نتایج جستجو برای: electric power system protection
تعداد نتایج: 2812363 فیلتر نتایج به سال:
With the development of restructured power systems and increase of prices in some hours of day and increase fuel price, demand response programs were noticed more by customers. demand response consists of a series of activities that governments or utilities design to change the amount or time of electric energy consumption, to achieve better social welfare or some times for maximizing the benef...
چکیده ندارد.
Electric distribution companies regulation has important effect on power system. Distribution services costing are done by two method, price base and performance base. Distribution company cost include operational and investment. Services quality, productivity improvement and etc are applied by benchmarking. With regard to different condition of companies, it is important that regulator benchma...
Electric power is the mainstay of a nation’s economy and the lifeline of industrial production and social life. All parameters of an electric grid, especially harmonic parameters, are related to the quality of electricity generated, which guarantees safe operation of electric equipment. Therefore, this design combines a web-based electric grid parameter measurement system with a video-monitorin...
Electric vehicles (EVs) are a promising source of flexibility for the power grid. This paper looks at the ability of EVs to provide power system reserve by studying the potential driving and charging profiles of EVs in an Irish context. The results show that the potential for EVs to provide contingency reserve is strongly dependent on the time of day, day of week and the seasonal effect of clim...
A prognostic watch of the electric power system (EPS) is framed up, which detects the threat to EPS for a day ahead according to the characteristic times for a day ahead and according to the droop for a day ahead. Therefore, a prognostic analysis of the EPS development for a day ahead is carried out. Also the power grid, the electricity market state, the grid state and the level of threat for t...
In order to efficiently improve the prediction accuracy, two load forecasting model based on fuzzy theory are presented, which are fuzzy clustering model and improved fuzzy regression analysis model .The method of fuzzy clustering is used to divide the area by the similar feature of load increasing. The new division is promising to improve the result of evident degree of clustering index to pow...
In recent years, environmental and energy problem has become one of the world's hot spot problems. Today, the road cars not only consume a lot of oil resource, but also cause serious pollution to human survival environment. Therefore, to save energy and protect environment, a green environmental friendly electric car instead of fuel car will be needed for sustainable development of the society....
With the development of restructured power systems and increase of prices in some hours of day and increase fuel price, demand response programs were noticed more by customers. demand response consists of a series of activities that governments or utilities design to change the amount or time of electric energy consumption, to achieve better social welfare or some times for maximizing the benef...
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