FPGA-based electronic pulse generator for single-phase DC/AC inverter

Abstract

This paper is focused on the development of a signal generator Sinusoidal Pulse Width Modulation (SPWM) which is used to control a full wave power switch on a single phase inverter based on a Field Gate Array Programmable (FPGA). FPGA can operate in parallel with quite high computing capabilities. Quartus Prime 18.0 Lite Edition and ModelSim are software used to describe and simulate SPWM generating units. The digital signal generator of sine and triangle signals with the Look Up Table (LUT) method which is stored in FPGA internal memory. Mosfet IRFP460 is used as a semiconductor switch on a single phase inverter with a full brige configuration. The system is first simulated using PSpice A / D Lite before being tested on a single phase inverter device. The results obtained are quite satisfactory. The control unit uses FPGAs capable of achieving a sufficiently high frequency of 100 kHz with an output voltage amplitude of 20V.

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