IEEE C57.12.56-1986
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
IEEE Standard Test Procedure for Thermal Evaluation of Insulation Systems for Ventilated Dry-Type Power and Distribution Transformers
15-10-2021
English
03-10-1986
Important note : Users cannot be edited or removed once added to your Multi user PDF.
1 Introduction
1.1 Scope
1.2 Purpose
1.3 References
1.4 Applicable Document in preparation
2 Basic Considerations
2.1 General
2.2 Intent
2.3 Aging factors
2.4 Data treatment
3 Test Procedures
3.1 General
3.2 Test Models
3.3 Screening
3.4 Test Cycles
3.5 Temperature Aging
3.6 Humidity Conditioning
3.7 Dielectric Tests
4 Reporting
Annex A (informative)
Annex B (informative)
Determines temperature classification of ventilated dry-type power and distribution transformer insulation systems by test rather than chemical composition. For transformers listed in ANSI C57.12.50-1981, ANSI C57.12.51-1981 with highest voltages of over 600 V.
| Committee |
Transformers
|
| DocumentType |
Standard
|
| Pages |
20
|
| PublisherName |
Institute of Electrical & Electronics Engineers
|
| Status |
Superseded
|
| IEEE DRAFT C57.12.91 : D3 2000 | DRAFT STANDARD TEST CODE FOR DRY-TYPE DISTRIBUTION AND POWER TRANSFORMERS |
| IEEE DRAFT 1147 : D8 2005 | GUIDE FOR THE REHABILITATION OF HYDROELECTRIC POWER PLANTS |
| IEEE C57.96-2013 | IEEE Guide for Loading Dry-Type Distribution and Power Transformers |
| IEEE 638-2013 | IEEE Standard for Qualification of Class 1E Transformers for Nuclear Power Generating Stations |
| IEEE C57.12.60-2009 REDLINE | IEEE Standard Test Procedure for Thermal Evaluation of Insulation Systems for Dry-Type Power and Distribution Transformers, Including Open-Wound, Solid-Cast, and Resin-Encapsulated Transformers |
| 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 1147-2005 | IEEE Guide for the Rehabilitation of Hydroelectric Power Plants |
| IEEE 1653.1-2016 | IEEE Standard for Traction Power Rectifier Transformers for Substation Applications up to 1500 V DC Nominal Output |
| IEEE C57.96-1999 | IEEE Guide for Loading Dry-Type Distribution and Power Transformers |
| IEEE C57.12.01-2005 | IEEE Standard General Requirements for Dry-Type Distribution and Power Transformers Including Those with Solid Cast and/or Resin Encapsulated Windings |
| IEEE 638-1992 | IEEE Standard for Qualification of Class 1E Transformers for Nuclear Power Generating Stations |
| 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 101A-1974 | IEEE Simplified Method for Calculation of the Regression Line (Appendix to IEEE Guide for the Statistical Analysis of Thermal Life Test Data, IEEE Std 101-1972) |
| IEEE 4-2013 | IEEE Standard for High-Voltage Testing Techniques |
| IEEE C57.98-2011 | IEEE Guide for Transformer Impulse Tests |
| IEEE 101 : 1987 | GUIDE FOR THE STATISTICAL ANALYSIS OF THERMAL LIFE TEST DATA |
| ASTM E 104 : 2002 | Standard Practice for Maintaining Constant Relative Humidity by Means of Aqueous Solutions |
| 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 |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.