Fast Pulse Width Modulator For Three-Phase Inverters

Stanislaw Legowski; Andrzej M. Trzynadlowski

doi:10.1117/12.942979

19 October 1987 Fast Pulse Width Modulator For Three-Phase Inverters

Stanislaw Legowski, Andrzej M. Trzynadlowski

Proceedings Volume 0854, IECON '87: Motor Control and Power Electronics; (1987) https://doi.org/10.1117/12.942979
Event: IECON, Cambridge, 1987, Cambridge, MA, United States

Abstract

A high-speed, microprocessor-based pulse width modulator for three-phase inverters, realizing the so called incremental pulse width modulation algorithm, is presented. Computational simplicity of the algorithm results in fast, on-line operating capability and low memory requirements of the modulator. Fast operation of the modulator ensures high effectiveness of low-order harmonic reduction of the inverter output voltage. Principles of the incremental pulse width modulation are explained and experimental results are provided along with the description of the modulator.

Citation Download Citation

Stanislaw Legowski and Andrzej M. Trzynadlowski "Fast Pulse Width Modulator For Three-Phase Inverters", Proc. SPIE 0854, IECON '87: Motor Control and Power Electronics, (19 October 1987); https://doi.org/10.1117/12.942979

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