Variation of a sliding mode control applied to a trinary hybrid multilevel inverter

Miguel Vivert, Diego Patino, Rafael Diez

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

6 Scopus citations

Abstract

This article presents a variation of a sliding mode control to supply current to the grid from a Trinary Hybrid Multilevel Inverter. In order to design the sliding mode control, the inverter is modeled as a nonlinear system, and then it is converted into a linear model with disturbance. The proposed sliding mode control does not ensure stability in all the region. However, the unknown stability region tends to zero. The paper validates the nonlinear model comparing it with the switching circuit. Then, the article shows two tests performed on the inverter with the proposed control: changing the amplitude and the angle of the current reference and generating a disturbance in the voltage sources of each H Bridges. Furthermore, a comparative analysis between a PI control and the proposed control validates that the proposed control law presents better tracking response, higher disturbance rejection and better response to parametric uncertain.

Original languageEnglish
Title of host publication2017 IEEE 3rd Colombian Conference on Automatic Control, CCAC 2017 - Conference Proceedings
EditorsDiego Patino, Eugenio Yime
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1-6
Number of pages6
ISBN (Electronic)9781538603987
DOIs
StatePublished - 02 Jul 2017
Event3rd IEEE Colombian Conference on Automatic Control, CCAC 2017 - Cartagena, Colombia
Duration: 18 Oct 201720 Oct 2017

Publication series

Name2017 IEEE 3rd Colombian Conference on Automatic Control, CCAC 2017 - Conference Proceedings
Volume2018-January

Conference

Conference3rd IEEE Colombian Conference on Automatic Control, CCAC 2017
Country/TerritoryColombia
CityCartagena
Period18/10/1720/10/17

Keywords

  • Application of power electronics
  • Control system design
  • Linear Systems
  • Model validation
  • Multilevel Inverter
  • Sliding mode control
  • Stability of nonlinear systems

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