Paper

In this paper. we proposed a multilevel approach for optimal participation in reactive power balancing of wind farms connected to the transmission grid. For this purpose. we defined reactive power capability of a DFIG wind turbine. Afterwards. we proposed a method to find the reactive power capability of a wind …

In this paper. the harmonic emissions of a 30 × ۶۰۰ kW WT SCIG wind farm are analyzed using field measurements to contribute to the understanding of wind farm harmonic behavior. The following conclusions can be drawn from the investigation. 1) Low-order characteristic harmonics are the dominant ones in the …

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 …

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 …

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 …

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 …

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 …

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 …

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 …

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 …