IEEE C37.122.2-2011
Insulated Substations 1 kV to 52 kV
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About This Item
C37.122.2-2011 is a technical standard for insulated substations in the 1 kV to 52 kV range, addressing how equipment and assemblies are specified for power, energy, and industrial applications. It is relevant where insulation performance, electrical clearances, and reliable operation must be coordinated in compact substation environments. As C37.122.2-2011 is marked inactive, it is especially useful as a reference for legacy designs, documentation review, and compatibility checks.
Overview of C37.122.2-2011
This standard focuses on insulated substation requirements within medium-voltage service, where enclosure design and insulating systems are central to safe and dependable operation. C37.122.2-2011 typically serves as a technical reference for defining how substation components may be arranged, insulated, and evaluated for the stated voltage range. For engineers, specifiers, and maintenance teams, it helps frame expectations for design details, performance considerations, and the technical language used in procurement or compliance reviews.
Typical use cases
C37.122.2-2011 is commonly consulted for insulated substation projects in utility, industrial, and large facility power distribution systems. It may be used when reviewing switchgear-related assemblies, substation enclosures, and insulation coordination for installations operating from 1 kV up to 52 kV. The standard can also support documentation for equipment selection, refurbishment of existing substations, and technical comparison of components intended for compact or enclosed installation environments.
Why it matters
For insulated substations, consistent technical requirements are important for safety, reliability, and long-term service performance. C37.122.2-2011 helps reduce ambiguity in design and procurement by giving a shared reference for insulation-related expectations and system boundaries. That can improve compatibility between equipment, support more consistent testing or review practices, and lower the risk of misapplication in medium-voltage power systems. It is particularly valuable when working with legacy assets or specifications that still reference this inactive standard.
- Insulated substations, 1 kV to 52 kV
- Medium-voltage power system applications
- Design and insulation coordination reference
- Legacy specification and compliance review
- Equipment and enclosure planning
- Publication Date: 2012
- Standard Status: Inactive
- Publisher: IEEE
- Subject: Power, Energy and Industry Applications; Components, Circuits, Devices and Systems
- Official IEEE: Doi link
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