GENERATION OF CHAOS-BASED SPWM AND ANALYSIS OF ITS SPECTRAL PROPERTY FOR SUPPRESSION OF HARMONICS

Abstract

Abstract: There exists cluster harmonics around the multiples of carrier frequency in conventional sinusoidal pulse width modulation (SPWM) output waves. A new strategy for generation of Chaos-based SPWM (CSPWM) is proposed with the aim of reduction harmonic. A one-dimensional tent map is used to vary the frequencies of the triangular carrier wave so that the harmonics can be distributed continuously and equably over a wide frequency range. The new proposed CSPWM scheme is applied to a voltage source inverter. Research results show that it is effective on suppression of harmonics, moreover, it is easy to realize by microprocessor.

Key words: Chaos, Harmonic, PWM

CLC Number:

TM301.2

LU Yimin;ZHANG Bo;MAO Zongyuan. GENERATION OF CHAOS-BASED SPWM AND ANALYSIS OF ITS SPECTRAL PROPERTY FOR SUPPRESSION OF HARMONICS[J]. , 2006, 42(1): 126-129.

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GENERATION OF CHAOS-BASED SPWM AND ANALYSIS OF ITS SPECTRAL PROPERTY FOR SUPPRESSION OF HARMONICS

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