Investigation of real-time implementation of DSP-based DWT for power system protection

被引：4
|
作者：
Darwish, Hatem A. [1 ]
Farouk, M. Hisham [2 ]
Taalab, Abdel-Maksoud I. [1 ]
Mansour, Naema M. [1 ]
机构：
[1] Menoufia Univ, Fac Engn, Dept Elect Engn, Menoufia, Egypt
[2] Cairo Univ, Fac Engn, Basic Sci & Phys Dept, Cairo, Egypt
来源：
2005/2006 IEEE/PES TRANSMISSION & DISTRIBUTION CONFERENCE & EXPOSITION, VOLS 1-3 | 2006年
关键词：
discrete wavelet transform; signal processing; DSP implementation; power system relaying;
D O I：
10.1109/TDC.2006.1668691
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, the performance of Discrete Wavelet Transform (DWT) is investigated. Impact of the type and order of the mother wavelet, sampling frequency, and the signal waveform on the DWT performance is evaluated in the scope of power system protection requirements. A novel DWT computation algorithm is introduced in order to eliminate the complexity encountered in real-time implementation. Efficacy of the proposed algorithm is verified via Digital Signal Processing (DSP) experimental tests. The results consolidate the possibility of efficient DWT real-time implementation even with higher sampling rates. Shortcomings of DWT application to power system protection are outlined and corrective recommendations are included.
引用
收藏
页码：1258 / +
页数：2
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