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1、外文资料IntegratedAutomationofPowerPlantElectricalSystemAbstract:Electricalsystem for powerplant automationlevelof therelativelybackward state,thepaper analyzesthe electricalsystem inpowerplant automationtechnology in anintegrated feasibility,necessity,and sev
2、eralkeyissues, proposed theuseof fieldbus technology,newideas,andgives Specific implementationplans.Keywords:PlantelectricalsystemFieldbus control wiresystemIntegratedAutomation1 IntroductionIntegratedautomationtechnologyhasbeenappliedinpowersystemsubstati
3、ons,anddecentralizedanddistributedtechnology[1]iswidelyusedinintegratedautomationsystem.Comparedtothecentralizedtechnology，thistechnologyhasmanyadvantagessuchassimpleandflexiblestructure,highreliability,convenientinstallationandlowcostofmaintenance.However
4、,integratedautomationtechnologyhasnotbeenwidelyusedinpowerplantelectricalsystem.Protectiverelayandsecuritydevicesofelectricalsystemruninaself9-governedstate，whichhaven’tformedanintegratedelectricalautomationsystem.ThereforeThemanagingandmaintaininglevelhan
5、gbehind.Latterlymoreandmorepowerplants,especiallythosenewlyconstructedareinterestedintheautomationofpowerplantelectricalsystemanditsrelationshipwithtraditionaldistributedcontrolsystem(DCS).Thispaperanalyzestheactualityofpowerplantelectricalsystem,bringsout
6、anewidealofapplicationofmicrocomputer9-basedintegratedautomationtechnologytopowerplantelectricalsystem,andgivesconcreterealizationoftheprogram.2 ThestatusofpowerplantelectricalsystemTheelectricalsystemdiscussedinthispaperismainlyreferredtotheprotection,mea
7、surement,controlandautomaticdevicesofsecondarysystem.Mainprotectiondevicesincludegeneratorprotection,maintransformerprotectionandstartup/standbytransformerprotection.Automaticdevicesincludeautomaticregulatorvoltage(AVR),automatictransferswitch(ATS),faultky
8、mographandprotectionincludeshigh-voltagemotorlow-voltagesystemincludesauto-low-voltageintelligentmotorprotector,breaker,DCsystem,etc[2]watersystemarenotincluded.Thecharacteristicsofelectricalsystem[3]operatio
