Zobrazeno 1 - 9 of 9 pro vyhledávání: '"Claus Kjeldsen"'
3
Simple Equivalent Circuit Capacitance Model for Two-Winding Transformers
Autor: Christian Ostergaard, Morten Nymand, Claus Kjeldsen
Publikováno v: Ostergaard, C, Kjeldsen, C & Nymand, M 2020, Simple equivalent circuit capacitance model for two-winding transformers . in 2020 IEEE Vehicle Power and Propulsion Conference (VPPC) . IEEE, IEEE Vehicle Power and Propulsion Conference (VPPC), 17th IEEE Vehicle Power and Propulsion Conference, VPPC 2020, Virtual, Gijon, Spain, 18/11/2020 . https://doi.org/10.1109/VPPC49601.2020.9330873
This paper highlights how a currently available transformer equivalent circuit model incorrectly represents the transformer performance, in scenarios where both sides of the transformer are fixed to a common reference-point. A new transformer equival
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ca2ed4a35aeb5e71188c2861e34a432a
https://doi.org/10.1109/vppc49601.2020.9330873
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4
A New Transformer Model with Separate Common-Mode and Differential-Mode Capacitance
Autor: Morten Nymand, Claus Kjeldsen, Christian Ostergaard
Publikováno v: Østergaard, C, Kjeldsen, C & Nymand, M 2020, A New Transformer Model with Separate Common-Mode and Differential-Mode Capacitance . in Proceedings-IECON 2020 : 46th Annual Conference of the IEEE Industrial Electronics Society ., 9255142, IEEE, IECON Proceedings (Industrial Electronics Conference), vol. 2020-October, Proceedings of the Annual Conference of the IEEE Industrial Electronics Society, pp. 1198-1204, 46th Annual Conference of the IEEE Industrial Electronics Society, IECON 2020, Virtual, Singapore, Singapore, 19/10/2020 . https://doi.org/10.1109/IECON43393.2020.9255142
IECON
Web of Science
A new transformer equivalent circuit model is presented containing separate common-mode and differential-mode capacitors, allowing for direct and simple analysis of the transformers influence. The representation of common-mode and differential-mode s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1ad22e03cd04e22dc8f0862ffdc8455d
https://findresearcher.sdu.dk:8443/ws/files/183171243/A_new_transformer_model_with_separate_common_mode_and_differential_mode_capacitance_IEEE_PDF_eXpress_approved_2.pdf
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5
Procedure to compare different design methods for implementation-ready high power inductors
Autor: Morten Nymand, Claus Kjeldsen, Rakesh Ramachandran, Christian Ostergaard
Publikováno v: Kjeldsen, C, Østergaard, C, Nymand, M & Ramachandran, R 2019, Procedure to compare different design methods for implementation-ready high power inductors . in Proceedings-2019 IEEE 13th International Conference on Compatibility, Power Electronics and Power Engineering, CPE-POWERENG 2019 . IEEE, 13th IEEE International Conference on Compatibility, Power Electronics and Power Engineering, CPE-POWERENG 2019, Sønderborg, Denmark, 23/04/2019 . https://doi.org/10.1109/CPE.2019.8862336
In order to realize efficienct high power inductors with high power density, different design methods should be compared. This paper proposes a design procedure where different design methods are compared to find appropriate inductor designs for any
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1b36ee55bd24543e7f871c6cdb07786a
https://doi.org/10.1109/cpe.2019.8862336
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6
Demonstration of a Compact Hard-Switched 3.5 kW DC/DC Converter utilizing Planar Magnetics optimized for low Capacitive Loss
Autor: Christian Østergaard, Claus Kjeldsen, Morten Nymand
Publikováno v: University of Southern Denmark
Oestergaard, C, Kjeldsen, C S & Nymand, M 2021, Demonstration of a Compact Hard-Switched 3.5 kW DC/DC Converter utilizing Planar Magnetics optimized for low Capacitive Loss . in 2021 23rd European Conference on Power Electronics and Applications, EPE 2021 ECCE Europe . IEEE, 23rd European Conference on Power Electronics and Applications, EPE 2021 ECCE Europe, Ghent, Belgium, 06/09/2021 . < https://ieeexplore.ieee.org/document/9570592 >
Web of Science
It is necessary to accurately determine the power losses in a converter to obtain a high efficient design. This paper presents an in-depth analysis of all the power losses in a converter. The capacitive loss of the transformer and switches is investi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ca7a985497949d8fa6481552359b1258
https://portal.findresearcher.sdu.dk/en/publications/3b166690-9809-47ad-88d3-d0b2aadf3e7a
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7
Calculation of Planar Transformer Capacitance Based on the Applied Terminal Voltages
Autor: Morten Nymand, Christian Ostergaard, Claus Kjeldsen
Publikováno v: Web of Science
Østergaard, C, Kjeldsen, C S & Nymand, M 2020, Calculation of Planar Transformer Capacitance Based on the Applied Terminal Voltages . in 2020 IEEE 21st Workshop on Control and Modeling for Power Electronics (COMPEL) . IEEE, 2020 IEEE 21st Workshop on Control and Modeling for Power Electronics (COMPEL), Aalborg, Denmark, 09/11/2020 . https://doi.org/10.1109/COMPEL49091.2020.9265797
In order to calculate the parasitic capacitors of a transformer, it is important to apply the correct transformer terminal voltages such that only the desired lumped capacitors are charged. This paper shows the correct transformer terminal voltages t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e5ade9accefba7beae3a9ed0713ea80e
https://publons.com/wos-op/publon/54354221/
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8
Optimized Planar Inductor for a High Current 3.5 kW Isolated DC/DC Converter
Autor: Christian Østergaard, Claus Kjeldsen, Morten Nymand
Publikováno v: Web of Science
University of Southern Denmark
Oestergaard, C, Kjeldsen, C S & Nymand, M 2021, Optimized Planar Inductor for a High Current 3.5 kW Isolated DC/DC Converter . in 2021 23rd European Conference on Power Electronics and Applications, EPE 2021 ECCE Europe . IEEE, 23rd European Conference on Power Electronics and Applications, EPE 2021 ECCE Europe, Ghent, Belgium, 06/09/2021 . < https://ieeexplore.ieee.org/document/9570418 >
The paper presents several planar inductors optimized for low power loss in a 3.5 kW isolated full-bridge forward converter, which is operated at a large output current. The inductors are optimized by use of a winding configuration which is proven to
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fc137f68b20e76d5a644c22705de26f4
https://publons.com/wos-op/publon/54354215/
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