FIELD: automatic electric drives. SUBSTANCE: input of inertial filter is connected to current setter. Output of inertial filter is connected to first input of first current regulator. Its second input is connected to output of armature current detector, third input is connected to current setter. One input of multiplication unit is connected to output of second current regulator. Its second input is connected to output of dividing unit. Its output is connected to control input of converter through preliminary amplifier. First input of first adder is connected to current setter; second input is connected to output of second current regulator, third input is connected to output of armature current detector. Its output is connected to input of first high-pass filter. First input of second adder is connected to output of first high-pass filter; second input is connected to output of armature current detector through differential filter. Its output is connected to input of first absolute value detector. First input of third adder is connected to output of first absolute value detector; second input is connected to bias voltage source. Its output is connected to divisor input of dividing unit. Input of second high-pass filter is connected to output of multiplication unit. Its output is connected to input of second absolute value detector. First input of fourth adder is connected to output of second absolute value detector; second input is connected to bias voltage source. Its output is connected to dividend input of dividing unit. Output of detector of power supply is connected to fourth input of current regulator through second differentiating filter. Device design provides invariance to parametric disturbance. EFFECT: increased sensitivity to alternation of electric drive characteristics, increased quality of regulation. 2 dwg
