Thintela isiphaluka esifutshane sesigaba ukuya kwisigaba esibangelwa ziziphelo ezikhululekileyo ze-stator windings
I-stator winding kufuneka igxininiswe kwi-slot, kunye novavanyo olunokuthi lube khona kufuneka luhlangabezane neemfuno.
Jonga rhoqo ukuba iziphelo ze-stator ziyatshona, zikhululekile okanye zigugile.
Ukuthintela umonakalo wokugquma kwe-stator
Ukuqinisa ukuhlolwa kwe-ring ring kunye ne-transition lead insulation ye-generator enkulu, kwaye rhoqo uqhube iimvavanyo ngokuhambelana neemfuno ze-"Protection Test Regulations for Power Equipment" (DL / T 596-1996).
Rhoqo jonga ukuqina kwestator core screw ye generator. Ukuba i-tightness ye-screw ye-core ifunyenwe ingahambelani nexabiso loyilo lwefektri, kufuneka lujongwe ngexesha. Khangela rhoqo ukuba i-generator silicon sheet sheets ifakwe kakuhle, akukho mkhondo ogqithiseleyo, kwaye i-dovetail groove ayinakho ukuqhekeka kunye nokukhupha. Ukuba i-silicon sheet sheet iphuma, kufuneka ihoywe ngexesha.
Thintela isiphaluka esifutshane phakathi kokujika kwe-rotor winding.
Uvavanyo oluguquguqukayo kunye ne-static inter-turn short-circuit kufuneka luqhutywe ngokulandelelanayo kwiyunithi yokucheba i-peak-shaving ngexesha lokugcinwa, kunye ne-rotor winding dynamic inter-turn short-turn-short-turn monitoring device inokufakwa ukuba iimeko zivuma, ukuze kubonwe izinto ezingaqhelekanga ngokukhawuleza.
Jonga ukungcangcazela kunye notshintsho lwamandla asebenzayo ejenereyitha esebenzayo nangaliphi na ixesha. Ukuba i-vibration ihamba kunye nokutshintsha kwamandla asebenzayo, i-rotor ye-generator ingaba ne-inter-turn short circuit. Ngeli xesha, i-rotor current ilawulwa kuqala. Ukuba i-vibration inyuka ngokukhawuleza, i-generator kufuneka imiswe ngokukhawuleza.
Ukuthintela umonakalo ogqithisiweyo wendawo kwi-generator
I-outlet ye-generator kunye nenxalenye yokudibanisa kwinqanaba elingathathi hlangothi kufuneka lithembeke. Ngethuba lokusebenza kweyunithi, umlinganiselo wokushisa we-infrared imaging kufuneka uqhutywe rhoqo kwi-cable-phase-phase cable ukusuka kwi-excitation ukuya kwi-static excitation device, ikhebula ukusuka kwisixhobo sokuvuselela i-static ukuya kwi-rotor slip ring, kunye ne-rotor slip ring.
Rhoqo ujonge umfowunelwa phakathi koqhagamshelwano oluguquguqukayo kunye noluzinzileyo lwebhuleki yombane yebhuleki, kwaye ufumanise ukuba intwasahlobo yoxinzelelo ikhululekile okanye umnwe omnye wonxibelelwano awuhambelani neminye iminwe yoqhagamshelwano kunye nezinye iingxaki kufuneka zijongwe ngexesha.
Xa i-insulation generator igqithisa i-alamu, isizathu kufuneka sihlalutye, kwaye ukuba kuyimfuneko, umatshini kufuneka uvaliwe ukuphelisa isiphene.
Xa umatshini omtsha ufakwa kwimveliso kwaye umatshini omdala uhlaziywa, kufuneka kuhlawulwe ingqalelo ukujonga ukunyanzeliswa kwentsimbi ye-stator kunye nokuba umnwe woxinzelelo lwezinyo unomkhethe, ngakumbi amazinyo kuzo zombini iziphelo. baleka. Uvavanyo lwelahleko yentsimbi kufuneka lwenziwe xa kunikezelwe okanye xa kukho ukuthandabuza malunga nokugquma okungundoqo.
Kwinkqubo yokuvelisa, ukuthutha, ukufakwa kunye nokugcinwa, kufuneka kuthathelwe ingqalelo ukukhusela izinto ezincinci zangaphandle ezifana ne-welding slag okanye i-chips zetsimbi ekuweleni kwiindawo zokungena umoya we-stator core.
Ukuthintela umonakalo womatshini wejenereyitha
Xa usebenza kwi-tunnel yomoya we-generator, umntu okhethekileyo kufuneka abelwe ukugada umnyango we-generator. Umsebenzisi kufuneka anxibe iimpahla zokusebenza ezingenazintsimbi kunye nezihlangu zokusebenza. Ngaphambi kokungena kwijenereyitha, zonke izinto ezingavumelekanga zifanele zikhutshelwe ngaphandle, yaye izinto eziziswayo zimele zibalwe zize zirekhodwe. Xa umsebenzi ugqityiwe kwaye urhoxisiwe, i-inventri ichanekile ukuqinisekisa ukuba akukho ntsalela. Inqaku eliphambili kukuthintela i-debris yensimbi efana ne-screws, amantongomane, izixhobo, njl njl ukuba ishiywe ngaphakathi kwe-stator. Ngokukodwa, uhlolo olucacileyo kufuneka lwenziwe kwi-gap phakathi kweekhoyili zokugqibela kunye nendawo phakathi kwe-involutes ephezulu nangaphantsi.
Izixhobo eziphambili kunye nezincedisi zokukhusela izixhobo kufuneka zihlolwe rhoqo kwaye zifakwe ekusebenzeni okuqhelekileyo. Xa iimitha zokuhlola umsebenzi obalulekileyo kunye nezixhobo zeyunithi zingaphumeleli okanye zisebenze ngokungalunganga, kunqatshelwe ngokungqongqo ukuqala iyunithi. Xa iyunithi ingalawulwa ngexesha lokusebenza, kufuneka imiswe.
Yomeleza uhlengahlengiso lwendlela yokusebenza yeyunithi, kwaye uzame ukunqanda indawo yokungcangcazela ephezulu okanye indawo ye-cavitation yokusebenza kweyunithi.
Thintela ukuthwala ijenereyitha ekutshiseni iithayile
I-thrust bearing kunye ne-high-high-pressure oil jacking device kufuneka iqinisekise ukuba xa kwenzeka ukungaphumeleli kwesixhobo se-oyile ye-high-pressure, i-thrust bearing ayifakwanga kwi-high-pressure oil jacking device ukuyeka ngokukhuselekileyo ngaphandle komonakalo. Isixhobo esine-high-pressure oil jacking kufuneka sihlolwe rhoqo ukuze siqinisekise ukuba sikwimeko eqhelekileyo yokusebenza.
Inqanaba leoli ye-oyile yokuthambisa kufuneka ibe nomsebenzi wokujonga okuzenzekelayo kwaye ujongwe rhoqo. Ioli yokuthambisa kufuneka ihlolwe rhoqo, kwaye ukuwohloka komgangatho weoli kufuneka kujongwe ngokukhawuleza, kwaye iyunithi akufanele iqaliswe ukuba umgangatho weoli awufanelekanga.
Ukushisa kwamanzi okupholisa, ukushisa kweoli, ukubeka iliso kwi-tile kunye nezixhobo zokukhusela kufuneka zichaneke kwaye zithembeke, kwaye ukuchaneka komsebenzi kufuneka kuqiniswe.
Xa iimeko zokusebenza ezingaqhelekanga zeyunithi zingonakalisa ukuthwala, kufuneka zihlolwe ngokupheleleyo ukuze kuqinisekiswe ukuba i-bearing bush isesimweni esihle ngaphambi kokuba iqalise kwakhona.
Hlola rhoqo i-bearing pad ukuqinisekisa ukuba akukho ziphene ezifana ne-shelling kunye nokuqhekeka, kunye nokugqitywa kwendawo yokudibanisa i-bearing pad surface, i-collar shaft kunye ne-mirror plate kufuneka ihlangabezane neemfuno zoyilo. Kwi-Babbitt bearing pads, ukudibanisa phakathi kwe-alloy kunye ne-pad kufuneka kuhlolwe rhoqo, kwaye uvavanyo olungonakalisi kufuneka luqhutywe xa kuyimfuneko.
Isiphaluka sokukhusela i-shaft yangoku kufuneka sifakwe ekusebenzeni okuqhelekileyo, kwaye i-alarm yangoku ye-shaft kufuneka ihlolwe kwaye ijongwe ngexesha, kwaye iyunithi ayivunyelwe ukuba isebenze ngaphandle kokukhuselwa kwangoku kwe-shaft ixesha elide.
Thintela ukukhululeka kwamacandelo e-hydro-generator
Amacandelo adibanisayo ajikelezayo aya kuthintelwa ukuba akhululwe kwaye aya kuhlolwa rhoqo. I-fan ejikelezayo kufuneka ifakwe ngokuqinileyo, kwaye ama-blades kufuneka angabikho kwiintanda kunye nokuguqulwa. Ipleyiti yokufaka umoya kufuneka ifakwe ngokuqinileyo kwaye igcine umgama owaneleyo ukusuka kwi-stator bar.
I-Stator (kubandakanywa isakhelo), iinxalenye ze-rotor, i-stator bar slot wedge, njl. Kufuneka ihlolwe rhoqo. Iibholithi zokulungisa, iibholiti zesiseko sestator, iibholithi ezingundoqo zestator kunye neebholiti zoxinzelelo lwesakhelo sokwenza umbane weinjini yomoya kufuneka zibotshelelwe kakuhle. Kufuneka kungabikho ukukhululeka, iintanda, ukuguqulwa kunye nezinye iziganeko.
Kwitonela yomoya ye-hydro-jenereyitha, kuyafuneka ukuba ugweme ukusetyenziswa kwezinto ezithanda ubushushu phantsi kwentsimi ye-electromagnetic okanye izinto zokuqhagamshela isinyithi ezinokubhengezwa nge-electromagnetic. Ngaphandle koko, amanyathelo okukhusela athembekileyo kufuneka athathwe, kwaye amandla kufuneka ahlangabezane neemfuno zokusetyenziswa.
Rhoqo jonga inkqubo ye-braking yomatshini we-hydro-generator. Iziqhoboshi kunye namakhonkco e-brake kufuneka zibe flat ngaphandle kokuqhekeka, iibholiti zokulungisa akufanele zikhululeke, izicathulo ze-brake kufuneka zitshintshwe ngexesha emva kokuba zigqitywe, kwaye iibhuleki kunye neenkqubo zabo zokuhambisa umoya kunye neoyile kufuneka zingabikho kwi-hairpins. , intambo yomtya, ukuvuza komoya kunye nokuvuza kweoli kunye nezinye iziphene ezichaphazela ukusebenza kwe-braking. Ixabiso lokumisa isantya sesiphaluka se-brake kufuneka lihlolwe rhoqo, kwaye linqatshelwe ngokungqongqo ukusebenzisa i-mechanical brake ngesantya esiphezulu.
Ngamaxesha athile khangela isixhobo songqamaniso ukuthintela i-hydro-generator ekubeni iqhagamshelwe kwigridi nge-asynchronously.
Ukukhuselwa kwiimpazamo zomhlaba ojikelezayo we-rotor
Xa i-rotor winding ye-generator isekelwe kwinqanaba elinye, indawo ephosakeleyo kunye nendalo kufuneka ichongwe ngokukhawuleza. Ukuba isiseko sesinyithi esizinzile, kufuneka simiswe ngokukhawuleza.
Thintela iijenereyitha ekubeni ziqhagamshelwe kwigridi ngokungahambelaniyo
Isixhobo solungelelwaniso oluzenzekelayo lwekhompyutha kufuneka lufakwe ngohlolo oluzimeleyo longqamaniso.
Kwiiyunithi ezisanda kufakwa kwimveliso, eziguquliweyo kunye neesekethe ezilungelelanisiweyo (kubandakanya isekethe ye-AC yombane, isekethe yolawulo yeDC, inyathelo elipheleleyo lemitha, isixhobo esizenzekelayo esilungelelanisiweyo kunye nesibambo songqamaniso, njl.njl.) ezitshintshiweyo okanye izixhobo ezitshintshwe indawo yazo, lo msebenzi ulandelayo kufuneka wenziwe phambi kokuba uqhagamshele kwigridi okokuqala ngqa: 1) Ukuhanjiswa kunye nokuhanjiswa kwesixhobo isekethe ye-synchronous; 2) Sebenzisa i-generator-transformer set with no-load busbar boost test ukujonga ukuchaneka kwe-synchronous voltage secondary circuit, kwaye ukhangele yonke itafile yesinyathelo. I-3) Yenza uvavanyo lwe-synchronous lobuxoki lweyunithi, kwaye uvavanyo kufuneka lubandakanye i-manual quasi-synchronization kunye novavanyo lokuvala oluzenzekelayo lwe-quasi-synchronization ye-breaker circuit, i-synchronous blocking njalo njalo.
Thintela umonakalo wejenereyitha obangelwa kukusilela kwenkqubo yokuvuselela
Gqibezela ngokungqongqo umda we-dispatch low-excitation limit kunye neemfuno zokumisela i-PSS yeejenereyitha, kwaye uziqinisekise ngexesha lolungiso.
Umda wokuvuselela okugqithisileyo kunye noseto lokukhusela olugqithisekileyo lwesilawuli sovuselelo oluzenzekelayo kufuneka lube phakathi kwamaxabiso avumelekileyo anikwe ngumenzi, kwaye kufuneka ajongwe rhoqo.
Xa umjelo ozenzekelayo we-excitation regulator ungaphumeleli, umjelo kufuneka utshintshwe kwaye uqalise ukusebenza ngexesha. Kunqatshelwe ngokungqongqo ukuba i-generator isebenze ixesha elide phantsi kolawulo lwe-manual excitation. Ngethuba lokusebenza komgaqo wokuvuselela i-manual, xa ulungelelanisa umthwalo osebenzayo we-generator, umthwalo osebenzayo we-generator kufuneka ulungelelaniswe ngokufanelekileyo ukukhusela i-generator ekulahlekelweni ukuzinza kwayo.
Xa ukuphambukiswa kombane wonikezelo lwamandla + 10% ~ -15% kunye nokuphambuka rhoqo + 4% ~ -6%, inkqubo yokulawula ukuvuselela, utshintsho kunye nezinye iinkqubo zokusebenza zinokusebenza ngokuqhelekileyo.
Kwinkqubo yokuqala, ukuyeka kunye nezinye iimvavanyo zeyunithi, imilinganiselo yokunqumla i-excitation ye-generator kwisantya esiphantsi seyunithi kufuneka ithathwe.
Ixesha lokuposa: Mar-01-2022
