| 改进型自适应陷波器电力系统频率估计方法 |
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| 引用本文： | 刘欢,褚建新,俞万能.改进型自适应陷波器电力系统频率估计方法[J].上海海事大学学报,2007,28(3):24-27. |
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| 作者姓名： | 刘欢 褚建新 俞万能 |
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| 作者单位： | 上海海事大学,航运仿真中心,上海,200135 |
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| 基金项目： | 上海市登山计划重大科技项目 |
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| 摘 要： | 提出一个基于改进型自适应陷波器频率估计算法,并对自适应陷波器的参数配置进行分析.当电网谐波较大时,对电压或电流的采样信号和频率估计输出值进行数字滤波,以实时、准确地解决电力系统频率跟踪与估计问题.该方法的优点是结构简单、频率估计精确度高、响应速度快、噪声以及谐波的免疫力相当强.
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| 关 键 词： | 自适应陷波器 频率估计 级联滤波 电网 |
| 文章编号： | 1672-9498(2007)03-0024-04 |
| 修稿时间： | 2006-11-28 |
Accurate estimation of power system frequency using a modified adaptive notch filter |
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| LIU Huan,CHU Jianxin,YU Wanneng.Accurate estimation of power system frequency using a modified adaptive notch filter[J].Journal of Shanghai Maritime University,2007,28(3):24-27. |
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| Authors: | LIU Huan CHU Jianxin YU Wanneng |
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| Institution: | Marine Simulation Center, Shanghai Maritime University, Shanghai 200135, China |
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| Abstract: | A method is proposed to estimate the frequency of power system based on the concept of modified Adaptive Notch Filter(ANF).The way to set the parameters is also discussed.In the condition with serious harmonic distortion,the digital filter is applied to make it possible to achieve real time and precise measurement of frequency in power system.Simple structure,high precision,fast response,and immunity against noise and harmonic wave are the advantages of this method. |
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| Keywords: | adaptive notch filter frequency estimation cascaded filter power system |
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