GRID COMPUTING with POWER SYSTEM SECURITY
م.م. هشام عيدان حسين
قسم القدرة والمكائن
In modern industrialized society, a supply of electric energy is expected to be reliable and continuous since a high availability of secure power system is essential for its progress. A secure power system is expected to be free from risk or danger and to have the ability to withstand without exception to any one of the pre-selected list of credible contingencies. The last decade has seen a considerable increase in commodity computer and network performance, mainly as a result of faster hardware and more sophisticated software. Nevertheless, there are still problems, in the fields of science, engineering and business, which cannot be dealt effectively with the current generation of supercomputers. In fact, due to their size and complexity, these problems are often numerically and/or data intensive and require a variety of heterogeneous resources that are not available from a single machine. Various experimental studies are conducted on the cooperative use of geographically distributed resources conceived as a single powerful computer. This new approach is known as grid computing. Grid Computing is a new distributed computing technology. It is built on the Internet, LAN and connected high performance computers, large scale database, sensors, remote equipments altogether to realize resource sharing, eliminate information isolated island and get cooperation. Grid Computing makes up for the deficiency of the past distributed computing technology for its dynamics, expandability, and security and so on. It satisfies the requirement of dynamic security assessment system. enables the sharing, selection, and aggregation of a wide variety of resources including supercomputers, storage systems, data sources, and specialized devices that are geographically distributed and owned by different organizations for solving large scale computational and data intensive problems in science, engineering, and commerce. Thus creating virtual organizations and enterprises as envisioned in as a temporary alliance of enterprises or organizations that come together to share resources and skills, core competencies, or resources in order to better respond to business opportunities or large-scale application processing requirements, and whose cooperation is supported by computer networks.
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