FIELD: electrical engineering.
SUBSTANCE: invention relates to electrical engineering and can be used for controlling the speed of electrified tools, domestic and industrial electrical appliances, special-purpose devices containing electric motors. In the method for stabilizing rotation frequency of a single-phase commutator motor, current increment is measured for a fixed period of time, a negative feedback voltage proportional to the obtained increment is generated, which is summed up with the driving voltage.
EFFECT: technical result is higher efficiency of electric drive while maintaining stability.
1 cl, 3 dwg
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