Solution Trajectories for a Single-Phase Programmed PWM Inverter
Ayong Hiendro
Syaifurrahman Syaifurrahman
Dedi Triyanto
Junaidi Junaidi
Indonesian Journal of Electrical Engineering and Computer Science
Abstract
This paper presents solution trajectories for programmed PWM technique to eliminate specific order harmonics in a single phase inverter. Evolutionary algorithm is applied to determine optimum switching angles in order to elmininate low order harmonics for modulation index: -1 £ M £ +1. An implementation using a DE2-115 Cyclone IVE FPGA device is also reported in this paper. The experimental results show that the technique effectively eliminates the specific harmonics, and offers low harmonic distortions on the inverter output after filtering.
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