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**Harvard**

Bahmani, M. och Thiringer, T. (2015) *Accurate Evaluation of Leakage Inductance in High Frequency Transformers Using an Improved Frequency-Dependent Expression*.

** BibTeX **

@article{

Bahmani2015,

author={Bahmani, Mohammad Amin and Thiringer, Torbjörn},

title={Accurate Evaluation of Leakage Inductance in High Frequency Transformers Using an Improved Frequency-Dependent Expression},

journal={IEEE transactions on power electronics},

issn={0885-8993},

volume={30},

issue={10},

pages={5738-5745},

abstract={Moving towards higher power density in magnetic components, which is often realized by increasing the operating frequency, leads to the need for development of more accurate design tools, for example more accurate expressions for core losses, winding losses and leakage inductance calculations. This paper presents a new analytical expression intended to accurately evaluate the leakage inductance of transformers in the high frequency range in which the behavior of the magnetic field within the windings is altered. Unlike conventional expressions, which usually overestimate the leakage inductance at higher frequencies, this expression accounts for high frequency behavior of the magnetic field and provides high accuracy when operating at high frequencies. These high accuracy and applicability makes the derived expression of interest for designers to avoid time consuming finite element simulations without compromising with accuracy. The expression is validated by 2-D FEM simulation, as well as by measurements.},

year={2015},

keywords={High frequency transformer, leakage inductance},

}

** RefWorks **

RT Journal Article

SR Electronic

ID 206303

A1 Bahmani, Mohammad Amin

A1 Thiringer, Torbjörn

T1 Accurate Evaluation of Leakage Inductance in High Frequency Transformers Using an Improved Frequency-Dependent Expression

YR 2015

JF IEEE transactions on power electronics

SN 0885-8993

VO 30

IS 10

SP 5738

OP 5745

AB Moving towards higher power density in magnetic components, which is often realized by increasing the operating frequency, leads to the need for development of more accurate design tools, for example more accurate expressions for core losses, winding losses and leakage inductance calculations. This paper presents a new analytical expression intended to accurately evaluate the leakage inductance of transformers in the high frequency range in which the behavior of the magnetic field within the windings is altered. Unlike conventional expressions, which usually overestimate the leakage inductance at higher frequencies, this expression accounts for high frequency behavior of the magnetic field and provides high accuracy when operating at high frequencies. These high accuracy and applicability makes the derived expression of interest for designers to avoid time consuming finite element simulations without compromising with accuracy. The expression is validated by 2-D FEM simulation, as well as by measurements.

LA eng

DO 10.1109/TPEL.2014.2371057

LK http://dx.doi.org/10.1109/TPEL.2014.2371057

OL 30