Abstract
Smart power grid is referred to as the next revolutionary innovation in electric power generation, transmission, and distribution technology. Smart grids are an example of cyber physical system (CPS) and an extremely critical infrastructure. The smart grids are expected to be more secure and must have the ability of self-healing and recovery. Smart power grids are also one of the major targets for different kinds of cyber attacks, as they are now an open system network, according to the model architecture of smart power grid. This paper presents a comprehensive survey on understanding the smart power grid, its important components, different cyber security and other kinds of issues, existing methodologies and approaches for communication protocols, and architecture of smart power grids. We conclude our paper by discussing various research challenges that still exist in the literature, which provides a better understanding of the problem, the current solution space, and future research directions to defend smart power against different cyber attacks.
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