Stability and performance investigations of model predictive controlled active-front-end (AFE) rectifiers for energy storage systems

Md Parvez Akter, Saad Mekhilef, Nadia Mei Lin Tan, Hirofumi Akagi

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

This paper investigates the stability and performance of model predictive controlled active-front-end (AFE) rectifiers for energy storage systems, which has been increasingly applied in power distribution sectors and in renewable energy sources to ensure an uninterruptable power supply. The model predictive control (MPC) algorithm utilizes the discrete behavior of power converters to determine appropriate switching states by defining a cost function. The stability of the MPC algorithm is analyzed with the discrete z-domain response and the nonlinear simulation model. The results confirms that the control method of the active-front-end (AFE) rectifier is stable, and that is operates with an infinite gain margin and a very fast dynamic response. Moreover, the performance of the MPC controlled AFE rectifier is verified with a 3.0 kW experimental system. This shows that the MPC controlled AFE rectifier operates with a unity power factor, an acceptable THD (4.0 %) level for the input current and a very low DC voltage ripple. Finally, an efficiency comparison is performed between the MPC and the VOC-based PWM controllers for AFE rectifiers. This comparison demonstrates the effectiveness of the MPC controller.

Original languageEnglish
Pages (from-to)202-215
Number of pages14
JournalJournal of Power Electronics
Volume15
Issue number1
DOIs
Publication statusPublished - 01 Jan 2015

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Model predictive control
Energy storage
Controllers
Power converters
Volatile organic compounds
Cost functions
Pulse width modulation
Dynamic response
Electric potential

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Electrical and Electronic Engineering

Cite this

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Stability and performance investigations of model predictive controlled active-front-end (AFE) rectifiers for energy storage systems. / Akter, Md Parvez; Mekhilef, Saad; Tan, Nadia Mei Lin; Akagi, Hirofumi.

In: Journal of Power Electronics, Vol. 15, No. 1, 01.01.2015, p. 202-215.

Research output: Contribution to journalArticle

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