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Analysis and Simulation of Sinusoidal PWM Technique for Sine Wave Inverter
- A sinusoidal pulse width modulation technique of generating sine wave with minimized harmonics is implemented in this paper. The technique is essentially focused on sinusoidalpulse-width modulation (SPWM) control of H-bridge DC-AC inverter stage connected in series between high voltage DC links (Vs) and output (VO). It also provides the producing of SPWM signals to control the H-bridge inverter driving stage such as single phase or three phases. This technique is mathematically modelled and simulated in Matlab. Finally, the results are verified that the output sine wave is voltage regulated and ripple less. The proposed technique “generation of sinusoidal PWM by comparing a sinusoid with a triangular wave” aims to implement of a voltage regulated sine wave inverter with ripple free and glitch free output sine wave that can be operated electronic devices efficiently.
Thu Htay Aung
Zaw Min Naing
Chaw Myat Nwe