Tiv thaiv theem-rau-theem luv luv Circuit Court tshwm sim los ntawm xoob xaus ntawm stator windings
Lub stator winding yuav tsum tau fastened nyob rau hauv lub qhov, thiab qhov kev ntsuam xyuas qhov yuav tsum tau raws li qhov yuav tsum tau.
Tsis tu ncua xyuas seb lub stator winding xaus yog dab dej, xoob lossis hnav.
Tiv thaiv stator winding rwb thaiv tsev puas
Ntxiv dag zog rau kev soj ntsuam ntawm lub nplhaib thaiv thiab kev hloov pauv ntawm cov hluav taws xob hluav taws xob loj, thiab tsis tu ncua kev sim ua raws li qhov yuav tsum tau ua ntawm "Kev Tiv Thaiv Kev Tswj Xyuas Cov Khoom Siv Hluav Taws Xob" (DL / T 596-1996).
Tsis tu ncua xyuas qhov nruj ntawm stator core ntsia hlau ntawm lub tshuab hluav taws xob.Yog tias qhov nruj ntawm cov ntsia hlau tseem ceeb tau pom tias tsis sib haum nrog lub Hoobkas tsim tus nqi, nws yuav tsum tau hais txog lub sijhawm.Tsis tu ncua xyuas tias lub tshuab hluav taws xob silicon steel nplooj ntawv tau teeb tsa kom zoo, tsis muaj qhov cua sov dhau, thiab qhov zawj dovetail tsis muaj qhov tawg thiab tawg.Yog tias cov ntawv silicon steel plam tawm, nws yuav tsum tau ua raws sijhawm.
Tiv thaiv luv luv ntawm lem ntawm rotor winding.
Kev ntsuam xyuas dynamic thiab zoo li qub inter-tig luv luv-circuit yuav tsum tau ua raws li ntawm lub ncov-shaving chav tsev thaum lub sij hawm txij nkawm, thiab lub rotor winding dynamic inter-tig luv-circuit online xyuas cov cuab yeej tuaj yeem ntsia tau yog tias muaj kev tso cai, txhawm rau txheeb xyuas kev txawv txav sai li sai tau.
Saib xyuas kev vibration thiab reactive zog hloov ntawm lub tshuab hluav taws xob hauv kev ua haujlwm txhua lub sijhawm.Yog hais tias qhov kev vibration yog nrog los ntawm reactive zog hloov, lub generator rotor tej zaum yuav muaj ib tug hnyav inter-tig luv luv Circuit Court.Lub sijhawm no, rotor tam sim no yog thawj zaug tswj.Yog tias qhov vibration dheev nce, lub tshuab hluav taws xob yuav tsum tau nres tam sim ntawd.
Txhawm rau tiv thaiv kev kub ntxhov hauv cheeb tsam kev puas tsuaj rau lub tshuab hluav taws xob
Lub tshuab hluav taws xob qhov hluav taws xob thiab qhov kev sib txuas ntawm qhov nruab nrab ntawm qhov nruab nrab yuav tsum ntseeg tau.Thaum lub sijhawm ua haujlwm ntawm chav tsev, kev ntsuas qhov ntsuas kub infrared yuav tsum tau ua tsis tu ncua rau cov kab hluav taws xob sib cais los ntawm kev ua kom zoo rau cov khoom siv hluav taws xob zoo li qub, cov khoom siv hluav taws xob zoo li qub mus rau lub nplhaib rotor, thiab lub nplhaib rotor.
Tsis tu ncua xyuas qhov kev sib cuag ntawm cov dynamic thiab zoo li qub ntawm cov hluav taws xob nres riam nres, thiab pom tias lub caij nplooj ntoos hlav compression yog xoob lossis ib tus ntiv tes sib cuag tsis sib xws rau lwm tus ntiv tes thiab lwm yam teeb meem yuav tsum tau daws raws sijhawm.
Thaum lub tshuab hluav taws xob rwb thaiv tsev overheats tswb, qhov laj thawj yuav tsum tau txheeb xyuas, thiab yog tias tsim nyog, lub tshuab yuav tsum raug kaw kom tshem tawm qhov tsis xws luag.
Thaum lub tshuab tshiab tau muab tso rau hauv kev tsim khoom thiab lub tshuab qub raug kho dua tshiab, yuav tsum tau them nyiaj mloog mus xyuas qhov compression ntawm stator hlau core thiab seb tus hniav siab ntiv tes puas yog biased, tshwj xeeb tshaj yog cov hniav ntawm ob qho kawg.khiav.Qhov kev kuaj tsis zoo ntawm cov hlau yuav tsum tau nqa tawm thaum kev xa khoom lossis thaum muaj kev tsis ntseeg txog cov tub ntxhais rwb thaiv tsev.
Hauv cov txheej txheem ntawm kev tsim khoom, kev thauj mus los, kev teeb tsa thiab kev saib xyuas, kev saib xyuas yuav tsum tau saib xyuas kom tsis txhob muaj cov khoom txawv teb chaws me me xws li vuam slag lossis hlau chips los ntawm kev poob rau hauv qhov cua ntawm lub stator core.
Tiv thaiv generator mechanical puas
Thaum ua hauj lwm hauv lub tshuab hluav taws xob cua qhov, ib tus neeg tshwj xeeb yuav tsum tau muab los saib xyuas qhov nkag ntawm lub tshuab hluav taws xob.Tus neeg teb xov tooj yuav tsum hnav khaub ncaws ua haujlwm tsis muaj hlau thiab khau ua haujlwm.Ua ntej nkag mus rau lub tshuab hluav taws xob, tag nrho cov khoom txwv tsis pub yuav tsum tau muab tshem tawm, thiab cov khoom nqa tuaj yuav tsum raug suav thiab kaw.Thaum ua haujlwm tiav thiab thim rov qab, cov khoom lag luam yog qhov tseeb kom ntseeg tau tias tsis muaj cov khoom seem.Lub ntsiab lus tseem ceeb yog tiv thaiv cov hlau khib nyiab xws li cov ntsia hlau, txiv ntseej, cov cuab yeej, thiab lwm yam kom tsis txhob raug tso rau hauv stator.Hauv particular, ib qho kev soj ntsuam ntxaws yuav tsum tau ua nyob rau ntawm qhov sib txawv ntawm qhov kawg coils thiab txoj hauj lwm ntawm lub sab sauv thiab qis involutes.
Cov cuab yeej tseem ceeb thiab cov cuab yeej tiv thaiv kev tiv thaiv yuav tsum tau kuaj xyuas tsis tu ncua thiab muab tso rau hauv ib txwm ua haujlwm.Thaum cov haujlwm tseem ceeb saib xyuas cov ntsuas ntsuas thiab cov cuab yeej ntawm lub tsev tsis ua haujlwm lossis ua haujlwm tsis raug, nws raug txwv nruj kom pib lub tsev.Thaum lub tsev tsis muaj kev tswj xyuas thaum lub sijhawm ua haujlwm, nws yuav tsum tau nres.
Txhim kho qhov kev hloov pauv ntawm kev ua haujlwm ntawm chav tsev, thiab sim kom tsis txhob muaj qhov siab vibration cheeb tsam lossis cavitation cheeb tsam ntawm chav tsev ua haujlwm.
Tiv thaiv lub tshuab hluav taws xob los ntawm cov pobzeb hlawv
Lub thrust bearing nrog lub siab-siab roj jacking ntaus ntawv yuav tsum xyuas kom meej tias nyob rau hauv cov kev tshwm sim ntawm tsis ua hauj lwm ntawm lub high-pressure roj jacking ntaus ntawv, lub thrust bearing tsis muab tso rau hauv lub high-pressure roj jacking ntaus ntawv kom tsis txhob muaj kev ruaj ntseg yam tsis muaj kev puas tsuaj.Cov cuab yeej siv roj siab siab yuav tsum tau kuaj xyuas tsis tu ncua kom ntseeg tau tias nws nyob rau hauv ib txwm ua haujlwm.
Cov roj qib ntawm cov roj lubricating yuav tsum muaj cov chaw taws teeb tswj xyuas tsis siv neeg thiab raug tshuaj xyuas tsis tu ncua.Cov roj lubricating yuav tsum tau kuaj tsis tu ncua, thiab cov roj tsis zoo yuav tsum tau daws sai li sai tau, thiab lub tsev yuav tsum tsis txhob pib yog tias cov roj zoo tsis tsim nyog.
Cov dej txias txias, roj kub, ntsuas kub ntawm cov nplais thiab cov cuab yeej tiv thaiv yuav tsum yog qhov tseeb thiab txhim khu kev qha, thiab kev ua haujlwm raug yuav tsum muaj zog.
Thaum cov kev ua haujlwm txawv txav ntawm lub tsev tuaj yeem ua rau cov kabmob puas, nws yuav tsum tau kuaj xyuas kom paub meej tias cov kabmob hav txwv yeem yog qhov zoo ua ntej rov pib dua.
Tsis tu ncua tshuaj xyuas cov bearings ncoo kom paub meej tias tsis muaj qhov tsis xws luag xws li lub plhaub thiab cov kab nrib pleb, thiab qhov ua tiav ntawm cov kabmob pad tiv tauj nto, ncej dab tshos thiab daim iav phaj yuav tsum ua tau raws li cov qauv tsim.Rau Babbitt bearing pads, kev sib cuag ntawm cov hlau thiab lub ncoo yuav tsum tau kuaj xyuas tsis tu ncua, thiab kev kuaj tsis raug puas tsuaj yuav tsum tau ua yog tias tsim nyog.
Cov kabmob ncej tam sim no tiv thaiv Circuit Court yuav tsum tau muab tso rau hauv ib txwm ua haujlwm, thiab lub tswb tam sim no yuav tsum tau kuaj xyuas thiab ua haujlwm raws sijhawm, thiab chav tsev raug txwv tsis pub khiav yam tsis muaj kev tiv thaiv tam sim no ntev.
Tiv thaiv kom loosening ntawm hydro-generator Cheebtsam
Cov khoom sib txuas ntawm cov khoom sib hloov yuav tsum tiv thaiv kom tsis txhob xoob thiab yuav tsum tau tshuaj xyuas tsis tu ncua.Lub kiv cua rotating yuav tsum tau muab ntsia kom ruaj, thiab cov hniav yuav tsum tsis muaj kab nrib pleb thiab deformation.Lub phaj cua-inducing yuav tsum tau muab ntsia kom ruaj khov thiab ua kom muaj kev ncua deb ntawm stator bar.
Stator (suav nrog thav duab), rotor qhov chaw, stator bar slot wedge, thiab lwm yam yuav tsum tau xyuas tsis tu ncua.Kev kho bolts, stator foundation bolts, stator core bolts thiab nro bolts ntawm turbine generator thav duab yuav tsum tau zoo fastened.Yuav tsum tsis txhob xoob, tawg, deformation thiab lwm yam tshwm sim.
Nyob rau hauv cov cua qhov ntawm lub tshuab hluav taws xob hydro-generator, nws yog ib qho tsim nyog yuav tsum tsis txhob siv cov khoom siv uas muaj cua sov hauv qab electromagnetic teb los yog hlau txuas cov ntaub ntawv uas yuav tsum tau electromagnetically adsorbed.Txwv tsis pub, kev tiv thaiv kev ruaj ntseg yuav tsum tau ua, thiab lub zog yuav tsum ua kom tau raws li qhov yuav tsum tau siv.
Tsis tu ncua xyuas cov neeg kho tshuab braking system ntawm hydro-generator.Lub brakes thiab lub nplhaib nres yuav tsum tiaj tus yam tsis muaj qhov tawg, kho cov bolts yuav tsum tsis txhob xoob, cov khau nres yuav tsum tau hloov lub sijhawm tom qab hnav, thiab cov brakes thiab lawv cov huab cua thiab cov roj yuav tsum tsis muaj cov plaub hau., txoj hlua kab noj hniav, cov pa tawm thiab cov roj to thiab lwm yam tsis xws luag uas cuam tshuam rau kev ua haujlwm braking.Qhov ceev ceev qhov nqi ntawm lub nres Circuit Court yuav tsum tau xyuas tsis tu ncua, thiab nws yog nruj me ntsis txwv tsis pub siv cov neeg kho tshuab nres ntawm kev kub ceev.
Txheeb xyuas cov khoom siv synchronization ib ntus kom tsis txhob muaj lub tshuab hluav taws xob hydro-generator los ntawm kev sib txuas nrog daim phiaj asynchronously.
Kev tiv thaiv lub tshuab hluav taws xob rotor winding av faults
Thaum lub rotor winding ntawm lub tshuab hluav taws xob yog grounded ntawm ib qho chaw, qhov txhaum thiab qhov xwm txheej yuav tsum raug txheeb xyuas tam sim ntawd.Yog tias nws yog qhov ruaj khov hlau hauv av, nws yuav tsum tau nres tam sim ntawd.
Tiv thaiv cov tshuab hluav taws xob los ntawm kev sib txuas rau kab sib chaws asynchronously
Lub khoos phis tawj tsis siv neeg quasi-synchronization ntaus ntawv yuav tsum tau teeb tsa nrog kev tshuaj xyuas ywj pheej synchronization.
Rau cov chav tsev tshiab muab tso rau hauv ntau lawm, overhauled thiab synchronizing circuits (xws li voltage AC Circuit Court, tswj DC Circuit Court, puv-kauj ruam meter, tsis siv neeg quasi-synchronizing ntaus ntawv thiab synchronizing kov, thiab lwm yam) uas tau hloov kho los yog nws cov khoom raug hloov, lub Cov haujlwm hauv qab no yuav tsum tau ua ua ntej txuas mus rau kab sib chaws thawj zaug: 1) Ua kom tiav thiab nthuav dav kev kuaj xyuas thiab kev sib kis ntawm cov cuab yeej thiab lub tshuab hluav taws xob synchronous;2) Siv lub tshuab hluav taws xob-transformer teeb nrog tsis muaj kev thauj khoom busbar boost kuaj xyuas qhov tseeb ntawm qhov sib txuas ntawm qhov hluav taws xob sib txuas, thiab xyuas tag nrho cov lus kauj ruam.3) Ua tiav qhov ntsuas tsis raug synchronous ntawm chav tsev, thiab qhov kev sim yuav tsum suav nrog phau ntawv quasi-synchronization thiab tsis siv neeg quasi-synchronization kaw qhov ntsuas ntawm lub Circuit Court breaker, synchronous thaiv thiab lwm yam.
Tiv thaiv lub tshuab hluav taws xob puas tsuaj los ntawm excitation system tsis ua hauj lwm
Ua tib zoo ua raws li qhov chaw xa tawm qhov kev txwv qis qis thiab PSS teeb tsa cov cai rau cov tshuab hluav taws xob, thiab txheeb xyuas lawv thaum kho dua.
Qhov kev txwv dhau-excitation thiab over-excitation tiv thaiv qhov chaw ntawm qhov tsis siv neeg excitation regulator yuav tsum nyob rau hauv cov nqi tso cai muab los ntawm cov chaw tsim khoom, thiab yuav tsum tau kuaj xyuas tsis tu ncua.
Thaum tsis siv neeg channel ntawm excitation regulator ua tsis tiav, channel yuav tsum tau hloov thiab muab tso rau hauv lub sijhawm ua haujlwm.Nws yog nruj me ntsis txwv tsis pub lub tshuab hluav taws xob khiav mus ntev raws li kev tswj hwm kev ua kom muaj zog.Thaum lub sijhawm ua haujlwm ntawm kev tswj hwm kev tswj hwm kev tswj hwm, thaum kho cov khoom nquag ntawm lub tshuab hluav taws xob, lub reactive load ntawm lub tshuab hluav taws xob yuav tsum tau kho kom zoo los tiv thaiv lub tshuab hluav taws xob los ntawm kev poob nws qhov zoo li qub.
Thaum lub hwj huam mov voltage sib txawv yog +10% ~ -15% thiab qhov sib txawv zaus yog +4% ~ -6%, lub zog tswj kev ua haujlwm, cov keyboards thiab lwm yam kev ua haujlwm tuaj yeem ua haujlwm ib txwm.
Nyob rau hauv tus txheej txheem ntawm kev pib, nres thiab lwm yam kev ntsuam xyuas ntawm chav tsev, kev ntsuas los txiav tawm lub tshuab hluav taws xob excitation ntawm qis ceev ntawm chav tsev yuav tsum tau noj.
Post lub sij hawm: Mar-01-2022
