Continuum Modeling of Inductor Hysteresis and Eddy Current Loss Effects in Resonant Circuits

Conference · Sun Oct 01 00:00:00 EDT 2017 · IEEE Energy Conversion Congress and Exposition (ECCE)

DOI:https://doi.org/10.1109/ECCE.2017.8095814· OSTI ID:1408588

Pries, Jason L.  ^[1]; Tang, Lixin  ^[1]; Burress, Timothy A.  ^[1]

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1. ORNL

This paper presents experimental validation of a high-fidelity toroid inductor modeling technique. The aim of this research is to accurately model the instantaneous magnetization state and core losses in ferromagnetic materials. Quasi–static hysteresis effects are captured using a Preisach model. Eddy currents are included by coupling the associated quasi-static Everett function to a simple finite element model representing the inductor cross sectional area. The modeling technique is validated against the nonlinear frequency response from two different series RLC resonant circuits using inductors made of electrical steel and soft ferrite. The method is shown to accurately model shifts in resonant frequency and quality factor. The technique also successfully predicts a discontinuity in the frequency response of the ferrite inductor resonant circuit.

• Research Organization: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
• Sponsoring Organization: USDOE Office of Energy Efficiency and Renewable Energy (EERE)
• DOE Contract Number: AC05-00OR22725
• OSTI ID: 1408588
• Journal Information: IEEE Energy Conversion Congress and Exposition (ECCE), Vol. 2017; Conference: IEEE Energy Conversion Congress and Exposition (IEEE-ECCE 2017) , Cincinnati, Ohio (United States), 1-5 Oct 2017; ISSN 2329-3721
• Publisher: IEEE
• Country of Publication: United States
• Language: English