摘要
提出一种基于自适应噪声对消技术的谐波电流检测方法。简单介绍了自适应噪声对消技术;详细分析了自适应谐波电流检测电路的原理,此电路具有二阶自适应陷波器的特性;并利用MATLAB中的Simulink对所提出的检测系统建立了仿真模型,给出了仿真波形。仿真结果验证了自适应谐波电流检测方法的有效性。这种检测方法具有检测电路简单,自适应能力良好,动态响应特性较好,检测精度较高等优点。
An adaptive harmonic current detecting method based on the adaptive noise canceling technology is presented. The adaptive noise canceling technology is briefly introduced and the detecting circuit is analyzed. The propped circuit is an ideal second-order notch filter. A simulation model of the propped detect- ing system is put forward using MATLAB and the simulation curves are given. The simulation results verify the validity of the adaptive harmonic current detecting method. The advantages of the detecting method are simple detecting circuit, better adaptive ability, faster dynamic response and higher detecting precision and so on.
出处
《电力科学与工程》
2005年第3期8-11,共4页
Electric Power Science and Engineering
关键词
谐波
自适应噪声对消技术
检测
harmonic
the adaptive noise canceling technology
detection
