Summary

The global power sector is currently undergoing a fundamental transition, shifting from traditional isolated electrical systems to highly interconnected cyber-physical systems. This evolution is driven by the rapid integration of renewable energy and the adoption of digital substations, which have effectively eliminated the "air gap" between electrical engineering and information technology. In this new landscape, the reliability of power protection no longer depends solely on physical hardware such as copper wiring and relay algorithms; it is now dictated by the integrity of communication networks. Because critical trip signals and measurement data are now transmitted as data packets via IEC 61850 protocols; specifically

GOOSE and Sampled Values, factors such as network latency, jitter, and VLAN configuration have become as vital to grid stability as fault physics. However, this technological shift has created a significant professional skills gap within the industry. Many experienced engineers remain proficient in conventional protection principles but lack the network protocol competency required to diagnose modern failure modes, such as blocked multicast streams or time synchronization errors. This challenge is further compounded by a heavy reliance on external vendors (OEMs) for turnkey projects, which often results in a loss of internal utility expertise and operational autonomy. To mitigate these risks, utilities must move away from a purely theoretical understanding of digital systems and toward a model of practical, hands-on competency. To bridge this gap, the industry must adopt a structured approach to training that centres on virtualisation and simulation-based platforms. By utilizing digital twins of substations, engineers can safely design, test, and troubleshoot complex IEC 61850 architectures without risking live infrastructure. This environment is essential for developing the ability to correlate physical power events with network traffic, this allows for more effective responses to both technical failures and cybersecurity threats. Ultimately, ensuring grid resilience requires a formal framework of certification and continuous recertification that integrates protection engineering with networking and OT security, transforming these digital skills into a core internal competency for the modern utility workforce.

Additional informations

Publication type Session Materials
Reference B5_10983_2026
Publication year
Publisher CIGRE
Country South Africa
Study committees
File size 774 KB
Price for non member 30 €
Price for member 30 €

Authors

LEHUTSO Ronny; MANYAPETSA Kgomotso

Keywords

Certification Programs, Lifelong Learning, Knowledge management, Operational Technology, Virtualization & Testbeds.

Enhancing knowledge management and skills retention in OT protection and control environments