Energy Storage Technologies for Smoothing Power Fluctuations in Marine Current Turbines
Communication avec acte
With regard to marine renewable energies, significant electrical power can be extracted from marine tidal current. However, the power harnessed by a marine current turbine varies due to the periodicity of the tidal phenomenon and could be highly fluctuant caused by swell effect. To improve the power quality and make the marine current generation system more reliable, energy storage systems will play a crucial role. In this paper, the power fluctuation phenomenon is described and the state of art of energy storage technologies is presented. Characteristics of various energy storage technologies are analyzed and compared for marine application. The omparison shows that high-energy batteries like sodiumsulphur battery and flow battery are favorable for smoothing the long-period power fluctuation due to the tide phenomenon while supercapacitors and flywheels are suitable for eliminating short-period power disturbances due to swell or turbulence phenomena. It means that hybrid storage technologies are needed for achieving optimal performance in marine current energy systems.
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Power Limitation Control for a PMSG-Based Marine Current Turbine at High Tidal Speed and Strong Sea State Communication avec acteZHOU, Zhibin; SCUILLER, Franck; CHARPENTIER, Jean-Frederic; BENBOUZID, Mohamed; TANG, Tianhao (IEEE, 2013)This paper deals with the control strategies for a fixed-pitch marine current turbine (MCT) when the marine current speed exceeds the rated value corresponding to the rated power of generator and converter. Over-rated ...
Power Smoothing Control in a Grid-Connected Marine Current Turbine System for Compensating Swell Effect Article dans une revue avec comité de lectureZHOU, Zhibin; SCUILLER, Franck; CHARPENTIER, Jean-Frederic; BENBOUZID, Mohamed; TANG, Tianhao (IEEE, 2013)Variations of marine current speed may lead to strong fluctuations in the power extracted by a marine current turbine (MCT). During short-time period, swell effect is the main cause for the current speed variations. ...
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Communication avec acteZHOU, Zhibin; SCUILLER, Franck; CHARPENTIER, Jean-Frederic; BENBOUZID, Mohamed; TANG, Tianhao (IEEE, 2012)Swell is the main disturbance for marine tidal speed. The power harnessed by a marine current turbine (MCT) can be highly fluctuant due to swell effect. Conventional Maximum Power Point Tracking (MPPT) algorithm will require ...