Iyo yakakwira-voltage mota inoreva mota inoshanda pasi pesimba frequency ye50Hz uye yakayerwa voltage ye3kV, 6kV uye 10kV AC matatu-phase voltage.Kune dzakawanda nzira dzekugadzirisa dzemagetsi e-high-voltage, ayo akakamurwa kuva marudzi mana: maduku, epakati, makuru uye akawedzerwa makuru maererano nekugona kwavo;iwo akakamurwa kuita A, E, B, F, H, uye C-kirasi mota zvinoenderana nemagiredhi avo ekudzivirira;General-chinangwa chakakwira-voltage mota uye yakakwira-voltage mota ine yakakosha zvimiro uye mashandisiro.
Iyo mota ichaunzwa muchinyorwa ichi ndeye general-chinangwa chakakwira-voltage squirrel-cage matatu-chikamu asynchronous mota.
Iyo yakakwira-voltage squirrel-cage matatu-chikamu asynchronous mota, semamwe mota, yakavakirwa pamagetsi induction.Pasi pechiito cheyakakwira magetsi emagetsi uye kuita kwakazara kweyayo tekinoroji mamiriro, ekunze nharaunda uye ekushanda mamiriro, mota inoburitsa magetsi mukati meimwe nguva yekushanda.Kusiyana kwakasiyana-siyana kwemagetsi nemagetsi.
1 Chikamu chepamusoro voltage mota kukanganisa Michina yekudyara mumagetsi emagetsi, senge pombi dzemvura dzekudya, pombi dzinotenderera, pombi dzecondensation, pombi dzekusimudza, dhizaini mafeni, mafuridzo, anobvisa hupfu, zvigayo zvemarasha, marasha emarasha, mafeni ekutanga, uye pombi dzevhu, zvese zvinofambiswa nemamota emagetsi. .chiito: kufamba.Michina iyi inomira kushanda munguva pfupi, izvo zvinokwana kukonzera kudzikiswa kwekubuda kwemagetsi, kana kudzima, uye zvinogona kukonzera tsaona dzakakomba.Naizvozvo, kana tsaona kana chiitiko chisina kujairika chikaitika mukushanda kwemota, mutyairi anofanira kukurumidza uye nenzira kwayo kuona chimiro uye chikonzero chekutadza zvinoenderana nechiitiko chetsaona, kutora matanho anoshanda, uye kubata nazvo nenguva kudzivirira tsaona. kubva pakuwedzera (zvakadai sekuderedzwa kwekubuda kwechigadzirwa chemagetsi, kugadzirwa kwemagetsi kweiyo turbine yese yemhepo).Yuniti inomira kumhanya, kukuvara kukuru kwemidziyo), zvichikonzera kurasikirwa kusingayereki kwehupfumi. Munguva yekushanda kwemotokari, nekuda kwekuchengetedza kusina kunaka uye kushandiswa, zvakadai sekutanga kutanga, kuremerwa kwenguva refu, motokari inonaya, mechanical bumps, nezvimwewo, motokari inogona kukundikana. Mhosho dzemota dzemagetsi dzinowanzo kupatsanurwa muzvikamu zvinotevera: ① Kukuvara kwekudzivirira kunokonzerwa nezvikonzero zvemuchina, senge kutakura kupfeka kana kutakura simbi nhema inonyunguduka, guruva remota rakawandisa, kuzunguzika kwakanyanya, uye kupisa kwekudzivirira uye kukuvara kunokonzerwa nemafuta ekuzora anowira pamusoro. stator winding, Saka kuti kuparara kwekudzivirira kunokonzera kukundikana;② kuparara kwekudzivirira kunokonzerwa nekusakwana kwesimba remagetsi rekudzivirira.Zvakadai semota chikamu-kune-chikamu chipfupi-dunhu, yepakati-inotendeuka pfupi-dunhu, imwe-chikamu uye goko rinogadzika pfupi-dunhu, nezvimwe .;③ kukanganisa kunokonzerwa nekuremerwa.Semuyenzaniso, kushomeka kwechikamu chekushanda kwemota, kugara uchitanga uye kuzvitanga wega mota, kuwandisa kwemechani mutoro unodhonzwa nemotor, kukuvadzwa kwemakanika kunodhonzwa nemotor kana rotor kubatika, nezvimwewo, zvinokonzeresa. kutadza kwemotor winding. 2 Yakakwira voltage mota stator kukanganisa Michina mikuru yekubatsira yegiya remagetsi ese ane ma-high-voltage motors ane voltage level ye6kV.Nekuda kwemamiriro asina kunaka ekushanda kwemamotor, mota inotanga, kubuda kwemvura kwemapombi emvura, kubuda kwemhepo uye kunyorova kwakaiswa pasi pemamita asina kunaka, nezvimwewo, injodzi huru.Kushanda kwakachengeteka kweakakwira voltage motors.Yakabatana nehurombo husina kunaka hwekugadzira mota, matambudziko mukushanda nekugadzirisa, uye kusatarisira zvakanaka, tsaona dzemotokari dzakakwirira-voltage dzinowanzoitika, izvo zvinokanganisa zvakanyanya kubuda kwejenareta uye kushanda kwakachengeteka kwemagetsi emagetsi.Semuyenzaniso, chero rutivi rumwe rwemutobvu neruvhuvhuta ruchitadza kushanda, kubuda kwejenareta kunodonha ne50%. 2.1 Mhosva dzakajairika ndedzinotevera ①Nekuda kwekugara uchitanga nekumira, nguva yakareba yekutanga, uye kutanga nemutoro, kuchembera kweiyo stator insulation inokwidziridzwa, zvichikonzera kukanganisa kwekudzivirira panguva yekutanga kana panguva yekushanda, uye mota inopiswa;②Hunhu hwemotor haina kunaka, uye waya yekubatanidza pamagumo e stator winding haina kukwenenzverwa.Simba remagetsi harina kukwana, iyo stator slot wedge yakasununguka, uye iyo yekuvharira haina simba.Kunyanya kunze kweiyo notch, mushure mekutanga kudzokororwa, kubatana kwakaputsika, uye kuvharidzira pamagumo emhepo kunodonha, zvichikonzera kupfupika kwedunhu rekuputsika kwemota kana kupfupika kutenderera pasi, uye mota inopiswa;Kanoni yakabatira moto ndokukuvadza mota.Chikonzero ndechekuti iyo yekutungamirira waya yakatarwa yakaderera, mhando yakashata, nguva yekumhanya yakareba, nhamba yekutanga uye yekumira yakawanda, simbi inochembera nemagetsi, kuramba kwekubata kwakakura, iyo insulation inova brittle, uye kupisa kunogadzirwa, zvichiita kuti injini inopisa.Zvizhinji zvezvibatanidza zvetambo zvinokonzerwa nekushanda kwevashandi vekugadzirisa uye kushanda kusina hanya panguva yekugadzirisa, zvichikonzera kukanganisa kwemagetsi, izvo zvinokura kukundikana kwemotokari;④Kukuvadzwa kwemuchina kunoita kuti mota iremerwe nekutsva, uye kukuvara kwekutakura kunoita kuti mota itsvaira mukamuri, zvichiita kuti mota ipere;Urombo husina kunaka hwekuchengetedza uye kukanganiswa kwemidziyo yemagetsi kunokonzera kuvharwa kwechikamu chetatu panguva dzakasiyana, zvichikonzera kushanda kwepamusoro-soro, izvo zvinokonzera kuparara kwekudzivirira uye kupisa motokari;⑥ Iyo mota iri munzvimbo ine guruva, uye huruva inopinda pakati pe stator uye rotor yemota.Zvinhu zvinopinda zvinokonzera kupisa kwakashata uye kukanganisa kwakakomba, izvo zvinokonzera kutonhora kukwira uye kupisa motokari;⑦ Motokari ine chiitiko chemvura uye chiputi chinopinda, izvo zvinoita kuti kuvhara kudonhe, zvichiita kuti kupfupi-kutenderera kuputika uye kupisa motokari.Chizhinji chechikonzero ndechekuti mushandisi haacherechedze kugeza pasi, zvichiita kuti mota ipinde mumotokari kana midziyo inodonhedza uye kubuda kwemhepo kusingaonekwe nenguva, izvo zvinoita kuti mota inopisa;Motokari kukuvadzwa nekuda kwekupfuura;⑨ mota inodzora dunhu kutadza, kupisa kuparara kwezvikamu, hunhu husina kugadzikana, kubviswa, kurasikirwa kwemagetsi munhevedzano, nezvimwe;Kunyanya, iyo zero-sequence yekudzivirira yeakadzika-voltage motors haina kuisirwa kana kutsiviwa neitsva yakakura-yakakura mota, uye gadziriro yekudzivirira haina kuchinjwa nekufamba kwenguva, zvichikonzera mota hombe ine diki kugadzika, uye akawanda anotanga ari. kusabudirira;11 Maswichi nematambo ari padunhu rekutanga remota akatyoka uye chikamu chishaikwa Kana kudzika kunokonzera kupisa kwemota;12 ronda mota stator uye rotor switch yenguva yakatarwa inofananidzwa zvisina kufanira, zvichiita kuti mota inopisa kana kutadza kusvika payakayerwa kumhanya;13 motor nheyo haina kusimba, ivhu harina kusungirirwa zvakanaka, zvichiita kuti kudedera uye kudedera Kupfuura mwero kunokuvadza mota. Mukugadzira mota, nhamba shoma ye stator coil lead heads (zvikamu) zvine hurema hwakanyanya, senge makatsemuka, makatsemuka uye zvimwe zvinhu zvemukati, uye nekuda kweakasiyana mamiriro ekushanda panguva yekushanda kwemota, (mutoro unorema uye kazhinji kutanga kutenderera. muchina, nezvimwewo) inongoridza kukanganisa kwakakurumidza.mhedzisiro inoitika.Panguva ino, simba re electromotive rinenge rakakura, izvo zvinokonzera kuzununguka kwakasimba kwemutsara wekubatanidza pakati pe stator coil uye pole phase, uye inosimudzira kuwedzera zvishoma nezvishoma kwekusara kwekuputika kana kutsemuka mumutungamiri wekupedzisira we stator coil.Mhedzisiro yacho ndeyekuti density yezvino yechikamu chisina kuputsika pakuremara kwekutendeuka kunosvika padanho rakakura, uye waya yemhangura panzvimbo ino ine kudonha kwakapinza mukuoma nekuda kwekukwira kwekushisa, zvichikonzera kutsva uye arcing.Coil yakakuvadzwa newaya imwe yemhangura, kana imwe yadzo ikatyoka, imwe yacho inowanzova isina kusimba, saka inogona kutangwa, asi kutanga kwega kwega kunotevera kunotsemuka., ese ari maviri anogona kupisa imwe waya yemhangura iri padyo iyo yakawedzera density yazvino. Zvinokurudzirwa kuti mugadziri asimbise manejimendi ekugadzirisa, senge mhepo yemhepo yemhepo, kuchenesa uye jecha maitiro eiyo inotungamira tipi recoil, inosunga nzira mushure mekunge coil yaiswa, kubatana kweiyo static coil, uye iko kupeta kwetipi inotungamira pamberi peiyo welding musoro (flat bending inoita kupeta) kupedzisa maitiro, zviri nani kushandisa sirivheri welded majoini kune akakwira-voltage motors pamusoro pehukuru hwepakati.Panzvimbo yekushanda, iyo ichangobva kuisirwa uye yakagadziridzwa yakakwira-voltage mota ichaiswa pasi pekumira nevoltage test uye yakananga kuramba kuyerwa uchishandisa mukana wekugara kudiki kugadzirisa kweyuniti.Mapeji ari pamagumo e stator haana kusungwa zvakasimba, mapuranga emapuranga akasununguka, uye kuvhara kwakapfekedzwa, izvo zvichaita kuti kuparara uye kupfupika-kutenderera kwemoto windings, uye kupisa motokari.Zvizhinji zvezvikanganiso izvi zvinoitika pamagumo ekutungamirira.Chikonzero chikuru ndechokuti tambo yetambo haina kuumbwa zvakanaka, mutsara wekupedzisira hauna kukwana, uye pane zvishoma zvishoma zvindori zvinosungirirana, uye coil uye mhete yekusungira haina kusungirirwa zvakasimba, uye nzira yekugadzirisa haina kunaka.Mapedhi anowanzodonha panguva yekushanda.Loose slot wedge idambudziko rakajairika mumamota akasiyana, rinonyanya kukonzerwa nekushata kwecoil chimiro uye kushata chimiro uye maitiro ecoil mune slot.Kutenderera kupfupi kusvika pasi kunoita kuti coil nesimbi core zvitsva. 3 Yakakwira voltage mota rotor kutadza Zvikanganiso zvakajairika zve high-voltage cage-type asynchronous motors ndezvi: ①Rotor squirrel keji yakasununguka, yakatsemuka uye yakasungwa;②Balance block uye zvigadziriso zvayo zvinokandwa kunze panguva yekushanda, izvo zvinokuvadza coil pamagumo e stator;③Rotor musimboti wakasununguka panguva yekushanda, uye deformation, Kusaenzana kunokonzeresa kutsvaira uye kudedera.Chinonyanya kukosha pane izvi idambudziko rekutsemuka kwembariro dzetsindi, rimwe rematambudziko agara aripo mumagetsi emagetsi. Muzvidyarwa zvemagetsi zvinopisa, keji yekutanga (inozivikanwawo sekeji yekunze) yeakakwira-voltage kaviri squirrel-cage induction motor's start cage (inozivikanwawo sekeji yekunze) inotyoka kana kutotyoka, nekudaro ichikuvadza iyo yakamira coil ye. mota, iyo ichiri mhosva yakajairika kusvika zvino.Kubva pamaitiro ekugadzira, tinoona kuti danho rekutanga rekuparara kana kutsemuka ndicho chiitiko chemoto pakutanga-up, uye kunyungudika kwehafu-yakavhurika rotor musimboti padivi reanoparadza kana kuputsika magumo anonyungudika uye zvishoma nezvishoma anowedzera, pakupedzisira. zvichitungamirira kukutsemuka kana kuparara.Bhawa yemhangura inokandwa kunze, ichikwenya iyo static iron core uye coil insulation (kana kutopwanya tambo diki), zvichikonzera kukuvadzwa kwakanyanya kune mota static coil uye zvichida kukonzera tsaona hombe.Muzvidyarwa zvemagetsi zvinopisa, mabhora esimbi nemarasha anoungana pamwechete kuti abudise nguva yakakura yakamira panguva yekudzima, uye pombi dzekudya dzinotanga pasi pekuremerwa nekuda kwekurembera kwemagonhi ekubuda, uye kunyandurwa dhizaini mafeni anotanga kumashure nekuda kwekurembesa baffles.Naizvozvo, mamotor aya anofanirwa kukunda torque yakakura yekupikisa kana achitanga. Kune matambudziko ezvimiro mukeji yekutanga yemba yepakati-saizi uye pamusoro yakakwira-voltage kaviri squirrel-cage induction motors.Kazhinji: ① iyo pfupi-yekupedzisira mhete inotsigirwa pane ese ekunze keji yemhangura mbariro, uye chinhambwe kubva kurotor core yakakura, uye denderedzwa remukati remhete yekugumira haisi concentric neiyo rotor core;② maburi ayo mhete yenguva pfupi-yekupedzisira inopfuura nepamazariro emhangura kazhinji akatwasuka-kuburikidza nemakomba ③Mukaha uri pakati perotor copper bar newaya slot kazhinji isingasviki 05mm, uye bhawa remhangura rinodedera zvakanyanya panguva yekushanda. ①Mabhawa emhangura akabatanidzwa nekusevha welding pane yekunze denderedzwa remhete yepfupi-yekupedzisira.Iyo mota yekuburitsa poda muFengzhen Power Plant ndeye yakakwira-voltage kaviri squirrel cage mota.Mazariro emhangura ekeji yekutanga anosungirirwa kune ekunze denderedzwa remhete pfupi-yekupedzisira.Hunhu hwekushongedza welding hwakashata, uye de-soldering kana kuputsika kunowanzoitika, zvichikonzera kukanganisa kune stator coil.②Chimiro chepfuti-yekupedzisira gomba: iyo gomba fomu yepfupi-yekupedzisira-yekupedzisira mhete yeimba yakakwira-voltage kaviri squirrel-cage mota parizvino inoshandiswa mumunda wekugadzira, kazhinji ine anotevera mafomu mana: yakatwasuka gomba mhando, semi. -vhura yakatwasuka gomba mhando, hove ziso gomba mhando, yakadzika sink gomba mhando mhando, kunyanya zvikuru kuburikidza-gomba mhando.Iyo nyowani yepfupi-yekupedzisira mhete yakatsiviwa panzvimbo yekugadzira kazhinji inotora mafomu maviri: hove-ziso buri mhando uye yakadzika sink gomba mhando.Kana kureba kwemhangura yemhangura kwakakodzera, nzvimbo yekuzadza solder haisi yakakura, uye sirivha solder haina kushandiswa zvakanyanya, uye hutano hwekutengesa hwakakwirira.Easy kuvimbisa.③ Welding, desoldering and breaking of copper bar and short-circuit ring: Makosi ekutadza kwede-soldering nekutsemuka kweyekutanga keji copper bar yakasangana mune ese anopfuura zana akakwira-voltage motors arikusangana ndiwo mapfupi-circuit. end ring.Maziso akatwasuka-kuburikidza nemaziso.Iyo conductor inopfuura neparutivi rwekunze rwemhete-pfupi, uye magumo emhangura emhangura akanyungudutswawo zvishoma, uye mhando yewelding kazhinji yakanaka.Iyo conductor yemhangura inopinda inenge hafu yemhete yekupedzisira.Nekuti tembiricha ye electrode uye solder yakanyanya kukwirira uye nguva yewelding yakarebesa, chikamu che solder chinoyerera kunze uye chinoungana kuburikidza nemukaha uri pakati pekunze kwemutyairi wemhangura uye gomba remhete yekupedzisira, uye mhangura yemhangura. conductor inotapukira.④Zviri nyore kuwana majoini ekutengesa emhando yewelding: Kune akakwira-voltage motors anowanzo kupenya panguva yekutanga kana kushanda, kazhinji kutaura, mabheji emhangura ekutanga anoparadzwa kana kutyoka, uye zviri nyore kuwana maconductor emhangura akaparara kana kuputswa. .Izvo zvakakosha kune yakakwira-voltage kaviri squirrel cage mota mune yekutanga uye yechipiri kugadziridza mushure mekuisirwa kutsva uye mukushanda kuti utarise zvizere maconductor emhangura yekutanga keji.Munguva yekugadzirazve soldering, kutarisisa kunofanirwa kubhadharwa kutsiva ese ekutanga cage conductors.Inofanirwa kuve yakachinjika-welded symmetrically, uye haifanirwe kunge yakasungwa munhevedzano kubva kune imwe nzira, kuitira kudzivirira kutsauka kweiyo pfupi-yedunhu kupera mhete.Uye zvakare, kana kugadzirisa welding kunoitwa pakati pechikamu chemukati chenguva pfupi-yekupedzisira mhete nemhangura yemhangura, nzvimbo yewelding inofanira kudzivirirwa kubva pakutenderera. 3.3 Kuongororwa kwekeji yakaputsika ye rotor ① Mazhinji emamotor emakina makuru anobatsira echigadzirwa chemagetsi akapwanya macage bars.Nekudaro, mazhinji emamotor ane makeji akatyoka ndeaya ane mutoro unorema kutanga, nguva yekutangisa nguva refu uye nguva zhinji kutanga, senge zvigayo zvemarasha uye zvinofuridza.2. Iyo mota yeiyo induced draft fan;2. Iyo ichangobva kuiswa mukushanda kwemotokari kazhinji haiputsi keji pakarepo, uye zvinotora mwedzi yakawanda kana makore kuti ishande iyo keji isati yaputsika;3. Parizvino, mabheji anowanzoshandiswa ane rectangular kana trapezoidal mu-cross-section.Deep-slot rotors uye denderedzwa kaviri-cage rotors vane mabheji akaputsika, uye mabheji akaputsika e-double-cage rotors anowanzogumira kune ekunze mabheji;④ Iyo yekubatanidza dhizaini yemota cage mabara uye mapfupi-edunhu mhete ane akaputsika makeji zvakare akasiyana., Motors yemugadziri uye akatevedzana dzimwe nguva akasiyana;kune zvivako zvakasimirirwa umo mhete yepfupi-pfupi inotsigirwa chete nekuguma kwebhari ye cage, uye kunewo zvivako umo mhete yepfupi-pfupi yakabatanidzwa zvakananga pahuremu hwe rotor core.Kune ma rotors ane mabheji akaputsika, kureba kwezvivharo zvecheji zvichibva kusimbi yesimbi kusvika kune pfupi-circuit ring (extension end) inosiyana.Kazhinji, kuguma kwekuwedzera kwekunze kwekeji mbariro dzekaviri-cage rotor inenge 50mm ~ 60mm kureba;Kureba kwekupedzisira kwekuwedzera kunenge 20mm ~ 30mm;⑤ Zvizhinji zvezvikamu apo cage bar fracture inoitika kunze kwekubatana pakati pekupedzisira kwekuwedzera uye pfupi pfupi (iyo cage bar welding end).Kare, mota yeFengzhen Power Plant payakagadziridzwa, mahafu maviri echeki bhaa yaishandiswa kupatsanura, asi nekuda kwehurombo hwemhando yekubatanidza, iyo splicing interface yakatsemuka mukuvhiya kwakatevera, uye kuputsika kwakaonekwa kubuda mugomba.Mamwe mazariro ekeji pakutanga ane hurema hwemunharaunda senge pores, maburi ejecha, uye matehwe, uye kuputsika kuchaitikawo mumakororo;⑥ Iko hakuna yakakosha deformation kana mazariro ekeji akaputswa, uye hapana mitsipa kana zvinhu zvepurasitiki zvabviswa, uye kuputsika kwakanyatso kuenderana.Tight, iko kuneta kutyoka.Kune zvakare yakawanda yewelding panzvimbo yewelding pakati pecage bar uye pfupi-circuit mhete, iyo ine hukama nemhando yewelding.Zvisinei, kufanana nechimiro chakaputsika chebhari, kunobva simba rekunze kwekukuvadza kwezviviri zvakafanana;⑦ Kune mota dzine matanga akatyoka, mazariro ari muThe rotor slots akasununguka, uye mazariro ekare akagadziridzwa uye akatsiviwa ane grooves akatariswa nechikamu chinobuda chesilicon simbi simbi yesimbi core groove wall, iyo. zvinoreva kuti mbariro dzekeji dzinofambiswa mumikoto;⑧ Mabheji akaputsika haasi Kwenguva yakareba, zvipembenene zvinogona kuonekwa kubva kune stator air outlet uye mhepo yemhepo ye stator uye rotor panguva yekutanga.Nguva yekutanga yemota ine akawanda akatyoka cage mabara zviri pachena kuti yakarebesa, uye kune ruzha rwakajeka.Kana kuputsika kwacho kwakaiswa mune imwe chikamu chedenderedzwa, kuzununguka kwemota kuchawedzerwa, dzimwe nguva kuchikonzera kukuvadzwa kwemota inotakura uye kutsvaira. Iwo maratidziro makuru ndeaya: mota inotakura kukuvadzwa, kumhanyisa kwemagetsi, simba switch yechikamu kurasikirwa, tambo inotungamira yekubatanidza kupisa uye kurasikirwa kwechikamu, inotonhorera mvura inodonha, mhepo inotonhorera yemhepo inopinza uye mhepo yekubuda yakavharwa nekuunganidzwa kweguruva uye zvimwe zvikonzero zvekutsva kwemota. Mushure mekuongororwa kwepamusoro kwezvikanganiso uye maitiro avo e-high-voltage motor, pamwe nekutsanangurwa kwematanho akatorwa panzvimbo yechiitiko, kushanda kwakachengeteka uye kwakagadzikana kwemotokari yepamusoro-soro yakave yakavimbiswa zvinobudirira, uye kuvimbika kwe. simba rekushandisa rakavandudzwa.Nekudaro, nekuda kwekushomeka kwekugadzira uye kugadzirisa maitiro, pamwe nekukanganisa kwekudonha kwemvura, kudonha kwemhepo, kunyorova, kutadza kushanda zvakanaka uye zvimwe zvinhu panguva yekushanda, zviitiko zvakasiyana-siyana zvekushanda zvisina kujairika uye kutadza kwakanyanya kuchaitika.Naizvozvo, nekusimbisa chete kudzora kwakasimba kwekuchengetedza mhando yeakakwira-voltage mota uye nekusimbisa-kutenderera-kutenderera manejimendi yemota, kuitira kuti mota isvike kune hutano hwekushanda mamiriro, inogona kuchengetedza, yakagadzikana uye ine hupfumi kushanda kweiyo mota. magetsi chirimwa simbiswe.
Nguva yekutumira: Jun-28-2022