Enhanced current control of high-speed PM machine drives through the use of flux controllers

This paper compares various types of current controllers, including a novel method based on flux control. A proportional integral (PI) control method is used initially, to control the current in a high-speed permanent-magnet synchronous machine. The performance of this simple PI loop is presented, V...

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Bibliographic Details
Published in:IEEE transactions on industry applications 1999-09, Vol.35 (5), p.1030-1038
Main Authors: Haylock, J.A., Mecrow, B.C., Jack, A.G., Atkinson, D.J.
Format: Article
Language:English
Subjects:
Accuracy
Control systems
Controllers
Current control
Electric current control
Flux
Frequency
High speed
Lifting equipment
Mathematical models
Pi control
Polyimide resins
Proportional control
Proportional integral
Pulse width modulation
Sampling methods
Synchronous machines
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Summary:This paper compares various types of current controllers, including a novel method based on flux control. A proportional integral (PI) control method is used initially, to control the current in a high-speed permanent-magnet synchronous machine. The performance of this simple PI loop is presented, Various improvements to the PI controller are investigated, and the change in performance examined. A new current control scheme based on a flux-linkage model of the machine is introduced. The performance of the model-based control is demonstrated and compared with the performance of the PI current controller. Factors affecting the accuracy of the model-based control are given. By incorporating these factors into the model, the performance of the flux controller is further enhanced.
ISSN:0093-9994
1939-9367
DOI:10.1109/28.793363