IEEE C57.12.34-2015
$33.58
IEEE Standard Requirements for Pad-Mounted, Compartmental-Type, Self-Cooled, Three-Phase Distribution Transformers, 10 MVA and Smaller; High-Voltage, 34.5 kV Nominal System Voltage and Below; Low-Voltage, 15 kV Nominal System Voltage and Below
| Published By | Publication Date | Number of Pages |
| IEEE | 2015 | 46 |
Revision Standard – Active. Certain electrical, dimensional, and mechanical characteristics are set forth as well as certain safety features of three-phase, 60 Hz, liquid-immersed, self-cooled, pad-mounted, compartmental-type distribution transformers. These transformers are rated 10 MVA and smaller, with the high-voltage limit of 34.5 kV nominal system voltage and below, and with low-voltage limit of 15 kV nominal system 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 C57.12.34-2015 Front Cover |
| 3 | Title page |
| 5 | Important Notices and Disclaimers Concerning IEEE Standards Documents |
| 8 | Participants |
| 10 | Introduction |
| 11 | Contents |
| 12 | IMPORTANT NOTICE 1. Overview 1.1 Scope |
| 13 | 1.2 Purpose 2. Normative references 3. Definitions |
| 14 | 4. Ratings 4.1 Kilovolt-ampere ratings 4.2 Voltage ratings 4.3 Tap ratings 5. Impedance voltage 5.1 Nominal percent impedance voltage |
| 15 | 5.2 Tolerance on impedance voltage 5.3 Tolerance on impedance voltage on a tap 6. Basic lightning impulse insulation levels |
| 17 | 7. Tests 7.1 General 7.2 Dielectric tests 7.3 Dielectric test levels 8. Construction 8.1 General 8.2 Compartment configuration 8.3 Access |
| 18 | 8.4 Enclosure security and coating system 8.5 Pad attachment 8.6 Lifting 8.7 Connectors, bushings, and terminals |
| 21 | 8.8 Instruction nameplate |
| 22 | 8.9 Oil preservation 8.10 Tanks |
| 23 | 8.11 Grounding provisions 8.12 Components for loop primary cable systems 9. Storage |
| 24 | 10. Installation 11. Other requirements that may be specified for some applications |
| 46 | Annex A (informative) Bibliography |
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