2010•Russian Electrical EngineeringRequires access

An alternative to vector pulse-width modulation in three-phase voltage-source inverters

Н. В. Донской, K. A. Chubukov

Abstract

A comparative analysis of different variants of the pulse-width modulation (PWM) is carried out based on the separation of smooth components of phase voltages of three-phase voltage-source inverters (VSIs). It is shown that some variants of PWM with the premodulation of sinusoidal control signals are not worse than PWM vectors in either the quality of the output voltage of the VSI and the composition of harmonics and by the simplicity of implementation.

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Available abstract

Key concepts: Pulse-width modulation, Harmonics, Voltage source, Voltage, Modulation (music), Control theory (sociology), Three-phase, Pulse (music)