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基于正弦波波形的电网电压监测

发表时间:2018-01-31  浏览量:228  下载量:57
全部作者: 秦松林
作者单位: 上海交通大学电子信息与电气工程学院
摘 要: 提出基于正弦波波形的工频电压在线监测方法。这是一种时域测量方法,能同时监测由于工频电压幅值、频率、相位的变化或外来干扰产生的实时工频电压畸变。该方法适用于捕获工频电压的暂态或短时电压畸变,并能对电压畸变的时间点进行定位。同时本文还提出一个关于实时电压监测的新概念——有效监测时间,这是一个关于各类监测仪或监测方法是否能真正实现全面有效监测的性能参数。
关 键 词: 电气工程;工频电压监测;正弦波形;畸变;过电压;有效监测时间
Title: Grid voltage monitoring based on sine wave waveform
Author: QIN Songlin
Organization: School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University
Abstract: This paper presents a method of on-line monitoring of power frequency voltage based on sine wave waveform. This is a time domain measurement method. This method can simultaneously monitor the real-time power frequency voltage distortion due to the change of the magnitude, frequency, phase of power frequency voltage or external interference. It is suitable for capturing transient or short-term voltage distortion of power frequency voltage, and can locate the time point of voltage distortion. At the same time, this paper also presents a new concept of real-time voltage monitoring: effective monitoring time. This should be a performance parameter on whether a variety of monitors or monitoring methods can truly achieve full and effective monitoring.
Key words: electrical engineering; power frequence voltage monitoring; sine waveform; distortion; overvoltage; effective monitoring time
发表期数: 2018年1月第2期
引用格式: 秦松林. 基于正弦波波形的电网电压监测[J]. 中国科技论文在线精品论文,2018,11(2):122-128.
 
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