IEEE C57.12.60-2009
$77.46
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
| Published By | Publication Date | Number of Pages |
| IEEE | 2009 |
Revision Standard – Superseded. A uniform method is established for determining the temperature classification for the insulation systems for open-wound, solid-cast and resin-encapsulated power and distribution transformers by testing rather than by chemical composition. These insulation systems are intended for use in transformers covered by IEEE Std C57.12.01(TM) and IEEE Std C57.12.91(TM) as they apply to dry-type transformers whose highest voltages exceed nominal 600 V.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | IEEE Std C57.12.60ā¢-2009 (Revision of IEEE Std C57.12.60-1998), Front cover |
| 3 | Title page |
| 6 | Introduction Notice to users Laws and regulations |
| 7 | Copyrights Updating of IEEE documents Errata Interpretations Patents |
| 8 | Participants |
| 10 | Contents |
| 11 | IMPORTANT NOTICE 1. Overview 1.1 Scope |
| 12 | 1.2 Purpose 2. Normative references |
| 13 | 3. Basic considerations 3.1 General 3.2 Intent of test methods 3.3 Aging factors 3.4 Data treatment |
| 14 | 4. Test procedures 4.1 General 4.1.1 Method 1 4.1.2 Method 2 |
| 15 | 4.2 Test samples 4.2.1 Sample design considerations |
| 16 | 4.2.2 Model examples |
| 19 | 4.3 Screening 4.4 Test cycles |
| 20 | 4.5 Temperature aging 4.5.1 Aging by circulating electric current 4.5.2 Aging by hot air ovens |
| 21 | 4.5.3 Aging temperatures and cycle times |
| 22 | 4.6 Cold shock (solid-cast and resin-encapsulated designs only) 4.7 Humidity conditioning 4.8 Dielectric tests 4.8.1 General |
| 23 | 4.8.2 Method A 4.8.3 Method B |
| 25 | 4.8.4 Test sample failures 5. Reporting |
| 26 | Annex A (informative) Bibliography |
| 27 | Annex B (informative) Historical simulated impulse test using 60/70 Hz B.1 General |
| 29 | Annex C (informative) Historic figures from IEEE Std C57.12.56-1986 |
| 32 | Annex D (informative) Experience based suggested techniques D.1 Method for applying thermocouples D.2 Enclosures |
| 33 | D.3 Temperature control D.4 Humidity control |
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