Pewani kufupika kwa gawo kuchokera ku gawo kupita ku gawo chifukwa cha malekezero otayirira a stator windings
Chozungulira cha stator chiyenera kumangiriridwa mu malo olowera, ndipo mayeso oyesera malo ayenera kukwaniritsa zofunikira.
Onetsetsani nthawi zonse ngati malekezero a stator akumira, akumasuka kapena akutha.
Pewani kuwonongeka kwa kutchinjiriza kwa stator
Limbikitsani kuwunika kwa waya wozungulira ndi kutchinjiriza kwa lead yosinthira ya majenereta akuluakulu, ndipo nthawi zonse zichitani mayeso mogwirizana ndi zofunikira za "Malamulo Oyesera Chitetezo cha Zipangizo Zamagetsi" (DL/T 596-1996).
Yang'anani nthawi zonse kulimba kwa sikulu ya stator core ya jenereta. Ngati kulimba kwa sikulu ya core kwapezeka kuti sikukugwirizana ndi kapangidwe ka fakitale, kuyenera kuthetsedwa pakapita nthawi. Yang'anani nthawi zonse kuti mapepala achitsulo a silicon a jenereta ayikidwa bwino, palibe chizindikiro chotentha kwambiri, ndipo mchira wa dovetail ulibe ming'alu kapena kusweka. Ngati pepala lachitsulo la silicon litatuluka, liyenera kuthetsedwa pakapita nthawi.
Pewani kusinthasintha kwafupipafupi pakati pa kuzungulira kwa rotor.
Mayeso afupiafupi a dynamic ndi static inter-turn ayenera kuchitika motsatana pa chipangizo chometa cha peak-shave panthawi yokonza, ndipo chipangizo chowunikira cha dynamic inter-turn short-circuit online chingathe kukhazikitsidwa ngati zinthu zilola, kuti tizindikire zolakwika mwachangu momwe tingathere.
Yang'anirani kusintha kwa mphamvu yamagetsi ndi mphamvu yamagetsi yomwe ikugwira ntchito nthawi iliyonse. Ngati kugwedezekako kukugwirizana ndi kusintha kwa mphamvu yamagetsi, rotor ya jenereta ikhoza kukhala ndi circuit yochepa kwambiri pakati pa ma turn. Panthawiyi, mphamvu yamagetsi ya rotor imayang'aniridwa poyamba. Ngati kugwedezekako kukuwonjezeka mwadzidzidzi, jenereta iyenera kuyimitsidwa nthawi yomweyo.
Kupewa kuwonongeka kwa jenereta chifukwa cha kutentha kwambiri m'deralo
Chotulutsira jenereta ndi gawo lolumikizira la neutral point lead ziyenera kukhala zodalirika. Pakugwira ntchito kwa chipangizochi, kuyeza kutentha kwa infrared imaging kuyenera kuchitika nthawi zonse pa chingwe chogawanika kuchokera ku excitation kupita ku chipangizo chosakanikirana, chingwe kuchokera ku chipangizo chosakanikirana kupita ku rotor slip ring, ndi rotor slip ring.
Yang'anani nthawi zonse kukhudzana pakati pa kulumikizana kwa mphamvu ndi kosasinthasintha kwa brake ya mpeni wamagetsi, ndipo mupeze kuti kasupe wopondereza ndi womasuka kapena chala chimodzi cholumikizirana sichikugwirizana ndi zala zina zolumikizirana ndipo mavuto ena ayenera kuthetsedwa pakapita nthawi.
Pamene chotenthetsera cha jenereta chitentha kwambiri, chifukwa chake chiyenera kufufuzidwa, ndipo ngati kuli kofunikira, makinawo ayenera kuzimitsidwa kuti athetse vutolo.
Makina atsopano akayamba kupangidwa ndipo makina akale akakonzedwanso, chisamaliro chiyenera kuperekedwa kuti chiwone ngati stator iron core ikukanikizana komanso ngati chala cha dzino chili ndi mbali yake, makamaka mano onse awiri. Kuyesa kutaya chitsulo kuyenera kuchitika popereka kapena ngati pali kukayikira za insulation ya core.
Pakupanga, kunyamula, kukhazikitsa ndi kukonza, chisamaliro chiyenera kutengedwa kuti zinthu zazing'ono zakunja monga welding slag kapena metal chips zisagwere m'malo opumira mpweya a stator core.
Pewani kuwonongeka kwa makina a jenereta
Pogwira ntchito mu ngalande ya mphepo ya jenereta, munthu wapadera ayenera kusankhidwa kuti ateteze pakhomo la jenereta. Wogwiritsa ntchitoyo ayenera kuvala zovala zogwirira ntchito zopanda zitsulo komanso nsapato zogwirira ntchito. Asanalowe mu jenereta, zinthu zonse zoletsedwa ziyenera kuchotsedwa, ndipo zinthu zomwe zabweretsedwa ziyenera kuwerengedwa ndikulembedwa. Ntchito ikamalizidwa ndikuchotsedwa, zinthu zomwe zili m'sitolo zimakhala zolondola kuti zitsimikizire kuti palibe zotsala. Chofunika kwambiri ndikuletsa zinyalala zachitsulo monga zomangira, mtedza, zida, ndi zina zotero kuti zisasiyidwe mkati mwa stator. Makamaka, kuwunika mwatsatanetsatane kuyenera kuchitika pa mpata pakati pa ma coil omaliza ndi malo pakati pa involute zapamwamba ndi zapansi.
Zipangizo zotetezera zida zazikulu ndi zothandizira ziyenera kufufuzidwa nthawi zonse ndikuyikidwa mu ntchito yanthawi zonse. Ngati zoyezera zofunika pa ntchito ndi zida za chipangizocho zalephera kapena sizikugwira ntchito bwino, ndikoletsedwa kuyambitsa chipangizocho. Chipangizocho chikapanda kulamulira panthawi yogwira ntchito, chiyenera kuyimitsidwa.
Limbikitsani kusintha kwa momwe chipangizocho chimagwirira ntchito, ndipo yesetsani kupewa malo ogwedezeka kwambiri kapena malo otsekeka a chipangizocho.
Pewani matailosi a jenereta kuti asapse
Chida chopondereza mafuta chomwe chili ndi chipangizo chopondereza mafuta champhamvu chiyenera kuonetsetsa kuti ngati chipangizo chopondereza mafuta champhamvu chalephera, chida chopondereza mafuta sichiyikidwa mu chipangizo chopondereza mafuta champhamvu kuti chiyime bwino popanda kuwonongeka. Chipangizo chopondereza mafuta champhamvu chiyenera kuyang'aniridwa nthawi zonse kuti chitsimikizire kuti chikugwira ntchito bwino.
Mafuta opaka mafuta ayenera kukhala ndi ntchito yowunikira yokha patali ndipo ayenera kufufuzidwa nthawi zonse. Mafuta opaka mafuta ayenera kuyesedwa nthawi zonse, ndipo kuwonongeka kwa mafuta kuyenera kuthetsedwa mwachangu, ndipo chipangizocho sichiyenera kuyatsidwa ngati mafutawo sali oyenerera.
Kutentha kwa madzi ozizira, kutentha kwa mafuta, kuyang'anira kutentha kwa matailosi ndi zipangizo zotetezera ziyenera kukhala zolondola komanso zodalirika, ndipo kulondola kwa ntchito kuyenera kukulitsidwa.
Ngati zinthu zosazolowereka pa chipangizocho zitha kuwononga bearing, ziyenera kufufuzidwa bwino kuti zitsimikizire kuti bearing bush ili bwino musanayambitsenso.
Yang'anani nthawi zonse bearing pad kuti mutsimikizire kuti palibe zolakwika monga kuphulika ndi ming'alu, ndipo kutha kwa pamwamba pa bearing pad contact surface, shaft collar ndi galasi plate ziyenera kukwaniritsa zofunikira pa kapangidwe kake. Pa bearing pads za Babbitt, kukhudzana pakati pa alloy ndi bearing pad kuyenera kuyang'aniridwa nthawi zonse, ndipo kuyesa kosawononga kuyenera kuchitika ngati pakufunika.
Dongosolo loteteza ma bearing shaft current liyenera kugwiritsidwa ntchito mwachizolowezi, ndipo alamu ya ma shaft current iyenera kuyang'aniridwa ndikuthandizidwa pakapita nthawi, ndipo chipangizocho sichingagwire ntchito popanda chitetezo cha ma shaft current kwa nthawi yayitali.
Pewani kumasuka kwa zigawo za hydro-generator
Zigawo zolumikizira za zigawo zozungulira ziyenera kutetezedwa kuti zisamasulidwe ndipo ziyenera kuyang'aniridwa nthawi zonse. Fani yozungulira iyenera kuyikidwa mwamphamvu, ndipo masamba ake ayenera kukhala opanda ming'alu ndi kusokonekera. Mbale yopumira mpweya iyenera kuyikidwa mwamphamvu ndikusunga mtunda wokwanira kuchokera ku stator bar.
Stator (kuphatikizapo chimango), ziwalo za rotor, wedge ya stator bar slot, ndi zina zotero ziyenera kuyang'aniridwa nthawi zonse. Mabolt okonzera, ma bolt a stator foundation, ma bolt a stator core ndi ma bolt okakamiza a chimango cha turbine generator ayenera kumangidwa bwino. Sipayenera kukhala kumasuka, ming'alu, kusintha ndi zina zotero.
Mu ngalande ya mphepo ya jenereta ya hydro, ndikofunikira kupewa kugwiritsa ntchito zinthu zomwe zimatenthedwa mosavuta pansi pa mphamvu yamagetsi kapena zinthu zolumikizira zitsulo zomwe zimatha kunyowa ndi maginito. Kupanda kutero, njira zodalirika zodzitetezera ziyenera kutengedwa, ndipo mphamvu ziyenera kukwaniritsa zofunikira zogwiritsira ntchito.
Yang'anani nthawi zonse makina oyendetsera mabuleki a hydro-generator. Mabuleki ndi mphete za mabuleki ziyenera kukhala zosalala popanda ming'alu, mabotolo omangira sayenera kumasuka, nsapato za mabuleki ziyenera kusinthidwa pakapita nthawi zitatha kugwiritsidwa ntchito, ndipo mabuleki ndi makina awo operekera mpweya ndi mafuta ayenera kukhala opanda ma hairpins. , zingwe zolumikizira, kutuluka kwa mpweya ndi kutayikira kwa mafuta ndi zolakwika zina zomwe zimakhudza magwiridwe antchito a mabuleki. Mtengo wokhazikitsa liwiro la brake circuit uyenera kuyang'aniridwa nthawi zonse, ndipo ndikoletsedwa kugwiritsa ntchito mabuleki a makina pa liwiro lalikulu.
Nthawi ndi nthawi onani chipangizo cholumikizira kuti jenereta ya hydro isalumikizidwe ndi gridi mosasinthasintha.
Chitetezo ku zolakwika za pansi pa jenereta yozungulira rotor
Pamene chozungulira cha jenereta chakhazikika pamalo ena, malo olakwika ndi mtundu wake ziyenera kuzindikirika nthawi yomweyo. Ngati ndi maziko achitsulo okhazikika, ziyenera kuyimitsidwa nthawi yomweyo.
Letsani majenereta kuti asalumikizidwe ndi gridi mosasinthasintha
Chipangizo cholumikizira chokha cha kompyuta chiyenera kuyikidwa ndi kuyang'anira kulumikizana payokha.
Pa mayunitsi atsopano omwe apangidwa, okonzedwanso komanso ogwirizanitsa ma circuits (kuphatikiza magetsi a AC circuit, magetsi a DC circuit, mita yonse, chipangizo cholumikizira chokha ndi chogwirizira cholumikizira, ndi zina zotero) zomwe zasinthidwa kapena zomwe zida zake zasinthidwa, ntchito yotsatirayi iyenera kuchitika musanalumikize ku gridi koyamba: 1) Chitani cheke chokwanira komanso chatsatanetsatane cha chipangizocho ndi magetsi olumikizirana; 2) Gwiritsani ntchito jenereta-transformer set yokhala ndi mayeso owonjezera a busbar kuti muwone ngati magetsi olumikizirana ndi magetsi ndi olondola, ndikuwona tebulo lonse la sitepe. 3) Chitani mayeso abodza a synchronization a chipangizocho, ndipo mayesowo ayenera kuphatikizapo mayeso olumikizirana ndi magetsi ndi mayeso otsekana a quasi-synchronization a circuit breaker, kuletsa kwa synchronous ndi zina zotero.
Pewani kuwonongeka kwa jenereta komwe kumachitika chifukwa cha kulephera kwa dongosolo loyambitsa zinthu
Gwiritsani ntchito mosamala malire otsika a dispatch center ndi zofunikira pa PSS pa majenereta, ndipo zitsimikizireni panthawi yokonzanso.
Malire ochulukitsa kukweza ndi makonda oteteza kukweza kukweza kwa makina owongolera kukweza okha ayenera kukhala mkati mwa zomwe wopanga amapereka, ndipo ayenera kuyang'aniridwa nthawi zonse.
Pamene njira yodziyimira yokha ya chowongolera kusonkhezera yalephera, njirayo iyenera kusinthidwa ndikugwiritsidwa ntchito pakapita nthawi. Ndikoletsedwa kwambiri kuti jenereta igwire ntchito kwa nthawi yayitali motsatira malamulo osonkhezera kusonkhezera ndi manja. Pa nthawi yogwira ntchito ya malamulo osonkhezera kusonkhezera ndi manja, pokonza katundu wogwira ntchito wa jenereta, katundu woyankha wa jenereta uyenera kusinthidwa bwino kuti jenereta isataye kukhazikika kwake kosasinthasintha.
Pamene kusiyana kwa magetsi amagetsi kuli +10%~-15% ndipo kusiyana kwa ma frequency kuli +4%~-6%, makina owongolera kusonkhezera, ma switch ndi machitidwe ena ogwiritsira ntchito amatha kugwira ntchito bwino.
Poyambitsa, kuyimitsa ndi kuyesa kwina kwa chipangizocho, njira zochepetsera kusonkhezera kwa jenereta pa liwiro lotsika la chipangizocho ziyenera kutengedwa.
Nthawi yotumizira: Mar-01-2022
