HIGH-VOLTAGE FREQUENCY-CONTROLLED ELECTRIC DRIVE Russian patent published in 2014 - IPC H02P27/06 H02P27/08 H02M7/483 H02M7/5395 

FIELD: electricity.

SUBSTANCE: in the high-voltage frequency-controlled electric drive, an uncontrolled high frequency converter is connected through a multiple-winding single-phase high-frequency transformer to a controlled high frequency converter having a cellular type, wherein inputs of rectifier-inverter cells are connected to corresponding secondary windings of the single-phase high-frequency multiple-winding transformer, the primary winding of which is connected to the output of the uncontrolled high frequency converter, and the input of the latter is connected through a reactor to the mains supply.

EFFECT: reduced weight and size.

2 cl, 5 dwg