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ID:36813414
大小:2.18 MB
页数:62页
时间:2019-05-15
《广域相量测量装置中相量测量精度的研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、关键词:广域测量系统,相量测量,自适应卡尔曼滤波,MatlabABSTRACTInthisthesisthesignificanceandprogressofthewideareaphasormeasurementareintroducedatfirst,anditsapplicationinthepowersystemispresentedatthesametime.Thenthewideareameasurementsystemstructureandthestructureofphasormeasurementunitframeworkandmodularstructur
2、eareintroduced.Inturn,thezero·crossingdetectionmethodandtheDFTalgorithmarediscussedindetail,andtheadvantagesanddisadvantagesofbothmethodsareanalyzed.AtthesametimethecalculationofrecursiveFourieralgorithmispresented,andamodifiedrecursivealgorithmispresentedthroughtransformation.Finally,Kalman
3、filteringalgorithmisintroducedinthispaper,andaself-adaptiveKalmanfilteringalgorithmispresented.ThentheinputsignalmodelofPowerSystemisconstructedandbesimulatedbyMatlabsoftware.Theanalysisshowedthatthealgorithmhasfastercomputationspeedandhigherprecision.WuShaojie(Circuitsandsystem)Directedbypr
4、of.LiYueqiaoKEYWORDS:wideareameasurement,phasormeasurement,self-adaptiveKalmanfiltering,Matlab位论文..⋯.⋯.⋯..⋯..⋯⋯⋯..⋯.⋯⋯⋯.⋯.⋯⋯.⋯⋯.1⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..1⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..:!⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..:I⋯.⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯.:;⋯.⋯⋯⋯.⋯...⋯⋯⋯⋯.....⋯...⋯⋯⋯⋯⋯..⋯.⋯⋯⋯.4...............
5、.⋯⋯⋯............⋯....⋯...........⋯.........⋯.4.⋯⋯⋯⋯⋯....⋯⋯⋯⋯⋯⋯⋯.⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..4⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯.⋯⋯⋯⋯⋯⋯⋯..(;2.1广域相量测量系统的结构⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯.62.1.1WAMS基本结构⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..62.1.2系统结构⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯82.1.3PMU的行点⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..102.2相量测量装置(PMU)的结构⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯
6、⋯..112.2.1相量测量装置(PMU)的结构框架⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯112.2.2相量测量装置(PMU)的模块化结构⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯ll第三章相量测量原理及算法研究⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..153.1引言⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯153.2信号过零检测法⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯153.3离散傅立叶算法⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..163.3.1常规离散傅立叶算法⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯.163.3.2递推离
7、散傅立叶算法⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯.18:3.3.3改进型离散傅立叶算法⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯.193.3.4改进型离散傅立叶算法的频率测量⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯.21第四章卡尔曼滤波算法及其发展⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..234.1引言‘⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯.234.2卡尔曼滤波理论⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯244.2.1
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