基于混沌载波优化及行波多分辨理论的输电网故障诊断

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1、ABSTRACTPowerconsumersarerequestingmoreonreliabili吼whilethenetworkfaultisinevitableduetothereasonsofoperation，maintenance，insulationandeta1．Fastfaultdiagnosisandeliminationcanenhancethespeedofexamine，repairandrestoration，aswellasoperationstabilityandreliability,whichleadstomorenationalprofits．

2、Therefore，IEEEPES2004conferencebringsforwardtheconceptofintelligentfaultdiagnosisdefinitelywhichmakesoutthatoptimalfaultdiagnosissystemconstructionisanall-importantworkfordispatcherstojudgefaultsection，faulttypesandfaultlocationusingallkindsofalarmsandelectricalparameters．Thisdissertationsprea

3、dstheworkfromtwoaspects，‘‘examination'’and‘Judgment”offaults，whichincludesthreemainparts．Firstly,self-customizedchaoticoptimizationarithmeticisputforwardtoseekfaultsectionbyprotectionorbreakerinformation．Secondly,onenovelmodularcriterionisprovidedtorecognizethefaulttypecomparedwiththetradition

4、almethod．Intheend，severalcountermeasuresarepresentedaccordingtothefaultlocation．Detailworkissummarizedasthefollowing．I．Regardingthefaultsectiondiagnosisasakindof0-1integerprogrammingproblem，thedissertationfetchesint11econce：ptofchaoticoptimizationandfirstlyputsforwardself-customizedcarrierwave

5、mappingforconsecutivevariablestoapplyinthisproblem．Thesimulationresultsindicatet11atthismetllodcanovercomethe1imitationsof仃aditionalalgorithmsandcanbeeasilytobeon-lineutilized．2．Thefaultwaveformcourseisexpatiatedfromtheviewpointofenergy．Themethodofpracticalasymmetricaldecouplingisprposedtoelim

6、inatetheinteractionsbetweenphases．Subsequently,itisalsoprovidedofthereflectionandrefractionofwaveformatthenodeoffaultpointorbuses，andequivalencetransmissionruleofmulti-linesbusnodes．3．Themultipleresolutionanalysistheoryandtheconceptofaverageanddetailarebroughtforwardfromthepracticalprojectleve

7、l，whichdescribesthelow·frequencycomponentsandhigh-frequencyonesoftransientsignals．Thewaveletsolutionfortransientanalysisisalsopresentedandwaveletfunctionselectioninsomepapersissuspected．4．Afteranalyzingthepromulgationlawofinteractionbet