The model of a small stand-alone AC system with fuel cell and solar panel was implemented and simulated with Simulink. The preliminary result shows the feasibility of including dynamic models of the renewable energy resources in the analysis of the system performance. The research of the power management strategy and …
Read More »Modeling and evaluation of main maximum power point tracking algorithms for photovoltaics systems
In this work. the most widely used MPPT algorithms have been modeled and evaluated according to simulations in Matlab Simulink environment based on the dynamic response of the PV system. the tracking speed of convergence. the efficiency and the ease of implementation. The results indicate that the modified fractional OC …
Read More »requency deviation control by coordination control of FC and double-layer capacitor in an autonomous hybrid renewable energy power generation system
This paper presented the frequency regulation of hybrid renewable power generation system by coordination control of WTG and the DLC system. In the proposed method. the load variation is reduced by FC in low frequency domain and the DLC bank in high frequency domain. By using the proposed method. the …
Read More »Solar Resources Mapping: Fundamentals and Applications (Green Energy and Technology)
This book presents methods for optimising the spatial and network configuration of solar radiation measuring stations. Various physical and mathematical models are demonstrated. which together with high quality measurements. provide the essential tools to generate and validate solar resource estimates to improve the mapping of solar resources. Each chapter …
Read More »An advanced modeling system for optimization of wind farm layout and wind turbine sizing using a multi-level extended pattern search algorithm
In this work. a collection of modeling advances was employed within an EPS-MAS wind farm optimization algorithm to help approach real-world applicability in resulting turbine layouts and turbine geometries. These modelsdincluding an extrapolation of the NRELWind Cost and Scaling Model and means to accommodate both partial wake interaction and wind …
Read More »A survey of dynamic equivalent modeling for wind farm
This paper reviews the research of dynamic equivalent modeling for the wind farm in details. It analyzes the characteristic and application status for the single machine representation method and multi machine representation method. The current research has carried out a lot of works in the field of dynamic equivalent modeling …
Read More »An SVM-Based Solution for Fault Detection in Wind Turbines
A promising architecture to detect bearing failures in wind-turbine gearboxes has been presented that comprises a combination of angular resampling for vibration analysis. monitoring of the wind-turbine power output and data-mining techniques for the classification task. To overcome the lack of datasets with a wide range of conditions of loads …
Read More »Wind farm layout optimization using genetic algorithm with different hub height wind turbines
In this paper. the authors first investigate the effects of using different hub height wind turbines in a small onshore wind farm with nested GA. The GA parameters are first validated through pretest and comparison with previous research results. Three case studies are conducte d by comparing wind farms using …
Read More »A review of the applications of nanofluids in solar energy
Nanofluids are advanced fluids containing nano-sized particles that have emerged during the last two decades. Nanofluids are used to improve system performance in many thermal engineering systems. This paper presented a review of the applications of nano- fluids in solar thermal engineering. The experimental and numerical studies for solar collectors …
Read More »PV Output Power Smoothing Using Energy Capacitor System
Because of the dependency of output power of the PV cells to the irradiance and temperature. noticeable amount of fluctuations is injected to the system that is not acceptable and should be reduced so that the power quality of the system is improved. In this paper application of the ECS …
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