TY JOUR TI TO THE ISSUE OF THE EFFECTIVENESS INCREASE IN CONTROL OF THE OPERATING MODES OF THE LOW OBSERVABILITY ELECTRIC NETWORKS KW quality of electric energy KW asymmetry of tension KW electric network KW effective control KW networks of low observability JO Bulletin of KSAU AU Naumov, I.V. AU Yamshchikova, I.V. PY 2015 IS PB Krasnoyarsk State Agrarian University