基于DSP的单相有源电力滤波器的研究与设计

摘要

首先介绍了单相有源电力滤波器的基本原理与系统结构，然后阐述了基于鉴相原理的谐波检测方法与系统总体的控制策略。针对有源电力滤波器高速，精确的要求，利用高速浮点数字信号处理芯片 TMS320F28335作为主控器，设计了一套全新的单相有源电力滤波器，文中给出具体的硬件设计和软件流程。最后，通过实验表明，本文所设计的系统正确性和有效性。%Firstly, the basic principle of single-phase active power filter is introduced. Then It analyzes the harmonic detection method based phase distinguishing technology and the control strategy of system. Aiming at the high speed and precision requirements of the active power filter, a new single-phase active power filter is designed by using the high speed floating point digital signal processing chip TMS320F28335. Specific hardware design and software flow are given in this paper. Finally, experiments show that the design of the system is correct and effective.