نتایج جستجو برای: grid network

تعداد نتایج: 744777  

2003
Mark Burgin

A new model for computers and networks is developed and studied. The model has the two-folded form: a grid array, which gives a direct representation for different kinds of computers and networks and its theoretical counterpart, a grid automaton. Grid arrays are aimed at computer/network design, description, verification, adaptation, maintenance, and reusability. Grid automata are aimed at the ...

2006
Sang-Il Lee Youngjoo Han Hyewon Song Changhee Han Chan-Hyun Youn

Grid computing enables the virtualization of distributed computing and data resources such as processing, network bandwidth and storage capacity to create a single system image. The complexity of resource management in Grid significantly increases as the grid computing grows. To solve the problem we propose grid policy administrator with MDP-based resource management scheme. The grid policy adm...

Journal: :CoRR 2013
Baisakh Chinmayee Mishra Abhilipsa Pradhan

A research work without considering the power constraint cannot be conceded a fine contribution towards Mobile Ad Hoc Networks (MANET). As MANET comes into action for some special purpose, but its fugacity sometimes result degrades in network performance. Although the many prominent features of MANET like mobility, dynamic change in topology, multi radio relaying, quickly lay down the network w...

Journal: :the modares journal of electrical engineering 2010
syed saeed - mohtavipour mohsen - parsa moghadam mahmood reza - haghifam

a critical protection requirement for grid connected distributed generators (dg) is anti-islanding protection. in this paper, a new islanding detection method for any possible network loading is proposed based on utilizing and combining various system parameter indices. in order to secure the detection of islanding, eight intentional disturbances are imposed to the system under study in which t...

ژورنال: Journal of Railway Research 2018
Fazel, Seyed Saeed, Foiadelli, Federica, Jafari Kaleybar, Hamed, Madadi Kojabadi, Hossein, Brenna, Morris ,

Abstract Traditional railway power supply systems impose substantial power quality problems (PQ) on the utility network, such as unbalance, harmonics and a large amount of reactive power. This paper proposes a topology based on three-phase to single-phase modular multilevel converters (MMC) to obviate these problems. The MMC based traction substations (TSS) are connected directly to the utili...

2013
Keshab Nath

Internet technology is too much popular now a day and due to the availability of high performance computer and network technology at low cost change the view of using computer and internet. Grid computing is conceptually not like electric grids. In electric grid we can just link to the outlets of an infrastructure and we don’t need to know from where and how we are getting electricity. Grid com...

2007
Katarina Stanoevska-Slabeva Carlo Figà Talamanca George A. Thanos Csilla Zsigri

Grid middleware provides the fundamental framework for the provision of Grid services. However, Grid middleware is complex software that consists of several modules. The modules for a specific grid middleware exhibit in many cases complementary features and are produced by different software providers. Thus, in order to provide a complete grid solution for business customers, it is necessary to...

Hassan Changiziyan Zolekh Teadadi,

In the near future the use of distributed generation systems will play a big role in the production ofelectrical energy. One of the most common types of DG technologies , fuel cells , which can be connectedto the national grid by power electronic converters or work alone Studies the dynamic behavior andstability of the power grid is of crucial importance. These studies need to know the exact mo...

A. A. Bidokhti, M. Kherandish and H. F. Hosseini, M.R. Bannazadeh,

Observations of the Caspian Sea during August-September 1995 are used to develop a three-dimensional numerical model to be used in calculating temperature and current. The model has variable grid resolution and horizontal smoothing that filters out small scale vertical motion. Data from the meteorological buoy network on the Caspian Sea are combined with routine observations at first-order syno...

A. A. Bidokhti, M. Kherandish and H. F. Hosseini, M.R. Bannazadeh,

Observations of the Caspian Sea during August-September 1995 are used to develop a three-dimensional numerical model to be used in calculating temperature and current. The model has variable grid resolution and horizontal smoothing that filters out small scale vertical motion. Data from the meteorological buoy network on the Caspian Sea are combined with routine observations at first-order syno...

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