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Some Aspects of Ice-Hydropower Interaction in a Changing Climate
Gebre, Solomon; Timalsina, Netra; Alfredsen, Knut - In: Energies 7 (2014) 3, pp. 1641-1655
Ice formation and related processes in rivers and lakes/reservoirs influence the operation of hydropower plants in cold … regions. It is a matter of interest to the scientific community and hydropower operators alike how existing ice effects and … may have both positive and negative consequences for hydropower operation. Positive consequences emerge from reduction in …
Persistent link: https://www.econbiz.de/10010752743
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Phasing in Large-scale Expansion of Wind-Power in the Nordic-Countries
Førsund, Finn R. - Økonomisk institutt, Universitetet i Oslo - 2012
the Nordic countries; hydropower, conventional thermal, nuclear power, combined heat and power based on oil, coal and …
Persistent link: https://www.econbiz.de/10010785509
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Dynamic Feasible Region Genetic Algorithm for Optimal Operation of a Multi-Reservoir System
Xu, Bin; Zhong, Ping-An; Wan, Xinyu; Zhang, Weiguo; … - In: Energies 5 (2012) 8, pp. 2894-2910
Seeking the optimal strategy of a multi-reservoir system is an important approach to develop hydropower energy, in …
Persistent link: https://www.econbiz.de/10010675987
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Finding Multiple Optimal Solutions to Optimal Load Distribution Problem in Hydropower Plant
Liu, Pan; Nguyen, Tri-Dung; Cai, Ximing; Jiang, Xinhao - In: Energies 5 (2012) 5, pp. 1413-1432
Optimal load distribution (OLD) among generator units of a hydropower plant is a vital task for hydropower generation …. However, many practical constraints on hydropower plant operation are very difficult, if not impossible, to be modeled, and … multiple optimal solutions exist for the case study of China’s Geheyan hydropower plant, and they are valuable for assessing …
Persistent link: https://www.econbiz.de/10010676000
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The Future of Renewable Energy in the Mediterranean. Translating Potential into Reality
Tagliapietra, Simone - Fondazione ENI Enrico Mattei (FEEM) - 2015
This study seeks to provide a clear and comprehensive overview on the various aspects related to the current status and the future prospects of renewable energy (namely solar and wind) in Southern and Eastern Mediterranean countries (SEMCs). In order to do so, the study will first provide a...
Persistent link: https://www.econbiz.de/10011268590
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Failure Test and Finite Element Simulation of a Large Wind Turbine Composite Blade under Static Loading
Chen, Xiao; Zhao, Wei; Zhao, Xiao Lu; Xu, Jian Zhong - In: Energies 7 (2014) 4, pp. 2274-2297
This study presented a failure analysis of a 52.3 m composite wind turbine blade under static loading. Complex failure characteristics exhibited at the transition region of the blade were thoroughly examined and typical failure modes were indentified. In order to predict multiple failure modes...
Persistent link: https://www.econbiz.de/10010757620
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A General Probabilistic Forecasting Framework for Offshore Wind Power Fluctuations
Trombe, Pierre-Julien; Pinson, Pierre; Madsen, Henrik - In: Energies 5 (2012) 3, pp. 621-657
Accurate wind power forecasts highly contribute to the integration of wind power into power systems. The focus of the present study is on large-scale offshore wind farms and the complexity of generating accurate probabilistic forecasts of wind power fluctuations at time-scales of a few minutes....
Persistent link: https://www.econbiz.de/10010668063
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Review of DC System Technologies for Large Scale Integration of Wind Energy Systems with Electricity Grids
Shao, Sheng Jie; Agelidis, Vassilios G. - In: Energies 3 (2010) 6, pp. 1303-1319
The ever increasing development and availability of power electronic systems is the underpinning technology that enables large scale integration of wind generation plants with the electricity grid. As the size and power capacity of the wind turbine continues to increase, so is the need to place...
Persistent link: https://www.econbiz.de/10010668190
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Feasibility Study of Micro-Wind Turbines for Powering Wireless Sensors on a Cable-Stayed Bridge
Park, Jong-Woong; Jung, Hyung-Jo; Jo, Hongki; Spencer, … - In: Energies 5 (2012) 9, pp. 3450-3464
In this study, the feasibility of using micro-wind turbines to power wireless sensors on a cable-stayed bridge is comprehensively investigated. To this end, the wind environment around a bridge onto which a turbine is installed is examined, as is the power consumption of a wireless sensor....
Persistent link: https://www.econbiz.de/10010676053
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Torsional Stiffness Effects on the Dynamic Stability of a Horizontal Axis Wind Turbine Blade
Jeong, Min-Soo; Lee, In; Yoo, Seung-Jae; Park, Kwang-Choon - In: Energies 6 (2013) 4, pp. 2242-2261
Aeroelastic instability problems have become an increasingly important issue due to the increased use of larger horizontal axis wind turbines. To maintain these large structures in a stable manner, the blade design process should include studies on the dynamic stability of the wind turbine...
Persistent link: https://www.econbiz.de/10010676105