Hysteresis model for finite-element analysis of permanent-magnet demagnetization in a large synchronous motor under a fault condition

Rosu, Marius; Saitz, J.; Arkkio, Antero

doi:10.1109/tmag.2005.848319

Cited by 80 publications

(15 citation statements)

References 13 publications

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“…The irreversible field H irr can be identified through an equivalent elliptical loop approach [18] and is equal to the positive field value at zero induction. Based on (13) and (14), k h can be calculated as…”

Section: Modeling Of Core Losses Under Nonsinusoidal and Rotatingmentioning

confidence: 99%

Computation of Core Losses in Electrical Machines Using Improved Models for Laminated Steel

Ionel¹,

Popescu

McGilp

et al. 2006

Conference Record of the 2006 IEEE Industry Applications Conference Forty-First IAS Annual Meeting

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Abstract-Two new models for specific power losses in cold-rolled motor lamination steel are described together with procedures for coefficient identification from standard multifrequency Epstein or single sheet tests. The eddy-current and hysteresis loss coefficients of the improved models are dependent on induction (flux density) and/or frequency, and the errors are substantially lower than those of conventional models over a very wide range of sinusoidal excitation, from 20 Hz to 2 kHz and from 0.05 up to 2 T. The model that considers the coefficients to be variable, with the exception of the hysteresis loss power coefficient that has a constant value of 2, is superior in terms of applicability and phenomenological support. Also included are a comparative study of the material models on three samples of typical steel, mathematical formulations for the extension from the frequency to the time domain, and examples of validation from electrical machine studies.Index Terms-Brushless permanent-magnet (BLPM) motor, cold-rolled motor lamination steel, core loss, electric machine, Epstein test, finite-element analysis (FEA), interior permanentmagnet (IPM) motor, iron loss.

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Section: Modeling Of Core Losses Under Nonsinusoidal and Rotatingmentioning

confidence: 99%

Computation of Core Losses in Electrical Machines Using Improved Models for Laminated Steel

Ionel¹,

Popescu

McGilp

et al. 2006

Conference Record of the 2006 IEEE Industry Applications Conference Forty-First IAS Annual Meeting

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“…The effect on the electromotive force of these faults has been studied using finite element analysis [19].…”

Section: Typical Faults and Methods Of Diagnosis Of Permanent Magmentioning

confidence: 99%

Design and construction of a laboratory bench system for the teaching and training of engineers on diagnostics of permanent magnet motors

Blázquez

Rebollo

Platero

et al. 2015

2015 IEEE 10th International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (SDEMPED)

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“…Another danger under short circuit faults is irreversible demagnetization [30]- [32]. The most effective method to evaluate the risk of demagnetization is the Finite Element (FE) method, which is given below.…”

Section: Fault and Reliability Considerationsmentioning

confidence: 99%

Practical Design Considerations for Large PM Machines

Zhang

2014

Journal of international Conference on Electrical Machines and

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-To help machine designers to make precise design of large permanent magnet (PM) machines, this paper presents a set of design considerations that are very often ignored by machine designers. These considerations are categorized into several aspects: electromagnetic (EM) performance, losses and efficiency, fault and stability, and some other issues. The effects of various practical factors are presented and some corresponding design methods are introduced.

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Hysteresis model for finite-element analysis of permanent-magnet demagnetization in a large synchronous motor under a fault condition

Cited by 80 publications

References 13 publications

Computation of Core Losses in Electrical Machines Using Improved Models for Laminated Steel

Computation of Core Losses in Electrical Machines Using Improved Models for Laminated Steel

Design and construction of a laboratory bench system for the teaching and training of engineers on diagnostics of permanent magnet motors

Practical Design Considerations for Large PM Machines

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