TT issues Subscribe Login to Read Editor’s Letter ALAN ROSS Digital Twins: Revolutionizing Testing of Protection Relays Cancel Your Subscription to Electrical Safety Issues Electric Substation Large Power Equipment: Cost Effective Methods for Repairing Oil and Gas Leaks TMC @ IEEE T&D Exhibition: Network Transformers on Stage Grid Innovations and Digital Transformation Power Cable Systems Reliability and Longevity: Past, Present, and the Future Technical Advisors’ Column: Control Transformers How Crucial is HVDC for Energy Transition? Landscape of HVDC Technology in North America and Europe Transformer Connections: Types and Their Impact on System Performance