A Simplified Modulated Model Predictive Control for a Grid-Tied Three-Level T-Type Inverter

Junzhong Xu, Thiago Batista Soeiro, Fei Gao, Houjun Tang, Pavol Bauer

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

Abstract

The implementation of finite-control-set model predictive control (FCS-MPC) in grid-tied inverters can make the system to suffer from poor harmonics performance, which may complicate the AC filter design for compliance with strict harmonic standards. To overcome this shortcoming, a simplified modulated model predictive control strategy is proposed in this paper. This control strategy not only improves current waveform total harmonic distortion (THD) without introducing additional weight factor in the cost function but can also shorten running/computational time without compromising the performance of fast current dynamic response. Herein, the detailed implementation of this control strategy is given, while considering its application to the current feedback control loop of a three-phase three-level T-type inverter modulated at constant switching frequency. Finally, PLECS circuit simulations are used to verify the feasibility and effectiveness of the proposed control strategy and to benchmark its performance to the classical FCS-MPC strategy and the application of a PI-controller.

Original languageEnglish
Title of host publication2020 IEEE 29th International Symposium on Industrial Electronics (ISIE)
Subtitle of host publicationProceedings
Place of PublicationPiscataway
PublisherIEEE
Pages618-623
Number of pages6
ISBN (Electronic)978-1-7281-5635-4
ISBN (Print)978-1-7281-5636-1
DOIs
Publication statusPublished - 2020
Event29th IEEE International Symposium on Industrial Electronics - Delft, Netherlands
Duration: 17 Jun 202019 Jun 2020
http://isie2020.org/index.php

Conference

Conference29th IEEE International Symposium on Industrial Electronics
Abbreviated titleISIE 2020
CountryNetherlands
CityDelft
Period17/06/2019/06/20
OtherVirtual/online event due to COVID-19
Internet address

Keywords

  • Finite-control-set model predictive control (FCSMPC)
  • modulated model predictive control (MMPC)
  • three-level T-type NPC inverter

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