An Adaptive mimic filter — Based algorithm for the detections of CT saturations

C. Yu, Zong-Sian Wu, Joe-Air Jiang
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引用次数: 5

Abstract

An adaptive mimic filter-based algorithm for detecting the saturation of Current Transformers (CTs) has been presented and implemented in this paper. First, an adaptive method was developed for obtaining the line impedance of a digital mimic filter. The variations of the obtained line impedance were then used to detect the CT saturations. By using the proposed algorithm, the saturation period of a current waveform can be accurately detected. This paper finally utilized the MATLAB/SIMULINK software and a DSP-based environment to verify the proposed algorithm. Test results show the proposed algorithm can accurately detect the CT saturations.
基于自适应模拟滤波的CT饱和度检测算法
本文提出并实现了一种基于自适应模拟滤波器的电流互感器饱和检测算法。首先,提出了一种获取数字模拟滤波器线阻抗的自适应方法。得到的线阻抗的变化被用来检测CT饱和度。利用该算法可以准确地检测出电流波形的饱和周期。本文最后利用MATLAB/SIMULINK软件和基于dsp的环境对所提出的算法进行了验证。实验结果表明,该算法能够准确地检测出CT饱和度。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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