FIELD: variable-speed electric drives. SUBSTANCE: introduced in known C drive that has DC motor connected to thyristor power unit and coupled with driven mechanism, series-connected speed setting element, intensity setting element, current and speed control devices, pulse shaping system whose output is connected to thyristor power unit output, current and speed sensors, are nine proportional units, integrating unit, and voltage sensor. EFFECT: improved current and speed control characteristic of DC drive. 1 dwg
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