Fault Characteristic Analysis of Single-Phase Grounding Fault in AC grid of Energy Router in Interacted and Interconnected Micro GridZi-xia Sang, Reng-cun Fang, He Lei, Dong-jun Yang, Zhu Chen and Jiong YanE3S Web Conf., 233 (2021) 01046DOI: https://doi.org/10.1051/e3sconf/202123301046