• IEEE C57.12.23-2009

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    IEEE Standard for Submersible Single-Phase Transformers: 167 kVA and Smaller; High Voltage 25 000 V and Below; Low Voltage 600 V and Below

    Available format(s):  PDF

    Superseded date:  26-08-2019

    Language(s):  English

    Published date:  30-04-2009

    Publisher:  Institute of Electrical & Electronics Engineers

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

    1 Overview
      1.1 Scope
      1.2 Purpose
    2 Normative references
    3 Definitions
    4 Service conditions
      4.1 General
      4.2 Cooling air temperature limit
      4.3 Submerged operation
    5 Rating data
      5.1 Cooling class
      5.2 Kilovolt-ampere ratings
      5.3 Voltage and tap ratings
      5.4 Insulation levels
      5.5 Impedance and losses
    6 Tests
      6.1 General
      6.2 Low-frequency dielectric tests
    7 Construction
      7.1 General
      7.2 Connectors and terminals
      7.3 Accessories
      7.4 Instruction nameplate
      7.5 Transformer tank integrity
      7.6 Tanks
      7.7 Components for primary cable system
    8 Storage and installation
      8.1 Storage
      8.2 Installation
    Annex A (informative) Bibliography

    Abstract - (Show below) - (Hide below)

    Describes certain electrical, dimensional, and mechanical characteristics and takes into consideration certain safety features of single-phase, 60 Hz, liquid-immersed, self-cooled, submersible distribution transformers with separable insulated high-voltage connectors.

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

    Committee Transformers
    Development Note Supersedes IEEE DRAFT C57.12.23. (08/2004)
    Document Type Standard
    Publisher Institute of Electrical & Electronics Engineers
    Status Superseded
    Superseded By
    Supersedes

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

    IEEE 141 : 1993 IEEE Recommended Practice for Electric Power Distribution for Industrial Plants
    IEEE C57.12.29-2014 IEEE Standard for Pad-Mounted Equipment--Enclosure Integrity for Coastal Environments
    IEEE C57.12.30-2010 IEEE Standard for Pole-Mounted Equipment--Enclosure Integrity for Coastal Environments
    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 3001.5-2013 IEEE Recommended Practice for the Application of Power Distribution Apparatus in Industrial and Commercial Power Systems
    IEEE C57.12.32-2002 IEEE Standard for Submersible Equipment - Enclosure Integrity
    IEEE DRAFT C57.12.90 : D5.1 98 DRAFT STANDARD TEST CODE FOR LIQUID-IMMERSED DISTRIBUTION, POWER, AND REGULATING TRANSFORMERS
    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 C57.12.31-2010 IEEE Standard for Pole-Mounted Equipment--Enclosure Integrity
    IEEE C57.12.28-2014 IEEE Standard for Pad-Mounted Equipment--Enclosure Integrity
    IEEE 1388-2000 IEEE Standard for the Electronic Reporting of Transformer Test Data
    IEEE C57.12.90-2015 REDLINE IEEE Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers

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

    IEEE C57.12.32-2002 IEEE Standard for Submersible Equipment - Enclosure Integrity
    IEEE C57.12.20-2005 Standard for Overhead Type Distribution Transformers, 500 kVA and Smaller: High Voltage, 34500 Volts and Below; Low Voltage, 7970/13800Y Volts and Below
    IEEE 386-2016 REDLINE IEEE Standard for Separable Insulated Connector Systems for Power Distribution Systems Rated 2.5 kV through 35 kV
    IEEE C57.12.00-2000 IEEE Standard General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers
    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 C57.12.90-2010 IEEE Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers
    ANSI C84.1 : 2016 ELECTRIC POWER SYSTEMS AND EQUIPMENT - VOLTAGE RATINGS (60 HERTZ)
    IEEE C57.91-1995 IEEE Guide for Loading Mineral-Oil-Immersed Transformers
    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 C57.12.80-2002 IEEE Standard Terminology for Power and Distribution Transformers
    IEEE C57.12.70-2000 IEEE Standard Terminal Markings and Connections for Distribution and Power Transformers
    IEEE C57.12.70-2011 IEEE Standard for Standard Terminal Markings and Connections for Distribution and Power Transformers
    IEEE 386-1995 IEEE Standard for Separable Insulated Connector Systems for Power Distribution Systems above 600 V
    IEEE C57.12.90-1999 IEEE Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers
    WC 7-1988 CROSS-LINKED-THERMOSETTING-POLYETHYLENE-INSULATED WIRE AND CABLE FOR THE TRANSMISSION AND DISTRIBUTION OF ELECTRICAL ENERGY
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