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Fourier theory of jumps applied to converter harmonic analysis

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3 Author(s)
Tooth, D.J. ; Agilent Technol., UK ; Finney, S.J. ; Williams, B.W.

The Fourier theory of jumps (FTJ) is demonstrated as an aid in deriving closed-form analytical equations for converter switching harmonics. The switching waveforms analyzed are the input current and output voltage and current of a three-phase, ac-dc, step-down, dead-band pulsewidth modulated (PWM), unity power factor converter. The input current closed-form harmonic equation is derived for two parallel-connected, interleaved-PWM converters supplying the same load and sharing a common input filter. The equations are compared with PSpiceTM simulations and practical results

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Aerospace and Electronic Systems, IEEE Transactions on  (Volume:37 ,  Issue: 1 )