Development of discrimination technology associated to protection secondary circuits in Smart Substation Based on Semantic Features of SCDWei Bao, Xiang Gao, Ke Wang, Qi Geng, Jie Song, Ping Zeng and Desheng ZhouMATEC Web Conf., 173 (2018) 02035DOI: https://doi.org/10.1051/matecconf/201817302035