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An efficient reactive power regulation based DPC method for AC/DC converters

  • Xi'an University of Technology
  • Xi'an Shiyou University

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

Abstract

To eliminate the cyclical fluctuation problems of the reactive power existing in the traditional direct power control (DPC), a novel method is proposed for the three-phase voltage source AC/DC converter. It employs two switching tables to select the proper switching states according to the instantaneous reactive power deviations. The design principle of the switching tables is provided to ensure the efficient reactive power regulation. Moreover, it should guarantee the steady characteristic of the converter system. The simulation model established under the MATLAB/Simulink environment and the experiment were presented to compare the characteristics obtained by the proposed strategy with that obtained by the traditional DPC strategy. The results show that the ac current obtained by the proposed strategy has the much lower total harmonic distortion rate (THD), and the fluctuation range of the reactive power has the more than two times reduction.

Original languageEnglish
Title of host publication9th International Conference on Power Electronics - ECCE Asia
Subtitle of host publication"Green World with Power Electronics", ICPE 2015-ECCE Asia
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages2675-2680
Number of pages6
ISBN (Electronic)9788957082546
DOIs
StatePublished - 27 Jul 2015
Externally publishedYes
Event9th International Conference on Power Electronics - ECCE Asia, ICPE 2015-ECCE Asia - Seoul, Korea, Republic of
Duration: 1 Jun 20155 Jun 2015

Publication series

Name9th International Conference on Power Electronics - ECCE Asia: "Green World with Power Electronics", ICPE 2015-ECCE Asia

Conference

Conference9th International Conference on Power Electronics - ECCE Asia, ICPE 2015-ECCE Asia
Country/TerritoryKorea, Republic of
CitySeoul
Period1/06/155/06/15

Keywords

  • Converters
  • direct power control (DPC)
  • reactive power
  • switching state

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