نتایج جستجو برای: electrical power

تعداد نتایج: 657946  

Journal: :نشریه دانشکده فنی 0
ابراهیم فرجاه دانشگاه شیراز

course contents of b.sc. and even m.sc. or ph.d. programs in electrical power engineering in our country is mainly based on conventional; technologies employed in different sectors of generation, transmission and distribution of electricity. electricity industry in iran has been successful in localization and transfer of technology from foreign countries and research centers and universities ha...

Journal: :Entropy 2009
Marc A. Rosen Cornelia A. Bulucea

The benefits are demonstrated of using exergy to understand the efficiencies of electrical power technologies and to assist improvements. Although exergy applications in power systems and electrical technology are uncommon, exergy nevertheless identifies clearly potential reductions in thermodynamic losses and efficiency improvements. Various devices are considered, ranging from simple electric...

WBANs (Wireless Body Area Network) are expected to consume very low electrical power. One of the most important factors of energy consumption in WBAN is the presence of interference between the transmitter and receiver nodes. In this paper, a fuzzy- genetic based power control method is proposed to intelligently align transmission power of sensor nodes within a  WBAN. This technique utilizes th...

2009
Koray Karakaya Bert Op het Veld Ruud J.M. Vullers Valer Pop

The power chain of autonomous devices consists of an energy scavenger, power converter and energy storage system. The interaction between a piezoelectric vibration energy scavenger, the power converter and the energy storage system is investigated. A system level approach, including mechanical and electrical domains, is pursued for impedance matching from mechanical domain to electrical domain ...

2011
Daniel Villanueva Andrés Feijóo José Luis Pazos

In this paper a procedure is established for solving the Probabilistic Load Flow in an electrical power network, considering correlation between power generated by power plants, loads demanded on each bus and power injected by wind farms. The method proposed is based on the generation of correlated series of power values, which can be used in a MonteCarlo simulation, to obtain the probability d...

Journal: :IEEE Trans. VLSI Syst. 2002
Christer Svensson

Models of electrical interconnects, including inductance and skin effect, are reviewed. The models are used for estimating the performance of electrical interconnects, particularly related to delays, data rates, and power consumption for off-chip and on-chip interconnects and for clock distribution. It is demonstrated that correctly utilized, electrical interconnects do not severely limit chip ...

2000
Thomas G. Wilson

Power electronics, as defined by Thomas G. Wilson, is:" The technology associated with the efficient conversion, control and conditioning of electric power by static means from its available input form into the desired electrical output form." The goal of power electronics is to realize power conversion from an electrical source to an electrical load in a highly efficient, highly reliable and c...

2016
Zhiwen Yu Jinxia Gong Longjian Piao Josep M. Guerrero

Zhiwen Yu 1,*, Qian Ai 1, Jinxia Gong 2 and Longjian Piao 1 1 School of Electronic Information and Electrical Engineering, Dongchuan Road, Shanghai Jiaotong University, Shanghai 200240, China; [email protected] (Q.A.); [email protected] (L.P.) 2 Department of Electrical Power Engineering, Changyang Road, Shanghai University of Electrical Power, Shanghai 200240 China; [email protected] ...

2014
Swapnil Srivastava

As the aircraft industry is moving towards the all electric and More Electric Aircraft (MEA); is the future trend in adopting single power type for driving the non-propulsive aircraft systems; i.e. is the electrical power. The trend in the aircraft industry is to replace hydraulic and pneumatic systems with electrical systems achieving more comfort and monitoring features. The structure of MEA ...

Journal: :مهندسی صنایع 0
سید علی ترابی دانشیار دانشکدة مهندسی صنایع دانشگاه تهران محسن شایگان کارشناس ارشد مهندسی صنایع دانشگاه خوارزمی تهران محمد محمدی استادیار گروه مهندسی صنایع دانشگاه خوارزمی تهران

by developing the level of life in societies, the need for new resources of energy becomes more important. in almost all cases, the aim is to convert one form of energy to the electrical form. with advances of technology and use of new electric and electronic devices and gadgets, the need for electrical energy is increasing and providing stable and continuous electric power becomes very importa...

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