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Across the globe nearly 1.6 billion people lack access to electricity, of which many live in rural or remote areas of the developing countries. The extension of central grid for rural electrification is not economically viable due to the geographical placement and low initial power demand. However, for rural villages, systems that are less reliable than grid standards may be acceptable, and allow...
The recent incentivation of renewable energy sources such as photovoltaic (PV) systems and deregulation of the electricity market present a major challenge to the design and operation of the conventional power system. This article presents an impact analysis of this game-changing technology distributed on the IEEE 13-bus distribution feeder using actual local demand load profile, temperature and irradiance...
A hybrid electric vehicle powered by battery and ultra-capacitor can be a solution to the rapidly changing power cycle of the vehicle on uneven terrain wherein battery satisfies long term energy and ultra-capacitor satisfies high power requirements. This paper deals with design of a control strategy that combines features of both sources and also stores energy generated during regenerative braking...
Dynamic Reliability Management solutions are often adopted in multi-core systems to mitigate aging and wear-out effects, by opportunely distributing the workload on the available cores. The efficiency of such solutions is generally evaluated by considering only the occurrence of the first core failure due to the computational complexity. In this paper we propose an in-depth analysis of such approaches...
In this paper, we present the fundamental principles of power distribution over single busbar network and the relevant mathematical models. Subsequently, we investigate into the impact of the load voltage fluctuation on the system reliability and the impact can be quantified by employing several state-of-the-art statistical models. Specifically, we analyse the reliability and performance of distribution...
Data communications infrastructure will play an important role to transfer various information in smart grid. In this paper, we consider the reliability of the smart grid data communications infrastructure and its impact on the power consumption and supply optimizations. For optimizing the power consumption, we consider a deferrable load scheduling method which is modeled by using a constrained Markov...
Currently the development of large scale electric vehicles have become governments' focus of attention. Based on the research of charging and discharging power models, the paper puts forward the island formation strategy and establishes the distribution system reliability model with the electric vehicles. The Monte Carlo time sequential simulation is used to evaluate the effects of different vehicle...
We present a power-saving method for large-scale distributed storage systems. The key idea is to use virtual nodes and migrate them dynamically so as to skew the workload towards a small number of disks while not overloading them. Our proposed method consists of two kinds of algorithms, one for gathering or spreading virtual nodes according to the daily variation of workloads so that the active disks...
In this paper, a "Game Theory" approach for finding an optimal path in a "Wireless Sensor Network" is discussed. WSN is one of the most interesting research fields in the communication networks, and is the center of attention in recent years. In our model, a pricing and payment technique is presented to obtain an optimal path in a WSN by considering reliability, energy and traffic...
In this paper we propose a set of different configurations of failure recovery schemes, developed for network-on-chip (NoC) based systems. These configurations exploit the fact that communication in NoCs tends to be partitioned and eventually localized. The failure recovery approach is based on checkpoint and rollback and is aimed towards fast recovery from system or application level failures. The...
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