TY JOUR TI The Analysis of Existing Methods and Techniques of Quality Assurance of the Electric Power KW index of electric power quality KW control JO Actual directions of scientific researches of the XXI century: theory and practice AU Orlovtseva, O.. AU Ershov, S.. AU Kleymenova, N.. AU Nazina, L.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov