現(xiàn)代行波測距技術(shù)研究及應(yīng)用

1、哈爾濱理工大學(xué)碩士學(xué)位論文現(xiàn)代行波測距技術(shù)研究及應(yīng)用姓名：李曉波申請學(xué)位級別：碩士專業(yè)：電氣工程指導(dǎo)教師：李忠華李貴軍20060901哈爾濱理工大學(xué)工程碩士學(xué)位論文StudyandApplicationofModernTravelingWaveDistanceMeasuringTechnologyAbstractTheeconomicandreliableoperationofpowersystemrequiresanexactandf

2、astdeterminationofthepointwhereafaultOCCUISAmethodofquicklyandaccuratelylocatingtransmissionlinefaultshasbeenamuch—desiredtoolforcontrolcenteroperatorsandtherepaircrewsItisalsoanimportantresearchareainelectricalengineeri

3、ngTravelingwaveisamutationandsingnlaritysignalAboveall，workingprinciplesoftransmissionlinefaultlocationtechniquesbasedonfaultgeneratedvoltageandcurrenttravelingwavesareintroducedbythethesisTypeAfaultlocationtechniquemeas

4、urestimedelaybetweenthefirstandsecondsurgefaultpointTypeDmeasuresarrivingtimeoffaultinitiatedsurgeatbothendsofthemonitoredlineTypeEmeasurestimedelayofreflectionfaultpointtothesurgeinjectedbycircuitbreakerenclosingNextsom

5、ekeytechniques，suchasmeasurementoffaultgeneratedtravelingwavesignals，superhighspeedrecords，waveletdetectionoftravelingwavepulsesandtheprecisetimesynchronismofdoubleendequipment，arediscussedThensomeproblemsfrompracticalap

6、plicationofdistancefindingtechniquesoftravelingwavearepresentedFinallythestructureandoperatingprincipleofmodemfaultlocatoroftransmissionlinebasedontravelingwavesareanalyzedTheoperatingexperienceofXC一2000typefaultlocatoro

7、ftransmissionisalsosummarizedSecondarycurrentofthetraditionalcurrenttransformerisdirectlycollectedandthreedifferentlocationprinciples(typeA，typeDandtypeE)CallbeimplementedbythelocatorKeywordstravelingwave；faultlocation；t