A novel approach on power quality disturbance detection is presented in this paper.
提出了一种新的电能质量扰动识别与定位方法。
It is very important to find out the power quality disturbance in order to improve power quality.
有效地检测电能质量扰动，对于治理和改善电力系统的电能质量具有重要意义。
An effective method to detect, localize, identify, and classify power quality disturbance is proposed.
提出了一种对电能质量扰动进行检测、定位、辨识与分类的有效方法。
Power quality disturbance classification based on time domain, rule based and wavelet multi - resolution decomposition.
基于时域、多分辨率分析和规则基的电能质量扰动分类。
Therefore, and approach to the detection of power quality disturbance using short duration Lipschitz exponent is presented.
为此提出用短时李氏指数检测电能质量扰动的方法。
It is indicated in the research results that OLPDF is an effective tool in the analysis of power quality disturbance signals.
研究表明，最优低通差分滤波器是一种分析电能质量干扰信号的比较有效的工具。
This thesis is mainly concerned with problems of power quality disturbance signal's analysis and classifies by rule-based expert system.
本文主要研究了应用规则基专家系统对电能质量信号进行分类。
With the wide application of sensitive power electronic devices in industry, the power quality disturbance problems such as voltage sag and swell become more concerned.
随着各种敏感电力电子设备在工业中的广泛应用，诸如短时低电压、短时过电压等电能质量扰动问题已成为近年来各方面关注的焦点。
Aimed at the characteristics of power quality disturbance, a new method is introduced for detecting. classifying and quantifying the short duration variations of power quality.
针对电能质量扰动具有非稳态、突发性的特点，提出了一种电能质量短期扰动分类和检测的新方法。
This data compression way could benefit electric power quality disturbance data saving and transmission, improve supervision system's performance and lower down the system cost.
这对于电力系统畸变、故障信号数据的存储、传输来讲，可以大幅节约成本，提高系统性能，增加经济效益。
According to features of power quality disturbance signal, this paper detects the disturbance signals of high-frequency, transient impulse and voltage notch with wavelet transforming.
针对电能质量扰动信号的特性，本文采用小波变换对电力系统的高频、瞬时脉冲、电压切痕扰动信号进行检测。
A new fast processing method based on mathematical morphology is proposed to locate the disturbance of the power quality signals corrupted by noises.
提出一种基于数学形态学的快速计算方法，进行电力系统采集数据的扰动定位。
Monitoring analyses and control countermeasures for disturbance sources of power quality (PQ) in regional power grid are the important tasks to assure the power quality.
区域电网电能质量干扰源的监测分析及防治对策是保证电网电能质量的重要任务。
The transient power quality problems become more important. Capacitor switching which brings transient disturbance is a common power quality event.
暂态电能质量问题日益突出，电容器投切造成的暂态扰动是其中较为常见的一种。
Numerical results show that the method proposed can effectively classify different disturbance patterns and provide basis for power quality mitigation measures.
分析和仿真结果表明该方法可以有效识别不同的扰动类型，为电能质量问题的改善措施提供依据。
Several issues of power quality are presented, including harmonics, reactive power, three phase unbalance, large difference between peak load and vale load, voltage disturbance and so on.
第一章简单介绍了目前电网存在的几种问题，包括谐波问题、无功问题、三相不平衡问题、用电峰谷差过大的问题以及电压异常、断电问题等；
Several issues of power quality are presented, including harmonics, reactive power, three phase unbalance, large difference between peak load and vale load, voltage disturbance and so on.
第一章简单介绍了目前电网存在的几种问题，包括谐波问题、无功问题、三相不平衡问题、用电峰谷差过大的问题以及电压异常、断电问题等；
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