电力系统中跟踪/估计电压电流相量和频率的处理单元

2008 5th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology Pub Date : 2008-05-14 DOI:10.1109/ECTICON.2008.4600615

C. Wattanasakpubal, T. Bunyagul

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引用次数: 1

摘要

提出了一种基于新自适应线性组合结构(ADALINE)的电力系统电压电流相量和频率跟踪/估计处理单元。处理单元的关键思想是确定粗频率和正交系数。然后，通过两个反馈回路的适当相互作用，将频率测量和正交系数微调到新的值，如图1所示。通过大量的计算机模拟，推导了算法的主要性质。提供了瞬态和动态试验来进行研究。该算法在10 ~ 2000 Hz的宽频率范围内具有很高的精度、鲁棒性、快速响应和自适应性能，同时具有良好的噪声特性。在稳定状态下，频率、幅值和相位角的测量误差几乎为零(1e-6)。

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A processing unit for tracking/estimating voltage-current phasor and frequency in power system

This paper presents a processing unit for tracking/estimating voltage-current phasor and frequency in power system based on New Adaptive Linear Combination Structure (ADALINE). The key idea of a processing unit is determine the coarse frequency and orthogonal coefficients. After that the frequency measurement and the orthogonal coefficients are fine tuned up to the new values by appropriately interact of the two feed back loops as show in Fig.1. The main algorithm properties are deduced by extensive using computer simulated. Transient and dynamic tests are provided to investigate. The algorithm showed a very high accuracy, robust, fast response and adaptability performance over a wide frequency range 10 to 2000 Hz with a good noise property. The error of the frequency, magnitude and phase angle measurement is nearly zero (1e-6) for steady state.

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来源期刊

2008 5th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology

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