Model reference adaptive control for ifo-controlled ac drives for motors and generators

Marcos . B Ketzer, Cursino B. Jacobina


This article investigates a modified indirect field oriented control strategy that employs an adaptive scheme for rotor time constant. The adaptive strategy uses a reference model that only depends on stator voltages and currents of machine. The application of the proposed scheme allows improving performance and stability of Indirect Field Oriented Control (IFOC) in AC drives, both in motoring or generating operation. Simulation results are presented in order to demonstrate the feasibility of the proposed methodology.

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