نتایج جستجو برای: electric power
تعداد نتایج: 599279 فیلتر نتایج به سال:
In this dissertation, I describe the design and construction of a system which can transfer electric power wirelessly. This is accomplished using inductive, near-field, non-radiative coupling between self-resonant copper helices. In our first experiment, we transfered 60W of power over a distance of 2m with 45% efficiency. In our second experiment, we designed a system which can transfer power ...
In this study, asset management strategies in power distribution systems are investigated chronologically based on short-term, mid-term and long-term time scales. New strategies and their interrelation and coincidence in different time scales are discussed. The central role of Information Technologies (IT) in asset management is emphasized with supportive examples.
Based on the problems caused by today conventional vehicles, much attention has been put on the fuel cell vehicles researches. However, using a fuel cell system is not adequate alone in transportation applications, because the load power profile includes transient that is not compatible with the fuel cell dynamic. To resolve this problem, hybridization of the fuel cell and energy storage device...
The controller of the hybrid electric vehicle determines the combustion engine start-stop time, the operation points, and regenerative brake energy. The Controlling approach of hybrid electric vehicles controls the amount of needed fuel in every driving situation. In the present study, the thermostat strategy is implemented along with fuzzy logic control and compared to the classic thermostat s...
Abstract: In this paper, we develop a novel electric power supply chain network model with fuel supply markets that captures both the economic network transactions in energy supply chains and the physical network transmission constraints in the electric power network. The theoretical derivation and analyses are done using the theory of variational inequalities. We then apply the model to a spec...
This paper is concerned with the estimation of total factor productivity (TFP) growth for the Iranian electric utilities during the period 1980-1993 on the basis of panel data. A translog cost function is used which accommodates firm - specific variability through a one - way error component model. The results show that the Iranian electricity supply industry experienced increasing returns to s...
This talk will discuss the emerging concept of a Cyber-Physical system, and how electric power systems of the future will have a significant cyber (computer) component. Correctness and security issues are discussed under the umbrella of non-interfering components for power systems applications. Biography Bruce McMillin received the B.S. in EE and M.S. in CS from Michigan Technological Universit...
Wavelet Modulus Maxima for Single Switch Open Fault in Multi-level Inverter Rashmi A. Keswani, Hiralal M. Suryawanshi & Mohan M. Renge a Department of Electrical Engineering, Priyadarshini College of Engineering, Nagpur, Maharashtra, India b Department of Electrical Engineering, Visvesvaraya National Institute of Technology, Nagpur, Maharashtra, India c Department of Electrical Engineering, Shr...
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