Research on Traveling Wave Detection of Electrical Equipment Debugging Fault Based on Wavelet Transform

2021 ◽  
Author(s):  
Zhaosheng Teng
Keyword(s):  
Wavelet Transform ◽  
Traveling Wave ◽  
Electrical Equipment ◽  
Wave Detection

Distance Protection Application Based on Wavelet Transform and Traveling Wave Ranging

2012 ◽  
Vol 150 ◽  
pp. 40-44
Author(s):  
Peng Peng Kang ◽  
Xi Fang Zhu
Keyword(s):  
Wavelet Transform ◽  
Power System ◽  
Transmission Line ◽  
Software Design ◽  
Traveling Wave ◽  
Wave Theory ◽  
Distance Measurement ◽  
Distance Protection

This paper describes the wavelet transform theory, and traveling wave theory. When the power system transmission line fault occurs, the fault signal generated by sampling and analysis, and use a method of one-end fault distance measurement in transmission line. Finally the article gives the ranging devices’ hardware and software design.

The Type D Double-Ended Traveling-Wave Distance Protection for HVDC Based on Wavelet Transform

2013 ◽  
Vol 448-453 ◽  
pp. 2025-2029
Author(s):  
Ning Ye ◽  
Yan Ren ◽  
Dai Yin Fu
Keyword(s):  
Wavelet Transform ◽  
Traveling Wave ◽  
Distance Protection ◽  
Matlab Simulation ◽  
Hvdc System ◽  
Type D ◽  
Set Up ◽  
Modulus Maxima

This paper describes the modern Type D double-ended location principles and the wavelet modulus maxima theory and presents a principle and a scheme which bases on wavelet transform of the Type D double-ended traveling-wave distance protection for HVDC traveling line. Then set up a monopolar HVDC system and simulate it by PSCAD/EMTDC and Matlab. Simulation shows that this protection principle and scheme is right and feasible.

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