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    摘要: 电力电子技术的发展,一方面方便变换和功率应用,同时给电力系统带来了电能质量问题更为严重,谐波问题,如电压波动和不平衡。有源电力滤波器 (ActivePowerFilter, APF)是一种补偿谐波电流和无功功率的现代电力电子设备,对比其他无源滤波等装置有不可比拟的优势。本文选择三相并联型有源电力滤波器作为研究对象。利用Matlab仿真软件搭建仿真模型,重点研究了谐波电流检测方法和电流跟踪控制策略。55457

    本文介绍了有源电力滤波器的分类及其基本工作原理。通过计算有源电力滤波器的主要参数来选择主电路电力电子器件。研究了谐波和无功电流检测,并用Matlab对ip-iq检测法进行仿真,分析了有源电力滤波器ip-iq法中的补偿情况和适用范围。最后,通过无差拍控制原理对有源电力滤波器实现仿真,分析得出无差拍控制原理对电流控制的补偿情况。

    毕业论文关键词:有源电力滤波器,电流控制,ip-iq法

    Abstract:The rapid development of power electronics technology, on the one hand to the transformation and application of electric power has brought convenience, on the other hand, has brought the power quality is a serious problem to the power system, such as harmonic pollution, no power, voltage fluctuation and unbalance. ActivePower Filter (APF) is one kind of modern power electronics equipment which can compensate harmonic current and reactive power. This paper chooses three phase shunt APF to study. The thesisbuilds simulation model of APF using Matlab software, and focuses on the harmonic.

    In this thesis, the classification and basic working principle of active power filter are mainly introduced. The main circuit of the power electronic devices are selected through the way of calculating the main parameters of the active power filter.Several methods of measuring harmonic and reactive power current are introduced and compared in this paper and MATLAB is employed to make the simulation for ip-iq method .At the same time, the compensation of active power filter ip-iq method and scope of application are analyzed also. Finally, through the deadbeat control principle of active power filter based on Simulation, the deadbeat control principle of compensation current control can be analyzed.

    Keywords:activepowerfilter,current control,ip-iq method

    目录

    1  绪 论 4

    1.1谐波及其抑制 4

    1.2本课题研究内容 6

    2  有源电力滤波器技术基础 7

    2.1有源电力滤波器的分类 7

    2.2并联型有源电力滤波器的基本工作原理 9

    3  有源电力滤波器主电路主要参数计算 10

    3.1主电路电力电子器件的选择 10

    3.2主电路直流侧电压的计算和电容的选取 11

    3.3主电路交流侧电抗器的选取 12

    4谐波和无功电流检测及仿真 13

    4.1瞬时无功功率理论基础及其发展 14

    4.2电流检测方法仿真实现图 19

    4.3 ip-iq法的仿真结果 21

    5  有源电力滤波器电流控制及仿真 23

    5.1电流控制原理的类别 23

    5.2电流控制方法的仿真实现电路 26

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