INVESTIGATION AND DEVELOPMENT OF A MULTILEVEL INVERTER WITH A 29-LEVEL REDUCED SWITCH COUNT

Murugesan M; Suganya N; Sivaranjani S; Kesavan T; Bharani Prakash  T; Sarathkumar  D; Anand K; Balambigai S

doi:10.30572/2018/KJE/170126

Authors

Murugesan M Assistant Professor, Department of Electrical and Electronics Engineering, Karpagam Institute of Technology, Coimbatore, Tamilnadu, India
Suganya N Assistant Professor, Department of Computer Science and Business Systems Dr. N.G.P. Institute of Technology, Coimbatore, India
Sivaranjani S Professor, Department of Electrical and Electronics Engineering, Sri Krishna College of Engineering and Technology, Coimbatore, India
Kesavan T Assistant Professor, Department of Electrical and Electronics Engineering, Easwari Engineering College, Tamilnadu, India
Bharani Prakash T Assistant Professor, Department of Electrical and Electronics Engineering Sri Krishna College of Technology, Coimbatore, India
Sarathkumar D Assistant Professor, Department of Electrical and Electronics Engineering, Kongu Engineering College, Erode, Tamil Nadu, India
Anand K Associate Professor, Department of Electronics and Communication Engineering, Chennai Institute of Technology, Chennai
Balambigai S Professor, Department of Electronics and Communication Engineering, Karpagam College of Engineering, Coimbatore, India

DOI:

https://doi.org/10.30572/2018/KJE/170126

Keywords:

Multilevel Inverter (MLI), Direct Current (DC), Total Harmonic Distortion (THD), Pulse Width Modulation (PWM)

Abstract

A novel multilevel inverter design for electric vehicle applications is presented in this research. In order to generate the necessary twenty-nine levels of output voltage and current waveforms, this multilevel inverter is developed using ten power switches and four distinct asymmetrical DC sources. Pulse width modulation is the most often utilized control method in multilevel inverters. This multilevel inverter uses sinusoidal pulse width modulation to remove low order harmonics. MATLAB is used for simulation, and a resistive load and resistive-inductive load is used for testing. A 210V, single phase, 29 level proposed architectural prototype uses MOSFETs as switching devices. In the hardware configuration, IRF840 MOSFETs are used. For inverter switches, the Ardiuno micro controller generates the gate signal. To achieve a twenty-nine level output waveform, typical multi-level inverters require a greater number of power components, which raises switching losses, costs, and harmonic distortion. By using 10 switches, the suggested inverter greatly reduces switching losses, low order harmonics, and switching costs, which in turn lowers overall harmonic distortions

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