IEEE 1862-2014
IEEE Recommended Practice for Overvoltage and Insulation Coordination of Transmission Systems at 1000 kV AC and Above
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- Language: English
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About This Item
IEEE 1862-2014 is a technical standard focused on overvoltage and insulation coordination for transmission systems rated at 1000 kV AC and above. It addresses how high-voltage power networks should be designed and evaluated to withstand electrical stress, helping engineers manage insulation performance, system reliability, and equipment protection. For ultra-high-voltage transmission planning and procurement, IEEE 1862-2014 provides a practical reference for coordinating design choices with operating conditions and expected surge behavior.
What is IEEE 1862-2014?
This standard is a recommended practice for managing overvoltage conditions and insulation coordination in very high voltage AC transmission systems. IEEE 1862-2014 is concerned with how insulation levels, switching and lightning-related stresses, and system configuration interact in networks operating at 1000 kV AC and above. It is used as a technical guide for selecting appropriate design margins and coordinating equipment withstand capability with the electrical environment, supporting consistent engineering decisions in complex transmission projects.
Where is IEEE 1862-2014 used?
IEEE 1862-2014 is relevant in ultra-high-voltage transmission corridors, substations, and system studies where insulation coordination must account for severe overvoltage exposure. It may be used by utilities, transmission planners, equipment engineers, and consultants working on line insulation, station insulation, surge protection, and related design reviews. The standard is especially useful when evaluating transmission hardware, system clearances, and protection schemes for long-distance bulk power delivery at 1000 kV AC and above.
Why is IEEE 1862-2014 important?
For high-voltage transmission projects, IEEE 1862-2014 helps reduce insulation failure risk by linking design choices to realistic electrical stresses. It supports more consistent compliance checks, technical comparisons, and procurement decisions for equipment and materials used in demanding power-system environments. By improving coordination between expected overvoltages and insulation capability, the standard can help engineers manage reliability, safety, and performance in systems where failures may be costly and disruptive.
- Overvoltage coordination for UHV AC systems
- Insulation level selection and review
- Transmission line and substation design support
- Surge and withstand performance considerations
- Engineering reference for 1000 kV AC and above
- Publication Date: 2014
- Standard Status: Inactive
- Publisher: IEEE
- Subject: Power, Energy and Industry Applications; Components, Circuits, Devices and Systems; Engineered Materials, Dielectrics and Plasmas
- Official IEEE: Doi link
- This Version: 1862 (2014)
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