IEEE DRAFT C57.12.23 : 1992
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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TRANSFORMERS - UNDERGROUND-TYPE, SELF-COOLED, SINGLE-PHASE DISTRIBUTION TRANSFORMERS WITH SEPARABLE, INSULATED, HIGH-VOLTAGE CONNECTORS; HIGH VOLTAGE (24 940 GRDY/14 400 V AND BELOW) AND LOW VOLTAGE (240/120 V, 167 KVA AND SMALLER)
25-11-2009
12-01-2013
1. INTRODUCTION
1.1 Scope
1.2 Purpose
1.3 General
2. REFERENCES
3. RATINGS
3.1 Kilovoltampere Ratings
3.2 Voltage Ratings and Tap Ratings
4. BASIC LIGHTNING IMPULSE INSULATION LEVELS AND
DIELECTRIC TEST LEVELS
5. TESTS
5.1 General
5.2 Dielectric Tests
6. CONSTRUCTION
6.1 General
6.2 Connectors and Terminals
6.3 Instruction Nameplate
6.4 Oil Preservation
6.5 Tanks
6.6 Components for Looped Primary Cable System
7. STORAGE AND INSTALLATION
7.1 Storage
7.2 Installation
FIGURES
Fig 1 Location of High-Voltage and Low-Voltage
Connectors and Terminals
Fig 2 Spade Terminals
TABLES
Table 1 Transformer and Connector High-Voltage Ratings
and Electrical Characteristics
Intended for use as a basis for determining performance, interchangeability and safety of the equipment covered, and to assist in the proper selection of such equipment.
| DocumentType |
Draft
|
| PublisherName |
Institute of Electrical & Electronics Engineers
|
| Status |
Superseded
|
| SupersededBy |
| IEEE C57.12.20-2011 | TRANSFORMERS - 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 | 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 C57.12.90-2010 | IEEE Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers |
| ANSI C57.12.28 : 2014 | PAD-MOUNTED EQUIPMENT - ENCLOSURE INTEGRITY |
| IEEE C57.12.70-2011 | IEEE Standard for Standard Terminal Markings and Connections for Distribution and Power Transformers |
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