Development of 110kV Thyristor Assisted Arc Extinguishing Hybrid OLTC Fei Shi, Yu Yin, Ben-Ping Ding, Fei Gao, Peng-Fei Jia, Lu-Ning Hao and Lei Zhang E3S Web Conf., 243 (2021) 01003 Published online: 11 March 2021 DOI: 10.1051/e3sconf/202124301003