Comparative Analysis of High Frequency Signal Injection Based Torque Estimation Methods for SPMSM, IPMSM and SynRM

Maria Martinez, David Reigosa, Daniel Fernandez and Fernando Briz
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Maria Martinez: Electrical, Electronic, Computers and Systems Engineering, University of Oviedo, 33204 Oviedo, Spain
David Reigosa: Electrical, Electronic, Computers and Systems Engineering, University of Oviedo, 33204 Oviedo, Spain
Daniel Fernandez: Electrical, Electronic, Computers and Systems Engineering, University of Oviedo, 33204 Oviedo, Spain
Fernando Briz: Electrical, Electronic, Computers and Systems Engineering, University of Oviedo, 33204 Oviedo, Spain

Energies, 2020, vol. 13, issue 3, 1-18

Abstract: Torque estimation in permanent magnet synchronous machines and synchronous reluctance machines is required in many applications. Torque produced by a permanent magnet synchronous machine depends on the permanent magnets’ flux and d q -axes inductances, whereas torque in synchronous reluctance machines depends on the d q -axes inductances. Consequently, precise knowledge of these parameters is required for proper torque estimation. The use of high frequency signal both for permanent magnets’ flux and d q -axes inductances estimation has been recently shown to be a viable option. This paper reviews the physical principles, implementation and performance of high-frequency signal injection based torque estimation for permanent magnet synchronous machines and synchronous reluctance machines.

Keywords: torque estimation; online parameters estimation; permanent magnet synchronous machines; synchronous reluctance machines; high frequency signal injection (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
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