TY JOUR TI THE METHOD OF CALCULATING THE ENERGY CHARACTERISTICS AND SHORT-CIRCUIT CURRENT OF OPEN-CIRCUIT ELECTRIC MACHINES KW short-circuit current KW submersible electric machines KW starting characteristics of an asynchronous motor KW energy characteristics KW starting torque multiplicity KW active short-circuit resistance KW efficiency coefficient KW reduced rotor current JO NATURAL AND MAN-MADE RISKS (PHYSICO-MATHEMATICAL AND APPLIED ASPECTS) AU Bulatova, Y.M. AU Reva, Y.V. PY 2024 IS 2024 PB Saint-Petersburg University of State Fire Service of Emercom of Russia