An improvement to standard polyphase induction machine efficiency tests utilizing direct online stator winding resistance measurement

Ralph Feldman, Zhang He, Matteo Tomasini, Keith Bradley, Patrick Wheeler

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

Abstract

A direct online stator winding resistance measurement scheme is proposed as a means to improve standard efficiency tests of polyphase induction machines. To enable resistance measurement a DC current is injected online into the stator winding and response voltages are captured. In experimental tests an unequal number of anti-parallel diodes has been used to inject DC current. A bespoke temperature controlled shunt has been used to improve accuracy of DC current measurement. Experimental results from a standard efficiency test conducted to IEC 60034-2-2007 on a 15 kW 3 phase induction motor are presented.

Original languageEnglish
Title of host publication2009 13th European Conference on Power Electronics and Applications, EPE '09
Publication statusPublished - 2009
Externally publishedYes
Event2009 13th European Conference on Power Electronics and Applications, EPE '09 - Barcelona, Spain
Duration: 8 Sep 200910 Sep 2009

Publication series

Name2009 13th European Conference on Power Electronics and Applications, EPE '09

Conference

Conference2009 13th European Conference on Power Electronics and Applications, EPE '09
Country/TerritorySpain
CityBarcelona
Period8/09/0910/09/09

Keywords

  • Efficiency
  • Induction motor
  • Measurement
  • Standard

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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