ELECTRIC DRIVE OF STAND-ALONE OBJECT WITH AC CONVERTER-FED MOTOR Russian patent published in 2015 - IPC H02P21/00 H02P21/12 H02P6/08 H02P6/14 H02P6/24 H02P27/06 

FIELD: electricity.

SUBSTANCE: invention relates to electric engineering and may be used in ac converter-fed electric drive of stand-alone objects. The electric drive of stand-alone object with AC current-fed motor includes the rotor position transmitter, stand-alone voltage inverter, speed regulator, trigonometric converters. Current regulator outputs as projected to axis q and current regulator as projected to axis d are connected to the calculator, and calculator output is connected to the control input of the stand-alone voltage inverter that is connected with windings of the AC current-fed device via current feedback, speed feedback and flow feedback as projected to axis d.

EFFECT: power efficiency increasing due to optimisation under start-up mode and use of regenerative braking mode.

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