نتایج جستجو برای: hydropower generation
تعداد نتایج: 358512 فیلتر نتایج به سال:
Abstract Storage hydropower generation plays a crucial role in the electric power system and energy transition because it is most widespread with low greenhouse gas emissions and, moreover, relatively cheap to ramp up down. As result, provides flexibility grid helps mitigate short-term production uncertainty that affects green technologies. However, using water reservoirs represents an opportun...
Present-day small hydropower plants (SHPs) have a large development potential because of the increasing interest in renewable resources and distributed energy generation, therefore, there are many SHPs in places of China where are rich in water resources. However, it has caused overvoltages in the distribution network, and which is even worse for the switching overvoltage such as isolated netwo...
ii In the Hasliaare River system, the joint effect of hydropeaking and channelization on young-of-the-year, lake and stream resident spawning brown trout were studied. Steady and dynamic habitat conditions were evaluated and the habitat was modeled for three different degraded morphologies. Specific preference curves for each investigated life stage were developed. Moreover, the reproduction su...
Abstract Hydropower is powered by water, making it a clean source of energy. It contributes about 17% worldwide annual energy generation and 90% national generation, out which 25% its contributed small hydropower plants (SHPs). Thus, Nepal predominantly dependent on for power generation. In quantitative terms, approximately 70% in are SHPs. Unfortunately, there several bottlenecks to the smooth...
Abstract Starting from an electricity generation renewable sources (RESE) of 74 % today (mainly by domestic hydropower), the Austrian climate and energy policy aims not less than 100 2030. The additional wind power photovoltaics will increase requirement for reasonable seasonal flexibility. Additional highly cost efficient functional units flexible hydropower assets play a key role to meet futu...
Overall structure of electrical power system is in the process of changing. For incremental growth, it is moving away from fossil fuels major source of energy in the world today to renewable energy resources that are more environmentally friendly and sustainable [1]. Factors forcing these considerations are (a) the increasing demand for electric power by both developed and developing countries,...
Application Research on Load Allocation of Hydraulic Unit based on Multi-objective Optimized Methods
-Stratified Genetic algorithm was used in the optimized calculation of Wanjiazhai Hydropower Station, a multi-objective optimized model was established , two subpopulations of independent parallel were used to compute, the calculated values of network model and test values were compared, results showed that the two values are matched, the value of optimized load pressure fluctuation deviates fr...
China has a vast scale of hydropower, and the small hydropower stations account for large proportion. In flood season, excessive inflow keeps these at high reservoir level, leading to worse condition hindered power output great error in calculation generation. Therefore, this paper proposes mid-term optimal scheduling model low-head cascaded considering unevenness, which is controlled by expect...
hydropower plant and especially micro-hydropower plant is an available, reliable and economical energy source. micro-hydropower plant is one of the most environment-friendly technology, use and development of which leads to reduction of energy consumption sporadically and worldwide. along with the growth of these power plants, the issues related to the control of electrical parameters such as l...
The International Renewable Energy Agency (IRENA) is an intergovernmental organisation dedicated to renewable energy. In accordance with its Statute, IRENA's objective is to "promote the widespread and increased adoption and the sustainable use of all forms of renewable energy". This concerns all forms of energy produced from renewable sources in a sustainable manner and includes bioenergy, geo...
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