Title :
Effective transmission line fault detection during power swing with wavelet transform
Author :
Lin, Xiangning ; Liu, Pei ; Cheng, Shijie
Author_Institution :
Dept. of Electr. Power Eng., Huazhong Univ. of Sci. & Technol., Wuhan, China
Abstract :
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
Keywords :
EMTP; fault location; power system analysis computing; power system identification; power transmission faults; power transmission lines; power transmission protection; transmission network calculations; wavelet transforms; EMTP; computer simulation; distance protection; orthonormal wavelet transform algorithm; power swings fault identification; power transmission line faults; real-time applications; Fault detection; Fault diagnosis; Fourier transforms; Power system faults; Power system protection; Power system simulation; Power transmission lines; Voltage; Wavelet analysis; Wavelet transforms;
Conference_Titel :
Power Engineering Society Winter Meeting, 2000. IEEE
Print_ISBN :
0-7803-5935-6
DOI :
10.1109/PESW.2000.847652
