FPGA implementation of Unipolar SPWM for single phase inverter

Author

Afarulrazi, A.B. ; Zarafi, M. ; Utomo, W.M. ; Zar, A.

Author_Institution

Dept. of Electr. Power Eng., UTHM, Johore, Malaysia

fYear

2010

fDate

5-8 Dec. 2010

Firstpage

671

Lastpage

676

Abstract

Nowadays, inverter which is also known as a DC-AC converter is one of the most popular parts in electrical devices that converts direct (DC) current to alternating current (AC) at the desired output voltage and frequency. This project presents development of a Unipolar Sinusoidal Pulse Width Modulation (SPWM) for single phase full bridge inverter using Field Programmable Logic Array (FPGA). The Unipolar SPWM is employed to control the output voltage magnitude of the inverter. Altera DE2-70 board with 16 bit serial configuration devices is used as a controller for the implementation of the SPWM inverter. Computation of the turn-on and turn-off times of the SPWM is developed using Matlab. To verify the proposed FPGA-SPWM, voltage amplitude regulations are carried.

Keywords

PWM invertors; field programmable gate arrays; voltage control; Altera DE2-70 board; DC-AC converter; FPGA; alternating current; direct current; electrical device; field programmable logic array; matlab; serial configuration device; single phase full bridge inverter; single phase inverter; turn off time; turn on time; unipolar SPWM; unipolar sinusoidal pulse width modulation; voltage amplitude regulation; voltage magnitude; Bridge circuits; Driver circuits; Hardware; Integrated circuit modeling; Inverters; Modulation; Switches; Field Programmable Logic Array; Single Phase Inverter; Sinusoidal Pulse Width Modulation;

fLanguage

English

Publisher

ieee

Conference_Titel

Computer Applications and Industrial Electronics (ICCAIE), 2010 International Conference on

Conference_Location

Kuala Lumpur

Print_ISBN

978-1-4244-9054-7

Type

conf

DOI

10.1109/ICCAIE.2010.5735019

Filename

5735019