IEEE Standards Association
IEEE Project
P1862 - Recommended Practice for Overvoltage and Insulation Coordination of Transmission Systems at 1000kV AC and Above
This recommended practice applies to transmission system at 1000kV AC and above. It defines standard insulation levels and specifies procedures for selecting insulation levels of AC transmission lines and substations. It also specifies reliability criterion under switching and lightning overvoltages. Suggestions on insulation coordination design are described. Overvoltage mitigation measures are recommended according to the characteristics of such AC systems. Some examples of insulation coordination are also presented
- Status:
Working Group: UHV-WG - Ultra-High Voltage Working Group
Sponsor: BOG/CAG - Corporate Advisory Group
Society: BOG - IEEE-SA Board of Governors
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