Current regulation for a field weakening motor control...

Details Current regulation for a field weakening motor control... Current regulation for a field weakening motor control...

2006-03-21

2006-03-21

Martin, David (Department: 2837)

Electricity: motive power systems

Constant motor current, load and/or torque control

C318S433000

Reexamination Certificate

active

07015667

ABSTRACT:
A control system and method for an electric machine includes a first calculation module that receives a modified torque command and a calculated stator flux command and that generates first and second current commands and first and second voltage commands. A voltage magnitude calculation module generates a voltage magnitude based the first and second voltage commands. A reference voltage calculator module generates a reference voltage based on a DC link voltage, an angular stator velocity and the first and second current commands. A flux weakening module generates the calculated flux command based on the angular stator velocity, the reference voltage and the voltage magnitude.

REFERENCES:
patent: 5032771 (1991-07-01), Kerkman et al.
patent: 5739664 (1998-04-01), Deng et al.
patent: 6407531 (2002-06-01), Walters et al.
patent: 6741060 (2004-05-01), Krefta et al.
patent: 6924617 (2005-08-01), Schulz et al.

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