Thermal characterisation of planar transformers

Sauseng, Paul; Ionescu, Ciprian; Codreanu, Norocel; Golumbeanu, V.

doi:10.1109/isse.2004.1490435

Cited by 3 publications

(2 citation statements)

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“…For example, in [67], thermal finite element simulations were performed to compute the temperature distribution of a 65 W, 300 kHz planar transformer in free convection cooling mode. The heat transfer coefficients were computed from the experimental correlations and applied only to the top and bottom surfaces of the windings.…”

Section: ) Finite Element Modelingmentioning

confidence: 99%

Thermal Modeling of Planar Magnetics: Fundamentals, Review and Key Points

2023

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High-frequency and high-power density converters are essential for many applications such as automotive and more electric aircraft. To improve power density, planar magnetic components are increasingly used in power electronic converters owing to their advantages, such as less high-frequency losses, repeatability, and better thermal performance compared to conventional wound components. Considerable attention has been paid to their electrical performance. However, the thermal aspects are essential for enhancing completely their performance. Currently, there is an increasing interest in these critical aspects of high-density power converters. This paper presents a literature review of studies on the thermal modeling of planar magnetics. The papers were organized according to the model type and analyzed to highlight their merits and limitations. A multicriteria comparison of the studied papers was performed. Moreover, the key points and issues related to the thermal modeling are addressed to guide designers in enhancing the thermal aspects of planar magnetic components.INDEX TERMS Planar magnetics, High frequency magnetics, Thermal modeling, high power density.

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Section: ) Finite Element Modelingmentioning

confidence: 99%

Thermal Modeling of Planar Magnetics: Fundamentals, Review and Key Points

2023

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“…An important advantage of the model is that it allows individual adjustment of all parameters of the magnetic structure. This helps to design and built magnetic components with high accuracy and, in turns, better performance of the power electronics converters (Aboulnaga et al , 2002; Svasta et al , 2004; Hu et al , 2006; Yanshen et al , 2006; Liang and Lehman, 2001; Deng et al , 2021).…”

Section: Introductionmentioning

confidence: 99%

Gyrator-capacitor based modelling and simulation of forward converter

Koseni

Yıldız

2022

COMPEL

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Purpose This paper aims to propose an efficient model for analysis of power electronic circuits with integrated magnetic components. Design/methodology/approach The inductance modeling technique is used as the traditional method for analyzing magnetic components. This model is simple and enough to generate for individual components, that is, an inductor and a transformer. However, it becomes difficult to realize this model for the integrated magnetic structures. This paper shows an appropriate model for individual magnetic components as well as integrated magnetic components and its application to magnetically coupled DC–DC converters. Gyrator–capacitor (G–C) modeling offers a unified, reasonable way of understanding the magnetic components commonly met with in power electronics and the other disciplines. Findings G–C model allows any electrical and magnetic circuit to be simultaneously simulated with circuit simulators. In this regard, this paper gives a complete simulation model and analysis as an illustrative example. There is no limitation of this paper or future works. The proposed G–C model can be applied to all power electronic circuits having integrated magnetic components. Originality/value In the proposed model, the magnetic circuit is converted to a pure electric circuit with capacitors and controlled sources; every winding is replaced with a pair of current controlled voltage sources, namely, a gyrator.

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Thermal Coupling and Network Modeling for Planar Transformers

Shen

Liu

et al. 2018

2018 IEEE Energy Conversion Congress and Exposition (ECCE)

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Thermal characterisation of planar transformers

Cited by 3 publications

References 0 publications

Thermal Modeling of Planar Magnetics: Fundamentals, Review and Key Points

Thermal Modeling of Planar Magnetics: Fundamentals, Review and Key Points

Gyrator-capacitor based modelling and simulation of forward converter

Thermal Coupling and Network Modeling for Planar Transformers

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