Xa ithelekiswa nejenereyitha yeturbine yomphunga, ijenereyitha yehydro ineempawu ezilandelayo:
(1) Isantya siphantsi. Sinqunyelwe yintloko yamanzi, isantya sokujikeleza ngokubanzi singaphantsi kwe-750r / min, kwaye ezinye zijikeleze amashumi ambalwa ngomzuzu.
(2) Inani leepali zemagnethi likhulu. Ngenxa yokuba isantya siphantsi, ukuze kuveliswe amandla ombane angama-50Hz, kuyimfuneko ukwandisa inani leepali zemagnethi, ukuze intsimi yemagnethi yokusika i-stator winding isakwazi ukutshintsha amaxesha angama-50 ngomzuzwana.
(3) Isakhiwo sikhulu ngobukhulu nangobunzima. Kwelinye icala, isantya siphantsi; Kwelinye icala, xa iyunithi ingasamkeli umthwalo, ukuze kuthintelwe ukuqhekeka kombhobho wentsimbi okubangelwa yihamile yamanzi enamandla, ixesha lokuvala elingxamisekileyo le-guide vane kufuneka libe lide, kodwa oku kuya kubangela ukuba iyunithi inyuke ngesantya kakhulu. Ke ngoko, i-rotor kufuneka ibe nobunzima obukhulu kunye ne-inertia.
(4) I-axis ethe nkqo isetyenziswa ngokubanzi. Ukuze kuncitshiswe ukuhlalwa komhlaba kunye neendleko zezityalo, iijenereyitha zamanzi ezinkulu neziphakathi zihlala zisebenzisa i-vertical shaft.
Iijenereyitha ze-hydro zinokwahlulwa zibe ziintlobo ezithe nkqo nezithe tye ngokwendlela eyahlukileyo yokulungiselela imiphini yazo ejikelezayo: iijenereyitha ze-hydro ezithe nkqo zinokwahlulwa zibe ziintlobo ezixhonyiweyo nezinesambulela ngokweendawo ezahlukeneyo zeebheringi zazo zokutyhala.
(1) I-Hydrogenerator eXhotyisiweyo. I-thrust bearing ifakelwe embindini okanye kwinxalenye ephezulu yesakhelo esingaphezulu se-rotor, esebenza ngokuzinzileyo kunye nokugcinwa okulula, kodwa ukuphakama kukhulu kwaye utyalo-mali lwesityalo lukhulu.
(2) Ijenereyitha ye-Umbrella hydro. I-thrust bearing ifakelwe kumzimba osembindini okanye kwinxalenye ephezulu yesakhelo esisezantsi se-rotor. Ngokubanzi, iijenereyitha ezinkulu ze-hydro ezinesantya esiphakathi nesiphantsi kufuneka zisebenzise uhlobo lwe-ambrela ngenxa yobukhulu bazo obukhulu besakhiwo, ukuze zinciphise ukuphakama kweyunithi, zonge intsimbi kwaye zinciphise utyalo-mali lwezityalo. Kwiminyaka yakutshanje, ulwakhiwo lokufaka i-thrust bearing kwisigqubuthelo esiphezulu se-turbine yamanzi luye lwaphuhliswa, kwaye ukuphakama kweyunithi kunokuncipha.
2. Izinto eziphambili
Ijenereyitha ye-hydro yenziwe kakhulu yi-stator, i-rotor, i-thrust bearing, ii-guide bearing eziphezulu nezisezantsi, iifreyimu eziphezulu nezisezantsi, isixhobo sokungenisa umoya nokupholisa, isixhobo sokuqhobosha kunye nesixhobo sokuvusa umoya.
(1) I-Stator. Yinto esetyenziselwa ukuvelisa amandla ombane, equka ukujija, umbindi wentsimbi kunye neqokobhe. Ngenxa yokuba ububanzi be-stator beejenereyitha ezinkulu neziphakathi bukhulu kakhulu, ngokubanzi yenziwe ngamacandelo okuthutha.
(2) I-Rotor. Yinxalenye ejikelezayo evelisa intsimi yemagnethi, eyenziwe ngenkxaso, iringi yevili kunye nepali yemagnethi. Iringi yevili yinxalenye emile okweringi eyenziwe yipleyiti yesinyithi efana nefeni. Iipali zemagnethi zisasazwa ngaphandle kweringi yevili, kwaye iringi yevili isetyenziswa njengendlela yentsimi yemagnethi. Umsonto omnye werotor enkulu nephakathi uhlanganiswa kwindawo, uze emva koko ufudunyezwe kwaye ufakwe kwi-shaft ephambili yejenereyitha. Kwiminyaka yakutshanje, isakhiwo esingena-shaft yerotor siye saphuhliswa, oko kukuthi, inkxaso yerotor inamathele ngokuthe ngqo kwisiphelo esiphezulu se-shaft ephambili yeturbine. Inzuzo enkulu yale sakhiwo kukuba inokusombulula iingxaki zomgangatho we-castings ezinkulu kunye ne-forgings ezibangelwa yiyunithi enkulu; Ukongeza, inokunciphisa ubunzima bokuphakamisa irotor kunye nokuphakama kokuphakamisa, ukuze kuncitshiswe ukuphakama kwesityalo kwaye kuzise uqoqosho oluthile kulwakhiwo lwesityalo samandla.
(3) I-Thrust bearing. Yinxalenye ethwala ubunzima obupheleleyo benxalenye ejikelezayo yeyunithi kunye ne-axial hydraulic thrust ye-turbine.
(4) Inkqubo yokupholisa. IHydrogenerator idla ngokusebenzisa umoya njengendawo yokupholisa ukupholisa i-stator, i-rotor winding kunye ne-stator core. Iijenereyitha ezincinci zamanzi zihlala zisebenzisa umoya ovulekileyo okanye ohamba ngepayipi, ngelixa iijenereyitha ezinkulu neziphakathi zamanzi zihlala zisebenzisa umoya ojikelezayo ovaliweyo. Ukuze kuphuculwe amandla okupholisa, ezinye ii-hydro generator windings eziphezulu zisebenzisa indlela yokupholisa yangaphakathi ye-hollow conductor edlula ngqo kwi-cooling medium, kwaye i-cooling medium isebenzisa amanzi okanye i-medium entsha. Ii-stator kunye ne-rotor windings zipholiswa ngaphakathi ngamanzi, kwaye i-cooling medium ngamanzi okanye i-medium entsha. Ii-stator kunye ne-rotor windings ezisebenzisa ukupholisa kwangaphakathi kwamanzi zibizwa ngokuba yi-double water internal cooling. Ii-stator kunye ne-rotor windings kunye ne-stator core ezisebenzisa ukupholisa kwangaphakathi kwamanzi zibizwa ngokuba yi-full water internal cooling, kodwa ii-stator kunye ne-rotor windings ezisebenzisa ukupholisa kwangaphakathi kwamanzi zibizwa ngokuba yi-semi water internal cooling.
Enye indlela yokupholisa ye-hydro generator kukupholisa ngokuphuma kolwelo, oludibanisa i-liquid medium kwi-conductor ye-hydro generator ukuze kuphole ngokuphuma kolwelo. Ukupholisa ngokuphuma kolwelo kuneenzuzo zokuba i-thermal conductivity ye-cooling medium inkulu kakhulu kuneyomoya namanzi, kwaye inokunciphisa ubunzima kunye nobukhulu beyunithi.
(5) Isixhobo sokuvuthela kunye nophuhliso lwaso ngokusisiseko ziyafana nezo zeeyunithi zamandla obushushu.
Ixesha lokuthumela: Septemba-01-2021
