Skip to content
Please enter a keyword to search

  • IEEE C57.12.38-2014

    Current The latest, up-to-date edition.

    IEEE Standard for Pad-Mounted-Type, Self-Cooled, Single-Phase Distribution Transformers 250 kVA and Smaller: High Voltage, 34 500 GrdY/19 920 V and Below; Low Voltage, 480/240 V and Below

    Available format(s):  Hardcopy, PDF

    Language(s): 

    Published date:  05-09-2014

    Publisher:  Institute of Electrical & Electronics Engineers

    Add To Cart

    Table of Contents - (Show below) - (Hide below)

    1 Overview
    2 Normative references
    3 Definitions
    4 Ratings
    5 Basic lightning impulse insulation levels
    6 Tests
    7 Construction
    8 Connectors, bushings, and terminals
    9 Instruction nameplate
    10 Oil preservation
    11 Pressure relief valve
    12 Grounding and lightning arrester attachment provisions
    13 Components for loop primary cable systems
    14 Storage
    15 Installation
    16 Other requirements that may be specified for some
       applications
    Annex A (informative) - Bibliography

    Abstract - (Show below) - (Hide below)

    This standard covers certain electrical, dimensional, and mechanical characteristics and safety requirements of single-phase, 60-Hz, liquid-filled, self-cooled, pad-mounted, compartmental-type distribution transformers.

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

    Committee Transformers
    Document Type Standard
    Product Note NEW CHILD COR 1 IS NOW ADDED
    Publisher Institute of Electrical & Electronics Engineers
    Status Current
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    IEEE C57.12.29-2014 IEEE Standard for Pad-Mounted Equipment--Enclosure Integrity for Coastal Environments
    IEEE 386-2016 REDLINE IEEE Standard for Separable Insulated Connector Systems for Power Distribution Systems Rated 2.5 kV through 35 kV
    IEEE C57.12.37-2015 REDLINE IEEE Standard for the Electronic Reporting of Distribution Transformer Test Data
    NEMA TR1 : 2013 TRANSFORMERS, STEP VOLTAGE REGULATORS AND REACTORS
    IEEE C57.12.39-2017 IEEE Standard for Requirements for Distribution Transformer Tank Pressure Coordination
    IEEE C57.12.35-2013 IEEE Standard Bar Coding for Distribution Transformers and Step-Voltage Regulators
    IEEE C57.12.70-2011 IEEE Standard for Standard Terminal Markings and Connections for Distribution and Power Transformers
    IEEE C57.12.00-2015 IEEE Standard for General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers
    IEEE C57.12.28-2014 IEEE Standard for Pad-Mounted Equipment--Enclosure Integrity
    IEEE C57.12.70-2020 REDLINE IEEE Standard for Standard Terminal Markings and Connections for Distribution and Power Transformers
    IEEE C57.12.90-2015 REDLINE IEEE Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers
    IEEE C57.12.90-2021 REDLINE IEEE Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers

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

    IEEE 386-2016 REDLINE IEEE Standard for Separable Insulated Connector Systems for Power Distribution Systems Rated 2.5 kV through 35 kV
    IEEE C57.12.00-2015 IEEE Standard for General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers
    IEEE C57.91-2011 REDLINE IEEE Guide for Loading Mineral-Oil-Immersed Transformers and Step-Voltage Regulators
    IEEE 386-2006 IEEE Standard for Separable Insulated Connector Systems for Power Distribution Systems above 600 V
    IEEE C57.12.00-2010 REDLINE IEEE Standard for General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers
    IEEE C57.12.90-2010 IEEE Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers
    IEEE C57.12.29-2014 IEEE Standard for Pad-Mounted Equipment--Enclosure Integrity for Coastal Environments
    IEEE C57.12.20-2011 REDLINE IEEE Standard for Overhead-Type Distribution Transformers 500 kVA and Smaller: High Voltage, 34 500 V and Below; Low Voltage, 7970/13 800Y V and Below
    IEEE C57.12.70-2011 IEEE Standard for Standard Terminal Markings and Connections for Distribution and Power Transformers
    IEEE C57.147-2008 IEEE Guide for Acceptance and Maintenance of Natural Ester Fluids in Transformers
    IEEE C57.12.28-2014 IEEE Standard for Pad-Mounted Equipment--Enclosure Integrity
    IEEE C57.106-2006 IEEE Guide for Acceptance and Maintenance of Insulating Oil in Equipment
    View more information

    • Access your standards online with a subscription

      Features

      • Simple online access to standards, technical information and regulations
      • Critical updates of standards and customisable alerts and notifications
      • Multi - user online standards collection: secure, flexibile and cost effective