ESTIMATION OF EFFECTIVENESS OF EXTREME SYSTEM AUTOMATIC CONTROL OF ELECTRIC DRIVE OF THE PUMP UNIT Journal title: Електромеханічні і енергозберігаючі системи Authors: Iuliia Alieksieieva, Tetyana Korenkova, Vitaliy Dzyuban, Volodumur Коlosyuk Subject(s): Engineering, Energy, Mechanical Engineering, Mechanics