Wind Energy Conversion System (WECS) plays an inevitable role across the world. WECS consist of many components and equipment’s such as turbines, hub assembly, yaw mechanism, electrical machines; power electronics based power conditioning units, protection devices, rotor, blades, main shaft, gear-box, mainframe, transmission systems and etc. These machinery and devices technologies have been developed on gradually and steadily. The electrical machine used to convert mechanical rotational energy into electrical energy is the core of any WECS. Many electrical machines (generator) has been used in WECS, among the generators the Permanent Magnet Synchronous Generators (PMSGs) have gained special focus, been connected with wind farms to become the most desirable due to its enhanced efficiency in power conversion from wind energy turbine. This article provides a review of literatures and highlights the updates, progresses, and revolutionary trends observed in WECS-based PMSGs. The study also compares the geared and direct-driven conversion systems. Further, the classifications of electrical machines that are utilized in WECS are also discussed. The literature review covers the analysis of design aspects by taking various topologies of PMSGs into consideration. In the final sections, the PMSGs are reviewed and compared for further investigations. This review article predominantly emphasizes the conceptual framework that shed insights on the research challenges present in conducting the proposed works such as analysis, suitability, design, and control of PMSGs for WECS.
Abstract:The interleaved flyback inverter is the proposed system.. Two flyback inverters are connected and the control strategy used is the active clamp technique. This technique reduces the voltage spikes across the main switch during resonance, and the switching losses are reduced along with voltage stress. The system is modified as an energy storage application. The efficiency is improved and The simulations are done using MATLAB .The explanations theories and results are discussed.
This paper present stand-alone power system with PV power generators and fuel cell, which constitute a valuable energy source. The model is developed using basic circuit equation of the photovoltaic (PV) solar cells including the effect of constant solar irradiation, temperature and the technique with the advantages of low cost, light weight and high reliability power converter system integration which play a major role in isolated DC-DC converter based fuel cell. Finally experiment result shows the proposed approach to the development of Hybrid Alternative Energy System using MATLAB software to show its feasibility and performance.
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