利用小波变换有效地检测电力振荡过程中的输电线路故障

2000 IEEE Power Engineering Society Winter Meeting. Conference Proceedings (Cat. No.00CH37077) Pub Date : 2000-01-23 DOI:10.1109/PESW.2000.847652

Xiangning Lin, Pei Liu, Shijie Cheng

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引用次数: 7

摘要

提出了一种新的功率波动故障识别方案。该方案基于正交小波变换算法。该方案的主要优点是能够准确地识别出输电线路在不同功率波动情况下发生的故障。文中还讨论了该方案在距离保护中的具体应用。通过EMTP仿真实验验证了该方案的有效性。此外。由于该方案只需要有限数量的实值计算。在实时应用中很容易实现。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Effective transmission line fault detection during power swing with wavelet transform

A new scheme for fault identification during power swings is proposed in this paper. The new scheme is based on the orthonormal wavelet transform algorithm. The main advantage of the proposed scheme is that fault occurring in the transmission line can be correctly identified during different kinds of power swings. Details of applying the proposed scheme in the distance protection are discussed in the paper. The effectiveness of the proposed scheme was verified with the data sampled from an EMTP based simulator. Furthermore. As only limited number of real value calculation is needed for the proposed scheme. It is easily realized in real-time applications.

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来源期刊

2000 IEEE Power Engineering Society Winter Meeting. Conference Proceedings (Cat. No.00CH37077)

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