Optimizing the AC resistance of multilayer transformer windings with arbitrary current waveforms

By William Gerard Hurley, E. Gath, John G. Breslin. 30th Annual IEEE Power Electronics Specialists Conference. Record. (Cat. No.99CH36321), 2000

407 citations recorded by the source corpus.

Subfields: Electrical and Electronic Engineering, Electronic, Optical and Magnetic Materials

View Paper: https://www.semanticscholar.org/paper/a1998fc8e2118710574a82d20d3df50be9026010

How researchers see this paper

The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.

In Electrical and Electronic Engineering

In Electronic, Optical and Magnetic Materials

Citations in the corpus

Measurements and Performance Factor Comparisons of Magnetic Materials at High Frequency (2015, background): “This is Case 2 in [20] and is also the case considered in the winding optimization analysis in [21].”
Impact of Power Density Maximization on Efficiency of DC–DC Converter Systems (2007, methodology): “In case of the phase-shift converter, the models mainly consist of analytic expressions for the flux distribution and the optimal thickness/diameter of the foil/wires for the windings [18].”
Optimized design of medium frequency transformers with high isolation requirements (2010, methodology): “On the other hand, the current waveform determines the thickness or diameter of the copper conductors, which in general case can be optimized for arbitrary current waveforms [12].”
PWM Converter Power Density Barriers (2007, methodology): “This could be either a foil winding or several parallel connected solid wires, which can be transformed in an equivalent foil winding [39].”
Computationally efficient winding loss calculation with multiple windings, arbitrary waveforms, and two-dimensional or three-dimensional field geometry (2001, methodology): “The squared field derivative, or corresponding squared winding current derivatives, have been used by many authors, including [19]–[21], [23].”
High-Efficiency Isolated Boost DC–DC Converter for High-Power Low-Voltage Fuel-Cell Applications (2010, methodology): “[22] are used to analyze the winding ac resistance of four alternative winding configurations, as shown in Fig.”
Accurate prediction of high-frequency power-transformer losses and temperature rise (2002, methodology): “For example, in [14] an exact analytical solution for ac-resistance of round wires is given while in [ 15 ] an convenient method for foil winding loss calculation without a need for Fourier analysis is presented.”
Combined Phase-Shift and Frequency Modulation of a Dual-Active-Bridge AC–DC Converter With PFC (2016, methodology): “For the ac- and dc-side windings, copper foil is used where the optimal foil thickness is calculated according to [24], which gives a minimum value of effective ac resistance.”
Inductors and Transformers for Power Electronics (2005, background): “5B9 [14], NANOPERM consisting of Fe-M-B (M = Zr, Nb at 5–7%, and B of 2–6%) [15, 16].”
Overview of Planar Magnetic Technology—Fundamental Properties (2014, background): “3, and a straightforward expression for the effective ac resistance of a winding with an arbitrary current waveform is suggested in [35].”
Optimal Design and Tradeoff Analysis of Planar Transformer in High-Power DC–DC Converters (2012, unknown): “The most outstanding work as a calculation method of the ac resistance for any current waveform to correct Dowell’s assumptions can be found in [8].”