电力系统谐波及检测方法的研究

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1、…………………….……………….…………………山东农业大学毕业论文电力系统谐波及检测方法的研究院部机械与电子工程学院专业班级电气班届次学生姓名学号指导教师年月日装订线……………….…….………….………….………3030目录摘要IIAbstractII1引言21.1课题研究背景与意义21.2谐波检测方法及其发展过程21.3谐波检测的发展趋势21.4谐波的常见抑制方法21.5本文的写作内容22谐波相关知识的介绍22.1谐波的定义22.2谐波的数学表达22.3谐波的指标22.4谐波的产生22.5谐波的危害22.6谐波治理标准2

2、3谐波的常见治理方法23.1加装无源滤波器（PPF，passivepowerfilter）23.1.1无源滤波器的定义及分类23.1.2无源滤波器治理谐波的原理23.1.3无源滤波器的优缺点23.2装设静止无功补偿装置23.2.1静止无功补偿器的概述23.2.2静止无功补偿器的分类23.2.3静止无功补偿器的应用23.3有源电力滤波器补偿法23.3.1有源滤波器的特点及分类23.3.2有源滤波器的基本原理24谐波检测方法24.1模拟滤波器法24.2小波变换法24.3基于人工神经网络的谐波检测法24.4基于傅里叶变换的谐波检

3、测法24.4.1傅里叶变换检测法的原理24.4.2傅里叶变换的谐波检测的优缺点24.4.3FFT应用实例24.5三相电路瞬时无功功率理论24.5.1基于瞬时无功功率理论的p-q谐波检测法24.5.2基于瞬时无功功率理论的ip-iq谐波检测法25基于瞬时无功理论的p-q法的仿真2参考文献2致谢2附录2830ContentsAbstractII1Introduction21.1Researchbackgroundandmeaning21.2Harmonicdetectingmethodanditsdevelopmentproc

4、ess21.3Thedevelopmenttrendofharmonicdetection21.4Commonharmonicssuppressionmethods21.5Thecontentofthisartical22Introductiontoharmonicknowledge22.1Definitionofaharmonic22.2Mathematicalexpressionofharmonic22.3Harmonicindicators22.4Harmonicgeneration22.5Harmofharmoni

5、c22.6Harmonicstandards23TheCommonmethodsofharmoniccontrolling23.1Installationofpassivefilter23.1.1Definitionandclassificationofpassivefilters23.1.2Theprincipleofpassivepowerfilterharmonic23.1.3Advantagesanddisadvantagesofpassivepowerfilter23.2Installationofstaticv

6、arcompensationdevice23.2.1Anoverviewofstaticvarcompensator23.2.2Classificationofstaticvarcompensator23.2.3Applicationofstaticvarcompensator23.3Compensationmethodofactivepowerfilter23.3.1CharacteristicsandclassificationofAPF23.3.2Basicprinciplesofactivepowerfilter2

7、4Harmonicdetectingmethod124.1Methodofanalogfilters24.2Wavelettransformmethod24.3Harmonicdetectionmethodbasedonartificialneuralnetwork24.4HarmonicdetectionmethodbasedonFouriertransform24.4.1PrincipleofFouriertransformmethod24.4.2AdvantageanddisadvantageofFouriertra

8、nsform24.4.3FFTapplicationexamples24.5Three-phasecircuitinstantaneousreactivepowertheory24.5.1P-Qharmonicdetectionmethod24.5.2ip-iqharmonicdetectionmeth