“…Generally speaking, fuzzy reliability based on CFA has covered a wide variety of subjects in power systems [8,9,[11][12][13][14][15][16]. To provide secure operation of a power system, the ability of its protection systems must be investigated in depth and it is well-accepted that the reliability of a power system [18,19] is strongly related to the reliability of its relevant protection systems [20][21][22][23][24][25].…”