Dzivirira chikamu-ku-chikamu chipfupi chedunhu chinokonzerwa neakasununguka magumo e stator windings
Iyo stator mhepo inofanirwa kusungirirwa mune slot, uye iyo slot inogona bvunzo inofanirwa kusangana nezvinodiwa.
Nguva dzose tarisa kana stator inotenderera inopera iri kunyura, yakasununguka kana yakasakara.
Kudzivirira stator winding insulation kukanganisa
Simbisa kuongororwa kweiyo mhete wiring uye transition lead insulation yemajenareta makuru, uye gara uchiitisa bvunzo zvinoenderana nezvinodiwa zve "Protection Test Regulations for Power Equipment" (DL/T 596-1996).
Nguva dzose tarisa kusimba kwe stator core screw ye generator.Kana iyo yakaoma ye core screw inowanikwa isingaenderane neiyo fekitori dhizaini kukosha, inofanira kubatwa nenguva.Gara uchitarisa kuti jenareta silicon simbi masheets akaturikidzana zvakanaka, hapana overheating trace, uye dovetail groove haina kutsemuka uye kuregedza.Kana iyo silicon simbi pepa yakatsvedza kunze, inofanirwa kugadziriswa nenguva.
Dzivirira pfupi pfupi pakati pekuchinja kwe rotor winding.
Iyo inosimba uye yakamira yepakati-inotendeuka pfupi-yedunhu bvunzo inofanirwa kuitiswa zvakateerana kune peak-kuveura chikamu panguva yekugadzirisa, uye rotor inotenderera ine simba re-inter-turn-pfupi-yedunhu rekutarisa online mudziyo wekutarisa unogona kuiswa kana mamiriro achibvumidza, kuti vaone. abnormalities nokukurumidza sezvinobvira.
Tarisa kuzunguzika uye reactive simba shanduko yejenareta iri kushanda chero nguva.Kana iyo vibration ichiperekedzwa nekuchinja kwesimba reactive, jenareta rotor inogona kunge iine yakanyanya inter-turn short circuit.Panguva ino, rotor ikozvino inotanga kudzorwa.Kana kudengenyeka kunowedzera nokukurumidza, jenareta inofanira kumiswa pakarepo.
Kuti udzivise kukuvara kwekupisa kwenzvimbo kune jenareta
Iyo jenareta yekubuda uye yekubatanidza chikamu cheyairerekera point lead inofanirwa kuve yakavimbika.Munguva yekushanda kweyuniti, infrared imaging tembiricha kuyerwa kunofanirwa kuitwa nguva nenguva kune yakakamurwa-chikamu tambo kubva pakusimudzwa kuenda kune static excitation mudziyo, tambo kubva kune static excitation mudziyo kuenda kune rotor slip ring, uye rotor inotsvedza mhete.
Gara uchitarisa kuonana pakati peanochinja uye akamira mabatiro emagetsi brake banga bhureki, uye ona kuti compression chitubu chakasununguka kana chigunwe chekubata chigunwe hachina kufanana nezvimwe zvigunwe zvinosangana uye mamwe matambudziko anofanirwa kugadziriswa nenguva.
Kana jenareta insulation ichipisa aramu, chikonzero chinofanira kuongororwa, uye kana zvichidikanwa, muchina unofanirwa kuvharwa kuti ubvise kukanganisa.
Kana muchina mutsva waiswa mukugadzirwa uye muchina wekare ukakwenenzverwa, kutariswa kunofanirwa kubhadharwa kuti utarise kudzvanywa kweiyo stator iron core uye kana zino rekumanikidza munwe rakarerekera, kunyanya mazino kumagumo ese.run.Muedzo wekurasikirwa nesimbi unofanirwa kuitwa kana uchinge wapihwa kana paine kusahadzika nezve core insulation.
Mukugadzira, kutakura, kuisirwa uye kugadzirisa, kutarisirwa kunofanirwa kutorwa kudzivirira zvinhu zvidiki zvekune dzimwe nyika senge welding slag kana simbi machipisi kubva pakuwira mumhepo inotsvedza yeiyo stator core.
Kudzivirira kukuvara kwejenareta
Paunenge uchishanda mumhepo yejenereta, munhu anokosha anofanira kugoverwa kuchengetedza mukova wejenereta.Mushandi anofanira kupfeka mbatya dzebasa dzisina simbi uye shangu dzebasa.Usati wapinda mujenareta, zvinhu zvose zvinorambidzwa zvinofanira kubudiswa, uye zvinhu zvinounzwa zvinofanira kuverengwa nokurekodhwa.Kana basa rapedzwa uye rabviswa, iyo inventory ndeyechokwadi kuti ive nechokwadi chekuti hapana chasara.Chinhu chakakosha ndechekudzivirira marara esimbi senge screws, nzungu, zvishandiso, nezvimwe kubva pakusiiwa mukati me stator.Kunyanya, kuongororwa kwakadzama kunofanirwa kuitwa pane gaka pakati pekupedzisira coils uye chinzvimbo pakati pepamusoro uye pasi involutes.
Iyo huru uye yekubatsira michina yekudzivirira michina inofanirwa kuongororwa nguva nenguva uye kuiswa mune yakajairika kushanda.Kana iyo yakakosha kushanda yekutarisa mita uye zvishandiso zveyuniti zvikatadza kana kushanda zvisizvo, zvinorambidzwa zvachose kutanga iyo unit.Kana iyo unit iri kunze kwekutonga panguva yekushanda, inofanira kumiswa.
Simbisa kurongeka kwemaitiro ekushanda kweyuniti, uye edza kudzivirira yakakwira vibration nzvimbo kana cavitation nzvimbo yeyuniti oparesheni.
Dzivirira kutakura kwejenareta kubva pakupisa mataira
Iyo yekusundidzira inotakura neyekudzvanya mafuta jacking mudziyo unofanirwa kuve nechokwadi chekuti kana paine kutadza kweiyo-yakanyanya-kudzvanywa mafuta jacking mudziyo, iyo inosimudzira inotakurwa haina kuiswa mu-high-pressure mafuta jacking mudziyo kuti umire zvakachengeteka pasina kukuvara.Iyo yakanyanya-kudzvanywa mafuta jacking mudziyo unofanirwa kuongororwa nguva nenguva kuti ive nechokwadi chekuti iri mune yakajairika kushanda mamiriro.
Iyo yemafuta mwero wemafuta ekuzora inofanirwa kunge iine kure otomatiki yekutarisa basa uye kutariswa nguva nenguva.Mafuta ekuzora anofanirwa kuongororwa nguva nenguva, uye kuparara kwemhando yemafuta kunofanirwa kugadziriswa nekukurumidza sezvinobvira, uye iyo unit haifanirwe kutangwa kana mhando yemafuta isingakodzeri.
Iyo tembiricha yemvura inotonhorera, tembiricha yemafuta, tembiricha yekutarisa uye yekudzivirira michina inofanirwa kuve yakarurama uye yakavimbika, uye iko iko kushanda kunofanirwa kusimbiswa.
Kana mamiriro ekushanda asina kujairika echikwata anogona kukanganisa kubereka, inofanira kuongororwa zvakakwana kuti ione kuti gwenzi rinotakura riri mumamiriro ezvinhu akanaka risati ratangazve.
Gara uchiongorora iyo bearing pad kuti uone kuti hapana chakakanganisika senge shelling uye kuputika, uye kupera kwepamusoro kwebearing pad contact surface, shaft collar uye mirror plate inofanirwa kusangana nezvinodiwa zvekugadzira.Kune Babbitt inotakura mapedhi, kusangana pakati pealloy uye padhi kunofanirwa kuongororwa nguva nenguva, uye kuyedza kusingaparadze kunofanirwa kuitwa kana zvichidikanwa.
Iyo inotakura shaft ikozvino yekudzivirira yedunhu inofanirwa kuiswa mune yakajairika kushanda, uye shaft ikozvino alarm inofanirwa kutariswa uye kubatwa nayo nenguva, uye iyo unit inorambidzwa kumhanya pasina shaft ikozvino kuchengetedzwa kwenguva yakareba.
Dzivirira kusunungurwa kwe hydro-generator components
Zvikamu zvinosungirirwa zvezvikamu zvinotenderera zvichadzivirirwa kubva pakusunungurwa uye zvinofanira kuongororwa nguva dzose.Iyo feni inotenderera inofanira kuiswa zvakasimba, uye mashizha anofanira kunge asina kuputika uye deformation.Iyo mhepo inokonzera ndiro inofanira kuiswa zvakasimba uye kuchengetedza chinhambwe chakakwana kubva pa stator bar.
Stator (kusanganisira furemu), rotor zvikamu, stator bar slot wedge, nezvimwe zvinofanirwa kuongororwa nguva dzose.Mabhaudhi ekugadzirisa, stator hwaro mabhoti, stator core bolts uye tension bolts eiyo turbine jenareta furemu inofanirwa kusungirirwa zvakanaka.Panofanira kunge pasina kusununguka, kutsemuka, deformation uye zvimwe zviitiko.
Mumugero wemhepo wehydro-jenareta, zvinodikanwa kudzivirira kushandiswa kwezvinhu zvinogara zvichipisa pasi pemunda wemagetsi kana simbi yekubatanidza zvinhu zvinogona kushambadzwa nemagetsi.Kana zvisina kudaro, matanho ekudzivirira akavimbika anofanira kutorwa, uye simba rinofanira kusangana nezvinodiwa zvekushandisa.
Gara uchitarisa iyo mechanical braking system ye hydro-generator.Mabhureki uye zvindori zvemabhureki zvinofanirwa kunge zvakapetwa pasina kuputika, mabhaudhi ekugadzirisa haafanire kuve akasununguka, shangu dzebhureki dzinofanira kuchinjwa nenguva mushure mekunge dzapfekwa, uye mabhureki nemhepo yavo uye masisitimu emafuta anofanira kunge asina mapini ebvudzi., tambo mhango, kubuda kwemhepo uye kubuda kwemafuta uye kumwe kukanganisa kunokanganisa kuita kwebhureki.Iyo yekumhanyisa kuseta kukosha kweiyo brake circuit inofanirwa kuongororwa nguva nenguva, uye inorambidzwa zvachose kushandisa mechanical brake nekumhanya kukuru.
Nguva nenguva tarisa mudziyo wekuwiriranisa kudzivirira iyo hydro-jenareta kubva pakubatanidzwa kune grid asynchronously.
Dziviriro kubva kune jenareta rotor inotenderedza pasi kukanganisa
Kana iyo rotor mhepo yejenereta yakadzikwa pane imwe nguva, chikanganiso uye hunhu hunofanirwa kuzivikanwa nekukurumidza.Kana iri simbi yakagadzika pasi, inofanira kumiswa pakarepo.
Dzivirira majenareta kubva pakubatanidzwa kune grid asynchronously
Iyo komputa otomatiki quasi-synchronization mudziyo unofanirwa kuisirwa neyakazvimiririra synchronization yekuongorora.
Kune mayunitsi achangobva kuiswa mukugadzirwa, akakwenenzverwa uye kuwiriranisa maseketi (kusanganisira voltage AC dunhu, control DC dunhu, yakazara-nhanho mita, otomatiki quasi-synchronizing mudziyo uye synchronizing mubato, nezvimwewo) akagadziridzwa kana ane midziyo yakatsiviwa, iyo basa rinotevera rinofanira kuitwa risati rabatanidza kune grid kekutanga : 1) Ita cheki yakazara uye yakadzama uye kutumira kwechigadzirwa uye synchronous circuit;2) Shandisa jenareta-transformer set isina-load busbar boost test kuti utarise iko kurongeka kweiyo synchronous voltage yechipiri dunhu, uye tarisa nhanho yese tafura.3) Ita iyo yenhema synchronous bvunzo yeyuniti, uye bvunzo dzinofanirwa kusanganisira bhuku quasi-synchronization uye otomatiki quasi-synchronization yekuvhara bvunzo yedunhu breaker, synchronous blocking uye zvichingodaro.
Dzivirira kukuvadzwa kwejenareta kunokonzerwa nekutadza kwehurongwa hwekusimudzira
Nyatsoshandisa iyo yekutumira-yakaderera-yekuwedzeredza muganho uye PSS kuseta zvinodiwa zvemajenareta, uye simbisa iwo panguva yekuvandudza.
Iyo yekuwedzeredza-yekuwedzeredza muganho uye yakawandisa-yekuwedzeredza kuchengetedza marongero eiyo otomatiki excitation regulator inofanirwa kunge iri mukati meiyo inotenderwa tsika dzakapihwa nemugadziri, uye inofanirwa kuongororwa nguva nenguva.
Kana iyo otomatiki chiteshi cheiyo excitation regulator ikatadza, chiteshi chinofanira kuchinjwa uye kuiswa mukushanda nenguva.Izvo zvinorambidzwa zvachose kuti jenareta iite kwenguva yakareba pasi pemutemo wekukurudzira.Munguva yekushanda kwebhuku rekugadzirisa regulation, paunenge uchigadzirisa mutoro unoshanda wejenereta, mutoro unogadzirisa wejenereta unofanira kunyatsogadziriswa kudzivirira jenereta kuti irege kurasikirwa nekugadzikana kwayo.
Kana magetsi emagetsi emagetsi ari + 10% ~ -15% uye frequency kutsauka iri + 4% ~ -6%, iyo excitation control system, switch uye mamwe masisitimu anoshanda anogona kushanda zvakajairika.
Mukuita kwekutanga, kumira uye zvimwe zviedzo zveyuniti, matanho ekudimbura excitation yejenereta pakumhanya kwakaderera kweyuniti kunofanirwa kutorwa.
Nguva yekutumira: Mar-01-2022
