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This work presents a reliability analysis of the power conditioning system (PCS) for both the permanent magnet generator (PMG) and wound rotor induction generator (WRIG)-based small wind turbine generation systems. The PCS for grid connection of the PMG-based system requires a rectifier, boost converter and a grid-tie inverter, while the WRIG-based system employs a rectifier, a chopper and an external...
Comparing single-stage grid-connected photovoltaic (PV) system with power quality improvement, in this paper, a high-capacity three-phase four-wire grid-connected PV system based on Boost converter + dual-level four-leg inverter is proposed, which not only allows a wide range of input voltage, but also compensates unbalance current of the local load comparing three-phase three-wire PV system. This...
To meet the requirement of the output power of grid-connected photovoltaic (PV) power generation system, the inverter should be controlled according to the output power of PV arrays. In this paper proposed method of a novel fuzzy logic control for grid connected photovolatic system. The system composed of boost converter and a single-phase full-bridge inverter connected to utility grid. The system...
Anti-islanding protection and maximum power point tracking for a two stage photovoltaic grid-connected inverter is designed in this paper. A new algorithm based on the traditional active frequency drift method is proposed to decrease none detection zone of the islanding detection. Perturbation and Observation method is adopted for the maximum power point tracking of the boost converter of the input...
Many methods for interfacing PV system with utility grid have been reported in the literature. In this paper, a power electronic interface using boost converter and line commutated inverter is proposed with maximum power point tracking (MPPT), for the first time. This paper presents the design, simulation and implementation of a simple power electronic interface for grid connected PV array using boost...
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