Pewani magawo ang'onoang'ono obwera chifukwa cha malekezero a stator windings
Mapiritsi a stator ayenera kumangirizidwa mu kagawo, ndipo kuyesa komwe kungatheke kuyenera kukwaniritsa zofunikira.
Yang'anani nthawi zonse ngati malekezero a stator akumira, omasuka kapena otha.
Pewani kuwonongeka kwa insulation ya stator
Limbikitsani kuwunika kwa mawaya a mphete ndi kutsekereza kutsogolo kwa ma jenereta akuluakulu, ndikuyesa mayeso molingana ndi zofunikira za "Protection Test Regulations for Power Equipment" (DL/T 596-1996).
Yang'anani pafupipafupi kulimba kwa screw core stator ya jenereta. Ngati kulimba kwa screw screw ikupezeka kuti sikukugwirizana ndi mtengo wapangidwe kafakitale, iyenera kuthetsedwa munthawi yake. Yang'anani nthawi zonse kuti mapepala a zitsulo za jenereta a silicon aikidwa bwino, palibe kuwonjezereka kwa kutentha, ndipo poyambira pa dovetail alibe ming'alu ndi kusokoneza. Ngati pepala lachitsulo la silicon likutuluka, liyenera kuthetsedwa munthawi yake.
Pewani kuzungulira kwafupipafupi pakati pa kuzungulira kwa ma rotator.
Mayeso osinthika komanso osasunthika apakati-kutembenuka kwafupipafupi akuyenera kuchitidwa motsatana pakumeta nsonga panthawi yokonza, ndipo chowongolera chowongolera chowongolera chapaintaneti chikhoza kukhazikitsidwa ngati zinthu zilola, kuti azindikire zolakwika mwachangu momwe zingathere.
Yang'anirani kugwedezeka ndi kusintha kwamphamvu kwa ma jenereta omwe akugwira ntchito nthawi iliyonse. Ngati kugwedera limodzi ndi zotakasika kusintha mphamvu, jenereta rotor angakhale kwambiri inter-kutembenukira dera lalifupi. Panthawi imeneyi, mphamvu ya rotor imayendetsedwa poyamba. Ngati kugwedezeka kukuwonjezeka mwadzidzidzi, jenereta iyenera kuyimitsidwa nthawi yomweyo.
Kupewa kutenthedwa kwa m'deralo kuwonongeka kwa jenereta
Kutulutsa kwa jenereta ndi gawo lolumikizira gawo losalowerera ndale liyenera kukhala lodalirika. Pakugwira ntchito kwa chipangizochi, kuyeza kwa kutentha kwa infuraredi kuyenera kuchitika pafupipafupi kwa chingwe chogawanika kuchokera pachisangalalo kupita ku chipangizo chotsitsimula chokhazikika, chingwe chochokera ku chipangizo choyimitsa chokhazikika kupita ku mphete ya rotor, ndi mphete ya rotor.
Nthawi zonse fufuzani kukhudzana pakati zamphamvu ndi malo amodzi kulankhula za magetsi ananyema mpeni ananyema, ndi kupeza kuti psinjika kasupe ndi lotayirira kapena limodzi kukhudzana chala si kufanana ndi zala kukhudzana ndi mavuto ena ayenera kulimbana ndi nthawi.
Pamene kutsekemera kwa jenereta kumatenthetsa alamu, chifukwa chake chiyenera kufufuzidwa, ndipo ngati kuli kofunikira, makinawo ayenera kutsekedwa kuti athetse vutolo.
Makina atsopano akamapangidwa ndipo makina akale asinthidwa, chidwi chiyenera kulipidwa kuti muwone kupanikizika kwachitsulo chachitsulo cha stator komanso ngati chala chothamanga cha dzino chimakhala chokondera, makamaka mano kumbali zonse ziwiri. thamanga. Mayeso otayika chitsulo ayenera kuchitidwa popereka kapena ngati pali kukayikira za kusungunula kwapakati.
Popanga, kuyendetsa, kukhazikitsa ndi kukonza, kusamala kuyenera kuchitidwa kuti tipewe zinthu zazing'ono zakunja monga kuwotcherera slag kapena tchipisi tachitsulo kuti zisagwere mumipata ya mpweya wabwino wa stator pachimake.
Pewani kuwonongeka kwa makina a jenereta
Pogwira ntchito mumphepo ya jenereta, munthu wapadera ayenera kuyang'anira pakhomo la jenereta. Wogwiritsa ntchitoyo ayenera kuvala zovala zantchito zopanda zitsulo ndi nsapato zantchito. Musanalowe mu jenereta, zinthu zonse zoletsedwa ziyenera kutulutsidwa, ndipo zinthu zomwe zabweretsedwa ziyenera kuwerengedwa ndi kulembedwa. Ntchitoyo ikamalizidwa ndikuchotsedwa, zolembazo ndizolondola kuti zitsimikizire kuti palibe zotsalira. Mfundo yofunika kwambiri ndi kuteteza zinyalala zachitsulo monga zomangira, mtedza, zida, ndi zina kuti zisakhale mkati mwa stator. Makamaka, kuyang'anitsitsa mwatsatanetsatane kuyenera kuchitidwa pa kusiyana pakati pa mapeto a coils ndi malo pakati pa involutes apamwamba ndi apansi.
Zida zodzitchinjiriza zazikulu ndi zothandizira ziyenera kuyang'aniridwa pafupipafupi ndikuyika ntchito yabwinobwino. Pamene zofunika ntchito kuwunika mamita ndi zipangizo za unit akulephera kapena ntchito molakwika, ndi zoletsedwa kuyambitsa unit. Pamene unit ili kunja kwa ulamuliro panthawi yogwira ntchito, iyenera kuyimitsidwa.
Limbikitsani kusintha kwa magwiridwe antchito a unit, ndipo yesani kupewa kugwedezeka kwakukulu kapena gawo la cavitation la unit unit.
Pewani kunyamula ma jenereta kuti asawotche matailosi
Kuthamangitsidwa kokhala ndi chipangizo chothamanga kwambiri chamafuta kuyenera kuwonetsetsa kuti pakulephera kwa chipangizo chamafuta othamanga kwambiri, kukakamiza sikumayikidwa mu chipangizo chothamangitsa mafuta kuti chiyime bwino popanda kuwonongeka. Chipangizo chothamangitsa mafuta othamanga kwambiri chimayenera kuyang'aniridwa pafupipafupi kuti zitsimikizire kuti chikugwira ntchito bwino.
Mulingo wamafuta wamafuta opaka mafuta uyenera kukhala ndi ntchito yowunikira komanso kuyang'aniridwa pafupipafupi. Mafuta opaka mafuta amayenera kuyesedwa nthawi zonse, ndipo kuwonongeka kwa mafuta amafuta kuyenera kuthetsedwa posachedwa, ndipo gawolo siliyenera kuyambika ngati mtundu wamafuta suli woyenera.
Kutentha kwa madzi ozizira, kutentha kwa mafuta, kuyang'anira kutentha kwa matayala ndi zipangizo zotetezera ziyenera kukhala zolondola komanso zodalirika, ndipo kulondola kwa ntchito kuyenera kulimbikitsidwa.
Pamene zovuta zogwirira ntchito za unit zingawononge kubereka, ziyenera kufufuzidwa mokwanira kuti zitsimikizire kuti chitsambacho chili bwino musanayambe kuyambiranso.
Yang'anani nthawi zonse pa bearing pad kuti mutsimikizire kuti palibe zolakwika monga zipolopolo ndi ming'alu, ndipo mapeto a pamwamba pa bearing pad contact surface, shaft collar ndi galasi mbale ziyenera kukwaniritsa zofunikira za mapangidwe. Kwa mapepala okhala ndi Babbitt, kulumikizana pakati pa alloy ndi pad kuyenera kuyang'aniridwa pafupipafupi, ndipo kuyezetsa kosawononga kuyenera kuchitidwa ngati kuli kofunikira.
Dongosolo lachitetezo cha shaft pano liyenera kugwiritsidwa ntchito bwino, ndipo ma alarm apano a shaft ayenera kuyang'aniridwa ndikuwongolera munthawi yake, ndipo gawolo sililoledwa kuyenda popanda chitetezo cha shaft kwa nthawi yayitali.
Pewani kumasulidwa kwa zigawo za hydro-jenereta
Zigawo zolumikizana za magawo ozungulira ziyenera kutetezedwa kuti zisasunthike ndipo ziziyang'aniridwa pafupipafupi. Chophimba chozungulira chiyenera kukhazikitsidwa molimba, ndipo masambawo ayenera kukhala opanda ming'alu ndi kupunduka. Chophimba chopangira mpweya chiyenera kukhazikitsidwa molimba ndikusunga mtunda wokwanira kuchokera pa stator bar.
Stator (kuphatikiza chimango), magawo a rotor, stator bar slot wedge, ndi zina zotere ziyenera kuyang'aniridwa pafupipafupi. Maboti okonzera, mabawuti a stator maziko, mabawuti oyambira ma stator ndi ma bolt olimba a chimango cha jenereta ya turbine ayenera kumangidwa bwino. Pasakhale looseness, ming'alu, mapindikidwe ndi zochitika zina.
Mumphepo yamphepo ya hydro-jenereta, ndikofunikira kupewa kugwiritsa ntchito zinthu zomwe zimatha kutentha pansi pamunda wamagetsi kapena zida zolumikizira zitsulo zomwe zimatha kudyedwa ndi electromagnetic. Apo ayi, njira zodalirika zotetezera ziyenera kuchitidwa, ndipo mphamvu iyenera kukwaniritsa zofunikira zogwiritsira ntchito.
Nthawi zonse fufuzani makina braking dongosolo la hydro-jenereta. Mabuleki ndi mphete zophwanyidwa ziyenera kukhala zophwanyika popanda ming'alu, ma bolts okonzera sayenera kukhala omasuka, nsapato za brake ziyenera kusinthidwa pakapita nthawi zitatha, ndipo mabuleki ndi makina awo operekera mpweya ndi mafuta ayenera kukhala opanda tsitsi. , zingwe zingwe, kutayikira kwa mpweya ndi kutayikira kwa mafuta ndi zolakwika zina zomwe zimakhudza magwiridwe antchito a braking. Kuthamanga kwa liwiro la dera la brake kuyenera kuyang'aniridwa nthawi zonse, ndipo ndizoletsedwa kugwiritsa ntchito makina obowola pa liwiro lalikulu.
Nthawi ndi nthawi yang'anani chipangizo cholumikizira kuti muteteze jenereta ya hydro kulumikizidwa ndi gululi mosagwirizana.
Chitetezo ku zolakwika za jenereta za rotor
Pamene kupopera kwa rotor kwa jenereta kumakhazikitsidwa panthawi imodzi, vuto ndi chikhalidwe ziyenera kudziwika mwamsanga. Ngati ndi chitsulo chokhazikika, chiyenera kuyimitsidwa nthawi yomweyo.
Pewani majenereta kuti asalumikizidwe ndi gululi mosagwirizana
Chipangizo cholumikizira cha quasi-synchronization cha pakompyuta chikuyenera kukhazikitsidwa ndikuwunikiridwa kodziyimira pawokha.
Kwa mayunitsi omwe angopangidwa kumene, osinthidwa ndi kulumikiza mabwalo (kuphatikiza ma voliyumu a AC, dera lowongolera DC, mita yokhazikika, chipangizo cholumikizira cholumikizira ndi cholumikizira, ndi zina zambiri) zomwe zasinthidwa kapena zida zomwe zidasinthidwa, ntchito zotsatirazi ziyenera kuchitika musanalumikizane ndi gululi kwa nthawi yoyamba: synchronous dera; 2) Gwiritsani ntchito jenereta-transformer yomwe ili ndi mayeso okweza mabasi osanyamula katundu kuti muwone kulondola kwa gawo lachiwiri la synchronous voltage, ndikuwona tebulo lonse. 3) Chitani zoyeserera zabodza zofananira za unit, ndipo mayesowo akuyenera kuphatikiza ma quasi-synchronization ndi kuyesa kotsekera koyeserera kwa wophwanya dera, kutsekereza kolumikizana ndi zina zotero.
Pewani kuwonongeka kwa jenereta chifukwa cha kulephera kwa dongosolo lachisangalalo
Tsimikizirani mosamalitsa malire ochezeka a dispatch center ndi zofunikira za PSS pamajenereta, ndikuwatsimikizira pakukonzanso.
Malire a chiwopsezo chambiri komanso zokonda zachitetezo chachitetezo chodzidzimutsa ziyenera kukhala mkati mwazovomerezeka zoperekedwa ndi wopanga, ndipo ziyenera kuyang'aniridwa pafupipafupi.
Pamene njira yodziwikiratu ya chowongolera chosangalatsa ikalephera, tchanelocho chiyenera kusinthidwa ndikuyika ntchito munthawi yake. Ndizoletsedwa kuti jenereta igwire ntchito kwa nthawi yayitali pansi pa lamulo lachisangalalo lamanja. Panthawi yogwiritsira ntchito ndondomeko yotsitsimula yamanja, pokonza katundu wogwira ntchito wa jenereta, katundu wothamanga wa jenereta ayenera kusinthidwa bwino kuti ateteze jenereta kutaya kukhazikika kwake.
Pamene kupatuka voteji magetsi ndi + 10% ~ -15% ndi kupatuka pafupipafupi ndi + 4% ~ -6%, chitonthozo ulamuliro dongosolo, masiwichi ndi machitidwe ena opaleshoni akhoza kugwira ntchito bwinobwino.
Poyambira, kuyimitsa ndi mayeso ena a unit, njira zochepetsera chisangalalo cha jenereta pa liwiro lotsika la unit ziyenera kutengedwa.
Nthawi yotumiza: Mar-01-2022
