Impact of Rotor Design on Interior Permanent-Magnet Machines With Concentrated and Distributed Windings for Signal Injection-Based Sensorless Control and Power Conversion

This paper examines the relationship between rotor design, saliency-based signal injection sensorless control, and power conversion properties for four industrially relevant interior permanent-magnet machine configurations: a 36-slot 6-pole stator with v bar rotor, a 36-slot 6-pole stator with flat...

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Bibliographic Details
Published in:IEEE transactions on industry applications 2016-01, Vol.52 (1), p.136-144
Main Authors: Brown, Ian P., Sizov, Gennadi Y., Brown, Laura E.
Format: Article
Language:English
Subjects:
Computer simulation
Current density
Energy conversion
Flats
Frequency control
Harmonic analysis
Mathematical analysis
Methodology
Permanent magnets
Power conversion
Rotors
Sensorless control
Stators
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Summary:This paper examines the relationship between rotor design, saliency-based signal injection sensorless control, and power conversion properties for four industrially relevant interior permanent-magnet machine configurations: a 36-slot 6-pole stator with v bar rotor, a 36-slot 6-pole stator with flat bar rotor, a 9-slot 6-pole stator with v bar rotor, and a 9-slot 6-pole stator with flat bar rotor. The influence of rotor geometric design variables over the range of current densities at the maximum torque per ampere angle was found using a design of experiments' methodology and standardized regression coefficients. Tradeoffs between sensorless control and power conversion properties are found using a Monte Carlo methodology. Power conversion and sensorless control properties were analyzed using hybrid static and time-stepping finite-element simulations.
ISSN:0093-9994
1939-9367
DOI:10.1109/TIA.2015.2464783