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Recursive and non-recursive algorithms for power system real time phasor estimations

机译：电力系统实时相量估计的递归和非递归算法

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This work presents some of the computational algorithms used for phasor estimations in Electrical Power Systems. The IEEE C37.118.1 standard establishes the phasor estimation structure and performance, but does not define the algorithm itself to be used. Considering this, various methods can be adopted provided that the standard precision is met. Some estimation algorithms presented in the literature were compared in this paper, and their behavior was evaluated for some test cases. The methods: Discrete Fourier Transform, Recursive Discrete Fourier Transform, Least Squares, Recursive Least Squares, Discrete Wavelet Transform and Recursive Wavelet Transform were tested using synthetic signals, evaluating the Total Vector Error, response and delay times, as well as overshoot. The algorithms were also embedded in hardware and evaluated by simulated signals, using the outputs of a Real Time Digital Simulator. (C) 2016 Elsevier B.V. All rights reserved.
机译：这项工作提出了一些用于电力系统中相量估计的计算算法。 IEEE C37.118.1标准建立了相量估计结构和性能，但未定义要使用的算法本身。考虑到这一点，只要满足标准精度，就可以采用各种方法。本文比较了文献中提出的一些估计算法，并对某些测试用例的行为进行了评估。使用合成信号测试离散傅里叶变换，递归离散傅里叶变换，最小二乘，递归最小二乘，离散小波变换和递归小波变换的方法，评估总矢量误差，响应和延迟时间以及超调。该算法还嵌入到硬件中，并使用实时数字仿真器的输出通过仿真信号进行评估。 （C）2016 Elsevier B.V.保留所有权利。

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