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基于改进卡尔曼滤波器的电力系统谐波估计研究

Abstract第4-5页
摘要第6-9页
1 Introduction第9-11页
    1.1 Electrical Power Quality Concerns第9页
    1.2 Research Objectives第9页
    1.3 Research Significance第9-10页
    1.4 Organization第10-11页
2 Fundamental Theory of Harmonic and Estimation Techniques第11-22页
    2.1 Harmonic as a Power Quality Problem第11-18页
        2.1.1 Harmonic Theory第11-14页
        2.1.2 Sources of Harmonics第14页
        2.1.3 Harmonic Effects第14-15页
        2.1.4 Characteristic of Harmonic in Power Distribution Systems第15页
        2.1.5 Mitigation Techniques of Harmonic第15-18页
    2.2 Review on Harmonic Estimation Technique第18-22页
        2.2.1 Harmonic Estimation using Discrete Fourier Transform第18-19页
        2.2.2 Artificial Neural Networks for Harmonic Estimation第19-22页
3 Kalman Filter, Modeling and Improvement第22-36页
    3.1 Overview第22-24页
        3.1.1 Significance of Kalman Filter Application in State Estimation of Electrical Power System Dynamics第22-23页
        3.1.2 IEEE Standardization of Voltage Supply to Critical Electrical Loads第23-24页
    3.2 Kalman Filtering Indices第24-26页
        3.2.1 Random Linear Continuous System Mathematical Models and its Discretization第24-25页
        3.2.2 Kalman Filtering Fundamental Equation of Nonlinear Discrete System第25-26页
    3.3 Modelling of Time-Varying Quantity into State Variable Form第26-30页
        3.3.1 Case 1: Ideal Situation第27-28页
        3.3.2 Case 2: A Signal without Decaying DC Component第28-29页
        3.3.3 Case 3: A Signal with Decaying DC Component and Artificial Noise第29-30页
    3.4 Improvement of Kalman Gain第30-32页
    3.5 Filter Response第32-33页
    3.6 Dependency of SRF-KF Algorithm on the Sampling Frequency第33-36页
4 Simulation Results and Comparison第36-48页
    4.1 Experimental Parametric Design第36页
    4.2 Simulation Analysis第36-48页
        4.2.1 Case (1)第36-37页
        4.2.2 Case (2)第37页
        4.2.3 Case (3)第37-47页
        4.2.4 Application in the Power Field of Electrical Engineering第47-48页
Conclusion and Future Work第48-49页
    Conclusion第48页
    Future Work第48-49页
Acknowledgements第49-50页
References第50-57页
Appendix (A) Recursive Sequential Computation by Kalman Algorithm第57-58页
Appendix (B) Per Unit Quantities第58-60页
Appendix (C) System Parameters第60-61页
List of Publications第61页
    1. Journal Papers第61页

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