Abstract
Changing the characteristics of modern power system associated with the introduction of renewable energy sources and technologies for flexible control of the power system operation mode. This necessitates changing requirements to the functionality of Protection, Automation and Control Systems (PACS). These requirements are based on the need to adapt the PACS algorithms to the new operating conditions of the power system and consider advances in digital technology and information and communication technology. One of the most important conditions for solving this problem is the need to use in PACS the information about the processes of new quality occurring in the power system. Currently, the technology that provides measurement of electric modes parameters of power system with standardized accuracy and time synchronization not exceeding 1 µs, as well as data transmission over arbitrarily long distances with minimal delay and data losses is synchrophasor technology. Development of software based on synchrophasor technology and its implementation for monitoring and control of the electric mode of the power system leads to a constant increase in the amount of data transmitted to the control centers of the System operator and puts forward additional requirements to improve the quality of information received. Therefore, there is a task of maximum use of the resource of existing communication networks, which requires the adoption of complex technical solutions related to the optimization of the architecture of communication networks, improvement of information transfer technologies, organization of automatic life cycle monitoring of PACS (WAMPAC). The paper presents the practical experience and research results of the System operator on the organization of communication networks, providing reliability in the transmission of a large amount of data in real time with the necessary quality for their application in monitoring and control tasks in real time.
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