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30th Annual IEEE Power Electronics Specialists Conference. Record. (Cat. No.99CH36321)
AC losses due to non-sinusoidal current waveforms have been found by calculating the losses at harmonic frequencies when the Fourier coefficients are known. An optimized foil or layer thickness in a winding may be found by applying the Fourier analysis over a range of thickness values. This paper presents a new formula for the optimum foil or layer thickness, without the need for Fourier coefficients and calculations at harmonic frequencies. The new formula requires the rms value of the currentdoi:10.1109/pesc.1999.789077 fatcat:c74n5lhg25dl5pwltignzfmh2u