Performance testing of a single-phase voltage-source wavelet modulated AC-DC converter

This paper presents the development and performance testing of a new switching strategy for single-phase (1φ) voltage-source (VS) AC-DC converters. The proposed switching strategy is based on employing scale-based linearly-combined wavelet basis functions and their dual synthesis ones for switching 1φ 4-pulse bridge AC-DC converters. The employed wavelet basis functions are meant to sample a DC reference signal in a non-uniform recurrent manner, then reconstruct it using the AC-DC converter's switching actions. The output of such an AC-DC converter is found to contain low harmonic contents along with a unity input power factor.

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