Concept design for SCADA system using Cognitive Radio based IEEE 802.22 for power system

Supervisory Control and Data Acquisition (SCADA) is used in modern power system for monitoring, controlling, gathering the information, transfer to information back to a central station, carry out necessary analysis and control carry out necessary analysis and control. A SCADA system involves the integrated technologies of computer, communication, electric devices etc. Here the communication media provides the physical medium for transferring, controlling and acquisition of data within SCADA from remote locations. Although wireless communications media become an attractive option as communications networks for SCADA system, compared with wired communications, wireless communications in power system environments presents a number of security and reliability issues. As in SCADA system the communication media plays an important role, to meet objectives of the SCADA systems, different wired and wireless communications media have been applied in modern power system environment. This paper presents a concept about SCADA system using Cognitive Radio based IEEE 802.22 standard for overcoming all existing limitations of SCADA's communication media for future power system where details design, analyses of feasibility and benefits over wired and other wireless systems are also described.

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