TY - JOUR T1 - A Novel Scheme to Extract Incident Voltage Traveling-Waves of EHV Transmission Lines AU - , Zhihua-Wang AU - , Xianggen-Yin AU - , Deshu-Chen AU - , Xiaobo-Zhang AU - , Jingchao-Yang JO - Asian Journal of Information Technology VL - 3 IS - 10 SP - 890 EP - 897 PY - 2004 DA - 2001/08/19 SN - 1682-3915 DO - ajit.2004.890.897 UR - https://makhillpublications.co/view-article.php?doi=ajit.2004.890.897 KW - AB - CVTs with passive ferro-resonance circuits have flat high-frequency characteristics which cover the frequency band from 10kHz to several hundreds kHz, the secondary voltages are directly used to extract voltage incident traveling-waves without the need of specially designed voltage traveling-wave transducers. And wavelet transform modulus sum based arrival detection of incident traveling-wave is proposed, simulation and experiment data are given to verify the schemes, which will be useful in applications of fault location and relay protection using incident voltage traveling-waves. ER -