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 kutsogolera kwa ma jenereta akuluakulu, ndikuyesa mayeso pafupipafupi malinga 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 ikuwoneka kuti sikukugwirizana ndi mtengo wapangidwe kafakitale, iyenera kuthetsedwa munthawi yake.Yang'anani nthawi zonse kuti mapepala a zitsulo za jenereta a silicon ayikidwa bwino, palibe kuwonjezereka kwa kutentha, ndipo poyambira pa dovetail alibe kusweka ndi kusokoneza.Ngati pepala lachitsulo la silicon likutuluka, liyenera kuthetsedwa munthawi yake.
Pewani kuzungulira kwafupipafupi pakati pa kuzungulira kwa ma rotator.
Mayeso amphamvu komanso osasunthika apakati-kutembenuka kwafupipafupi amayenera kuchitidwa motsatana pakumeta nsonga panthawi yokonza, ndipo chowongolera chowongolera chowongolera chapaintaneti chikhoza kukhazikitsidwa ngati zinthu zilola, kuti zizindikire. 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.Panthawiyi, mphamvu ya rotor imayendetsedwa poyamba.Ngati kugwedezeka kukuwonjezeka mwadzidzidzi, jenereta iyenera kuyimitsidwa nthawi yomweyo.
Pofuna kupewa kuwonongeka kwa kutentha kwa m'deralo 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 kukhudzana kwa magetsi ananyema mpeni ananyema, ndi kupeza kuti psinjika kasupe ndi lotayirira kapena kukhudzana chala limodzi si kufanana ndi zala kukhudzana ndi mavuto ena ayenera kulimbana ndi nthawi.
Pamene kusungunula jenereta kutenthetsa alamu, chifukwa chake chiyenera kufufuzidwa, ndipo ngati kuli kofunikira, makinawo azitsekedwa kuti athetse vutolo.
Makina atsopano akamapangidwa ndipo makina akale asinthidwa, chidwi chiyenera kulipidwa kuti muwone kupanikizika kwachitsulo chachitsulo cha stator komanso ngati chala chachitsulo 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 kwamakina 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, ndikuyesera kupewa kugwedezeka kwakukulu kapena gawo la cavitation la unit unit.
Pewani kunyamula kwa jenereta kuti musawotche matailosi
Kuthamangitsidwa kokhala ndi chipangizo chapamwamba cha mafuta othamanga kwambiri kuyenera kuwonetsetsa kuti ngati chipangizo chapamwamba cha mafuta chikulephereka, chiwongoladzanja sichimayikidwa mu chipangizo chapamwamba cha mafuta kuti chiyime bwinobwino 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 kuyenera kuchitidwa mwamsanga, ndipo chipangizocho sichiyenera kuyambitsidwa ngati khalidwe la mafuta siliyenera.
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 chitsamba chonyamula chili bwino chisanayambe.
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.Pa mapepala okhala ndi Babbitt, kulumikizana pakati pa alloy ndi pad kuyenera kuyang'aniridwa pafupipafupi, ndipo kuyezetsa kosawononga kuyenera kuchitika ngati kuli kofunikira.
Dongosolo lodzitchinjiriza lachitetezo chapano liyenera kuyikidwa mu ntchito yabwinobwino, ndipo ma alarm apano a shaft ayenera kuyang'aniridwa ndikuthana nawo munthawi yake, ndipo gawolo sililoledwa kuyenda popanda chitetezo cha shaft kwa nthawi yayitali.
Pewani kumasulidwa kwa zigawo za hydro-jenereta
Magawo olumikizana a magawo ozungulira ayenera kutetezedwa kuti asamasulidwe ndipo aziyang'aniridwa pafupipafupi.Chophimba chozungulira chiyenera kukhazikitsidwa mwamphamvu, ndipo masambawo azikhala opanda ming'alu ndi mapindikidwe.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 zimakonda kutentha pansi pamunda wamagetsi kapena zida zolumikizira zitsulo zomwe zimatha kudyedwa ndi electromagnetic.Apo ayi, njira zotetezera zodalirika ziyenera kuchitidwa, ndipo mphamvu iyenera kukwaniritsa zofunikira zogwiritsira ntchito.
Nthawi zonse fufuzani makina braking dongosolo la hydro-jenereta.Mabuleki ndi mphete zophwanyidwa ziyenera kukhala zopanda ming'alu popanda ming'alu, ma bolts okonzekera sayenera kumasuka, nsapato za brake ziyenera kusinthidwa pakapita nthawi zitatha, ndipo mabuleki ndi kayendedwe kawo ka 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 ndikoletsedwa 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 quasi-synchronization cha pakompyuta chikuyenera kukhazikitsidwa ndikuwunika kolumikizana kodziyimira pawokha.
Kwa mayunitsi omwe angokhazikitsidwa kumene pakupanga, kuwongolera ndi kulumikiza mabwalo (kuphatikiza ma voltage AC, control DC, mita yokwanira, chipangizo cholumikizira quasi-synchronizing ndi cholumikizira, ndi zina) zomwe zasinthidwa kapena zida zake zasinthidwa, ntchito zotsatirazi ziyenera kuchitidwa musanalumikizidwe ndi gululi kwa nthawi yoyamba : 1) Chitani cheke chokwanira komanso chatsatanetsatane komanso kutumiza kwa chipangizocho ndi dera lolumikizana;2) Gwiritsani ntchito jenereta-transformer yomwe ili ndi mayeso owonjezera osanyamula mabasi kuti muwone kulondola kwa gawo lachiwiri la synchronous voltage, ndikuwona tebulo lonselo.3) Chitani zoyeserera zabodza za chipangizocho, ndipo mayesowo akuyenera kuphatikiza ma quasi-synchronization ndi mayeso otseka ophatikizika a quasi-synchronization of the circuit breaker, synchronous blocking ndi zina zotero.
Pewani kuwonongeka kwa jenereta chifukwa cha kulephera kwa dongosolo lachisangalalo
Tsatirani mosamalitsa malire ochezeka a dispatch center ndi zofunikira zokhazikitsira majenereta a PSS, ndikuwatsimikizira pakukonzanso.
Malire a chiwopsezo chambiri komanso zokonda zoteteza kutukusira kwa chowongolera chokokera chodziwikiratu ziyenera kukhala mkati mwazovomerezeka zoperekedwa ndi wopanga, ndipo ziyenera kuyang'aniridwa pafupipafupi.
Pamene njira yodziwikiratu ya chowongolera chosangalatsa ikalephera, tchanelo liyenera kusinthidwa ndikuyikidwa mu nthawi yake.Ndizoletsedwa kuti jenereta igwire ntchito kwa nthawi yayitali pansi pa lamulo lachisangalalo lamanja.Panthawi yogwiritsira ntchito ndondomeko yotsitsimula yamanja, pamene mukukonzekera 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%, ndi chikoka kulamulira 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
