DEVELOPMENT OF A MICROPROCESSOR-BASED SYSTEM FOR OPERATIONAL INTERLOCKING AND PROTECTION OF ELECTRICAL EQUIPMENT IN DIGITAL SUBSTATIONS
Keywords:
digital substation, microprocessor system, protection, interlocking, IEC 61850, automation.Abstract
The rapid evolution of digital technologies has significantly transformed the electric power industry, leading to the emergence of advanced automation systems. One of the most important innovations in this field is the transition from conventional substations to digital substations, which rely on intelligent electronic devices (IEDs) and microprocessor-based solutions. These systems provide enhanced monitoring, control, and protection capabilities. This paper presents the design and development of a modern microprocessor-based system for operational interlocking and protection of electrical equipment in digital substations. The proposed system is aimed at improving reliability, response speed, and safety under various operating conditions. Special attention is given to system architecture, data modeling based on electrical схемes, and compliance with international standards such as IEC 61850. The results demonstrate that the implementation of such systems significantly enhances automation efficiency and ensures stable operation of power facilities.
