TY JOUR TI POLYMODEL DESCRIPTION OF THE SHIP'S ELECTRIC POWER SYSTEM KW electric power system KW ship KW mathematical model KW modeling KW hierarchy JO Operation of Maritime Transport AU Boychuk, I.P. AU Grinek, A.V. AU Kornev, A.V. AU Fischenko, A.M. AU Slepov, O.E. PY 2023 IS 0 PB Budget Educational Institution of Higher Education “Admiral Ushakov State Maritime University”