TY CONF TI NEUTRAL SYSTEMS KW three-phase load KW imbalance KW nonlinearity KW neutral KW distribution system KW voltage drops KW excess current KW four-wire system KW ground voltage KW phase voltage imbalance KW single-phase consumers JO MODELING INFORMATION SYSTEMS AND TECHNOLOGIES AU Serdyuk, N.A. AU Roshchin, K.E. AU Vikhrov, V.S. PY 2024 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov