Calculation of losses in ferro- and ferrimagnetic materials based on the modified Steinmetz equation

Reinert, J.; Brockmeyer, A.; Doncker, R.W.A.A. De

doi:10.1109/28.936396

Cited by 563 publications

(197 citation statements)

References 12 publications

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“…According to the typical sinusoidal waveform of the currents in IPT systems, the Steinmetz formulation [35], commonly used in the design of electrical machines [36][37][38][39], is here adopted:…”

Section: Power Losses and Efficiencymentioning

confidence: 99%

Scaling Rules at Constant Frequency for Resonant Inductive Power Transfer Systems for Electric Vehicles

2018

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Abstract:The paper proposes the development of a set of rules for the resizing of inductive power transfer systems with particular attention to the ones dedicated to the charge of electric vehicles. These rules aim at the construction of down-scaled prototypes allowing the study and the design with benefits in terms of costs, time consumption and flexibility. The theoretical results are experimentally validated by comparing a 1.1 kW system with its down-scaled version.

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Section: Power Losses and Efficiencymentioning

confidence: 99%

Scaling Rules at Constant Frequency for Resonant Inductive Power Transfer Systems for Electric Vehicles

2018

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“…The value of the exponent n St , as usually referenced in literature [34], is equal to 2.5, while the coefficient n St depends on a few physical quantities, e.g. core geometry.…”

Section: Solution Strategy For the Electromagnetic Analysis-coupling mentioning

confidence: 99%

Experimental validation of the coupled fluid flow, heat transfer and electromagnetic numerical model of the medium-power dry-type electrical transformer

Smołka

Nowak

2008

International Journal of Thermal Sciences

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“…As usually referenced in the literature [76], the value of the exponent α St is in the range of 1 to 3, the exponent n St is equal to 2.5, while the coefficient m St depends on some quantities, e.g. core geometry.…”

Section: Solution Strategy For Electromagnetic Analysis-coupling Withmentioning

confidence: 99%

Numerical Simulation and Experimental Validation of Coupled Flow, Heat Transfer and Electromagnetic Problems in Electrical Transformers

Smołka

Bíró

Nowak

2009

Arch Computat Methods Eng

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The paper presents a state-of-the-art of the numerical modeling of the coupled problems involving heat, fluid flow and electromagnetic phenomena in electrical transformers. Mathematical descriptions of both Computational Fluid Dynamics (CFD) and electromagnetic (EMAG) models are given. Since these models include other submodels for a definition of boundary conditions as local and temperature-dependent convective and radiative heat fluxes, heat generation terms, temperature-dependent and effective values of material properties for different constructions of coils etc., the component problems published in a subject literature are also reported. Moreover, a coupling procedure of the CFD and EMAG solutions to examine the specific power losses within coils and a core is outlined. On the basis of the mathematical model, a numerical example of a three phase medium-power dry-type electrical transformer is presented. A validation of the numerical calculations is performed using the experimental transformer temperature tests in the short-circuit, open-circuit, and under rated parameters according to the current European Standards for dry-type transformers. During the tests, temperatures were measured at selected points on transformer elements using thermocouples and thermometers, while on the external tank walls an infrared thermography was employed.

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Calculation of losses in ferro- and ferrimagnetic materials based on the modified Steinmetz equation

Cited by 563 publications

References 12 publications

Scaling Rules at Constant Frequency for Resonant Inductive Power Transfer Systems for Electric Vehicles

Scaling Rules at Constant Frequency for Resonant Inductive Power Transfer Systems for Electric Vehicles

Experimental validation of the coupled fluid flow, heat transfer and electromagnetic numerical model of the medium-power dry-type electrical transformer

Numerical Simulation and Experimental Validation of Coupled Flow, Heat Transfer and Electromagnetic Problems in Electrical Transformers

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