Assessing nanocrystalline pulsed transformer core performance using Maxwell ANSYS

This paper employs the commercial simulation software ANSYS Maxwell to explore the fast-rise short-pulse magnetic properties of Finemet nanocrystalline cores, specifically FT-3KL and FT-3KM, under high magnetization rates (>0.5 T/μs) in pulsed power applications. This study aims to leverage ANSYS...

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Main Authors: D. Wright, K. Kelp, T. Klein, J. Stephens, J. Dickens, J. Mankowski, Z. C. Shaw, A. Neuber
Format: Article
Language:English
Published: AIP Publishing LLC 2025-06-01
Series:AIP Advances
Online Access:http://dx.doi.org/10.1063/5.0267903
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author D. Wright
K. Kelp
T. Klein
J. Stephens
J. Dickens
J. Mankowski
Z. C. Shaw
A. Neuber
author_facet D. Wright
K. Kelp
T. Klein
J. Stephens
J. Dickens
J. Mankowski
Z. C. Shaw
A. Neuber
author_sort D. Wright
collection DOAJ
description This paper employs the commercial simulation software ANSYS Maxwell to explore the fast-rise short-pulse magnetic properties of Finemet nanocrystalline cores, specifically FT-3KL and FT-3KM, under high magnetization rates (>0.5 T/μs) in pulsed power applications. This study aims to leverage ANSYS’s modeling capability to simulate core behavior under high magnetization rates by comparing the simulations’ saturation characteristics and B–H curve responses with experimental results. A custom solid-state pulse generator excites the cores with quasi-square pulses, featuring ∼20 ns rise time and microsecond duration, with a voltage sweep ranging from 500 to 1500 V amplitude. The simulations integrated an external circuit model with the magnetic transient solver. Both homogeneous and laminated core configurations were modeled to investigate the effects of conductivity and core geometry on flux diffusion and saturation. It was observed that an effective conductivity of 5 S/m yielded results reasonably consistent with experimental data. This research highlights the critical need for precise simulation of core behavior at high magnetization rates for fast pulsed power systems and sheds light on the limitations of a commercial simulation tool.
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institution Kabale University
issn 2158-3226
language English
publishDate 2025-06-01
publisher AIP Publishing LLC
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series AIP Advances
spelling doaj-art-e437ea89c75a43c9b65cdcac634924102025-08-20T03:31:06ZengAIP Publishing LLCAIP Advances2158-32262025-06-01156065323065323-1210.1063/5.0267903Assessing nanocrystalline pulsed transformer core performance using Maxwell ANSYSD. Wright0K. Kelp1T. Klein2J. Stephens3J. Dickens4J. Mankowski5Z. C. Shaw6A. Neuber7Center for Pulsed Power and Power Electronics, Lubbock, Texas 79409, USACenter for Pulsed Power and Power Electronics, Lubbock, Texas 79409, USACenter for Pulsed Power and Power Electronics, Lubbock, Texas 79409, USACenter for Pulsed Power and Power Electronics, Lubbock, Texas 79409, USACenter for Pulsed Power and Power Electronics, Lubbock, Texas 79409, USACenter for Pulsed Power and Power Electronics, Lubbock, Texas 79409, USANevada National Security Site, North Las Vegas, Nevada 89030, USACenter for Pulsed Power and Power Electronics, Lubbock, Texas 79409, USAThis paper employs the commercial simulation software ANSYS Maxwell to explore the fast-rise short-pulse magnetic properties of Finemet nanocrystalline cores, specifically FT-3KL and FT-3KM, under high magnetization rates (>0.5 T/μs) in pulsed power applications. This study aims to leverage ANSYS’s modeling capability to simulate core behavior under high magnetization rates by comparing the simulations’ saturation characteristics and B–H curve responses with experimental results. A custom solid-state pulse generator excites the cores with quasi-square pulses, featuring ∼20 ns rise time and microsecond duration, with a voltage sweep ranging from 500 to 1500 V amplitude. The simulations integrated an external circuit model with the magnetic transient solver. Both homogeneous and laminated core configurations were modeled to investigate the effects of conductivity and core geometry on flux diffusion and saturation. It was observed that an effective conductivity of 5 S/m yielded results reasonably consistent with experimental data. This research highlights the critical need for precise simulation of core behavior at high magnetization rates for fast pulsed power systems and sheds light on the limitations of a commercial simulation tool.http://dx.doi.org/10.1063/5.0267903
spellingShingle D. Wright
K. Kelp
T. Klein
J. Stephens
J. Dickens
J. Mankowski
Z. C. Shaw
A. Neuber
Assessing nanocrystalline pulsed transformer core performance using Maxwell ANSYS
AIP Advances
title Assessing nanocrystalline pulsed transformer core performance using Maxwell ANSYS
title_full Assessing nanocrystalline pulsed transformer core performance using Maxwell ANSYS
title_fullStr Assessing nanocrystalline pulsed transformer core performance using Maxwell ANSYS
title_full_unstemmed Assessing nanocrystalline pulsed transformer core performance using Maxwell ANSYS
title_short Assessing nanocrystalline pulsed transformer core performance using Maxwell ANSYS
title_sort assessing nanocrystalline pulsed transformer core performance using maxwell ansys
url http://dx.doi.org/10.1063/5.0267903
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