Ratio restraint protection for high impedance grounding faults in low resistance grounding system based on harmonic algorithm
NI Jiang, SUN Xinwei, XIONG Xiaoman, REN Hao, YANG Yuxuan
Integrated Intelligent Energy . 2022, (1): 80 -86 .  DOI: 10.3969/j.issn.2097-0706.2022.01.011