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This paper proposes a new control strategy using less number of sensors for variable speed wind energy conversion system (WECS). Maximum Power Point Tracking (MPPT) algorithm, and near unity power factor correction control (UPF) are achieved at the generator side using direct driven Permanent Magnet Synchronous Generator (PMSG). The PMSG operates at variable wind speed connected to a full controlled...
Commercially available elemental Cu, Zn, Sn and Se powders were used to crystallize the stannite-type Cu 2 ZnSnSe 4 compound through a solid state reaction. The Cu 2 ZnSnSe 4 reaction chemistry was also modeled based on the thermal analysis and X-ray powder diffraction results. Se preferably reacted with Cu to form the α-CuSe and CuSe 2 phases at low reaction...
This paper introduces a study for the small wind energy conversion system (WECS), which aims to select the optimum design parameters to achieve high performance system. The main features of the studied system are high efficiency, operation at maximum power point tracking (MPPT) and long battery lifetime. The Permanent Magnet Synchronous Generator (PMSG) operates at variable wind speed and it is connected...
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