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author:

Ipoum-Ngome, Paul Gistain (Ipoum-Ngome, Paul Gistain.) [1] | Flesch, Rodolfo Cesar Costa (Flesch, Rodolfo Cesar Costa.) [2] | Mon-Nzongo, Daniel Legrand (Mon-Nzongo, Daniel Legrand.) [3] | Tang, Jinquan (Tang, Jinquan.) [4] | Jin, Tao (Jin, Tao.) [5] (Scholars:金涛) | Wang, Mengqi (Wang, Mengqi.) [6]

Indexed by:

EI Scopus SCIE

Abstract:

In this article, a fault-tolerant model-free predictive controller (FT-MFPC) for cascaded H-bridge multilevel inverters (CHMLIs) is proposed. FT-MFPC is based on an association of model-free predictive controller (MFPC) and a proportional-integral (PI) like structure known as current variation controller (CVC). As in MFPC, the dynamic structure (DS) that is used for the prediction of the system output is obtained from past measurements of current variations, but CVC modifies the dynamics before they are stored for prediction. As a consequence, even if the converter operates with bypassed modules, FT-MFPC adapts its DS to represent the real dynamics of the system and enables a closed-loop response with balanced load currents in unbalanced CHMLIs. Simulation and experimental results validate the adaptability of the proposed strategy to operate a seven-level inverter under various configurations of bypassed H-bridge modules. The experimental results show that, for different postfault operations, the maximal current total harmonic distortion and imbalance factor at steady state in the worst case scenario are below 5% and 2%, respectively.

Keyword:

Data-driven control dynamic structure (DS) model predictive control (MPC) multilevel cascaded H-bridge (HB) inverters

Community:

  • [ 1 ] [Ipoum-Ngome, Paul Gistain]Pearl Elect Co Ltd, Guangzhou 511400, Peoples R China
  • [ 2 ] [Tang, Jinquan]Pearl Elect Co Ltd, Guangzhou 511400, Peoples R China
  • [ 3 ] [Flesch, Rodolfo Cesar Costa]Univ Fed Santa Catarina, Dept Automat & Syst, BR-88040900 Florianopolis, SC, Brazil
  • [ 4 ] [Mon-Nzongo, Daniel Legrand]Fuzhou Univ, Coll Elect Engn & Automat, Fuzhou 350002, Peoples R China
  • [ 5 ] [Jin, Tao]Fuzhou Univ, Coll Elect Engn & Automat, Fuzhou 350002, Peoples R China
  • [ 6 ] [Wang, Mengqi]Michigan State Univ, Elect & Comp Engn, E Lansing, MI 48824 USA

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Source :

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS

ISSN: 0278-0046

Year: 2022

Issue: 12

Volume: 69

Page: 12225-12236

7 . 7

JCR@2022

7 . 5 0 0

JCR@2023

ESI Discipline: ENGINEERING;

ESI HC Threshold:66

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 5

SCOPUS Cited Count: 7

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

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