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.
Gara uchitarisa 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 ne "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, inofanirwa kugadziriswa nenguva. Gara uchitarisa kuti jenareta silicon simbi mapepa 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 inomira-yepakati-inotendeuka pfupi-yedunhu bvunzo inofanirwa kuitiswa zvakateerana kune yepamusoro-yekuveura chikamu panguva yekugadzirisa, uye rotor inotenderera ine simba yepakati-inotenderera pfupi-yepakati-yepamusoro-yekutarisa pamhepo yekutarisa mudziyo inogona kuisirwa kana mamiriro achibvumidza, kuitira kuti aone abnormalities nekukurumidza sezvinobvira.
Tarisa kuzunguzika uye reactive simba shanduko yejenareta iri kushanda chero nguva. Kana iyo vibration ichiperekedzwa nekuchinja kwesimba reactive, jenareta rotor inogona kunge iine yakasimba inter-turn short circuit. Panguva ino, rotor ikozvino inotanga kudzorwa. Kana kudengenyeka kuchiwedzera, 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 kupatsanurwa-chikamu tambo kubva pakunakidzwa 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 chimwechete chekubata hachina kufanana nezvimwe zvigunwe zvinosangana uye mamwe matambudziko anofanirwa kugadziriswa nenguva.
Kana jenareta insulation ichipisa alarm, chikonzero chinofanira kuongororwa, uye kana zvichidikanwa, muchina unofanirwa kuvharwa kuti ubvise kukanganisa.
Kana muchina mutsva waiswa mukugadzirwa uye muchina wekare wadzokororwa, kutariswa kunofanirwa kubhadharwa kuti utarise kudzvanywa kweiyo stator iron core uye kana zino rekumanikidza chigunwe chakarerekera, kunyanya mazino kumagumo ese. run. Muedzo wekurasikirwa nesimbi unofanirwa kuitwa kana uchinge wapihwa kana paine kusahadzika nezve core insulation.
Mukugadzira, kutakura, kuisa uye kugadzirisa, kutarisirwa kunofanira 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 kunofanira 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 yekutarisa metres 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 jenareta kubva pakupisa mataira
Iyo yekusundidzira inotakura neakakwira-kudzvanywa mafuta jacking mudziyo unofanirwa kuve nechokwadi chekuti kana paine kutadza kweiyo-yakanyanya-kudzvanywa mafuta jacking mudziyo, iyo yekusundidzira 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 muchimiro chekushanda.
Iyo yemafuta nhanho yemafuta ekuzora inofanirwa kunge iine kure otomatiki yekutarisa basa uye kuongororwa nguva dzose. 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 kunofanira kusimbiswa.
Kana mamiriro ekushanda asina kujairika echikwata anogona kukuvadza kubereka, inofanira kunyatsoongororwa kuti ione kuti gwenzi rinotakura riri mumamiriro 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 kusingaparadzi kunofanirwa kuitwa kana zvichidikanwa.
Iyo inotakura shaft ikozvino yekudzivirira yedunhu inofanirwa kuiswa mune yakajairika kushanda, uye shaft yazvino alarm inofanirwa kutariswa uye kubatwa 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. Indiro yemhepo inokonzera mhepo 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 eturbine jenareta furemu anofanirwa kusungirirwa zvakanaka. Panofanira kunge pasina kusununguka, kutsemuka, deformation uye zvimwe zviitiko.
Mumugero wemhepo weiyo hydro-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 zvimwe zvinokanganisa zvinokanganisa mabhureki. Iyo yekumhanyisa kuseta kukosha kweiyo brake circuit inofanirwa kuongororwa nguva dzose, uye inorambidzwa zvachose kushandisa mechanical brake pakumhanya kukuru.
Nguva nenguva tarisa mudziyo wekuwiriranisa kudzivirira iyo hydro-jenareta kubva pakubatanidzwa kune grid asynchronously.
Dziviriro kubva kune jenareta rotor inotenderedza pasi kukanganisa
Apo rotor mhepo yejenereta yakadzikwa pane imwe nguva, chikanganiso uye zvisikwa zvinofanira kuonekwa pakarepo. 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) izvo zvakagadziridzwa kana zvine midziyo yakatsiviwa, basa rinotevera rinofanirwa kuitwa risati rabatana negridi kekutanga: synchronous circuit; 2) Shandisa jenareta-transformer seti 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 kune majenareta, uye simbisa iwo panguva yekudzokorora.
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
