![]() ![]() To meet future demands, methods and techniques must be developed to explore the full range of signals derived from the complex interaction between suppliers, consumers and network operators. Continuous monitoring is also required to capture various events and variations. Moreover, the signal processing of the power patterns leads to better understanding the behavior of these equipment. Other possible aspects that need inspection are the efficient representation of the voltage and current variations in various electrical equipment. ![]() The characterization of the incompatibilities caused by these deviations requires an understanding of their principal cause. Power quality is one of the main issue of the smart grid research where voltage, current and frequency deviations in the power system are the main concerns of the system operator. These measurements can also be used for a variety of issues such as voltage control, power quality and reliability, power system and equipment diagnostics, power system control and protection, etc. This is due to the fact that measurements retrieved from numerous locations of the grid can be used for data analysis. In addition to this, signal processing has wide variety of applications and is becoming an important tool for electric power system analysis. In such a complex scenario, signal processing techniques are essential to understand, plan, design and operate the complex future smart electronic grids. The infrastructure comprises of smart meters, appliances, and resources with a combination of modern technologies like, control, power, instrumentation, and communication. Smart grid is a network of electric supply that manages power demand in reliable and economic manner by detecting and reacting to local changes in usage. Furthermore, this paper also outlines some future research directions related to applications of signal processing in smart grids. This paper provides a comprehensive survey on the applications of signal processing techniques in smart grids, plus the challenges and shortcomings of these techniques. ![]() The efficiency of these devices is greatly dependent on the selection and implementation of the advance digital signal processing techniques. The smart grid implementation requires intelligent interaction between the power generating and consuming devices that can be achieved by installing devices capable of processing data and communicating it to various parts of the grid. Efficient energy consumption and minimum costs are also included in the prodigious features of smart grid. The distinguished features of the smart grid are monitoring capability with data integration, advanced analysis to support system control, enhanced power security and effective communication to meet the power demand. Smart grid is an emerging research field of the current decade. ![]()
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