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Please use this identifier to cite or link to this item: http://hdl.handle.net/10651/36741

Title: Permanent magnet magnetization state estimation using high frequency signal injection
Author(s): Fernández Alonso, Daniel
Díaz Reigosa, David
Guerrero Muñoz, Juan Manuel
Zhu, Zi-Qiang
Briz del Blanco, Fernando
Keywords: High frequency signal injection
Permanent magnet magnetization state
Segmented magnets
Variable flux machines
Issue date: 2016
Publisher: IEEE
Publisher version: http://dx.doi.org/10.1109/TIA.2016.2541616
Citation: IEEE Transactions on Industry Applications, 52(4), p. 2930-2940, (2016); doi: 10.1109/TIA.2016.2541616
Abstract: Permanent magnet (PM) magnetization state estimation is important both for torque control and monitoring in conventional permanent magnet synchronous machines (PMSMs). Furthermore, this can be critical for variable flux machines (VFM). Use of high frequency signal injection methods for PM magnetization state estimation in NdFeB magnets has already been proposed. These methods make use of the variation of the PM high frequency resistance with the PM magnetization state due to the magnetoresistive effect. This paper address the generalization of magnetization state estimation using high frequency signal injection to other types of magnets like SmCo and ferrite, as well as to other magnet structures, e.g. isolated and non-isolated segmented magnets. Use of the magnetoresitive effect for the detection of irreversible/reversible PM demagnetization will also be shown to be viable
URI: http://hdl.handle.net/10651/36741
ISSN: 0093-9994
Appears in Collections:Artículos
Ingeniería Eléctrica, Electrónica, de Computadores y Sistemas

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