IEEE P2748/D5.4, Jul 2023

IEEE P2748/D5.4, Jul 2023 is an IEEE approved draft recommended practice for fault diagnosis and protection in smart distribution systems. It addresses the challenges of detecting, locating, and responding to faults in networks that combine power, energy, computing, and communication technologies. For utilities and system engineers, this draft can help support more consistent protection strategies, improve operational reliability, and reduce the risk of miscoordination in interconnected distribution environments.

Overview of IEEE P2748/D5.4, Jul 2023

IEEE P2748/D5.4, Jul 2023 focuses on technical guidance for fault diagnosis and protection within smart distribution system environments. The subtitle indicates a recommended practice rather than a prescriptive equipment specification, so its value is likely in helping align methods, terminology, and protection considerations across distributed assets and communication-enabled infrastructure. As an inactive draft, it remains relevant as a reference point for understanding the intended technical scope and the engineering approach behind fault handling in modern distribution networks.

Typical use cases

This standard may be used when planning or reviewing protection approaches for smart distribution feeders, automated switching schemes, and networked monitoring systems. It is relevant to distribution equipment that relies on both electrical and communication signals to identify abnormal conditions and support fault isolation. Typical use cases can include utility grid modernization work, substations with digital control, distributed energy resource integration, and engineering studies where diagnostic logic and protection coordination must work together across interconnected components.

Why it matters

Fault diagnosis and protection are central to safe and dependable distribution operations, especially where communication, sensing, and control functions are tightly linked. IEEE P2748/D5.4, Jul 2023 can help organizations evaluate design choices, compare protection approaches, and support more consistent testing or review practices. Using a common recommended practice may also reduce ambiguity during procurement and system integration, while improving coordination between equipment suppliers, operators, and engineering teams responsible for performance and risk control.

• Fault diagnosis in smart distribution systems
• Protection coordination for interconnected assets
• Recommended practice for utility engineering review
• Integration of power and communication functions
• Support for testing and design consistency