Vimbela ukujikeleza okufushane kwesigaba ukuya kwesinye okubangelwa amaphethelo axegayo we-stator windings
I-stator winding kufanele iboshwe esikhaleni, futhi isivivinyo esingase sibe khona kufanele sihlangabezane nezidingo.
Hlola njalo ukuthi iziphetho zokuvunguza kwe-stator ziyacwila, azixegi noma zigugile.
Vimbela ukulimala kokuvala ama-stator
Qinisa ukuhlolwa kwezintambo zendandatho kanye nokufakwa kwentambo okuholayo okuguquguqukayo kwamajeneretha amakhulu, futhi njalo wenze izivivinyo ngokuhambisana nezidingo “Zemithetho Yokuhlolwa Kokuvikela Izisetshenziswa Zamandla” (DL/T 596-1996).
Hlola njalo ukucinana kwesikulufu se-stator core se-generator.Uma ukucinana kwesikulufu esiwumgogodla kutholwa njengokungahambisani nevelu yedizayini yefekthri, kufanele kubhekwane nakho kusenesikhathi.Hlola njalo ukuthi amashidi ensimbi ye-generator silicon apakishwe kahle, awukho umkhondo wokushisa ngokweqile, futhi i-dovetail groove ayinakho ukuqhekeka nokungahlangani.Uma ishidi lensimbi ye-silicon liphuma, kufanele kusetshenzwe ngalo ngesikhathi.
Vimbela ukujikeleza okufushane phakathi kokujika kokujika kwe-rotor.
Ukuhlolwa kwe-dynamic kanye ne-static inter-turn short-circuit kufanele kwenziwe ngokulandelana kweyunithi yokushefa okuphezulu ngesikhathi sokulungiswa, futhi idivayisi yokuqapha i-rotor inter-turn short-circuit online monitoring ingafakwa uma izimo zivuma, ukuze kutholwe. okungavamile ngokushesha ngangokunokwenzeka.
Gada ukudlidliza kanye nezinguquko zamandla asebenzayo wamajeneretha asebenza noma kunini.Uma ukudlidliza kuhambisana nezinguquko zamandla asebenzayo, i-rotor ye-generator ingaba ne-inter-turn short circuit enzima.Ngalesi sikhathi, i-rotor current ilawulwa kuqala.Uma ukudlidliza kwanda ngokuzumayo, i-generator kufanele imiswe ngokushesha.
Ukuvimbela ukulimala kokushisa kwendawo ku-generator
I-outlet yejeneretha kanye nengxenye yokuxhumana yephoyinti eliphakathi nendawo kufanele ithembeke.Ngesikhathi sokusebenza kweyunithi, isilinganiso sokushisa kwe-infrared imaging kufanele senziwe njalo kukhebula lesigaba sokuhlukanisa ukusuka ekusaseni kuya kudivayisi ye-excitation emile, ikhebula elisuka kudivayisi ye-static excitation liya eringini yokushelela kwe-rotor, kanye nendandatho yokushelela ye-rotor.
Njalo hlola ukuthintana phakathi kokuxhumana okuguquguqukayo nokumile kwebhuleki yommese webhuleki kagesi, futhi uthole ukuthi isiphethu sokucindezela sikhululekile noma umunwe owodwa othintana naye awuhambisani neminye iminwe yokuxhumana nezinye izinkinga kufanele kubhekwane nazo ngesikhathi.
Lapho ukufakwa kwe-generator kushisa i-alamu, isizathu kufanele sihlaziywe, futhi uma kunesidingo, umshini kufanele uvaliwe ukuze kuqedwe iphutha.
Lapho umshini omusha ufakwa ekukhiqizeni futhi umshini omdala ulungiswa kabusha, kufanele kuqashelwe ukuze kuhlolwe ukucindezelwa kwe-stator iron core kanye nokuthi umunwe wokucindezela kwezinyo uchemile yini, ikakhulukazi amazinyo kuzo zombili iziphetho.gijima.Ukuhlolwa kokulahlekelwa kwensimbi kufanele kwenziwe lapho kunikelwa noma lapho kunokungabaza mayelana nokwahlukanisa okuyisisekelo.
Enqubweni yokukhiqiza, ukuthutha, ukufakwa kanye nokugcinwa, ukunakekelwa kufanele kuthathwe ukuze kuvinjwe izinto ezincane zangaphandle ezifana ne-welding slag noma ama-chips ensimbi ekuweleni ezindaweni zokungenisa umoya ze-stator core.
Vimbela ukulimala komshini we-generator
Lapho usebenza emhubheni womoya we-generator, umuntu okhethekile kufanele abelwe ukugada umnyango we-generator.Umsebenzisi kufanele agqoke izingubo zokusebenza ezingenansimbi nezicathulo zokusebenza.Ngaphambi kokufaka ijeneretha, zonke izinto ezingavunyelwe kufanele zikhishwe, futhi izinto ezilethiwe kufanele zibalwe futhi zirekhodwe.Lapho umsebenzi usuqediwe futhi uhoxiswa, i-inventory ilungile ukuqinisekisa ukuthi akukho okusalayo.Iphuzu eliyinhloko ukuvimbela izinsalela zensimbi njengezikulufi, amantongomane, amathuluzi, njll. ukuthi zishiywe ngaphakathi kwe-stator.Ikakhulukazi, ukuhlolwa okuningiliziwe kufanele kwenziwe ngegebe phakathi kwamakhoyili wokugcina kanye nesimo phakathi kwama-involutes aphezulu naphansi.
Imishini yokuvikela eyinhloko neyisizayo kufanele ihlolwe njalo futhi ifakwe ekusebenzeni okujwayelekile.Lapho amamitha wokuqapha ukusebenza okubalulekile kanye namadivayisi weyunithi ehluleka noma esebenza ngokungalungile, kwenqatshelwe ngokuphelele ukuqala iyunithi.Uma iyunithi ingalawuleki ngesikhathi sokusebenza, kufanele imiswe.
Qinisa ukulungiswa kwemodi yokusebenza kweyunithi, bese uzama ukugwema indawo yokudlidliza ephezulu noma indawo ye-cavitation yokusebenza kweyunithi.
Vimbela ukuthwala ijeneretha ekushiseni amathayela
I-thrust bear ne-high-pressure oil jacking device kufanele iqinisekise ukuthi uma kwenzeka ukwehluleka kwedivayisi ye-high-pressure jacking device, i-thrust bear ayifakwa kudivayisi ye-high-pressure jacking yamafutha ukuze ime ngokuphepha ngaphandle kokulimala.Umshini wokuthungatha uwoyela onengcindezi ephezulu kufanele uhlolwe njalo ukuze kuqinisekiswe ukuthi usesimweni esijwayelekile sokusebenza.
Izinga likawoyela lamafutha okugcoba kufanele libe nomsebenzi wokuqapha okuzenzakalelayo okukude futhi lihlolwe njalo.Amafutha okugcoba kufanele ahlolwe njalo, futhi ukuwohloka kwekhwalithi kawoyela kufanele kubhekwane nakho ngokushesha ngangokunokwenzeka, futhi iyunithi akufanele iqalwe uma izinga likawoyela lingafaneleki.
Izinga lokushisa lamanzi okupholisa, izinga lokushisa likawoyela, ukuqapha izinga lokushisa lamathayela kanye namadivayisi okuvikela kufanele kube okunembile futhi okuthembekile, futhi ukunemba kokusebenza kufanele kuqiniswe.
Lapho izimo zokusebenza ezingavamile zeyunithi zingalimaza ukuthwala, kufanele kuhlolwe ngokugcwele ukuze kuqinisekiswe ukuthi isihlahla esithwalayo sisesimweni esihle ngaphambi kokuqala kabusha.
Hlola njalo i-bearing pad ukuze uqinisekise ukuthi azikho iziphambeko ezifana namagobolondo nokuqhekeka, futhi indawo engaphezulu yokuxhumana ye-bearing pad, ikhola ye-shaft nepuleti lesibuko kufanele kuhlangabezane nezidingo zokuklama.Kumaphedi aphethe i-Babbitt, ukuthintana phakathi kwe-alloy ne-pad kufanele kuhlolwe njalo, futhi ukuhlolwa okungabhubhisi kufanele kwenziwe uma kunesidingo.
Isekhethi yokuvikela yamanje ye-shaft kufanele ifakwe ekusebenzeni okujwayelekile, futhi i-alamu yamanje ye-shaft kufanele ihlolwe futhi kusetshenzwe ngayo ngesikhathi, futhi iyunithi ivinjelwe ukusebenza ngaphandle kokuvikelwa kwamanje kwe-shaft isikhathi eside.
Vimbela ukuxega kwezingxenye ze-hydro-generator
Izingxenye ezixhumayo zezingxenye ezijikelezayo zizovinjelwa ukuthi zingaxegi futhi kufanele zihlolwe njalo.I-fan ejikelezayo kufanele ifakwe ngokuqinile, futhi ama-blades kufanele angabi nemifantu kanye nokuguqulwa.Ipuleti elifaka umoya kufanele lifakwe ngokuqinile futhi ligcine ibanga elanele ukusuka kubha ye-stator.
I-Stator (kuhlanganise nohlaka), izingxenye ze-rotor, i-stator bar slot wedge, njll. kufanele ihlolwe njalo.Amabhawodi okulungisa, amabhawodi esisekelo se-stator, amabhawodi omgogodla we-stator namabhawodi okucindezela ohlaka lokuphehla ugesi kufanele aboshwe kahle.Akufanele kube nokuxega, ukuqhekeka, ukuguquguquka nezinye izenzakalo.
Emhubheni womoya we-hydro-generator, kuyadingeka ukugwema ukusetshenziswa kwezinto ezijwayele ukushisa ngaphansi kwenkundla ye-electromagnetic noma izinto zokuxhuma zensimbi ezingakhangiswa ngogesi.Uma kungenjalo, izinyathelo zokuvikela ezinokwethenjelwa kufanele zithathwe, futhi amandla kufanele ahlangabezane nezidingo zokusetshenziswa.
Hlola njalo uhlelo lokubhuleka lomshini we-hydro-generator.Amabhuleki nama-brake rings kufanele abe isicaba ngaphandle kokuqhekeka, amabhawodi okulungisa akufanele axege, izicathulo zamabhuleki kufanele zishintshwe ngesikhathi ngemva kokugqoka, futhi amabhuleki kanye nezinhlelo zabo zokuhambisa umoya kanye nezinhlelo zikawoyela kufanele zingabi nazikhonkwane zezinwele., umgodi wentambo, ukuvuza komoya nokuvuza kukawoyela nokunye ukonakala okuthinta ukusebenza kwamabhuleki.Inani lokusetha isivinini sesifunda se-brake kufanele lihlolwe njalo, futhi kwenqatshelwe ngokuphelele ukusebenzisa i-mechanical brake ngesivinini esikhulu.
Ngezikhathi ezithile hlola idivayisi yokuvumelanisa ukuze uvimbele i-hydro-generator ukuthi ingaxhunywa kugridi ngokuhambisanayo.
Ukuvikelwa kumaphutha omhlaba osonga i-rotor we-generator
Lapho i-rotor winding ye-generator isekelwe endaweni eyodwa, iphuzu lephutha kanye nemvelo kufanele kubonakale ngokushesha.Uma isisekelo sensimbi esizinzile, kufanele simiswe ngokushesha.
Vimbela amajeneretha ukuthi angaxhunywa kugridi ngendlela efanayo
Idivaysi ezenzakalelayo yokuvumelanisa i-quasi-synchronization yekhompyutha kufanele ifakwe ngokuhlolwa kokuvumelanisa okuzimele.
Kumayunithi asanda kufakwa ekukhiqizeni, amasekhethi alungisiwe kanye nokuvumelanisa (okubandakanya isekethe ye-voltage AC, isekethe yokulawula i-DC, imitha enezinyathelo ezigcwele, idivayisi yokuvumelanisa okuzenzakalelayo ye-quasi-synchronizing kanye nesibambo sokuvumelanisa, njll.) ashintshiwe noma amathuluzi ayo ashintshiwe, umsebenzi olandelayo kufanele wenziwe ngaphambi kokuxhuma kugridi okokuqala : 1) Yenza ukuhlola okuphelele nokunemininingwane nokudluliswa kwedivayisi kanye nesekethe ehambisanayo;2) Sebenzisa isethi ye-generator-transformer ene-no-load busbar boost test ukuze uhlole ukunemba kwesekethe yesibili ye-synchronous voltage, futhi uhlole lonke ithebula lesinyathelo.I-3) Yenza ukuhlolwa okungamanga kokuvumelanisa kweyunithi, futhi ukuhlolwa kufanele kufake ukuvumelanisa kwe-quasi-manuwali kanye nokuhlola okuzenzakalelayo kwe-quasi-synchronization yokuvala i-circuit breaker, ukuvinjelwa okuhambisanayo nokunye.
Vimbela ukulimala kwejeneretha okubangelwa ukwehluleka kwesistimu ye-excitation
Sebenzisa ngokuqinile umkhawulo we-dispatch-excitation ephansi kanye nezimfuneko zokusethwa kwe-PSS zamajeneretha, futhi uziqinisekise phakathi nokulungisa kabusha.
Umkhawulo wokuvusa amadlingozi kanye nezilungiselelo zokuvikela ukuchichima ngokweqile kwesilawuli se-excitation esizenzakalelayo kufanele sibe ngaphakathi kwamanani avumelekile anikezwe umenzi, futhi kufanele ahlolwe njalo.
Uma ishaneli ezenzakalelayo yesilawuli sokuvusa ihluleka, isiteshi kufanele sishintshwe futhi sisetshenziswe ngesikhathi.Akuvunyelwe ngokuphelele ukuthi i-generator isebenze isikhathi eside ngaphansi kokulawulwa kwe-excitation manual.Ngesikhathi sokusebenza kwe-manual excitation regulation, lapho ulungisa umthwalo osebenzayo we-generator, umthwalo osebenzayo we-generator kufanele ulungiswe kahle ukuvimbela i-generator ekulahlekelweni ukuzinza kwayo okumile.
Uma ukuchezuka kwe-voltage yokunikezwa kwamandla kungu-+10%~-15% futhi ukuchezuka kwefrikhwensi kungu-+4%~-6%, uhlelo lokulawula i-excitation, amaswishi nezinye izinhlelo zokusebenza zingasebenza ngokujwayelekile.
Enqubweni yokuqala, ukumisa kanye nezinye izivivinyo zeyunithi, izinyathelo zokunqamula i-generator excitation ngesivinini esiphansi seyunithi kufanele zithathwe.
Isikhathi sokuthumela: Mar-01-2022
