Performance Improvement of Matrix Converter Direct Torque Control System

Bowei Zou, Yougui Guo, Xi Xiao, Bowen Yang, Xiao Wang, Mingzhang Shi and Yulin Tu
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Bowei Zou: College of Automation and Electronic Information, Xiangtan University, Xiangtan 411105, China
Yougui Guo: College of Automation and Electronic Information, Xiangtan University, Xiangtan 411105, China
Xi Xiao: Department of Electrical Engineering, Tsinghua University, Beijing 100083, China
Bowen Yang: College of Automation and Electronic Information, Xiangtan University, Xiangtan 411105, China
Xiao Wang: College of Electrical Engineering, Naval Engineering University, Wuhan 430033, China
Mingzhang Shi: College of Automation and Electronic Information, Xiangtan University, Xiangtan 411105, China
Yulin Tu: College of Public Administration, Xiangtan University, Xiangtan 411105, China

Energies, 2020, vol. 13, issue 12, 1-17

Abstract: In asynchronous motor direct torque control systems, the power supply using the matrix converter can achieve the effect of direct torque control and also has the advantages of the matrix converter. Nonetheless, direct torque control still has drawbacks in terms of pulsation. In this paper, the characteristics of direct torque control method and its existing problems are analyzed in depth. In view of the shortcomings of torque ripple, an improved scheme of torque tracking control is proposed based on conventional control methods. On the basis of theoretical simulation, DSP and FPGA algorithms are designed respectively in C language and VHDL to implement the proposed control strategy. Finally, a highly integrated experimental platform of matrix converter has been developed to verify the proposed control strategy. The simulation and experimental results verify the correctness and effectiveness of the improved scheme.

Keywords: matrix converter; direct torque control; torque tracking control; torque performance improvement; space vector modulation (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: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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