Institute of Electrical and Electronics Engineers (IEEE)
Latest
IEEE Std 1427-2020
Scope
This guide, covering three-phase ac systems from 1 kV to 800 kV, provides recommended electrical operating, safety clearances, and insulation levels in air-insulated electric supply substations; addresses insulation coordination procedures; provides design procedures for the selection and coordination of the insulation levels within the station as they relate to substation clearances; and addresse...
IEEE Std 1427-2020 history
2021IEEE Std 1427-2020 IEEE Guide for Recommended Electrical Clearances and Insulation Levels in Air Insulated Electrical Power Substations - Redline
2007IEEE Std 1427-2006 IEEE Guide for Recommended Electrical Clearances and Insulation Levels in Air Insulated Electrical Power Substations