A Simplified Model Predictive Control for T-Type Inverter with Output LC Filter

Ngo Van-Quang-Binh, Minh-Khai Nguyen, Tan-Tai Tran, Young-Cheol Lim and Joon-Ho Choi
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Ngo Van-Quang-Binh: Department of Electrical Engineering, Chonnam National University, Gwangju 500-757, Korea
Minh-Khai Nguyen: Department of Electrical Engineering, Chosun University, Gwangju 61452, Korea
Tan-Tai Tran: Department of Electrical Engineering, Chonnam National University, Gwangju 500-757, Korea
Young-Cheol Lim: Department of Electrical Engineering, Chonnam National University, Gwangju 500-757, Korea
Joon-Ho Choi: Department of Electrical Engineering, Chonnam National University, Gwangju 500-757, Korea

Energies, 2018, vol. 12, issue 1, 1-18

Abstract: In this paper, a model predictive control scheme for the T-type inverter with an output LC filter is presented. A simplified dynamics model is proposed to reduce the number of the measurement and control variables, resulting in a decrease in the cost and complexity of the system. Furthermore, the main contribution of the paper is the approach to evaluate the cost function. By employing the selection of sector information distribution in the reference inverter voltage and capacitor voltage balancing, the execution time of the proposed algorithm is significantly reduced by 36% compared with conventional model predictive control without too much impact on control performance. Simulation and experimental results are studied and compared with conventional finite control set model predictive control to validate the effectiveness of the proposed method.

Keywords: finite control set model predictive control; T-type inverter; computational cost; LC filter; DC-link capacitor voltage balancing (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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