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Study on Traveling Wave Protection of HVDC Transmission Line Based on Wavelet Transform
Author(s): 
Pages: 22-25
Year: Issue:  1
Journal: Yunnan Electric Power

Keyword:  HVDCwavelet transformreverse voltage traveling wavemodulus maxima;
Abstract: Apply the method of wavelet transform to the HVDC line fault traveling wave protection,the accuracy of fault diagnosis can be improved. This paper simulated the common faults in the high-voltage direct current transmission system based on MATLAB.And then put forward a new type of protection criterion and principle of single-ended DC line traveling wave protection. This scheme is based on the traveling wave modulus maxima waveform of reverse voltage from MATLAB to determine fault features of the system.Finally,the simulation verify this method,the results show that this scheme is effective.
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