| 基于改进卡尔曼滤波器的谐波检测方法 |
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| 引用本文： | 杨磊,施火泉,邹嘉丰.基于改进卡尔曼滤波器的谐波检测方法[J].电子测量技术,2017,40(1):81-85. |
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| 作者姓名： | 杨磊 施火泉 邹嘉丰 |
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| 作者单位： | 江南大学物联网工程学院 无锡214112 |
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| 摘 要： | 电力系统谐波问题日益严重且复杂,有效地对谐波进行检测已成为电能质量监测终端的一项基本要求.采用一种基于改进卡尔曼滤波器的谐波检测方法,利用卡尔曼滤波器在动态检测方面的优势,结合改进相位、频率的跟踪性能,可以简单、快速、准确的得到基波和谐波的各项参数.并且此方法可以检测到受闪变扰动时的基波和谐波成分,可获得闪变调制波的基本参数.建立了基于改进卡尔曼滤波器的谐波检测数学模型,并利用MATLAB仿真平台验证了该方法的性能.
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| 关 键 词： | 谐波检测 卡尔曼滤波器 闪变扰动 |
Harmonic detection method based on improved Calman filter |
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| Yang Lei,Shi Huoquan and Zou Jiafeng.Harmonic detection method based on improved Calman filter[J].Electronic Measurement Technology,2017,40(1):81-85. |
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| Authors: | Yang Lei Shi Huoquan and Zou Jiafeng |
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| Affiliation: | School of Internet of Things Engineering,Jiangnan University, Wuxi 214122, China,School of Internet of Things Engineering,Jiangnan University, Wuxi 214122, China and School of Internet of Things Engineering,Jiangnan University, Wuxi 214122, China |
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| Abstract: | The problem of power system harmonics is more and more serious and complex,and the effective detection of harmonics has become a basic requirement of power quality monitoring terminal.Adopts a method based on improved Kalman filter for harmonic and flicker detection.The advantage of Kalman filter on dynamic detection combined with improved phase and frequency tracking performance can obtain the parameters of the fundamental and harmonics simply,quickly and accurately.Besides,this method can detect the fundamental and harmonic components with the flicker disturbance,and obtain the basic parameters of the flicker wave.A mathematical model of harmonic detection based on improved Kalman filter algorithm is established,and the performance of the proposed method is verified by the Matlab simulation platform. |
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| Keywords: | harmonic detection Kalman filter flicker disturbance |
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