Analysis and design of choke inductors for switched-mode power inverters
This paper presents the design, analytical estimation of power losses, and experimental
measurement of choke inductors for switched-mode power inverters. The described …
measurement of choke inductors for switched-mode power inverters. The described …
GaN-based ZVS bridgeless dual-SEPIC PFC rectifier with integrated inductors
This article investigates the gallium nitride based bridgeless dual single-ended primary
inductor converter (SEPIC) power factor correction (PFC) with full input voltage range zero …
inductor converter (SEPIC) power factor correction (PFC) with full input voltage range zero …
Further improvements in topological transformer model covering core saturation
This paper is devoted to improvements of the low-frequency topological model of a three-
legged stacked-core transformer. It is shown that hysteresis loops employed in the …
legged stacked-core transformer. It is shown that hysteresis loops employed in the …
Calculation methodologies of complex permeability for various magnetic materials
ES Lee, BG Choi - Electronics, 2021 - mdpi.com
In order to design power converters and wireless power systems using high-frequency
magnetic materials, the magnetic characteristics for the inductors and transformers should …
magnetic materials, the magnetic characteristics for the inductors and transformers should …
Thermal analysis of power transformer using an improved dynamic thermal equivalent circuit model
M Mikhak-Beyranvand, J Faiz… - … Power Components and …, 2019 - Taylor & Francis
To insure the health of power transformers insulation, its heat distribution in different
operating conditions must be determined. In extended thermal equivalent circuits (TECs) …
operating conditions must be determined. In extended thermal equivalent circuits (TECs) …
Effective permeability of multi air gap ferrite core 3-phase medium frequency transformer in isolated DC-DC converters
P Dworakowski, A Wilk, M Michna, B Lefebvre… - Energies, 2020 - mdpi.com
The magnetizing inductance of the medium frequency transformer (MFT) impacts the
performance of the isolated dc-dc power converters. The ferrite material is considered for …
performance of the isolated dc-dc power converters. The ferrite material is considered for …
Modified Preisach model of hysteresis in multi air gap ferrite core medium frequency transformer
This article presents the modified Preisach model of hysteresis for a 3-phase medium
frequency transformer in a 100 kW dual active bridge converter. The transformer magnetic …
frequency transformer in a 100 kW dual active bridge converter. The transformer magnetic …
Measurement and calculation techniques of complex permeability applied to Mn-Zn ferrites based on iterative approximation curve fitting and modified equivalent …
P Szczerba, S Ligenza, C Worek - Electronics, 2023 - mdpi.com
In many cases, power inductors are responsible for most of the power loss, volume, and cost
if applied to high-frequency power electronics applications. It is desirable to optimize their …
if applied to high-frequency power electronics applications. It is desirable to optimize their …
Gapless Transformer Design by Using Nanocrystalline Flake Ribbon
Air gaps are essential to avoid core saturation in power magnetic components. However,
discrete air gaps cause more severe fringing effect which increase winding and core losses …
discrete air gaps cause more severe fringing effect which increase winding and core losses …
Analysis and introduction of effective permeability with additional air-gaps on wireless power transfer coils for electric vehicle based on SAE J2954 recommended …
The wireless power transfer (WPT) method for electric vehicles (EVs) is becoming more
popular, and to ensure the interoperability of WPT systems, the Society of Automotive …
popular, and to ensure the interoperability of WPT systems, the Society of Automotive …