Efficiency Evaluation of Induction Motors Supplied by VFDs

Johnny Rengifo, Junniers Romero, Jose M. Aller

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

1 Scopus citations

Abstract

This paper presents an evaluation of the effects of variable frequency drives (VFDs) on induction machines efficiency. For this purpose, an experimental evaluation using international standards IEEE 112, IEC 60034-2-1 and IEC 60034-2-3 (draft version), was set up. These standards estimated the induction machine's efficiency based on a loss segregation approach to consider the stator, core, friction, rotor, stray-load, and additional losses contribution. Additionally, the machine's losses were studied using a time-stepping, 2D, Finite Element Method (FEM) analysis on the open-source software Gmsh-GetDP. This analysis used voltage waveforms suggested by IEC 60034-2-3 and a motor design with the same rated characteristics to those used in the experimental stage.

Original languageEnglish
Title of host publication2018 IEEE 3rd Ecuador Technical Chapters Meeting, ETCM 2018
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781538666579
DOIs
StatePublished - 17 Dec 2018
Event3rd IEEE Ecuador Technical Chapters Meeting, ETCM 2018 - Cuenca, Ecuador
Duration: 15 Oct 201819 Oct 2018

Publication series

Name2018 IEEE 3rd Ecuador Technical Chapters Meeting, ETCM 2018

Conference

Conference3rd IEEE Ecuador Technical Chapters Meeting, ETCM 2018
Country/TerritoryEcuador
CityCuenca
Period15/10/1819/10/18

Bibliographical note

Publisher Copyright:
© 2018 IEEE.

Keywords

  • Analytical loss models
  • efficiency testing standards
  • energy efficiency
  • finite element analysis
  • harmonic analysis

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