Poly-Si PV system grid connected and fuzzy controlled

Abstract

This paper is about a poly-Si PV system linked to the electric grid by power electronic converters. The modeling for the converters emulates the association of a DC-DC boost with a two-level power inverter in order to follow the performance of a inverter employed on an experimental system. A fuzzy PI control is used with pulse width modulation by sliding mode associated with space vector modulation for controlling the converters. Maximum power point tracking is modeled. The PV system is modeled by a five parameter equivalent circuit. The parameter identification is carried out with an optimization method. A comparison between results of model simulation with experimental ones is presented.