana ndi kukulitsa mphamvu ya chingwe, ndipo ma motors ambiri akhoza kuikidwa pa chingwe chotumizira.

4. Palibe kutsetsereka pakugwira ntchito, liwiro lokhazikika

Makina okhazikika a maginito ndi injini yolumikizana. Kuthamanga kwa injini kumangogwirizana ndi kuchuluka kwa magetsi. Pamene 2-pole motor ikugwira ntchito pansi pa magetsi a 50Hz, liwiro limakhala lokhazikika pa 3000r / min.Palibe kasinthasintha wotayika, palibe kutsetsereka, sikukhudzidwa ndi kusinthasintha kwamagetsi ndi kukula kwa katundu.

5. Kutentha kwa kutentha ndi 15-20 ℃ kutsika

Poyerekeza ndi injini ya Y2, kutayika kwa injini yamagetsi yokhazikika kumakhala kochepa, kutayika kwathunthu kumachepetsedwa kwambiri, ndipo kutentha kwa injini kumachepa.Malingana ndi muyeso weniweni, pansi pazimenezi, kutentha kwa ntchito ya injini yamagetsi yokhazikika ndi 15-20 ° C kutsika kuposa ya Y2 motor.

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Nthawi yotumiza: Apr-18-2023