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Research Article Open Access
A Smart grid is expected to be a modernization of the legacy electricity network. It Provides monitoring, protecting and optimizing automatically to operation of interconnected element. It converts from traditional centre generator and/or emerging renewable distributed generator through transmission network and distributed system to 9industrial consumers and/or home users with their thermostats, Electric vehicles and intelligent appliances. This paper discusses on general aspects of smart grids and focuses on some smart grid features at distribution level like interconnection of distributed generation and active distribution management, using automated meter reading (AMR) systems in network management. In this paper, physical and cyber security issues for smart grid distribution systems are discussed, including vulnerabilities and security needs. An intelligent distributed control architecture is then presented to provide distribution systems with greater protection against threats and with the ability to quickly respond to attacks and disturbances. This vision is expected to be a critical part of the power system control of smart grid technology.