From Field Experience to Knowledge Transfer: Enhancing Training in Line Differential Protection

Overreaching Transfer Trip – POTT - and Directional Ground Comparison - 67NCD. At ISA

INTERCOLOMBIA, its widespread implementation has not only improved operational performance but also generated a valuable body of technical knowledge. This knowledge, derived from extensive field experience, has been systematically documented and transformed into training content that strengthens the development of engineers and technicians in electrical protection.

This paper examines the technical and organizational dimensions of implementing and managing line differential protection systems, emphasizing how operational insights are converted into structured learning. Drawing on data from more than 90 differential protection links, the study identifies recurring challenges, shares practical solutions, and outlines best practices developed through real-world scenarios. It also evaluates Factory Acceptance Testing

– FAT - and Site Acceptance Testing – SAT- procedures, revealing gaps in fault simulation practices and proposing improvements through updated guidelines and training modules.

Additionally, the transition from SDH to MPLS-TP communication networks is analyzed for its impact on relay synchronization and system reliability, presenting it as both a technical challenge and a learning opportunity. A key component of this process is knowledge management. Lessons learned from field operations are compiled into internal knowledge bases, technical bulletins, and training modules that support onboarding and continuous education. Peer-to-peer learning is promoted through technical forums and post-event analysis sessions, fostering collaboration and adaptive strategies among protection engineers.

The findings demonstrate that targeted optimization efforts—such as refined relay configurations and enhanced FAT/SAT protocols—have led to measurable improvements in protection reliability and network stability. The adoption of MPLS-TP has increased system resilience and redundancy, mitigating risks associated with legacy SDH networks. Real-world lessons have informed design improvements and adaptive strategies for evolving grid conditions.

In conclusion, effective management of line differential protection systems requires more than technical precision; it demands a holistic approach that integrates strategic planning, rigorous testing, and continuous learning. ISA INTERCOLOMBIA’s experience highlights the value of transforming operational insights into structured knowledge that supports proactive risk mitigation and adaptive system tuning. By embedding these lessons into training programs and internal knowledge-sharing platforms, the organization ensures that expertise is preserved and expanded. This paper offers technical recommendations and strategic insights that demonstrate how knowledge management can drive the optimization of differential protection systems while simultaneously strengthening the professional development of protection engineers.