IEEE PC37.230/D2.6, Oct 2019 is an inactive draft guide for protective relay applications to distribution lines. It addresses how relaying is applied within distribution power systems, where protection must balance speed, selectivity, and coordination across circuits and devices. As a technical document in the power, energy, and industry applications space, it helps engineers understand the intended approach to relay application practices for distribution-line protection and supports more consistent design and review decisions.

Overview of IEEE PC37.230/D2.6, Oct 2019

This draft guide focuses on protective relay applications for distribution lines, making it relevant to the engineering of protection schemes on feeders and related distribution equipment. IEEE PC37.230/D2.6, Oct 2019 is oriented toward application guidance rather than product design, so it is useful when evaluating how relays may be coordinated, set, and applied in distribution environments. It can help support technical understanding of protection philosophy, operating objectives, and practical considerations for circuit-level reliability.

Typical use cases

IEEE PC37.230/D2.6, Oct 2019 is typically used when planning or reviewing protection schemes for distribution lines, feeder circuits, and associated relay applications in utility or industrial power networks. It may support relay coordination studies, protection setting development, and technical comparison of application approaches for line faults, switching conditions, and system coordination. It is also relevant for engineers preparing specifications or evaluating protection practices for distribution-oriented electrical infrastructure.

Why it matters

This standard matters because distribution protection must be consistent, dependable, and appropriate to the network being protected. IEEE PC37.230/D2.6, Oct 2019 can help reduce application errors by giving a clearer basis for relay selection and coordination on distribution lines. That supports safer operation, better fault isolation, and more disciplined procurement and design review. For teams working with protective relaying, it provides a focused reference for aligning engineering decisions with a recognized technical draft.

• Protective relay application guidance
• Distribution line protection focus
• Coordination and setting considerations
• Power system engineering reference
• Inactive draft standard document