IEEE C37.121-2020
Current
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
Important note : All end users must be registered with an Account prior to user licenses being assigned.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.
| Committee |
Switchgear
|
| DocumentType |
Standard
|
| ISBN |
978-1-5044-7754-3
|
| Pages |
66
|
| PublisherName |
Institute of Electrical & Electronics Engineers
|
| Status |
Current
|
| Supersedes |
| 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 | 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 |
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