基于不同算法的电能质量扰动检测和定位

Detection and Location of Power Quality Disturbance Based on Different Algorithms

介绍了动态测度算法、短窗能量算法、小波变换算法的基本原理,然后将它们引入电能质量研究领域以分析各种扰动信号。应用这三种方法对多种电能质量扰动信号进行检测和扰动时间的定位。通过对这些扰动信号的分析,详细地对这三种方法在扰动信号定位的速度和计算精度方面进行了比较研究,证明这三种检测算法的可行性、适用范围及各自的优缺点。

The paper presents the basic principle of dynamic measurement algorithm, threshold energy algorithm and wavelet transformation algorithm. Then these three algorithms are introduced to the power quality research field to analyze various disturbance signals, as well as detect various kinds of disturbance signals and locate disturbance time. Through the analysis of these disturbance signals and the comparative research on the three algorithms in terms of the disturbance signal location speed and calculation accuracy, it verifies the feasibility, application scope, advantages and disadvantages of each algorithm.