Test method for experimental verification of subharmonics in PWM controlled voltage source converters

Zoltán Varga, Rafael K. Járdán

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Theoretical analysis has revealed that considerable impact can be found on the operation of ultra high speed machines, caused by subharmonic components [1,2]. The system studied is applied to generate electric power by utilizing renewable energy resources. The results obtained by numerical calculations were confirmed by computer simulations and also by laboratory tests. The low level of subharmonics, superimposed on the fundamental and high frequency components poses a challenge for reliable laboratory measurement; furthermore the large amount of test data makes the process of evaluation laborious. The paper presents a test method developed for the measurement of subharmonic components in a fast and automated way by applying a test arrangement and a computer program developed for the analysis of the test data. The basic idea of the method is described in the paper presenting examples of test results obtained by the method described and comparison is made with the results of corresponding numerical calculations.

Original languageEnglish (US)
Title of host publicationProceedings of EPE-PEMC 2010 - 14th International Power Electronics and Motion Control Conference
PagesT2221-T2225
DOIs
StatePublished - Dec 27 2010
Event14th International Power Electronics and Motion Control Conference, EPE-PEMC 2010 - Ohrid, Macedonia, The Former Yugoslav Republic of
Duration: Sep 6 2010Sep 8 2010

Publication series

NameProceedings of EPE-PEMC 2010 - 14th International Power Electronics and Motion Control Conference

Other

Other14th International Power Electronics and Motion Control Conference, EPE-PEMC 2010
CountryMacedonia, The Former Yugoslav Republic of
CityOhrid
Period9/6/109/8/10

Keywords

  • Harmonics
  • High speed drive
  • Measurement

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