IEEE C57.12.51-2008
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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REQUIREMENTS FOR SEALED DRY-TYPE POWER TRANSFORMERS, 501 KVA AND LARGER, THREE-PHASE, WITH HIGH-VOLTAGE 601 TO 34500 VOLTS, LOW-VOLTAGE 208Y/120 TO 4160 VOLTS
Hardcopy , PDF
23-07-2013
English
01-01-2008
1 Scope
1.1
1.2
1.3
1.4
1.5
2 Related Standards and Guides
2.1 General
2.2 Terminology
2.3 Revision of American National Standards Referred
to in This Document
Part I: Basic Electrical and Mechanical Requirements
3 Usual Service Conditions
4 Ratings and Characteristics
4.1 Kilovolt-Ampere Ratings
4.2 Kilovolt-Ampere and Voltage Ratings
4.3 Taps
4.4 Insulation Levels
4.5 Angular Displacement and Terminal Markings
4.6 Percent Impedance Voltage
5 Construction
5.1 Insulation System
5.2 Accessory Location
5.3 Nameplate
5.4 Transformer Connections
5.5 Tap Changer
5.6 Temperature Indication
5.7 Pressure-Vacuum Gage
5.8 Shutoff Valve
5.9 Filling Valve
5.10 Tank
6 Routine Tests
7 Tolerances
Part II: Other Requirements or Alternatives That May Be
Specified for Some Applications
8 Other Ratings and Characteristics
8.1 Other Ambient Temperature Conditions
8.2 Other Winding Temperature Rises
8.3 Other Insulation Systems
8.4 Other High-Voltage Ratings and Connections
8.5 Y-Y Connected Transformers
8.6 Increased Neutral Insulation
8.7 Other Basic Lightning Impulse Insulation Levels
(BILs)
9 Other Construction
9.1 High-Voltage Connection Arrangements
9.2 Low-Voltage Connection Arrangements
9.3 Surge Arresters
9.4 Unit Substation Application
9.5 Pressure Alarm Switch
9.6 High-Temperature Alarm Switch
9.7 Current Transformers (or Provision for Their Addition
in the Future)
9.8 Terminal Blocks
9.9 Contacts
10 Other Tests
Defines characteristics relating to performance, limited mechanical and electrical interchangeability, and safety of the equipment described, and to assist in the proper selection of such equipment.
| DocumentType |
Standard
|
| Pages |
29
|
| PublisherName |
Institute of Electrical & Electronics Engineers
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| IEEE 141 : 1993 | IEEE Recommended Practice for Electric Power Distribution for Industrial Plants |
| IEEE C57.94-1982 | IEEE Recommended Practice for Installation, Application, Operation, and Maintenance of Dry-Type General Purpose Distribution and Power Transformers |
| IEEE DRAFT C57.12.91 : D3 2000 | DRAFT STANDARD TEST CODE FOR DRY-TYPE DISTRIBUTION AND POWER TRANSFORMERS |
| ANSI C57.12.52 : 2012 | 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 DRAFT C57.18.10 : D12 APR 97 | DRAFT PRACTICES AND REQUIREMENTS FOR SEMICONDUCTOR POWER RECTIFIER TRANSFORMER |
| IEEE DRAFT C57.12.01 : D6 2005 | GENERAL REQUIREMENTS FOR DRY-TYPE DISTRIBUTION AND POWER TRANSFORMERS INCLUDING THOSE WITH SOLID-CAST AND/OR RESIN ENCAPSULATED WINDINGS |
| ANSI C57.12.57 : 1987 | AMERICAN NATIONAL STANDARD FOR TRANSFORMERS - VENTILATED DRY-TYPE NETWORK TRANSFORMERS 2500 KVA AND BELOW, THREE-PHASE, WITH HIGH-VOLTAGE 34500 VOLTS AND BELOW, LOW-VOLTAGE 216Y/125 AND 480Y/227 VOLTS - REQUIREMENTS |
| IEEE C57.12.50 : 1981 | REQUIREMENTS FOR VENTILATED DRY-TYPE DISTRIBUTION TRANSFORMERS, 1 TO 500 KVA, SINGLE-PHASE, AND 15 TO 500 KVA, THREE-PHASE, WITH HIGH-VOLTAGE 601 TO 34500 VOLTS, LOW-VOLTAGE 120 TO 600 VOLTS |
| 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 C57.12.91-2011 | IEEE Standard Test Code for Dry-Type Distribution and Power Transformers |
| IEEE C57.12.56-1986 | IEEE Standard Test Procedure for Thermal Evaluation of Insulation Systems for Ventilated Dry-Type Power and Distribution Transformers |
| IEEE C37.121-2012 REDLINE | IEEE Guide for Switchgear - Unit Substation - Requirements |
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