![]() Traditional power grids are now transformed into Smart Grids (SGs) in order to solve the problems of energy wastage, energy control, uni-directional flow of information, growing energy demand, reliability, measurement and security.Smart grids increase the automation, coordination and connectivity between these electricity suppliers, electricity usersand networksused in local distribution tasks and long distance transmission. Additionally, future foreseeable challenges/issues in designing of SG are also categorized and addressed in this article. The key focus is on to shed some light for better understanding the concept and characteristics of SG accord-ing to different countries’s vision. Based on a vast amount of relevant documents on smart grid, the aim of this paper is to highlight the importance and needs of SG by providing an overview of the essentials of a progressive smart grid paradigm with different concepts in context with old grid. With a growing demand for sustainable electricity, the need for such a grid is vital that works more efficient, reliable with affordable maintenance, able to accommodate more renewable energy sources. Until now, there is no clear agreement worldwide on the smart grid related technologies. Power grid enterprises and organizations comprehend the concept of smart grid variously under different development environment and political requirement. However, there exist differ-ences in understanding and implementing the concept of smart grid in different countries. Smart Grid (SG) is one of the biggest challenge at plantery level that grab the attention of whole world.It is an umbrella term used for a set of technologies that are being developed as a substitution to old conventional power grid in context of future requirments. It is expected that this paper will provide a better understanding of the technologies, potential advantages and research challenges of the smart grid and provoke interest among the research community to further explore this promising research area. ![]() The main objective of this paper is to provide a contemporary look at the current state of the art in smart grid communications as well as to discuss the still-open research issues in this field. This paper addresses critical issues on smart grid technologies primarily in terms of information and communication technology (ICT) issues and opportunities. While current power systems are based on a solid information and communication infrastructure, the new smart grid needs a different and much more complex one, as its dimension is much larger. The smart grid can be considered as a modern electric power grid infrastructure for enhanced efficiency and reliability through automated control, high-power converters, modern communications infrastructure, sensing and metering technologies, and modern energy management techniques based on the optimization of demand, energy and network availability, and so on. To address the challenges of the existing power grid, the new concept of smart grid has emerged. Experiences have shown that the hierarchical, centrally controlled grid of the 20th Century is ill-suited to the needs of the 21st Century. ![]() It is expected that this paper will provide a better understanding of the technologies, potential advantages and research challenges of the smart grid and provoke interest among the research community to further explore this promising research area.įor 100 years, there has been no change in the basic structure of the electrical power grid. The main objective of this paper is to provide a contemporary look at the current state of the art in smart grid communications as well as to discuss the still-open research issues in this field. The smart grid can be considered as a modern electric power grid infrastructure for enhanced efficiency and reliability through automated control, high-power converters, modern communications infrastructure, sensing and metering technologies, and modern energy management techniques based on the optimization of demand, energy and network availability, and so on. Abstract-For 100 years, there has been no change in the basic structure of the electrical power grid.
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