Harmonic analysis of PWM inverter modulation strategies

Ying-Yu Tzou, Y. C. Wu

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


This paper presents the harmonic analysis of various pulse width modulation strategies used for the DC-AC converters. An efficient harmonics computation algorithm for piecewise continuous periodic waveforms has been derived. Fourier coefficients of experimentally obtained waveforms or simulation results can be calculated efficiently. Harmonic performance analysis of natural sampling, modified subharmonic control, symmetric/asymmetric uniform, sinusoidal pulse width modulation, and pulse position modulation strategies have been studied. Results can be used as guidelines for the modulation strategies selection in the PWM inverter design.

Original languageEnglish
Pages (from-to)461-480
Number of pages20
JournalInternational Journal of Electronics
Issue number3
StatePublished - 1 Jan 1988

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