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  • IEEE C37.121-2020 REDLINE

    Current The latest, up-to-date edition.

    IEEE Guide for Switchgear--Unit Substation--Requirements

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  09-03-2021

    Publisher:  Institute of Electrical & Electronics Engineers

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    Abstract - (Show below) - (Hide below)

    This guide covers three-phase unit substations for step-down operation in the range of 112.5 kVA or greater at primary voltages of 601 V through 52 kV.

    General Product Information - (Show below) - (Hide below)

    Committee Switchgear
    Document Type Standard
    Publisher Institute of Electrical & Electronics Engineers
    Status Current
    Supersedes

    Standards Referencing This Book - (Show below) - (Hide below)

    IEEE C57.12.51-2019 IEEE Guide for Mechanical Interchangeability of Ventilated Dry-Type Transformers
    IEEE C57.12.52-2012 IEEE Standard for Sealed Dry-Type Power Transformers, 501 kVA and Higher, Three-Phase, with High-Voltage 601 to 34500 Volts, Low-Voltage 208Y/120 to 4160 Volts—General Requirements
    IEEE C37.20.1-2015 REDLINE IEEE Standard for Metal-Enclosed Low-Voltage (1000 Vac and below, 3200 Vdc and below) Power Circuit Breaker Switchgear
    IEEE C37.20.2-2015 IEEE Standard for Metal-Clad Switchgear
    IEEE C57.12.00-2015 IEEE Standard for General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers
    IEEE C37.20.9-2019 IEEE Standard for Metal-Enclosed Switchgear Rated 1 kV to 52 kV Incorporating Gas Insulating Systems
    IEEE C37.41-2016 IEEE Standard Design Tests for High-Voltage (>1000 V) Fuses and Accessories
    IEEE C37.20.3-2013 REDLINE IEEE Standard for Metal-Enclosed Interrupter Switchgear (1 kV-38 kV)
    IEEE C37.20.10-2016 IEEE Standard Definitions for AC (52 kV and below)and DC (3.2 kV and below) Switchgear Assemblies
    IEEE C37.23-2015 IEEE Standard for Metal-Enclosed Bus
    IEEE C57.12.10-2017 IEEE Standard Requirements for Liquid-Immersed Power Transformers
    IEEE C57.12.01-2020 IEEE Standard for General Requirements for Dry-Type Distribution and Power Transformers
    IEEE C57.131-2012 IEEE Standard Requirements for Tap Changers
    View more information

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