Multi level hysteresis direct power control strategy for three-level npc rectifier

Billel Kahia, Abdelouaheb Bouafia, Mohamed Abdelrahem, Zhenbin Zhang, Abdelmadjid Chaoui, Abdelbasset Krama, Ralph Kennel

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

2 Scopus citations

Abstract

Using the conventional look-up table-direct power control (LUT-DPC) strategy with its two-level hysteresis comparators and conventional switching table, poor regulation of active power (abnormal fluctuations appeared in reactive power waveform), non-sinusoidal input currents with a little high THD and depressed power factor are obtained. This study therefore set out to solve these problems; the conventional switching table and the two level hysteresis comparators are replaced respectively by a new switching table and three level hysteresis comparators. In this way, the influence of each voltage vectors are determined through utilizing the instantaneous power theory. Finally, the effectiveness of the proposed DPC strategy is verified, sinusoidal input currents with low high total harmonic distortion (THD), smooth regulation of both powers (active and reactive power) are achieved, and the simplicity of the conventional DPC is kept.

Original languageEnglish
Title of host publication2017 5th International Conference on Electrical Engineering - Boumerdes, ICEE-B 2017
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1-6
Number of pages6
ISBN (Electronic)9781538606865
DOIs
StatePublished - 12 Dec 2017
Event5th International Conference on Electrical Engineering - Boumerdes, ICEE-B 2017 - Boumerdes, Algeria
Duration: 29 Oct 201731 Oct 2017

Publication series

Name2017 5th International Conference on Electrical Engineering - Boumerdes, ICEE-B 2017
Volume2017-January

Conference

Conference5th International Conference on Electrical Engineering - Boumerdes, ICEE-B 2017
Country/TerritoryAlgeria
CityBoumerdes
Period29/10/1731/10/17

Keywords

  • Three level neutral point clamped
  • direct power control
  • switch table
  • three level hysteresis comparators

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