IEEE P1862/D6-3, Sept 2013
IEEE Draft Recommended Practice for Overvoltage and Insulation Coordination of Transmission Systems at 1000kV AC and Above
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- Language: English
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About This Item
IEEE P1862/D6-3, Sept 2013 is an English-language draft recommended practice focused on overvoltage and insulation coordination for transmission systems at 1000 kV AC and above. It addresses how very high-voltage networks can be planned and evaluated so insulation levels, clearances, and surge protection are aligned with system stresses. For utilities, designers, and equipment engineers, IEEE P1862/D6-3, Sept 2013 helps frame technical decisions that may influence reliability, safety, and long-term operating performance.
About IEEE P1862/D6-3, Sept 2013
This draft recommended practice provides technical guidance for insulation coordination in ultra-high-voltage AC transmission environments. Its purpose is to help engineers consider overvoltage conditions, insulation strength, and related design margins when working at 1000 kV AC and above. IEEE P1862/D6-3, Sept 2013 is relevant where system performance depends on consistent coordination between line insulation, substations, apparatus ratings, and surge mitigation. It is best viewed as a specialized engineering reference for high-voltage planning and review.
Where is IEEE P1862/D6-3, Sept 2013 used?
IEEE P1862/D6-3, Sept 2013 is most useful in transmission planning, high-voltage substation design, and the specification of equipment for very high AC voltage networks. It may support studies involving insulation levels, switching and lightning overvoltage behavior, and coordination between transmission lines, transformers, bushings, and arresters. The document is especially relevant in projects where insulation performance must be matched to extreme voltage conditions and where consistent engineering assumptions are needed across system components.
Importance in practice
In practice, this recommended practice supports safer and more consistent decisions about insulation and overvoltage performance. It can help reduce design uncertainty, improve coordination between equipment ratings, and support procurement or testing requirements for high-voltage assets. For systems operating at 1000 kV AC and above, even small coordination errors may affect reliability or increase failure risk. IEEE P1862/D6-3, Sept 2013 gives technical direction that can be used to align engineering choices with expected electrical stresses.
- Overvoltage coordination guidance
- Insulation planning for 1000 kV AC and above
- High-voltage transmission system applications
- Equipment and apparatus rating alignment
- Design and testing reference for ultra-high-voltage networks
- Publication Date: 2013
- 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
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