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并联有源电力滤波器的研究

时间:2019-10-11 21:05来源:毕业论文
对有源电力滤波器的各个年代的发展状况,算法理论和软硬件开发进行细致的探讨。对基于三相瞬时无功功率理论的p-q法和 法进行了分析,对三角波载波线性控制法和电流滞环跟踪控制

摘要电网中的许多负荷具有非线性,会使电网电压发生变形,对各种电力元件造成重大打击。上个世纪70年代,人们开发了新型的谐波补偿完备系统,即有源电力滤波器。它在当今电力电子开发领域的地位举足轻重。39871
本文对有源电力滤波器的各个年代的发展状况,算法理论和软硬件开发进行细致的探讨。对基于三相瞬时无功功率理论的p-q法和 法进行了分析,对三角波载波线性控制法和电流滞环跟踪控制法进行了研究,在理论上筛选了谐波电流检测和补偿电流控制的方法作为本文的控制方法。
在理论分析的基础上,先是进行了硬件电路的设计,可分为主电路设计,控制电路设计,电压采样调理电路设计,数模转换电路设计等;最后进行了软件流程的设计,包括主程序的设计,谐波计算程序的设计,采样子程序的设计以及软启动程序的设计,由此完成了以高速数字信号处理器为核心的并联型电力有源滤波器的完整设计。
毕业论文关键词: 有源电力滤波器 瞬时无功功率 谐波电流 DSP
Abstract   With the fleet development of the power electronics , a lot of fields have used power electronic device in their system . Owing to a lot of nonlinear loads , the pollution in power grid is now more and more serious , the harmonic compensation has now become the focus of scientists . The active power filter , which is now a new type harmonic compensation device , was once brought out in 1970's . Today research topic which relating to active power filters has become one of the most fashionable topics in the filed of power electronic technology . 源`自<六:维*论-文>网/www.lwfree.cn
    In this paper the development condition of the active power filters , the arithmetic , hardware and software of active power filters are deep-going researched . Then the p-q method and the Ip-Iq method are brought into comparison , which are based on instantaneous reactive power theory . At the same time , the triangular carrier waveform control and hysteresis-based current control which belong to one of the control strategies have been brought into comparison .
On the base of theoretical analysis , with the accomplish of the arithmetic,hardware and software designing , the active power filter which is based on the topology of parallel connection has been designed in its entirety . This designing is based on TMS320F2812 , which is one of the most popular DSP in engineering .
 Key word:Active power filters  Instantaneous reactive power Harmonic current  DSP
          目 录
摘  要    I
Abstract    II
1 绪论    1
  1.1 谐波问题及其危害    1
  1.2 谐波的抑制    1
  1.3 有源电力滤波器的发展状况    2
  1.4 本文研究的内容和目的    3
2 有源电力滤波器分类和工作原理    4
  2.1 有源电力滤波器的分类    4
  2.2 并联有源电力滤波器结构及原理    5
  2.3 并联有源电力滤波器的特点    6
  2.4 本章小结    6
3 有源电力滤波器谐波的检测及相关控制    7
  3.1 常见谐波电流检测方法的各自特点    7
  3.2 谐波指令的提取与瞬时无功功率理论    8
  3.3 有源电力滤波器补偿电流的控制    11 源`自<六:维*论-文>网/www.lwfree.cn
  3.4 本章小结    13
4 并联有源电力滤波器硬件设计    14
  4.1 系统总体结构    14
  4.2 系统主电路设计    15
  4.3 控制电路设计    17 并联有源电力滤波器的研究:http://www.lwfree.cn/zidonghua/20191011/40568.html
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