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ID:36599087
大小:143.50 KB
页数:4页
时间:2019-05-12
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1、there?Afterignition,combustionshouldfocusitsattentiononwhat?Reducingboilerhotlossmeasures?DC-whatarethemaincharacteristicsoftheboiler?BoilersteamafterBaoBiwenhow?whenshutdowntocontrolsteamdrumwalltemperaturedifference?Fromarunstandpoint,whatarethemainmeasurest
2、oreducecoalconsumptionforpowersupply?Talkabouthowtocontrolthewaterlevel?Generatoraftersplitting,6KVwhytopromptlyexitthestandbypowerswitch?Whythecurrenttransformersecondarysideintheoperationarenotallowedtoopen?Whysynchronousgeneratorexcitationcircuitofthedegaus
3、singswitchcanbechangedintoalivelybreaker?Generatorstep-upprocess,whytherotorandstatorcurrentstomonitor?Whyarerotoronepointgroundproneto2ndafterground?Try380Vdiscussedfollowingthegroundingofauxiliarypowersystem,wiringforthree-phasefive-limbterminalofPTsecondary
4、voltagechange?Generatorincompletephaseoperationprincipleiswhat?Yn,d11(Y0/-11)connectionofgenerator-transformersystems,generatoropen-phaserunninganyhelp?Whytoinstall100%statorgroundingprotectionforlargegenerator?Whydoesnotallowrunningsecondaryshortcircuit?Gener
5、atorexcitation,excited,whatistheoftheoverexcitationlimit?Generatorlossofexcitationintherunning,whatistheimpactonthesystemandthegeneratoritself?Anti-cuozhongonthepreventionofexcitationsystemofgeneratorcausedbyfaultwhatdamage?trydiscussingwhatarethemeasuresofimp
6、rovingpowersystemdynamicstability?Whatisaswitchingoperationoftheelectricalequipment?maincontentswitchingoperationofpowerplantsandpowersystemsarethere?Trydiscussingmalignantelectricmisoperation,whichmisusepersonal,mostoftheequipment?Switchservicepowerfastcuttin
7、gdeviceinseveralways?inthealternatetotheState,thestandbypowerswitchrefusedtodealwith?Trydiscussingswitchingoperationsshouldfocusonpreventingmisoperationaccident?Newoperationoraftermajorrepairoftransformerswhytest?TrydiscussingstepsmeasuredwithaMeggerinsulation
8、resistanceofelectricalequipment?LumethodisusedtofindDCgroundingconsiderationarewhat?whentherearetwopointgroundingwiththepolarityshouldbe...1.600MWsupercriticalsupplementaryquestion
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