Calculation of reliability indicators of power supply systems of consumers S.T. Latipov, G.N. Aslanova, L.A. Nematov, A.A. Akhmedov and M.R. Charieva E3S Web Conf., 139 (2019) 01037 Published online: 16 December 2019 DOI: 10.1051/e3sconf/201913901037