Scalar decoupled control for an induction machine

Details Scalar decoupled control for an induction machine Scalar decoupled control for an induction machine

H - Electricity

02

P

318/96

H02P 5/00 (2006.01)

Patent

CA 1199676

SCALAR DECOUPLED CONTROL FOR AN INDUCTION MACHINE ABSTRACT OF THE DISCLOSURE A scalar control supplemented by a decoupler transfer function control is provided to develop frequency and voltage commands for a voltage controlled inverter driving an induction machine. The machine torque is controlled by the slip and corresponding torque producing component of stator current. The rotor flux is maintained constant by the flux component of stator current. The total stator current is controlled in the outer loop to hold rotor flux constant with desired torque during steady state conditions and the decoupler compensator varies stator voltage to maintain rotor flux constant during transient conditions.

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