2016年建筑材料采购合同范本[1]经典模板

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1、there?Afterignition,combustionshouldfocusitsattentiononwhat?Reducingboilerhotlossmeasures?DC-whatarethemaincharacteristicsoftheboiler?BoilersteamafterBaoBiwenhow?whenshutdowntocontrolsteamdrumwalltemperaturedifference?Fromarunstandpoint,whatarethemainmeasurestored

2、ucecoalconsumptionforpowersupply?Talkabouthowtocontrolthewaterlevel?Generatoraftersplitting,6KVwhytopromptlyexitthestandbypowerswitch?Whythecurrenttransformersecondarysideintheoperationarenotallowedtoopen?Whysynchronousgeneratorexcitationcircuitofthedegaussingswit

3、chcanbechangedintoalivelybreaker?Generatorstep-upprocess,whytherotorandstatorcurrentstomonitor?Whyarerotoronepointgroundproneto2ndafterground?Try380Vdiscussedfollowingthegroundingofauxiliarypowersystem,wiringforthree-phasefive-limbterminalofPTsecondaryvoltagechang

4、e?Generatorincompletephaseoperationprincipleiswhat?Yn,d11(Y0/-11)connectionofgenerator-transformersystems,generatoropen-phaserunninganyhelp?Whytoinstall100%statorgroundingprotectionforlargegenerator?Whydoesnotallowrunningsecondaryshortcircuit?Generatorexcitation,e

5、xcited,whatistheoftheoverexcitationlimit?Generatorlossofexcitationintherunning,whatistheimpactonthesystemandthegeneratoritself?Anti-cuozhongonthepreventionofexcitationsystemofgeneratorcausedbyfaultwhatdamage?trydiscussingwhatarethemeasuresofimprovingpowersystemdyn

6、amicstability?Whatisaswitchingoperationoftheelectricalequipment?maincontentswitchingoperationofpowerplantsandpowersystemsarethere?Trydiscussingmalignantelectricmisoperation,whichmisusepersonal,mostoftheequipment?Switchservicepowerfastcuttingdeviceinseveralways?int

7、healternatetotheState,thestandbypowerswitchrefusedtodealwith?Trydiscussingswitchingoperationsshouldfocusonpreventingmisoperationaccident?Newoperationoraftermajorrepairoftransformerswhytest?TrydiscussingstepsmeasuredwithaMeggerinsulationresistanceofelectricalequipm

8、ent?LumethodisusedtofindDCgroundingconsiderationarewhat?whentherearetwopointgroundingwiththepolarityshouldbe...1.600MWsupercriticalsupplementaryquestion