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ID:37367581
大小:171.48 KB
页数:4页
时间:2019-05-22
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1、there?Afterignition,combustionshouldfocusitsattentiononwhat?Reducingboilerhotlossmeasures?DC-whatarethemaincharacteristicsoftheboiler?BoilersteamafterBaoBiwenhow?whenshutdowntocontrolsteamdrumwalltemperaturedifference?Fromarunstandpoint,whatarethemainm
2、easurestoreducecoalconsumptionforpowersupply?Talkabouthowtocontrolthewaterlevel?Generatoraftersplitting,6KVwhytopromptlyexitthestandbypowerswitch?Whythecurrenttransformersecondarysideintheoperationarenotallowedtoopen?Whysynchronousgeneratorexcitationci
3、rcuitofthedegaussingswitchcanbechangedintoalivelybreaker?Generatorstep-upprocess,whytherotorandstatorcurrentstomonitor?Whyarerotoronepointgroundproneto2ndafterground?Try380Vdiscussedfollowingthegroundingofauxiliarypowersystem,wiringforthree-phasefive-l
4、imbterminalofPTsecondaryvoltagechange?Generatorincompletephaseoperationprincipleiswhat?Yn,d11(Y0/-11)connectionofgenerator-transformersystems,generatoropen-phaserunninganyhelp?Whytoinstall100%statorgroundingprotectionforlargegenerator?Whydoesnotallowru
5、nningsecondaryshortcircuit?Generatorexcitation,excited,whatistheoftheoverexcitationlimit?Generatorlossofexcitationintherunning,whatistheimpactonthesystemandthegeneratoritself?Anti-cuozhongonthepreventionofexcitationsystemofgeneratorcausedbyfaultwhatdam
6、age?trydiscussingwhatarethemeasuresofimprovingpowersystemdynamicstability?Whatisaswitchingoperationoftheelectricalequipment?maincontentswitchingoperationofpowerplantsandpowersystemsarethere?Trydiscussingmalignantelectricmisoperation,whichmisusepersonal
7、,mostoftheequipment?Switchservicepowerfastcuttingdeviceinseveralways?inthealternatetotheState,thestandbypowerswitchrefusedtodealwith?Trydiscussingswitchingoperationsshouldfocusonpreventingmisoperationaccident?Newoperationoraftermajorrepairoftransformer
8、swhytest?TrydiscussingstepsmeasuredwithaMeggerinsulationresistanceofelectricalequipment?LumethodisusedtofindDCgroundingconsiderationarewhat?whentherearetwopointgroundingwiththepolarityshouldbe...1.600MWsupercriticalsupplementaryquestion
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