Author:
Hua Guanghui,Wang Chun,Fa Ladier,Shi Linjun
Abstract
Abstract
Photovoltaic (PV) station generally adopts single-stage grid-connection inverter considering the cost and efficiency, and the controller parameters have great influence on the grid-connected performance of PV system. The PV array, maximum power point tracking (MPPT), the inverter and its control system models are built in PSASP/UD. The PI parameters of invert controller are tuned by adaptive genetic algorithm (AGA) and genetic algorithm (GA) respectively in single-machine infinite bus system (SMIBS) based on Simulink. Finally, single-machine infinite bus system (FMTAS) with PV based on PSASP/UD is used to verify the feasibility and effectiveness of models and validity of controller parameters.
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