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, 2021
Frequency stability has been a significant issue for a long time for the proper operation of isolated microgrids. Most distributed energy sources have converter-based interface and do not normally respond to frequency deviations.
Kavita Singh, Zaheeruddin
semanticscholar +1 more source
Frequency stability has been a significant issue for a long time for the proper operation of isolated microgrids. Most distributed energy sources have converter-based interface and do not normally respond to frequency deviations.
Kavita Singh, Zaheeruddin
semanticscholar +1 more source
Hydraulic Performance of the Tidal Turbine
2011 Asia-Pacific Power and Energy Engineering Conference, 2011This paper does researches for vertical axis tidal turbine based on academic analysis and numerical simulation. Keep on the tip speed ratio and change the inlet speed. And then analyze hydraulic performance of the different tidal turbines. For the problem in the tidal technology, use airfoil cross-section that is suitable for low speed flow use, change
Hongbo Lu, Liangliang Ma, Xiuling Bao
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Tidal turbine benchmarking exercise
Proceedings of the European Wave and Tidal Energy Conference, 2021Uncertainty in tidal turbine loading contributes significantly to conservatism in turbine design. This uncertainty originates not only from a lack of knowledge of the flow field at a particular site, but also from lack of understanding of the fundamental physics which govern the loading and performance of tidal turbines in unsteady and turbulent flow ...
Tucker Harvey, S. W. +6 more
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Tidal turbines that survive? [PDF]
, 2009 Tidal turbines offer an exciting opportunity to exploit ocean current flows to generate sustainable energy. However, a key to their success is the ability to operate with minimal intervention in the ocean over extended periods (15-20 years). This talk explored the likely design and operational issues that will influence satisfactory performance ...
Turnock, S.R. +3 more
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Micropower From Tidal Turbines
Volume 1B, Symposia: Fluid Machinery; Fluid Power; Fluid-Structure Interaction and Flow-Induced Noise in Industrial Applications; Flow Applications in Aerospace; Flow Manipulation and Active Control: Theory, Experiments and Implementation; Fundamental Issues and Perspectives in Fluid Mechanics, 2013In addition to utility-scale power generation (e.g., rated capacities greater than 106 W), there are also possibilities for tidal current generation at the micro-scale (e.g., rated capacities less than 102 W) that could provide power to autonomous oceanographic instrumentation. This paper presents performance characteristics of a high-solidity, helical,
Brian L. Polagye +2 more
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Blade design and optimization of a horizontal axis tidal turbine
Ocean Engineering, 2020Tidal turbine is a device which converts the kinetic energy of water into electric energy. The blade element momentum theory (BEM) is used to design the blade in this paper.
F. Zhu +4 more
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Applied Soft Computing, 2020
This study presents a model to analyse and simulate tidal power generation for hybrid power system in the presence of highly infiltrated tidal units. The response of the hybrid system may be at risk without suitable frequency enhancement techniques.
Zaheeruddin, Kavita Singh
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This study presents a model to analyse and simulate tidal power generation for hybrid power system in the presence of highly infiltrated tidal units. The response of the hybrid system may be at risk without suitable frequency enhancement techniques.
Zaheeruddin, Kavita Singh
semanticscholar +1 more source
Applied Ocean Research, 2020
Since the underwater impurity and cavitation could have a significant impact on the aerodynamic performance of tidal turbine blade airfoil, it is necessary to consider both roughness and cavitation in the process of optimization design.
Zhaochen Sun, Yufeng Mao, M. Fan
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Since the underwater impurity and cavitation could have a significant impact on the aerodynamic performance of tidal turbine blade airfoil, it is necessary to consider both roughness and cavitation in the process of optimization design.
Zhaochen Sun, Yufeng Mao, M. Fan
semanticscholar +1 more source
The efficiency of a turbine in a tidal channel
Journal of Fluid Mechanics, 2007There is an upper bound to the amount of power that can be generated by turbines in tidal channels as too many turbines merely block the flow. One condition for achievement of the upper bound is that the turbines are deployed uniformly across the channel, with all the flow through them, but this may interfere with other uses of the channel. An isolated
CHRIS GARRETT, PATRICK CUMMINS
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Implementation of Tidal Stream Turbines and Tidal Barrage Structures in DG-SWEM
Volume 10: Ocean Renewable Energy, 2019Abstract There are two approaches to extracting power from tides — either turbines are placed in areas of strong flows or turbines are placed in barrages enabling the two sides of the barrage to be closed off and a head to build up across the barrage.
Schnabl, A +6 more
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