IEEE P1806/D6.1, Mar 2021
IEEE Approved Draft Guide for Reliability Based Placement of Overhead and Underground Switching and Overcurrent Protection Equipment Up to and Including 38 kV
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- Language: English
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About This Item
IEEE P1806/D6.1, Mar 2021 is an approved draft guide focused on the reliability-based placement of overhead and underground switching and overcurrent protection equipment up to and including 38 kV. It addresses how utility planners and engineers may position protective devices to improve fault isolation, service continuity, and coordination in distribution networks. For equipment decisions in power and energy applications, this technical document helps connect system performance goals with practical placement choices.
What is IEEE P1806/D6.1, Mar 2021?
This guide outlines a reliability-based approach for locating switching and overcurrent protection equipment on overhead and underground systems rated up to 38 kV. IEEE P1806/D6.1, Mar 2021 is intended to support engineering decisions where device placement affects outage duration, sectionalizing, and protection coordination. Rather than defining a single layout, it provides a technical basis for evaluating where protective equipment may best serve system reliability objectives in distribution design and review.
Where is IEEE P1806/D6.1, Mar 2021 used?
This standard is most relevant in electric utility distribution planning, substation and feeder design, and the selection of switching and protective devices for overhead and underground circuits. IEEE P1806/D6.1, Mar 2021 may be used when engineers are determining how to place reclosers, switches, or overcurrent protection equipment on circuits up to 38 kV. It is also useful during system upgrades, reliability studies, and network segmentation work where outage management is a priority.
Why is IEEE P1806/D6.1, Mar 2021 important?
Reliable device placement can directly affect how quickly faults are isolated and how much of the system remains energized after an interruption. IEEE P1806/D6.1, Mar 2021 supports more consistent engineering decisions by linking protection layout to reliability objectives, which can help reduce operational risk and improve coordination. It is especially important when comparing design alternatives, specifying equipment, or reviewing plans for compliance and performance expectations in distribution systems.
- Reliability-based placement guidance
- Overhead and underground applications
- Switching and overcurrent protection equipment
- Voltage range up to and including 38 kV
- Distribution planning and coordination support
- Publication Date: 2021
- Standard Status: Inactive
- Publisher: IEEE
- Subject: Components, Circuits, Devices and Systems; Power, Energy and Industry Applications
- Official IEEE: Doi link
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