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논문 기본 정보

자료유형
학술대회자료
저자정보
H. Wouters (KU Leuven) C. Suarez (KU Leuven) W. Martinez (KU Leuven)
저널정보
전력전자학회 ICPE(ISPE)논문집 ICPE 2023-ECCE Asia
발행연도
2023.5
수록면
294 - 300 (7page)

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초록· 키워드

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Controllable magnetic components using orthogonal biasing flux, contrary to the widely researched parallel biasing, offer minimal interaction with the main flux. However, it comes with substantial challenges due to core design constraints. Currently, mostly pot and UR cores are employed, resulting in large discrepancies with mathematical models. Subsequently, more current is required to control the inductance, generating higher losses. This paper analyses a commercial hollow toroid core for an orthogonally biased controllable inductor. A mathematical model is established, and Ansys-Maxwell FEA simulations are employed to analyse its behaviour and the impact of its uneven crosssectional areas. The characterisation is validated in extensive simulations and an experimental setup, through both small-and large-signal characterisations. The prototype controllable inductor indicates a good match between the simulations and experimental results. Finally, an improved design is suggested to maximise the inductance variation, resulting in a better match with the model and lower losses.

목차

Abstract
I. INTRODUCTION
II. MATHEMATICAL MODEL
III. SMALL SIGNAL SIMULATIONS
IV. LARGE SIGNAL SIMULATIONS
V. EXPERIMENTAL VALIDATION
VI. CONCLUSIONS
REFERENCES

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