Scalar decoupled control for an induction machine using current

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

1983-10-05

1984-06-05

Dobeck, B.

Electricity: motive power systems

Induction motor systems

318799, 318802, 318809, H02P 742

Patent

active

044531168

ABSTRACT:
A scalar control supplemented by a decoupler transfer function control is provided to develop frequency and current commands for a current 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 to hold rotor flux constant with desired torque during steady state conditions and the decoupler compensator varies stator current to maintain rotor flux constant during transient conditions.

REFERENCES:
patent: 4227138 (1980-10-01), Espelage et al.
patent: 4230979 (1980-10-01), Espelage et al.
patent: 4243927 (1981-01-01), D'Atre
patent: 4258302 (1981-03-01), Plunkett
patent: 4281276 (1981-07-01), Cutler et al.
patent: 4314190 (1982-02-01), Walker et al.
patent: 4320331 (1982-03-01), Plunkett

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