简介：Theboilerisoneofthekeypartsofpowerstation.Monitoringtheoperationoftheboilerautomatically,continuouslyandaccuratelyisveryimportant.Incaseofmalfunctions,anexpertsystemmightbehelpfultofindthesourcesoffaults,andthereafterwillassisttheoperatortoactcorrectlyandtopreventthefaultfromfurtherdevelopment.Inthispaper,asimulationstudyofanexpertsystem,whichcandiagnosetherunningfaultsofboilersystem,isconducted.Shallowanddeeptwo-layerknowledgebasestructureisusedinthistwolayersofknowledgebase.So.thiskindofexpertsystemcanovercomethedisadvantagesoftheoldtypesofexpertsystems,whichareonlyabletodealwithexperiencerulesbase.Asimulatorofpowerboilerisusedfortheresearchonfaultdiagnoseexpertsystem.Thisboilersimulatorgivesallnecessaryinformationforthediagnosis.Theknowledgebaseofexpertsystemisbuiltinhierarchies,sothespeedofreasoningmaybeinvreased.Afterthereasoningthesys

简介：Withthecommissioningofthe750-kVHexipowertransmissionandtransformationproject,thefirststageofthe10-GWclassJiuquanWindPowerBaseprojectwascompletedandputintooperationthisyear.However,disconnectionsinvolvingsomewindturbinestookplacequiteafewtimesinJiuquanrecently,whichhavecausedsignificantimpactsonthepowergridanddrawnextensiveattentionsbothdomesticallyandabroad.TakethetypicalfaultsinJiuquanforexamples,thebasicsituationsarepresentedandthecausesofthefaultonFebruary24thareanalyzed.Thenthecorrespondingsolutionsareputforwardafterwards.