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

Stability and Performance Investigations of Model Predictive Controlled Active-Front-End (AFE) Rectifiers for Energy Storage Systems

Vol. 15, No. 1, pp. 202-215, Jan. 2015

10.6113/JPE.2015.15.1.202

AC-DC power conversion

Active-Front-End (AFE) rectifier

Energy Storage System

Model predictive control (MPC)

Stability analysis

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Abstract

This paper investigates the stability and performance of model predictive controlled active-front-end (AFE) rectifiers for energystorage systems, which has been increasingly applied in power distribution sectors and in renewable energy sources to ensure anuninterruptable power supply. The model predictive control (MPC) algorithm utilizes the discrete behavior of power converters todetermine appropriate switching states by defining a cost function. The stability of the MPC algorithm is analyzed with the discretez-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 ofthe MPC controlled AFE rectifier is verified with a 3.0 kW experimental system. This shows that the MPC controlled AFE rectifieroperates 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 comparisondemonstrates the effectiveness of the MPC controller.

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Cite this article

[IEEE Style]

M. P. Akter, S. Mekhilef, N. M. L. Tan, H. Akagi, "Stability and Performance Investigations of Model Predictive Controlled Active-Front-End (AFE) Rectifiers for Energy Storage Systems," Journal of Power Electronics, vol. 15, no. 1, pp. 202-215, 2015. DOI: 10.6113/JPE.2015.15.1.202.

[ACM Style]

Md. Parvez Akter, Saad Mekhilef, Nadia Mei Lin Tan, and Hirofumi Akagi. 2015. Stability and Performance Investigations of Model Predictive Controlled Active-Front-End (AFE) Rectifiers for Energy Storage Systems. Journal of Power Electronics, 15, 1, (2015), 202-215. DOI: 10.6113/JPE.2015.15.1.202.