SPMSMs HFI Based Self-Sensing Using Intentional Magnetic Saturation

High-frequency injection (HFI) is widely used for zero-to-low speed self-sensing in machines with saliency. HFI algorithms use inductive saliency in the d- and q-axes to estimate the rotor position in permanent magnet synchronous machines (PMSMs). Generally speaking, surface PMSMs (SPMSMs), which ar...

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Main Authors: Ye Gu Kang, David Diaz Reigosa, Robert D. Lorenz
Format: Article
Language:English
Published: IEEE 2020-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/9296202/
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author Ye Gu Kang
David Diaz Reigosa
Robert D. Lorenz
author_facet Ye Gu Kang
David Diaz Reigosa
Robert D. Lorenz
author_sort Ye Gu Kang
collection DOAJ
description High-frequency injection (HFI) is widely used for zero-to-low speed self-sensing in machines with saliency. HFI algorithms use inductive saliency in the d- and q-axes to estimate the rotor position in permanent magnet synchronous machines (PMSMs). Generally speaking, surface PMSMs (SPMSMs), which are designed without inductive saliency, are not suitable for HFI inductive based self-sensing. In this article, a method to enhance HFI algorithms at zero-to-low speed for classically designed SPMSMs with low inductive saliency is presented. The proposed method is based on using intentional magnetic saturation under flux-intensifying (FI) operation, which will temporarily enable robust self-sensing operation in the zero-to-low speed region in machines that are not suitable for traditional HFI self-sensing.
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spelling doaj.art-7de173265cae4268b51cec1a014a68d22022-12-21T19:58:17ZengIEEEIEEE Access2169-35362020-01-01822873122873910.1109/ACCESS.2020.30452759296202SPMSMs HFI Based Self-Sensing Using Intentional Magnetic SaturationYe Gu Kang0https://orcid.org/0000-0001-6663-4151David Diaz Reigosa1https://orcid.org/0000-0001-7304-0845Robert D. Lorenz2Mechanical Engineering Department, University of Wisconsin–Madison, Madison, WI, USAElectrical Engineering Department, University of Oviedo, Gijon, SpainMechanical Engineering Department, University of Wisconsin–Madison, Madison, WI, USAHigh-frequency injection (HFI) is widely used for zero-to-low speed self-sensing in machines with saliency. HFI algorithms use inductive saliency in the d- and q-axes to estimate the rotor position in permanent magnet synchronous machines (PMSMs). Generally speaking, surface PMSMs (SPMSMs), which are designed without inductive saliency, are not suitable for HFI inductive based self-sensing. In this article, a method to enhance HFI algorithms at zero-to-low speed for classically designed SPMSMs with low inductive saliency is presented. The proposed method is based on using intentional magnetic saturation under flux-intensifying (FI) operation, which will temporarily enable robust self-sensing operation in the zero-to-low speed region in machines that are not suitable for traditional HFI self-sensing.https://ieeexplore.ieee.org/document/9296202/High-frequency injectionmagnetic saturationpermanent magnetself-sensingSPMSM
spellingShingle Ye Gu Kang
David Diaz Reigosa
Robert D. Lorenz
SPMSMs HFI Based Self-Sensing Using Intentional Magnetic Saturation
IEEE Access
High-frequency injection
magnetic saturation
permanent magnet
self-sensing
SPMSM
title SPMSMs HFI Based Self-Sensing Using Intentional Magnetic Saturation
title_full SPMSMs HFI Based Self-Sensing Using Intentional Magnetic Saturation
title_fullStr SPMSMs HFI Based Self-Sensing Using Intentional Magnetic Saturation
title_full_unstemmed SPMSMs HFI Based Self-Sensing Using Intentional Magnetic Saturation
title_short SPMSMs HFI Based Self-Sensing Using Intentional Magnetic Saturation
title_sort spmsms hfi based self sensing using intentional magnetic saturation
topic High-frequency injection
magnetic saturation
permanent magnet
self-sensing
SPMSM
url https://ieeexplore.ieee.org/document/9296202/
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AT robertdlorenz spmsmshfibasedselfsensingusingintentionalmagneticsaturation