Dzivirira kupfupika kwedunhu kubva pachikamu kuenda kuchikamu kunokonzerwa nemagumo asina kusimba e stator windings
Kutenderedza stator kunofanira kusungirirwa mu slot, uye slot potential test inofanira kusangana nezvinodiwa.
Gara uchitarisa kana magumo ekumonera e stator ari kunyura, akasununguka kana kuti akasakara.
Dzivirira kukuvara kwekudzivirira kwe stator
Simbisai kuongororwa kwe ring wiring uye transition lead insulation yemajenareta makuru, uye garai muchiedzwa zvinoenderana nezvinodiwa ne "Protection Test Regulations for Power Equipment" (DL/T 596-1996).
Gara uchitarisa kuomarara kwestator core screw yejenareta. Kana kuomarara kwecore screw kukaonekwa kuti hakuenderane nekugadzirwa kwefekitori, kunofanira kugadziriswa nenguva. Gara uchitarisa kuti machira esimbi esilicon ejenareta akarongedzwa zvakanaka, hapana kana paine kupisa kwakanyanya, uye kuti gomba remuswe wedovetail harina kutsemuka kana kubviswa. Kana pepa resimbi resilicon rikatsvedza, rinofanira kugadziriswa nenguva.
Dzivisa kutenderera kupfupi pakati pekutenderera kwerotor.
Miedzo yekuchinja-chinja kwemhepo inoshanduka uye inomira pakati pemafungu inofanira kuitwa zvichiteerana kune imwe nzvimbo inogera vhudzi panguva yekugadzirisa, uye mudziyo wekutarisa we rotor winding dynamic inter-turn short-circuit online unogona kuiswa kana mamiriro ezvinhu achibvumira, kuitira kuti zvionekwe zvisina kunaka nekukurumidza sezvinobvira.
Tarisa kuchinja kwemagetsi anochinja-chinja uye simba rinoita kuti magetsi ashande chero nguva. Kana kudzungunyika uku kuchienderana nekuchinja kwesimba rinoita kuti magetsi ashande, rotor yejenareta inogona kunge iine circuit pfupi inochinja-chinja zvakanyanya. Panguva ino, rotor current inotanga yadzorwa. Kana kudzungunyika kwacho kukangoerekana kwawedzera, jenareta inofanira kumiswa nekukasika.
Kudzivirira kukuvara kwejenareta pakupisa kwakanyanya munzvimbo
Nzvimbo yekubuditsa jenareta nechikamu chekubatanidza che neutral point lead zvinofanira kuva zvakavimbika. Munguva yekushanda kweyuniti, kuyerwa kwekushisa kwe infrared imaging kunofanirwa kuitwa nguva dzose kune tambo inopatsanurwa kubva pa excitation kuenda ku static excitation device, tambo kubva pa static excitation device kuenda ku rotor slip ring, uye rotor slip ring.
Gara uchitarisa kuti brake remagetsi rekubikisa banga rine simba uye risingachinji, woona kuti chitubu chekudzvanya chakasununguka kana kuti chigunwe chimwe chete chekubikisa hachina kufanana nezvimwe zvigunwe zvekubikisa uye mamwe matambudziko anofanira kugadziriswa nenguva.
Kana chinhu chinodzivirira jenareta chikapisa zvakanyanya, chikonzero chinofanira kuongororwa, uye kana zvichidikanwa, muchina unofanira kudzimwa kuti dambudziko ribviswe.
Kana muchina mutsva wagadzirwa uye muchina wekare wagadziriswazve, kutarisirwa kunofanirwa kutariswa kuti stator iron core iri kudzvanywa here uye kana chigunwe chekumanikidza mazino chakarerekera here, kunyanya mazino ari kumativi ese. Kuyedzwa kwekurasikirwa nesimbi kunofanirwa kuitwa pakupihwa kana kana paine kusava nechokwadi nezve core insulation.
Mukugadzirwa, kutakurwa, kuiswa nekugadzirisa, kungwarira kunofanirwa kutorwa kudzivirira zvinhu zvidiki zvekune dzimwe nyika zvakaita se welding slag kana metal chips kuti zvisawire munzvimbo dzinopinza mhepo dze stator core.
Dzivirira kukuvara kwejenareta
Pakushanda mugedhi remhepo rejenareta, munhu akakosha anofanira kupihwa basa rekuchengetedza suo rejenareta. Mushandi anofanira kupfeka mbatya dzebasa dzisina simbi neshangu dzebasa. Usati wapinda mujenareta, zvinhu zvese zvinorambidzwa zvinofanira kuburitswa, uye zvinhu zvinounzwa zvinofanira kuverengwa uye kunyorwa. Kana basa rapera uye rabviswa, zvinhu zviri mujenareta zvakakodzera kuona kuti hapana zvasara. Chinhu chikuru ndechekudzivirira marara esimbi akadai semasikuruu, nzungu, maturusi, nezvimwewo kuti asasiiwe mukati me stator. Kunyanya, kuongororwa kwakadzama kunofanirwa kuitwa pamupata uri pakati pema coil ekupedzisira nenzvimbo iri pakati pe involute dzepamusoro nedzepasi.
Midziyo mikuru neyekubatsira yekudzivirira michina inofanira kuongororwa nguva nenguva uye kuiswa mukushanda kwakajairika. Kana mita dzekuongorora mashandiro akakosha nemidziyo yeyuniti ikatadza kushanda zvakanaka kana kushanda zvisirizvo, zvinorambidzwa zvachose kutanga yuniti. Kana yuniti isina simba panguva yekushanda, inofanira kumiswa.
Simbisa kugadziriswa kwemaitiro ekushanda kweyuniti, uye edza kudzivirira nzvimbo ine kudedera kwakanyanya kana nzvimbo ye cavitation yekushanda kweyuniti.
Dzivirira bheyaringi rejenareta kuti risatsve mataira
Bearing yekuisa mafuta ine mudziyo wekuisa mafuta une pressure yakakwira inofanira kuona kuti kana mudziyo wekuisa mafuta une pressure yakakwira ukakundikana, bearing yekuisa mafuta haina kuiswa mumudziyo wekuisa mafuta une pressure yakakwira kuti imire zvakanaka pasina kukuvara. Mudziyo wekuisa mafuta une pressure yakakwira unofanirwa kuongororwa nguva nenguva kuti uve nechokwadi chekuti uri kushanda zvakanaka.
Oiri yemafuta ekuzora inofanira kunge iine basa rekutarisa otomatiki uye inofanira kuongororwa nguva dzose. Oiri yekuzora inofanira kuongororwa nguva dzose, uye kuora kwemhando yemafuta kunofanira kugadziriswa nekukurumidza, uye mudziyo haufanirwe kutanga kana mhando yemafuta isina kukodzera.
Tembiricha yemvura inotonhorera, tembiricha yemafuta, michina yekutarisa tembiricha yemataira uye yekudzivirira inofanira kunge yakarurama uye yakavimbika, uye kunyatsoita basa kwayo kunofanira kusimbiswa.
Kana mamiriro ekushanda asina kujairika eyuniti anogona kukuvadza bearing, inofanira kuongororwa zvizere kuti ionekwe kuti bearing bush iri mumamiriro akanaka here isati yatangazve.
Gara uchitarisa bearing pad kuti uone kana pasina zvikanganiso zvakaita sekutsemuka uye kupwanyika, uye kupenya kwepamusoro pebearing pad contact surface, shaft collar nemirror plate zvinofanira kusangana nezvinodiwa zvedhizaini. Kune mabearing pads eBabbitt, kubatana pakati pealloy nepad kunofanirwa kuongororwa nguva nenguva, uye kuyedzwa kusingaparadze kunofanirwa kuitwa kana zvichidikanwa.
Dunhu rekudzivirira shaft rinoshanda zvakanaka rinofanira kushandiswa zvakajairika, uye alarm yeshaft rinoshanda zvakanaka inofanira kuongororwa uye kugadziriswa nenguva, uye mudziyo wacho unorambidzwa kushanda usina shaft rinoshanda kwenguva yakareba.
Dzivirira kusunungura kwezvikamu zve hydro-generator
Zvikamu zvinobatanidza zvezvikamu zvinotenderera zvinofanira kudzivirirwa kuti zvisasununguke uye zvinofanira kuongororwa nguva nenguva. Fan inotenderera inofanira kuiswa zvakasimba, uye mapanga acho anofanira kunge asina maburi kana kushanduka. Purati inopinza mweya inofanira kuiswa zvakasimba uye iri kure zvakakwana ne stator bar.
Stator (kusanganisira furemu), zvikamu zverotor, stator bar slot wedge, nezvimwewo zvinofanirwa kuongororwa nguva nenguva. Mabhaudhi ekugadzirisa, mabhoudhi estator foundation, mabhoudhi estator core uye mabhoudhi etension efuremu yejenareta yeturbine zvinofanirwa kusungwa zvakanaka. Hapafanirwe kuva nekureruka, kutsemuka, kuchinjika nezvimwe zviitiko.
Mumugero wemhepo wegetsi remvura, zvakakosha kudzivirira kushandisa zvinhu zvinogona kupisa pasi pesimba remagetsi kana zvinhu zvinobatanidza simbi zvinogona kunyudzwa nemagetsi. Zvikasadaro, matanho ekudzivirira akavimbika anofanira kutorwa, uye simba racho rinofanira kusangana nezvinodiwa pakushandisa.
Gara uchitarisa sisitimu yekubhura kwemagetsi ye hydro-generator. Mabhureki nemhete dzemabhureki zvinofanira kunge zvakati sandara pasina mitswe, mabhoti ekugadzirisa haafanire kusununguka, shangu dzemabhureki dzinofanira kuchinjwa nenguva mushure mekunge dzapfekwa, uye mabhureki nehurongwa hwawo hwemhepo nemafuta zvinofanira kunge zvisina mapini ebvudzi. , tambo, kubuda kwemhepo uye kudonha kwemafuta nezvimwe zvikanganiso zvinokanganisa mashandiro ekubhura. Kukosha kwekuisa kumhanya kwedunhu remabhureki kunofanirwa kuongororwa nguva nenguva, uye zvinorambidzwa zvachose kushandisa mabhureki emagetsi nekukurumidza.
Nguva nenguva tarisa mudziyo wekuwiriranisa kuti hydro-generator isabatanidzwe kugrid nenzira isingaenderane.
Dziviriro kubva pazvikanganiso zvepasi zvinotenderedza rotor yejenareta
Kana rotor winding yejenareta yatsikwa panzvimbo imwe, nzvimbo yekukanganisa uye rudzi rwechinhu zvinofanira kuonekwa nekukasika. Kana iri simbi yakasimba, inofanira kumiswa nekukasika.
Dzivirira majenareta kuti asabatanidzwa negrid nenzira isingaenderane
Mudziyo wekombiyuta unongoerekana wabatana unofanira kuiswa neongororo yekuwiriranisa yakazvimirira.
Kune mayuniti matsva akaiswa mukugadzirwa, akagadziriswa uye anosanganisa macircuit (kusanganisira voltage AC circuit, control DC circuit, full-step meter, automatic quasi-synchronizing device uye synchronizing handle, nezvimwewo) akagadziriswa kana ane michina yakatsiviwa, basa rinotevera rinofanira kuitwa usati wabatanidza kune grid kekutanga: 1) Ita ongororo yakazara uye yakadzama uye transmission yemudziyo ne synchronous circuit; 2) Shandisa generator-transformer set ine no-load busbar boost test kuti uone kururama kwe synchronous voltage secondary circuit, uye tarisa tafura yese yematanho. 3) Ita test ye false synchronization yeyuniti, uye bvunzo inofanira kusanganisira manual quasi-synchrization uye automatic quasi-synchrization closing test ye circuit breaker, synchronous blocking nezvimwewo.
Dzivirira kukuvara kwejenareta kunokonzerwa nekutadza kwesystem yekumutsa
Shandisai zvakasimba zvinodiwa ne dispatch center zve dispatch center zvine mwero wekudzikisa simba uye zvinodiwa pakuisa PSS kune majenareta, uye zviongororei panguva yekugadzirisa.
Muganho wekuwedzeredza zvakanyanya uye marongero ekudzivirira kuwedzeredza zvakanyanya emuchina wekugadzirisa otomatiki zvinofanirwa kunge zviri mukati mehunhu hunobvumidzwa hunopiwa nemugadziri, uye zvinofanirwa kuongororwa nguva nenguva.
Kana nzira ye otomatiki yemuchina wekugadzirisa kufambiswa kwemhepo ikakundikana, nzira yacho inofanira kuchinjwa uye kushanda nenguva. Zvinorambidzwa zvachose kuti jenareta ishande kwenguva yakareba pasi pemutemo wekukurudzira kufambiswa kwemhepo nemaoko. Munguva yekushanda kwemutemo wekukurudzira kufambiswa kwemhepo nemaoko, pakugadzirisa mutoro unoshanda wejenareta, mutoro wekuita basa wejenareta unofanirwa kugadziriswa nemazvo kudzivirira jenareta kuti isarasikirwa nekugadzikana kwayo kwakasimba.
Kana kutsauka kwemagetsi emagetsi kuri +10%~-15% uye kutsauka kwefrequency kuri +4%~-6%, sisitimu yekudzora kufadza, maswichi nedzimwe nzira dzekushanda dzinogona kushanda zvakajairika.
Mukutanga, kumira uye mimwe miedzo yeyuniti, matanho ekugura kufadza kwejenareta nekumhanya kwakaderera kweyuniti anofanira kutorwa.
Nguva yekutumira: Kurume-01-2022
