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This paper introduces an approach for controlling a high power grid-connected inverter using selective harmonic elimination (SHE) where a cascaded H-bridge multilevel inverter (CHBMLI) is used to validate the proposed concept. A 17-level SHE approach is presented based on cancelling the 7 low order harmonics (5th, 7th, 11th, 13th, 17th, 19th, and 23rd). The grid-connected CHB-MLI is controlled in...
This paper proposes a control parameter optimization method for three-phase grid-connected inverters using particle swarm optimisation (PSO). The PSO is used to obtain the optimal parameters of adaptive controller comprising PI and PR controllers. The method does not require any additional hardware. The proposed technique has been tested under different operating conditions including normal operation...
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