نتایج جستجو برای: power transmission reliability

تعداد نتایج: 835852  

2007
Lei Zhang Huawei Li Xiaowei Li

In DSM and nanometer technology, there will present more and more new fault types, which are difficult to predict and avoid. Applying fault tolerant algorithms to achieve reliable on-chip communication is one of the most important issues of Network-on-Chip (NoC). This paper reviews the main on-chip fault tolerant communication algorithms and then proposes a new routing algorithm with end-to-end...

2007
Y. V. Makarov N. S. Moharari

This paper develops a risk-based integrated index that reflects power system reliability and security both directly and indirectly. Direct characteristics may express the risk to not fully supply load at various load levels and contingencies. Indirect characteristics address such undesirable conditions as circuit overloads, voltage problems, low stability margins, area interchange violations, i...

2012
H. Haroonabadi

The power systems main emphasis is to provide a reliable and economic supply of electrical energy to the customers (Billinton & Allan, 1996). A real power system is complex, highly integrated and almost very large. It can be divided into appropriate subsystems in order to be analyzed separately (Billinton & Allan, 1996). This research deals with generation reliability assessment in power pool m...

2013
Ashwani Kumar Sanjay K. Jain

The doubly-fed induction generator (DFIG) is widely used in variable speed wind energy conversion systems (WECS). This paper presents a review on various topologies, configuration, power converters and control schemes used with the operation of the DFIG. The operation of DFIG based on both slip ring and brushless arrangement has been discussed. The grid integration of DFIG and its influence on ...

2008
Shuo Xiao Vijay Sivaraman Alison Burdett

Emerging body-wearable devices for continuous health monitoring are severely energy constrained and yet required to offer high communication reliability under fluctuating channel conditions. This paper investigates the dynamic adaptation of radio transmit power as a means of addressing this challenge. Our contributions are three-fold: we present empirical evidence that wireless link quality in ...

2009
Josef TLUSTY Andrew KASEMBE Zdenek MULLER Jan SVEC Tomas SYKORA Antonin POPELKA

Large power system disturbances and their consequences, represent a challenging problem for the power industry and especially for the network system operators, the ones who are responsible for the network operation at large, its security and reliability. This fact has reinforced interest in the new generation of monitoring systems with the aim to gain if possible a precise and maximum knowledge...

2001
Ashkan Kian Ali Keyhani

In this paper the problem of modeling electricity price dynamics in deregulated energy markets is studied. Since the nature of customers' energy consumption, market participants' strategic behavior and the power system reliability indices are stochastic processes, the electricity price model will be stochastic as well. In our analysis the price of electricity is modeled based on the customers' ...

2013
Baseem Khan Ganga Agnihotri Anuprita Mishra Gaurav Gupta

Restructuring of Electricity supply industry introduced many concerns such as transmission pricing, transmission loss allocation and congestion management. Several methodologies and algorithms were proposed for addressing these issues. In this paper, a power flow tracing based method is proposed, which involves Matrices methodology for the transmission usage and loss allocation for generators a...

2014
N. M. Tabatabaei A. Jafari N. S. Boushehri

Reactive power plays an important role in supporting the real power transfers by maintaining voltage stability and system reliability. It is a critical element for a transmission operator to ensure the reliability of an electric system while minimizing the cost associated with it. The traditional objectives of reactive power dispatch are focused on the technical side of reactive support such as...

2000
Robert Wilson

ransmission is playing an increasingly vital role in the modern electric power system. The transmission network is critical for system reliability and security by physically connecting geographically dispersed regions; at the same time, it enables economies of scale in generation plants, economies from pooling diverse demands and supplies, and economies from maintenance coordination. As competi...

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