ANSI C57.12.25 : 1990
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
TRANSFORMERS - PAD-MOUNTED, COMPARTMENTAL-TYPE, SELF-COOLED, SINGLE-PHASE DISTRIBUTION TRANSFORMERS WITH SEPARABLE INSULATED HIGH-VOLTAGE CONNECTORS; HIGH VOLTAGE, 34 500 GRDY/19 920 VOLTS AND BELOW; LOW VOLTAGE, 240/120 VOLTS; 167 KVA AND SMALLER - REQUIREMENTS
18-10-2023
01-01-1990
1 Scope
2 Normative references
2.1 General
3 Ratings
3.1 Kilovolt-ampere 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 High-voltage and low-voltage compartment
6.4 Instruction nameplate
6.5 Oil preservation
6.6 Tanks
6.7 Components for looped primary cable systems
7 Storage and Installation
7.1 Storage
7.2 Installation
8 Other requirements that may be specified for some applications
Describes certain electrical, dimensional, and mechanical characteristics, and takes into consideration certain safety features of single-phase, 60-Hz, mineral-oil-immersed, self-cooled, pad-mounted, compartmental-type distribution transformers with separable insulated high-voltage connectors.
| DevelopmentNote |
Supersedes IEEE DRAFT C57.12.25. (08/2004)
|
| DocumentType |
Standard
|
| PublisherName |
Institute of Electrical & Electronics Engineers
|
| Status |
Withdrawn
|
| IEEE 141 : 1993 | IEEE Recommended Practice for Electric Power Distribution for Industrial Plants |
| IEEE C57.12.30-2010 | IEEE Standard for Pole-Mounted Equipment--Enclosure Integrity for Coastal Environments |
| ANSI C57.12.27 : 1982 | LIQUID-FILLED DISTRIBUTION TRANSFORMERS USED IN PAD-MOUNTED INSTALLATIONS INCLUDING UNIT SUBSTATIONS CONFORMANCE STANDARD FOR, |
| IEEE 3001.5-2013 | IEEE Recommended Practice for the Application of Power Distribution Apparatus in Industrial and Commercial Power Systems |
| IEEE DRAFT C57.12.90 : D5.1 98 | DRAFT STANDARD TEST CODE FOR LIQUID-IMMERSED DISTRIBUTION, POWER, AND REGULATING TRANSFORMERS |
| IEEE C57.12.31-2010 | IEEE Standard for Pole-Mounted Equipment--Enclosure Integrity |
| IEEE 1388-2000 | IEEE Standard for the Electronic Reporting of Transformer Test Data |
| 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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