Mobile QR Code QR CODE : The Korean Institute of Power Electronics
Title Implementation of an FPGA-based Multi-Carrier PWM Techniques for Multilevel Inverter
Authors Tae-Won Chun ; 李Hong-Hee Lee ; Heung-Geun Kim ; 盧Eui-Cheol Nho
DOI 10.6113/TKPE/2010.15.4.288
Page pp.288-295
ISSN 1229-2214
Keywords FPGA; Multi-level inverter; PWM signal generator; Multi-carrier
Abstract Multi-level inverters have drawn much of attention in recent years because it can meet the demand of high power applications and good power quality associated with reduced harmonic distortion. As the number of voltage level increases, field programmable gate arrays (FPGAs) are suitable for the implementation of multi-level modulation algorithm. This paper proposes the implementation method for generating PWM pulses at the three phase diode clamped five-level inverter using FPGA. The strategy for communicating stably the data of three-phase reference voltages between the DSP and FPGA is suggested. The techniques for generating PWM signals based on a multi-carrier modulation method are carried out through the experiments with 32-bit DSP and Cyclone-Ⅲ FPGA.