IEEE C37.122.4-2016
Insulated Transmission Lines, Rated 72.5 kV and Above
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About This Item
C37.122.4-2016 is a technical standard for insulated transmission lines rated 72.5 kV and above, addressing the design and performance context of high-voltage line components, dielectric materials, and related systems. It is relevant where insulation must support reliable operation under demanding power transmission conditions. By setting a consistent technical reference, this standard helps engineers, specifiers, and purchasers evaluate line construction, material suitability, and expected electrical performance with greater confidence.
Overview of C37.122.4-2016
This standard focuses on insulated transmission lines used in high-voltage power applications, where insulation integrity and dielectric behavior are central to system performance. C37.122.4-2016 is typically used as a reference for understanding how these lines should be designed, assessed, or specified at voltages of 72.5 kV and above. Its technical context links components, circuits, and engineered materials to practical transmission-line requirements, helping align equipment choices with the electrical stresses these systems may encounter.
Typical use cases
C37.122.4-2016 is commonly relevant during the planning and specification of insulated transmission lines for substations, utility transmission corridors, and other high-voltage installations. It may also support review of line insulation systems, dielectric materials, and associated hardware where electrical clearance and insulation performance are important. Engineers and procurement teams may use it when comparing candidate designs, coordinating compliance requirements, or reviewing technical documentation for transmission-line assemblies and related power-system components.
Why it matters
For high-voltage transmission projects, consistent insulation requirements are critical to safety, reliability, and long-term performance. C37.122.4-2016 provides a common technical basis that can reduce ambiguity in design review, procurement, and testing. It may help limit risk tied to insulation failure, material mismatch, or unclear performance expectations. In practice, using a defined standard supports better coordination between design teams, manufacturers, and operators when specifying insulated transmission-line solutions.
- Insulated transmission lines
- 72.5 kV and above
- Dielectric and insulation considerations
- High-voltage power applications
- Design, review, and procurement support
- Publication Date: 2017
- Standard Status: Active
- Publisher: IEEE
- Subject: Components, Circuits, Devices and Systems; Engineered Materials, Dielectrics and Plasmas; Power, Energy and Industry Applications
- Official IEEE: Doi link
- This Version: C37.122.4 (2017)
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