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Stator reference frame approach for DC injection-based stator resistance estimation in electric drives
ABB Corporate Research.
ABB Corporate Research.
ABB Corporate Research.
2015 (English)In: Proceedings of the 11th IEEE International Conference on Power Electronics and Drive Systems (PEDS), Institute of Electrical and Electronics Engineers (IEEE), 2015, p. 867-872, article id 7203391Conference paper, Published paper (Refereed)
Abstract [en]

This work discusses an online stator resistance estimation method for synchronous machines. Multiple improvements are provided with respect to a similar method already been used for induction machines. The method is based on the temporary injection of a DC voltage in the machine phases during normal operation. The stator resistance estimation is obtained by means of the Ohm's law. The proposed scheme works entirely in the stator fixed reference frame, without the need of any machine parameter. The selection of the DC injection level is discussed, as well as the countermeasures for reducing the spurious harmonics appearing in the currents and the torque when the machine is speed- and current-regulated. In particular, minimum electric loss and minimum torque ripple due to the injection is achieved. Moreover, as an alternative to conventional low-pass filtering of the measured signals, it is shown that the resistance estimation can be obtained by averaging the signals over few electric periods. Experiments prove the validity of the proposed approach.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2015. p. 867-872, article id 7203391
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-235027DOI: 10.1109/PEDS.2015.7203391Scopus ID: 2-s2.0-84952038944ISBN: 9781479944033 (print)OAI: oai:DiVA.org:kth-235027DiVA, id: diva2:1248360
Conference
11th IEEE International Conference on Power Electronics and Drive Systems, PEDS 2015, Sydney, Australia, 9 June 2015 through 12 June 2015
Note

QC 20180921

Available from: 2018-09-14 Created: 2018-09-14 Last updated: 2018-09-21Bibliographically approved

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Peretti, Luca

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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  • Other style
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Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
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  • asciidoc
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