IGBT inverter with vector modulation

J. Rodriguez, E. Wiechmann, J. Holtz, A. Suarez, M. Sepulveda

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

5 Citations (Scopus)

Abstract

This work presents the design of a three-phase inverter with Insulated Gate Bipolar Transistors (IGBT's). The pulse width modulation technique based on the space vector theory is analyzed in detail. The modulation strategy considers the calculation of the on-times of the different voltage vectors that must be applied to the load, to generate the voltage vector required by the speed control system of the machine. These times are calculated previously and stored in a ROM, producing a simple, reliable, compact and low cost digital modulator. The inverter behaves as a voltage source with variable amplitude and frequency. By using the space vector theory, the number of commutations in the inverter is minimized, reaching a reduction in the switching frequency and in the current distortion.

Original languageEnglish
Title of host publicationIEEE International Symposium on Industrial Electronics
Pages131-136
Number of pages6
Publication statusPublished - 1994
EventProceedings of the 1994 IEEE International Symposium on Industrial Electronics - Santiago, Chile
Duration: 25 May 199427 May 1994

Other

OtherProceedings of the 1994 IEEE International Symposium on Industrial Electronics
CitySantiago, Chile
Period25/05/9427/05/94

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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