Protection Computers or Protection Relays 英文文献资料

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1、2010ChinaInternationalConferenceonElectricityDistribution1ProtectionComputersorProtectionRelays?12XinSun,MilesRedfernDepartmentofElectronic&ElectricalEngineering,BathUniversity,UnitedKingdom12E-MAIL:xs210@bath.ac.uk,M.A.Redfern@bath.ac.ukAbstract:There

2、centlyintroducedcommunicationsstandardthoseconcernedwithcomputersratherthanthesubtletiesofIEC61850ishavingamajorimpactonthestructureofnewpowersystems.Undeniably,modernrelaydesignsarebasedprotectionsystemsandschemes.Initselfitdescribestheonmicrocomputer

3、sandtheenvironmentdominatedbyconceptsforsub-stationcommunicationscoveringprotection,computertypesystems.controlandmeteringfunctions.However,althoughitisgoingSincethemid1970s,creativeengineershavesoughttohaveamajorimpactonthepowersystemscommunications,w

4、aysofusingmicroprocessorstoimprovethecontrol,itwillalsoinfluencethedesignoffutureprotectionsystems.protection,andmonitoringofpowersubstations.ThishasHowareprotectionsystemsgoingtodevelopinlightofledtotherapiddevelopmentofmodernmicroprocessorIEC61850?Wi

5、llthesebeprotectioncomputersorprotectionrelays.Themicroprocessorscombinetheadvantagesofrelays?TheaimofIEC61850istoreducecosts,respondtothesemiconductortechnologywiththeflexibilityofthedigitalincreasingdemandsforcommunicationsandtoprovideforcomputer.Sof

6、twarealsooffersconsiderableflexibilityinstandardprotocolsavailablefromdifferentmanufacturers.Ittheimplementationofprotectionalgorithms,schemelogicsaimstoprovideforfuture-proofedequipment,interoperabilityandthepossibilityofswitchingselectableoperatingof

7、equipmentfromdifferentmanufacturersandeasingthecharacteristicsandschemelogics.Hardwareprovidesformanagementoffuturepowersystemsub-stationequipment.generalpurposesystemandstandardisedprotectionTherewillalsobeahostofotheropportunitiesandplatforms.Micropr

8、ocessorsenablerelaystobemodifiedtoadvantagesthatcanberealised.Theseincludeeasierrepair,meetnewandvariedcustomerrequirementsbychangingrefurbishmentandreplacementofprotection.Theyalsothesoftwarewithouttheneedtoredesignthehardware.providef