ANSI C57.12.52 : 2012
Current
The latest, up-to-date edition.
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
Hardcopy , PDF
English
01-03-2013
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 Gauge
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 Char
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
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
This standard is for sealed dry-type transformers, 501 kVA and larger, with high-voltage 601 to 34500 volts inclusive and low-voltage 208Y/120 to 4160 volts inclusive.
| DocumentType |
Standard
|
| ISBN |
978-0-7381-8188-2
|
| Pages |
26
|
| PublisherName |
Institute of Electrical & Electronics Engineers
|
| Status |
Current
|
| SupersededBy |
| 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 |
| IEEE 3001.5-2013 | IEEE Recommended Practice for the Application of Power Distribution Apparatus in Industrial and Commercial Power Systems |
| 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 |
| 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 C37.121-2012 | GUIDE FOR SWITCHGEAR - UNIT SUBSTATION - REQUIREMENTS |
| IEEE C57.12.91-2011 | IEEE Standard Test Code for Dry-Type Distribution and Power Transformers |
| IEEE C57.12.70-2011 | IEEE Standard for Standard Terminal Markings and Connections for Distribution and Power Transformers |
| IEEE C37.121-2012 REDLINE | IEEE Guide for Switchgear - Unit Substation - Requirements |
| IEEE C57.12.51-2008 | 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 |
| IEEE C57.12.01-2015 REDLINE | IEEE Standard for General Requirements for Dry-Type Distribution and Power Transformers |
| ANSI B2.1 : LATEST | PIPE THREADS (EXCEPT DRYSEAL) |
| IEEE C57.12.70-2011 | IEEE Standard for Standard Terminal Markings and Connections for Distribution and Power Transformers |
| IEEE C57.12.91-2011 | IEEE Standard Test Code for Dry-Type Distribution and Power Transformers |
| IEEE C57.94-1982 | IEEE Recommended Practice for Installation, Application, Operation, and Maintenance of Dry-Type General Purpose Distribution and Power Transformers |
| 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 C57.105-1978 | IEEE Guide for Application of Transformer Connections in Three-Phase Distribution Systems |
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