Arjun scrolled frantically. He skipped past the chapters on insulators and switchyard fencing. He went straight to the section on 'Protection and Interlocking Schemes'. He remembered Rao mentioning a specific case study from the 90s involving a similar ring main unit configuration.
In-depth sections on EHV-AC, HVDC substations, and SF6 Gas Insulated Substations (GIS). Arjun scrolled frantically
He found the chapter. The diagrams were hand-drawn, scanned from an older edition, the lines slightly faded. scanned from an older edition