Yantai Bonway Manufacturer

Mphamvu yamagetsi yamagetsi

Makina owongolera magalimoto a ABB amapereka mphamvu zotetezeka komanso zodalirika zamakina ndi zida m'maiko ambiri padziko lonse lapansi kudzera pamapulogalamu ophatikizika, ma hardware ndi ntchito. Ali ndi zaka zambiri komanso luso laukadaulo pantchito yowongolera magalimoto.

Zogulitsa ndi mayankho apakati pamagetsi amagetsi amatha kugwira ntchito modziyimira pawokha kapena ngati gawo la makina ophatikizika komanso owopsa.

Kuwongolera kwa magalimoto, magawo mpaka 7.2 kV, 50 kA, amatha kulumikizidwa mwachindunji ndi makabati osinthira a ABB UniGear, otuluka kuchokera mbali zonse ziwiri za switch cabinet.

Ubwino waukulu:
Itha kugwiritsidwa ntchito pama projekiti apanyanja okhala ndi ntchito zosiyanasiyana
Ali mkulu ntchito kudalirika kuonetsetsa chitetezo payekha
Kusankha koyenera kwa ma gridi anzeru kuthana ndi zovuta zamtsogolo
Kutetezedwa kwachilengedwe, zida zitha kubwezeretsedwanso
Fakitale yapadziko lonse lapansi ndi chithandizo chautumiki

Mphamvu yamagetsi yamagetsi nthawi zambiri imatanthawuza ma mota akulu akulu kuposa 1000V, ndipo 660V/380V/220V/110V onse amatchedwa voteji yapakati. Magetsi otsika amakhala makamaka amagetsi ochepera 100V

Mndandanda wamagalimoto amtundu umodzi, magawo atatu apamwamba kwambiri oyendetsa magalimoto. M'badwo watsopano wa Dongfang Motor wa ma AC ang'onoang'ono amagetsi amagetsi. Imatengera mtundu wapamwamba kwambiri wagalimoto yogwira ntchito kwambiri, imakhala ndi chochepetsera champhamvu kwambiri chokhala ndi kukhazikika kwabwino kwambiri, ndipo imatsata zosavuta kugwiritsa ntchito, mtengo wololera, komanso kusankha kotsika mtengo.

Galimoto imatanthawuza chipangizo chamagetsi chomwe chimazindikira kutembenuka kapena kufalitsa mphamvu yamagetsi molingana ndi lamulo la electromagnetic induction.
Galimoto imayimilidwa ndi kalata M mu gawo (muyezo wakale ndi D). Ntchito yake yayikulu ndikupanga makokedwe oyendetsa. Monga gwero lamagetsi lazida zamagetsi kapena makina osiyanasiyana, jeneretayo amayimiridwa ndi chilembo G m'gawo. Ntchito yake yayikulu ndi Udindo ndikusintha makina amagetsi kukhala magetsi.

1. Kugawidwa molingana ndi mtundu wamagetsi: itha kugawidwa mu DC motors ndi AC motors.
1) Ma mota a DC atha kugawidwa molingana ndi kapangidwe kake ndi mfundo zake: ma brushless DC motors ndi ma brashi DC.
Magalimoto a Brush DC atha kugawidwa motors: DC maginito okhazikika ndi ma mota amagetsi a DC.
Magalimoto amagetsi a Electromagnetic DC agawika: makina okondwerera DC, ma DC osunthika, osunthira motors a DC ndi ma motors okondwerera DC.
Maginito okhazikika a DC amagawidwa kukhala: osowa padziko lapansi okhazikika maginito DC motors, ferrite okhazikika maginito DC motors ndi Alnico okhazikika maginito DC motors.
2) Pakati pawo, ma mota a AC amathanso kugawidwa: motors gawo limodzi ndi magawo atatu a motors.

2. Malinga ndi kapangidwe kake ndi kagwiritsidwe kake, kamatha kugawidwa ngati ma DC mota, ma asynchronous motors ndi ma synchronous motors.
1) Magalimoto oyanjana amatha kugawidwa mu: maginito okhazikika maginito ophatikizira, kunyinyirika motors ofanana ndi hysteresis ma mota ofananira.
2) Ma motors asynchronous amatha kugawidwa kukhala: ma induction motors ndi AC commutator motors.
Makina opanga Induction atha kugawidwa m'magawo atatu amtundu wa asynchronous motors, gawo limodzi lokhazikika motors ndi ma shaded-pole asynchronous motors.
Makina oyendetsa magetsi a AC atha kugawidwa motors: AC-DC motors-single motors and motor repulsion.

3. Malinga ndi njira yoyambira ndi magwiridwe antchito, itha kugawidwa mu: capacitor-poyambira gawo limodzi lokhazikika, makina oyendetsa makina osakanikirana, oyendetsa gawo limodzi osagwirizana ndi gawo limodzi lokhazikika galimoto.

4. Malinga ndi cholinga, itha kugawidwa mu: kuyendetsa galimoto ndi kuyendetsa galimoto.
1) Magalimoto oyendetsa akhoza kugawidwa mu: magalimoto azida zamagetsi (kuphatikiza zida zobowoleza, kupukuta, kupukuta, kubowola, kudula, kuyambiranso, ndi zina zambiri), zida zapanyumba (kuphatikiza makina ochapira, mafani amagetsi, mafiriji, ma air conditioner, zojambulira matepi , makanema, zowonjezera, makamera, zowumitsa tsitsi, zometera zamagetsi, ndi zina zambiri) ndi zida zina zazing'ono zamakina (kuphatikiza zida zazing'ono zamakina, makina ang'onoang'ono, zida zamankhwala, zida zamagetsi, ndi zina zambiri) magalimoto.
2) Ma mota oyang'anira agawika motors opitilira ndi ma servo motors.

5. Malingana ndi kapangidwe ka rotor, itha kugawidwa motere: ma cage motuction motors (otchedwa squirrel cage asynchronous motors mu muyeso wakale) ndi motor rotor induction motors (yotchedwa bala asynchronous motors mu muyeso wakale).

6. Malinga ndi liwiro logwirira ntchito, limatha kugawidwa: mota othamanga kwambiri, othamanga kwambiri, othamanga mosalekeza, komanso othamanga kwambiri. Magalimoto othamanga amagawika motors ochepetsera zida zamagalimoto, zamagetsi zamagetsi, ma torque oyenda ndi ma cors-pole ma mota ofanana.

Mtundu wa DC
Mfundo yogwirira ntchito ya jenereta ya DC ndikutembenuza mphamvu yamagetsi yamagetsi yamagetsi popanga zida zamagetsi kukhala mphamvu yamagetsi yamagetsi DC ikamachokera kumapeto kwa burashi ndi woyendetsa komanso kusintha kwa burashi.
Mayendedwe a mphamvu ya electromotive yochititsa chidwi amatsimikiziridwa molingana ndi lamulo la dzanja lamanja (mzere wa maginito wa malo olowera m'manja, chala chachikulu chimalozera komwe kondakitala akuyenda, ndi zala zina zinayi kuloza komwe akulowera. mphamvu ya electromotive yochititsa chidwi mu conductor).
mfundo yogwira ntchito
Malangizo a mphamvu ya wochititsa amatsimikiza ndi lamulo lamanzere. Izi zamagetsi zamagetsi zamagetsi zimapanga kamphindi kamene kamagwira ntchitoyo. Mphindiyi imatchedwa makokedwe amagetsi pamagetsi azungulira. Kukhazikika kwa torqueyo kumayenda motsutsana ndi wotchinga poyesa kupanga zida zankhondo mozungulira mozungulira. Ngati makokedwe amagetsi atha kugonjetsa makokedwe olimbirana pachipikacho (monga kukana kwamphamvu komwe kumayambitsidwa chifukwa cha kukangana ndi ma torque ena), zida zankhondo zimatha kuzungulira mozungulira.
Galimoto yama DC ndi mota yomwe imagwira ntchito yamagetsi yama DC ndipo imagwiritsidwa ntchito kwambiri pojambulira matepi, zojambulira makanema, ma DVD, ma shavers amagetsi, zowumitsa tsitsi, ulonda wamagetsi, zoseweretsa, ndi zina zambiri.

mu atomu
Magalimoto amagetsi a Electromagnetic DC amapangidwa ndi ma stator, rotor (armature), commutator (omwe amadziwika kuti commutator), maburashi, ma casing, mayendedwe, etc.
Mitengo ya maginito a stator (mizati yayikulu yamagetsi) yamagetsi yamagetsi yamagetsi yamagetsi imakhala ndi pachitsulo chachitsulo komanso chosangalatsa. Malinga ndi njira zosiyanasiyana zakusangalalira (zomwe zimatchedwa kukondoweza muyezo wakale), zitha kugawidwa m'magalimoto okondweretsedwa ndi DC, ma DC osunthika, osunthira motors a DC ndi ma DC. Chifukwa cha njira zosiyanasiyana zakukondweretsani, lamulo la stator magnetic pole flux (lomwe limapangidwa ndi koyilo la stator pole limalimbikitsidwa) ndilosiyana.
Mapiringidzo a kumunda ndi mapiritsi a rotor amtundu wokondwa wa DC motor amalumikizidwa motsatizana kudzera muburashi ndi commutator. Mphamvu yakumunda imayenderana ndi zida zankhondo. Kuthamanga kwa maginito kwa stator kumawonjezeka ndi kuwonjezeka kwa munda wamakono, ndipo torque ndi yofanana ndi magetsi. Mphamvu yamagetsi ndi yofanana ndi sikweya yapano, ndipo liwiro limatsika mwachangu pomwe torque kapena kuchuluka kwapano. Makokedwe oyambira amatha kufikira nthawi zopitilira 5 kuchuluka kwake, ndipo torque yayitali yayitali imatha kufikira nthawi zopitilira 4 kuchuluka kwake. Kuthamanga kwa liwiro kumakhala kwakukulu, ndipo liwiro lopanda katundu ndilokwera kwambiri (nthawi zambiri sililoledwa kuthamanga popanda katundu). Kuwongolera liwiro kumatha kutheka pogwiritsa ntchito zopinga zakunja ndi ma windings angapo motsatizana (kapena motsatana), kapena kusintha ma windings angapo mofanana.

Makina oyeserera a DC othamangitsidwa motakasuka amalumikizidwa mofanana ndi makina ozungulira, mafunde okondweretsanso amakhala osasunthika, makokedwe oyambira amafanana ndi zida zaposachedwa, ndipo poyambira ndi nthawi pafupifupi 2.5 kuposa momwe adavotera pano. Liwiro limachepa pang'ono ndikuchulukirachulukira kwamakono ndi makokedwe, ndipo kanthawi kochepa kwambiri kochulukitsa nthawi 1.5 ya torque yomwe idavoteledwa. Mtengo wosintha mwachangu ndi wocheperako, kuyambira 5% mpaka 15%. Liwiro lingasinthidwe ndikuchepetsa mphamvu yamaginito.
Makulidwe achisangalalo a DC omwe amakhala osangalatsidwa ndi mota amalumikizidwa ndi magetsi odziyimira pawokha, ndipo maiko ake okopa nthawi zonse amakhala ofanana, ndipo makokedwe oyambira amafanana ndi zida zaposachedwa. Kusintha kwachangu kulinso 5% ~ 15%. Liwiro likhoza kuwonjezeka ndikufooketsa maginito ndi mphamvu yamagetsi nthawi zonse kapena pochepetsa mphamvu yamagetsi yothamangitsira kuti ichepetse kuthamanga.
Kuphatikiza pa mafunde a shunt pamitengo ya stator ya mota ya DC yosangalatsa, palinso ma windings osangalatsa omwe amalumikizidwa motsatizana ndi ma rotor windings (chiwerengero cha kutembenuka ndi chochepa). Mayendedwe a maginito flux opangidwa ndi mndandanda wokhotakhota ndi wofanana ndi wa mafunde akulu. Makokedwe oyambira amakhala pafupifupi 4 kuwirikiza ma torque ovoteledwa, ndipo torque yayitali yayitali imakhala pafupifupi 3.5 nthawi yowerengera. Kusintha kwa liwiro ndi 25% ~ 30% (zokhudzana ndi mafunde a mndandanda). Liwiro likhoza kusinthidwa mwa kufooketsa mphamvu ya maginito.
Gawo la commutator la commutator limapangidwa ndi zinthu za alloy monga siliva-mkuwa, cadmium-copper, etc., ndikuwumbidwa ndi pulasitiki yamphamvu kwambiri. Maburashiwo amalumikizana ndi commutator kuti apereke mphamvu yamagetsi yamagetsi a rotor. Maburashi amagetsi a electromagnetic DC nthawi zambiri amagwiritsa ntchito maburashi achitsulo a graphite kapena maburashi a electrochemical graphite. Chitsulo chachitsulo cha rotor chimapangidwa ndi mapepala achitsulo a silicon opangidwa ndi laminated, nthawi zambiri mipata 12, yokhala ndi ma seti 12 a ma windings a armature omwe amalowetsedwamo, ndipo mapiringidzo aliwonse akalumikizidwa motsatizana, amalumikizidwa ndi mbale 12 zoyendera motsatana.

Njinga yolumikizirana ndimagalimoto wamba a AC ngati mota wopangira. Khalidwe lake ndiloti: pakadutsa magwiridwe antchito, pamakhala ubale pakati pa liwiro la rotor ndi grid pafupipafupi n = ns = 60f / p, ndipo ns imakhala liwiro lofananira. Ngati pafupipafupi grid yamagetsi sikusintha, kuthamanga kwamagalimoto oyenda mosasunthika kumakhala kosasunthika mosasamala kanthu za kukula kwa katundu. Magalimoto oyendera ma synchronous adagawika ma jenereta ofanana ndi ma mota ofananira. Makina a AC mumagetsi amakono makamaka ndi ma mota oyanjana.
mfundo yogwira ntchito
Kukhazikitsidwa kwa mphamvu yamaginito yayikulu: kukondoweza kwamphamvu kumadutsa ndi malemeredwe a DC kuti akhazikitse maginito olimbikitsa pakati pa polarities, ndiye kuti, maginito akuluakulu amakhazikitsidwa.
Kondakitala wonyamula pakali pano: Mapiri a magawo atatu ofananirako amakhala ngati mafunde amphamvu ndipo amakhala chonyamulira champhamvu yamagetsi kapena mphamvu yamagetsi.
Kudula mayendedwe: Woyendetsa wamkulu amayendetsa rotor kuti azungulire (kulowetsa mphamvu zamakina kumotoka), mphamvu yamagetsi yamagetsi pakati pa magawo a polar imazungulira ndi shaft ndikudula motsatana ma windings a stator gawo (lofanana ndi kondakitala wokhotakhota reverse kudula chisangalalo cha maginito. munda).
M'badwo wamagetsi osinthasintha: Chifukwa cha kusuntha kwapakati pakati pa mafunde a armature ndi gawo lalikulu la maginito, mphamvu yamagetsi yosinthika ya magawo atatu yomwe kukula kwake ndi mayendedwe ake zimasintha nthawi ndi nthawi zimapangitsidwa muzolowera zankhondo. Kupyolera mu waya wotsogolera, mphamvu ya AC ikhoza kuperekedwa.

Kusinthana ndi symmetry: Chifukwa cha kusinthasintha kwa polarity yozungulira maginito, polarity ya mphamvu yamagetsi yomwe imapangitsa kuti isinthe; chifukwa cha symmetry ya zida zankhondo, symmetry ya magawo atatu a mphamvu yamagetsi yomwe imapangitsa kuti ikhale yotsimikizika.
1. AC synchronous motor
AC synchronous motor ndi mota yothamanga yokhazikika yomwe liwiro la rotor limasunga ubale wokhazikika ndi ma frequency amphamvu. Amagwiritsidwa ntchito kwambiri pazida zamagetsi, zida zamakono zamaofesi, makina opangira nsalu, etc.
2. Permanent maginito synchronous galimoto
Maginito okhazikika a synchronous motor ndi asynchronous start okhazikika maginito synchronous motor. Dongosolo lake la maginito limapangidwa ndi maginito amodzi kapena angapo okhazikika, nthawi zambiri mkati mwa khola la rotor wowotcherera ndi aluminiyamu kapena mipiringidzo yamkuwa, ndipo imayikidwa molingana ndi nambala yofunikira yamitengo. Mitengo ya maginito yokhala ndi maginito okhazikika. Mapangidwe a stator ndi ofanana ndi injini ya asynchronous.
Mapiritsi a stator akalumikizidwa ndi magetsi, mota imayamba ndikuzungulira molingana ndi mfundo ya asynchronous motor, ndipo ikathamangira ku liwiro lofananira, torque ya synchronous electromagnetic yomwe imapangidwa ndi mphamvu yamagetsi yokhazikika ya rotor ndi stator maginito. munda (makokedwe amagetsi opangidwa ndi maginito okhazikika a rotor amafananizidwa ndi Kaphatikizidwe ka torque kamene kamapangidwa ndi stator magnetic field imakoka rotor kuti igwirizane, ndipo mota imalowa m'ntchito yolumikizana.
Reluctance Synchronous Motor Reluctance Synchronous Motor, yomwe imadziwikanso kuti reactive synchronous motor, ndi injini yolumikizana yomwe imapanga torque yokakamira pogwiritsa ntchito ma rotor quadrature axis komanso kusafuna kuwongolera kwa axis kuti ipangitse torque yosafuna. Stator yake ili ndi mawonekedwe ofanana ndi a asynchronous motor, kupatula mawonekedwe a rotor. zosiyana.