IEEE C57.12.34 2010
$40.08
IEEE Standard Requirements for Pad-Mounted, Compartmental-Type, Self-Cooled, Three-Phase Distribution Transformers, 5 MVA and Smaller; High Voltage, 34.5 kV Nominal System Voltage and Below; Low Voltage, 15 kV Nominal System Voltage & Below
| Published By | Publication Date | Number of Pages |
| IEEE | 2010 | 46 |
Revision Standard – Active. Certain electrical, dimensional, and mechanical characteristics are set forth as well as certain safety features of three-phase, 60 Hz, mineral-oil-immersed, self-cooled, pad-mounted, compartmental-type distribution transformers. These transformers are rated 5 MVA and smaller, with the high-voltage limit of 34.5 kV system nominal voltage and below, and with low-voltage limit of 15 kV system nominal voltage and below. This standard covers the connector, bushing, and terminal arrangements for radial- or loop-feed systems. This standard does not cover the electrical and mechanical requirements of any accessory devices that may be supplied with the transformer.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | IEEE Std C57.12.34-2009 Front Cover |
| 3 | Title Page |
| 6 | Introduction Notice to users Laws and regulations Copyrights Updating of IEEE documents |
| 7 | Errata Interpretations Patents |
| 8 | Participants |
| 10 | Contents |
| 11 | Figures |
| 12 | Tables |
| 13 | Important Notice 1. Overview 1.1 Scope |
| 14 | 2. Normative references |
| 15 | 4. Ratings 4.1 Kilovolt-ampere ratings 4.2 Voltage ratings 4.3 Tap ratings 5. Impedance voltage 5.1 Nominal percent impedance voltage |
| 16 | 5.2 Tolerance on impedance voltage 5.3 Tolerance on impedance voltage on a tap 6. Basic lightning impulse insulation levels |
| 18 | 7. Tests 7.1 General 7.2 Dielectric tests 7.3 Dielectric test levels 8. Construction 8.1 General 8.2 Compartment configuration |
| 19 | 8.3 Access 8.4 Enclosure security and coating system 8.5 Pad attachment 8.6 Lifting |
| 20 | 8.7 Connectors, bushings, and terminals |
| 22 | 8.8 Instruction nameplate |
| 23 | 8.9 Oil preservation |
| 24 | 8.10 Tanks 8.11 Grounding provisions |
| 25 | 8.12 Components for loop primary cable systems 9. Storage 10. Installation 11. Other requirements that may be specified for some applications |
| 46 | Annex A (informative) Bibliography |
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