UPhando ngokuPhuculwa kunye noPhuculo lweTekhnoloji yokuLungiswa kweNkqubo yoMgodi weAsynchronous Motor

  Ngenxa yomsebenzi onzima wemveliso yomgodi wamalahle, uninzi lwezixhobo zisebenza ngokuqhubekayo kunye nomthwalo ophezulu, kwaye indawo engqongileyo ifumile kwaye ilukhuni, echaphazela kakhulu ubomi benkonzo yemoto. Ukuthatha i-Dadougou Coal Industry njengomzekelo, umgodi uphuhliswe ixesha elide, kwaye izixhobo zayo zombane ziphelelwe yisikhathi. Rhoqo ngonyaka, malunga neeseti ezingama-240 zeenjini ezivuthayo zeentlobo ezahlukeneyo kufuneka zigcinwe. Ukutshintsha i-motor akuchaphazeli nje kuphela imveliso eqhelekileyo yomgodi, kodwa kukwenza ingozi efihliweyo yokusebenza ngokukhuselekileyo, kwaye kubangela inkcitho yezinto eziphathekayo kunye nezincedisi, okwandisa iindleko zemveliso yamalahle kunye nokwandisa ukuqina kwabasebenzi. 

abasebenzi besondlo. Kuyimfuneko ukuphucula inkqubo yokugcinwa kweemoto ukuphucula ukusebenza kunye nobomi bemoto.

1. Uhlalutyo lokutsha kweemoto

  a) Unobangela othe ngqo

  Ngokusekwe kuhlalutyo lwezizathu zokungaphumeleli kweemoto ezibangelwa ziindidi ezahlukeneyo zokutshisa ilahleko kwindawo, kugqitywa ukuba kukho izizathu ezibini ezithe ngqo zokutshisa ilahleko yeemotor asynchronous: enye kukuba i-motor igcwele kakhulu okanye inyanzeliswa ukuba ibaleke, nto leyo ebangela ukuba ilahleko yemoto iphele. kukhokelela ekugqithiseni kwemoto, okukhokelela ekuthotyweni kwe-insulation kunye nokuphuka; Okwesibini, indawo ephantsi komhlaba yomgodi wamalahle ifumile, kwaye kukho iigesi eziyingozi ezitshabalalisayo zemichiza, ezikhukulisa ukugquma kwenjini, okukhokelela ekonakaleni kobushushu kunye nokuqhekeka.

  b) Isizathu esisisiseko

  Esona sizathu sisisiseko sokutshiswa kwemoto kukuba inqanaba lokumelana nobushushu kunye nomda wobushushu bokusebenza bezinto zokugquma iimoto ziphantsi, ezingenako ukuhlangabezana neemfuno zendawo yokusebenza kwindawo. Xa i-current ejikelezayo kwi-motor winding idlula ixesha elide elivumelekileyo langoku, ubushushu obuveliswayo buya kudlula ixabiso elivumelekileyo, ukukhawulezisa ukuguga kwe-insulation, ukunciphisa ubomi bemoto okanye ukonakalisa ngokukhawuleza i-motor, ngaloo ndlela kubangele ukuvutha kwemoto. Indawo ebuthathaka kakhulu yokumelana nokushisa kwi-motor yi-insulating material, ehambelana ngqo nobomi benkonzo yemoto. Izinto ezikhuselayo zisengozini yokuguga ngokukhawuleza kunye nomonakalo ngenxa yempembelelo yokushisa okuphezulu. Ke ngoko, ukuxhathisa ubushushu bezinto zokufakelwa kwemoto kudlala indima ebalulekileyo ekuphuculeni ukuthembeka kunye nobomi bemoto. Ngaphambili, i-motor eyalungiswa yi-Dadougou Coal Industry yalungiswa ngokomgangatho wokuqala woyilo lwemoto. I-insulation ye-motor eyaye yachithwa kwaye inxeba ekuqaleni ayizange iphuculwe, ibangele ukugquma okuphantsi kwe-motor emva kokulungiswa. Isidanga sokugquma siya kuphuculwa ukuze yenze imoto ihlangabezane neemfuno zendawo yokusebenza ephantsi komhlaba. Umgangatho wokumelana nobushushu kunye nokunciphisa ubushushu bokusebenza bezinto zeflange ziya kuphuculwa ukuze kwandiswe ukumelana nokufuma kunye nokumelana nokugqwala kwe-winging, ukuphucula amandla e-insulation kunye namandla omatshini, ukuphucula i-thermal conductivity kunye nefuthe lokutshatyalaliswa kobushushu, ukulibazisa ukuguga kunye nokwandisa ubushushu. ubomi benkonzo yemoto.

  2. Ukuphucula kunye nokuphuculwa kwenkqubo yokugquma

  a) Izimvo zokuphucula

  Ibakala lokugquma lemoto libhekisa kwibakala lokumelana nobushushu bezinto ezisetyenziswayo zokugquma. Ukuze kuthintelwe amandla ashushu awenziwe ngumbane ngokutshisa i-insulation layer, i-motor insulation grade ibekwe njengeBanga A, E, B, F kunye no-H, njengoko kuboniswe kwiThebhile 1. Iklasi B kunye no-F ukumelana nobushushu bukhulu kakhulu. amabakala okugquma okuqhelekileyo kweenjini zemigodi. Ukuphucula umgangatho wokugquma kweenjini kunokuphucula ukusebenza kunye nokwandisa ubomi benkonzo yeemoto. Ke ngoko, kuyafuneka ukuba uphucule ngokupheleleyo inkqubo yokugcinwa kweemoto ngokuphucula inqanaba lokumelana nobushushu bezinto ezikhuselayo ezisetyenziselwa imotor. Ngokukodwa, ukusebenza kukonke kwemoto kunokuphuculwa ngokuphucula ukugquma phakathi kweengqimba kunye nezigaba zemoto, ukuphucula inqanaba lokumelana nobushushu bezinto ezikhuselayo ezifana ne-slot wedges kunye ne-enamelled wire bushings, kunye nokuphucula ipeyinti enganyangekiyo ubushushu.

b) Uyilo lweProjekthi

  Ukuphucula ukugquma phakathi kweengqimba zemoto kwaye utshintshe imodeli yocingo olunamelled. Ngaphambili, i-QZ-2 / 130L i-polyacrylate yocingo lwe-copper enamelled yayisetyenziswa, kunye neqondo lokumelana nokushisa kwe-B kunye nobushushu obuvumelekileyo be-130 ℃, obunokuhlangabezana kuphela nomgangatho okhoyo womgangatho we-motor. Ngoku iphuculwe kwi-QZY-2/180 i-polyacrylate imide ucingo olunamelled, olunomlinganiselo wokumelana nobushushu be-H kunye nobushushu obuvumelekileyo be-180 ℃. Ukuzinza kweqondo lokushisa kunye nokugquma kuphuculwe ngamanqanaba amabini, kwaye ukuxhathisa ukushisa, ukutshatyalaliswa kobushushu kunye nokuchasana kweekhemikhali zemoto nazo ziphuculwe ngaxeshanye.

  c) Phucula i-interphase insulation ye-motor kwaye utshintshe imathiriyeli yokugquma. Ngaphambili, izinto zokugquma kwimoto zazenziwe ngephepha leqokobhe eliluhlaza, elalikwinqanaba E lokumelana nobushushu kwaye ubushushu obuphezulu obuvumelekileyo yi-120 ℃. Yatshintshwa ibe yi-poly (vinyl acetate) ifilimu ye-poly (vinyl acetate) i-fiber paper composite foil (i-DMD ngokufutshane), eyayiyiklasi ye-F yokumelana nobushushu kunye neqondo lokushisa eliphezulu elivumelekileyo laliyi-155 ℃ ukuphucula ukugquma phakathi kweengqimba kunye nezigaba.

d) Umgangatho wokumelana nobushushu we-motor slot wedge kufuneka uphuculwe, kwaye i-slot wedge mayibe yenziwe ngezinto ezimelana nobushushu. Ngaphambili, i-stator core slot wedge yemoto yayisebenzisa ibhodi ye-bamboo emelana nobushushu, elula ukuyikhabhoniza emva kokuba ubushushu bemoto bunyukile, nto leyo ebangela ukubola okanye ukuqhekeka kwe-insulation. Iphuculwe ukusebenzisa ibhodi ye-epoxy emelana nobushushu obuphezulu efana ne -FR4 sheet kunye ne -3240 epoxy sheet grade A, class F emelana nobushushu. Ibhodi ye-epoxy yenziwe ngelaphu le-glass fiber kunye ne-epoxy resin, eshushu kwaye icinezelwe. Ineempawu ezilungileyo zoomatshini kunye neempawu zombane ezizinzileyo phantsi kobushushu obuphezulu. Ifanelekile kwiindawo zesakhiwo ezimelana nobushushu obuphezulu ezisetyenziswa koomatshini, izixhobo zombane kunye ne-elektroniki. Ineempawu eziphezulu zoomatshini kunye ne-dielectric, emelana nobushushu obuhle kunye nokumelana nokufuma.

  e) Ukuphucula umgangatho wokumelana nobushushu besixhobo socingo olunamelled. Ngaphambili, i-enamelled wire casing ye-motor yenziwe ngepayipi yepeyinti yeglasi ye-PVC, enomgangatho wokumelana nokushisa kwe-A, ukugquma okuphantsi kodwa akukho ukumelana nobushushu obuphezulu. Umbhobho we-silicon ophezulu we-voltage, onenqanaba lokumelana nokushisa kwe-F, uphuculwe. Umbhobho we-alkali weglasi ophothiweyo we-alkali wawugqunywe ngentlaka ye-PVC, kwaye i-casing efakwe kwi-insulated, eyayibunjwe ngokufudumeza, inamandla afanelekileyo omatshini, ukuguquguquka okugqwesileyo, ipropathi efanelekileyo ye-dielectric kunye nokumelana neekhemikhali.

  f) Phucula ukomelela kukonke kokugquma kwenjini. Imeko yokutshatyalaliswa kobushushu be-winding inokuphuculwa ngonyango olulungileyo lwe-impregnation insulation, ukwenzela ukuba ukunyuka kweqondo lokushisa kwemoto kusondele kwinqanaba lokumelana nokushisa. Ngelo xesha, ukukhethwa kwepeyinti yezinga eliphezulu kunokuphucula ukuthembeka kokumelana nokushisa kwemoto kunye nokwandisa ubomi benkonzo. Ngaphambili, emva kokujikela phantsi, ngasemva 10? 2 Ipeyinti ye-melamine alkyd insulating ifakwe kwipeyinti yonyango lokugquma. Ikwibakala B lokumelana nobushushu. Ivumba lepeyinti alinyamezeleki xa lifakwe kwipeyinti. I-solvent eguquguqukayo ingcolisa kakhulu imeko-bume yomoya, kwaye ubungakanani bepeyinti ejingayo awanelanga, nto leyo ebangela ukuba i-gap ye-insulation ingaditshwa, ibangele izithuba, amaqamza, kunye nokugquma okubuthathaka, okushiya iingozi ezifihlakeleyo zokutsha kweemoto. Ukuphuculwa kokusetyenziswa kwepeyinti ye-epoxy epoxy, iklasi ye-F yokumelana nobushushu, enombane, i-mechanical kunye nokumelana nokufuma, uluhlu lwenkqubo yesicelo lubanzi, kwaye lunokuqonda ngokulula ukomisa okuphantsi kobushushu.

3. Ifuthe leSicelo seNdawo

  Emva kokuphucula kunye nokuphuculwa kwenkqubo yokulungisa iimoto, inani leenjini ezitshisiweyo emgodini liye lancitshiswa kakhulu emva kokuhlolwa konyaka omnye, kwaye kuphela iimoto ezintsha ezingama-53 zongezwa unyaka wonke. Xa kuthelekiswa neyokuqala, izinga lokungaphumeleli kwemoto liyancipha kakhulu, umgangatho wokugcinwa uphuculwe kakhulu, iindleko ezininzi zabasebenzi kunye nezinto eziphathekayo zigcinwa, kwaye ixesha elisebenzayo lokuvelisa umgodi lonyuka ngeentsuku ezi-4.

4. Isiphelo

  a) Isitshixo sokuphucula umgangatho wokugcinwa kweemoto kukuphucula inqanaba lokugquma kweenjini ezindala. Ngokuphucula ukugquma phakathi kweengqimba kunye nezigaba zemoto, inqanaba lokumelana nobushushu be-slot wedge, i-enamelled wire bushing, ipeyinti yokugquma kunye nezinye izinto ziyaphuculwa, kwaye amandla okugquma kwemoto aphuculwe, ukuze kuphuculwe ukusebenza kwayo yonke. injini elungisiweyo inokuphuculwa.

  b) Emva kokwenziwa ngcono kunye nokuphuculwa kwenkqubo yokulungisa iimoto, ubungakanani bokugcinwa kweenjini eDadougou Coal Industry Co., Ltd. buncitshisiwe ukusuka kuma-240 ukuya kuma-53, iindleko zokuzilungisa zacuthwa kakhulu, kwaye ubunzulu bomsebenzi wabasebenzi bolondolozo bancitshiswa kakhulu. . Emva kokuba i-1042 entsha yokugquma ipeyinti yokufunxa kunye nenkqubo yokomisa yamkelwe, umjikelo wokugcinwa kweemoto ufinyeziwe, ohambelana nokusingqongileyo kunye nokugcina amandla. Ngexesha elifanayo, ixesha elisebenzayo lokuvelisa umgodi liyancipha ngeentsuku ezi-4 ngenxa yokungaphumeleli kwemoto

  c) Emva kokuphucula kunye nokuphuculwa kwenkqubo yokulungisa iimoto, iDadougou Coal Industry Co., Ltd. igcine iindleko kwaye yandise ingeniso nge-yuan ye-4032140 iyonke ngobuchule obutsha, kwaye izuze izibonelelo ezilungileyo zobugcisa kunye nezoqoqosho, ezinokuthi zisetyenziswe. ngokubhekisele kwimigodi yohlobo olufanayo.