the study of protection coordination technology in power system based on multi-agent

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1、ThestudyofprotectioncoordinationtechnologyinpowersystembasedonMulti-Agent控制管理文章编号:1008—0s70(2007)12—3—0021—03ThestudyofprotectioncoordinationtechnologyinpowersystembasedonMulti-AgentCHENZHENYUAbstract:ThispaperstudiesmainlyhowtomakeuseofMulti——Agenttec

2、hnologytosolvethecomplexproblemswhicharecausedbyunsuitableCOOrdinationbetweenprotectionanduntimelyactionandprotectionfaultactivityinlargepowersystem,andrealizestimelythecoordinationamongprotectionseffectivelyinwhenlosingsomeorallinformation.Thusitoverc

3、omesthedifficultofsolvingsingleorsborerangeirflbrmation,enhancescorrespondandcoordinationamongtheintelligentplotectAgent,raisesthestableandreliableproperty,andpromotestheprocessofpowernetworkforlargearea.KeyWords:Artificialintelligence,Multi-Agenttechn

4、ology,Largepowersystem,ProtectioncoordinationCLCnumber:TP39Documentcode:B1IntroductionWiththerapiddevelopmentofpowersysteminChina,threemainpowersystemsincludingthecentral,southernandnorthernpowersystemwillbeformedby2010andthewholeareapowernetworkofthec

5、ountrywillformedby2020excepttheareaofXizang,XinjiangandTaiwan,thewater-electrityprojectof"westelectricitysendtotheeast"andthecoal-electricityprojectof"northelectricitysendtothesouth"willhavebeencompleted.ACandDCtransmitpowernetworksystemwithbigcapacita

6、nceandfardistancewillplayaveryimportantroleifitcanensurethesaferunningofthepowersystemandthecoordinationamongdifferentprotections.ThepowercutaccidentinbigareasofAmericaandCanadaonAugust15th,2003whichcausedbytheunappropriateprotectionactsaffectedthenorm

7、allivesof50millionpeopledi—rectlyandcausedgreatecononficlossandsocialinfluence.Soatwhiletheelectricpowersystemscaleisextendingcon—tinuously,therequestoftherelayprotectivecredibilityisgettinghigherandhigherandthematchandcoordinationbetweentheprotections

8、insystemarealsobecomingmoreandmoreimportant,butsomeproblealsofthepowersystemhaventyetbeenresolvedeffectivelyatpresent.Forexample,thecredibilityofautomaticadaptationislow.althoughit(:anadjustthefunctionofprotectionaccodingtotherunningsit