Isantya seeturbine zamanzi siphantsi kakhulu, ingakumbi iturbine yamanzi ethe nkqo. Ukuze kuveliswe i-50Hz AC, ijenereyitha yeturbine yamanzi isebenzisa isakhiwo seepali zemagnethi ezininzi. Kwijenereyitha yeturbine yamanzi ene-120 revolutions ngomzuzu, kufuneka iipali ezingama-25 zeepali zemagnethi. Ngenxa yokuba kunzima ukubona isakhiwo seepali zemagnethi ezininzi, le khosi yazisa imodeli yejenereyitha yeturbine yehydraulic eneepali ezili-12 zeepali zemagnethi.
Irotha yejenereyitha yamanzi isebenzisa isakhiwo sepali esibonakalayo. Umfanekiso 1 ubonisa ijoko lemagnethi kunye nepali yemagnethi yejenereyitha. Ipali yemagnethi ifakwe kwijoko lemagnethi, eliyindlela yomgca wentsimi yemagnethi yepali yemagnethi. Imodeli yejenereyitha ineepali zemagnethi ezingama-24 phakathi koMntla nomzantsi, kwaye ipali nganye yemagnethi ijikelezwe ngekhoyili yokunyusa. Amandla okunyusa anikezelwa yijenereyitha yokunyusa efakwe ekupheleni kweshaft ephambili okanye yinkqubo yokunyusa yangaphandle ye-thyristor (isangqa sokuqokelela sinikezela ngamandla kwikhoyili yokunyusa).
Ijoko lemagnethi lifakwe kwinkxaso yerotor, ishaft ephambili yejenereyitha ifakelwe embindini wenkxaso yerotor, kwaye ijenereyitha yokuvuselela okanye iringi yomqokeleli ifakelwe kwisiphelo esiphezulu seshaft ephambili.
Isiseko se-generator stator senziwe ngamashiti esinyithi e-silicon ane-magnetic conductivity elungileyo, kwaye iindawo ezininzi zisasazwa ngokulinganayo kwisangqa sangaphakathi sesiseko ukuze kufakwe i-stator coil.
Ikhoyili ye-stator ifakwe kwindawo ye-stator ukuze yenze ukujijeka kwezigaba ezintathu. Ukujijeka kwesigaba ngasinye kwenziwa ngeekhoyili ezininzi kwaye kuhlelwe ngokomthetho othile.
Ijenereyitha yamanzi ifakwe kwi-pier ye-turbine yokugalela ikhonkrithi, kwaye i-pier ye-turbine ifakwe nesiseko se-turbine. Isiseko se-turbine sisiseko sokufakelwa kwe-stator core kunye negobolondo lejenereyitha yamanzi. Isixhobo sokusasaza ubushushu sifakwa kwigobolondo lesiseko se-turbine ukunciphisa ubushushu bomoya opholileyo wejenereyitha; Isakhelo esisezantsi sikwafakwe kwi-pier. Isakhelo esisezantsi sixhotyiswe nge-thrust bearing, esetyenziselwa ukufaka i-rotor yejenereyitha. I-thrust bearing inokuthwala ubunzima, ukungcangcazela, impembelelo kunye neminye imikhosi ye-rotor.
Isiseko se-stator kunye ne-stator coil zifakwe kwisiseko. I-rotor ifakwe embindini we-stator kwaye inesithuba esincinci kwi-stator. I-rotor ixhaswa yi-thrust bearing yesakhelo esisezantsi kwaye ingajikeleza ngokukhululekileyo. Isakhelo esingaphezulu sifakiwe, kwaye i-guide bearing ifakwe embindini wesakhelo esingaphezulu ukuthintela i-shaft ephambili yejenereyitha ukuba ingashukumi kwaye igcinwe kwindawo ephakathi ngokuzinzileyo. Emva kokubeka umgangatho weqonga eliphezulu kunye nokufaka isixhobo sebrashi okanye i-excitation motor, kufakwa imodeli yejenereyitha yamanzi.
Amandla e-AC electromotive force amanqanaba amathathu emijikelo eli-12 aya kubangelwa kukujikeleza kwe-rotor yomzekelo we-hydro generator. Xa isantya se-rotor singama-250 revolutions ngomzuzu, i-frequency ye-AC evelisiweyo yi-50 Hz.
Ixesha lokuthumela: Epreli-14-2022
