System and method for controlling an electric motor

Details System and method for controlling an electric motor System and method for controlling an electric motor

H - Electricity

02

P

H02P 21/00 (2006.01) H02P 6/18 (2006.01) H02P 21/14 (2006.01)

Patent

CA 2379732

A system and method are provided for controlling a three-phased motor terminal voltages in relation to both changes in speed and torque of the motor, whereby phase currents are first rotated from a stationary frame to two decoupled current components in a rotor synchronous frame, which enable to derive a voltage along a quadrature axis and a voltage along a direct axis thereof, before rotating back the quadrature and direct axis voltages from the rotor synchronous frame to the stationary frame to yield the motor terminal voltages.

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