IEEE Std 1427-2006
IEEE Guide for Recommended Electrical Clearances and Insulation Levels in Air Insulated Electrical Power Substations

Standard No.

IEEE Std 1427-2006

Release Date

2007

Published By

Institute of Electrical and Electronics Engineers (IEEE)

Status

Be replaced 2021-03

Replace By

IEEE Std 1427-2020

Latest

IEEE Std 1427-2020

Scope

This guide, covering three-phase ac systems from 1 kV to 800 kV, provides recommended electrical operating and 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 addres...

IEEE Std 1427-2006 history

• 2021 IEEE Std 1427-2020 IEEE Guide for Recommended Electrical Clearances and Insulation Levels in Air Insulated Electrical Power Substations - Redline
• 2007 IEEE Std 1427-2006 IEEE Guide for Recommended Electrical Clearances and Insulation Levels in Air Insulated Electrical Power Substations