Analysis methods and design of transformers with low leakage inductance for pulsed power applications

Doebbelin, R.; Herms, R.; Teichert, C.; Schaetzing, W.; Lindemann, Andreas

doi:10.1109/epe.2007.4417621

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Estimation Of Leakage Inductance On E Core Transformer1

Introduction1

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Cited by 5 publications

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“…It is seen in [8,[11][12][13], by sandwiching the windings, leakage inductance reduces by p 2 times, where p is the number of interfaces between primary and secondary [8]:…”

Section: Estimation Of Leakage Inductance On E Core Transformermentioning

confidence: 99%

See 1 more Smart Citation

Improved Expression for Estimation of Leakage Inductance in E Core Transformer Using Energy Method

Thondapu

Borage

Wanmode

et al. 2012

Advances in Power Electronics

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This paper proposes a simpler and more accurate expression for estimation of leakage inductance in E core transformer, which is the most widely used transformer structure. The derived expression for leakage inductance accounts for the flux extending into air. The finite element method (FEM) analysis is made on the secondary shorted transformer to observe the H-field pattern. The results obtained from FEM analysis are used for approximating the field that is extending into air to derive an expression for leakage inductance. This expression is experimentally validated on prototype transformers of different core dimensions.

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“…It is seen in [8,[11][12][13], by sandwiching the windings, leakage inductance reduces by p 2 times, where p is the number of interfaces between primary and secondary [8]:…”

Section: Estimation Of Leakage Inductance On E Core Transformermentioning

confidence: 99%

“…Methods that are usually employed for estimation of leakage inductance are (i) energy method [8][9][10][11][12][13] and (ii) method of mutual fluxes.…”

Section: Introductionmentioning

confidence: 99%