Modified Space Vector Modulation Technique for Three Phase Three Level T-type Inverter

Phuong Vu, Trang Van Nguyen, Manh Dinh Nguyen, Cuong Ngoc Tran, Anh Tuan Do

Abstract


Today, multi-level inverters (MLIs) are widely used and applied in many fields, including renewable energy systems and industrial drive control, among others. Multi-level inverters are mainly modulated by Pulse Width Modulation (PWM) method, in which Space Vector Pulse Width Modulation (SVPWM) is a superior method. However, as the number of levels enhances, the implementation of SVPWM for multi-level inverters has many difficulties. In this paper, the two new pulse patterns corresponding to two switching sequences in space vector modulation are applied for the three-phase three-level T-type inverter. Experimental results will evidence the advantages of the proposed switching sequences. Furthermore, both switching sequences can be executed in real-time using a single Texas Instruments F28379D, demonstrating hardware simplicity.


Keywords


Multi-level inverters; Space vector pulse width modulation; T-type inverter

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References


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DOI (PDF): https://doi.org/10.20508/ijrer.v11i3.12058.g8256

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