IEEE C57.12.00-2006
$80.71
IEEE Standard General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers
| Published By | Publication Date | Number of Pages |
| IEEE | 2006 | 71 |
Revision Standard – Superseded. Electrical, mechanical, and safety requirements are set forth for liquid-immersed distribution and power transformers, and autotransformers and regulating transformers; single and polyphase, with voltages of 601 V or higher in the highest voltage winding. This standard is a basis for the establishment of performance, limited electrical and mechanical interchangeability, and safety requirements of equipment described; and for assistance in the proper selection of such equipment. The requirements in this standard apply to all liquid-immersed distribution, power, and regulating transformers except the following: instrument transformers, step-voltage and induction voltage regulators, arc furnace transformers, rectifier transformers, specialty transformers, grounding transformers, mobile transformers, and mine transformers.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | IEEE Standard for Standard General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers |
| 3 | Title page |
| 6 | Introduction |
| 8 | Notice to users |
| 9 | Participants |
| 12 | CONTENTS |
| 15 | 1. Overview 1.1 Scope 1.2 Word usage |
| 16 | 2. Normative references |
| 17 | 3. Definitions 4. Service conditions 4.1 Usual service conditions |
| 19 | 4.2 Loading at other-than-rated conditions 4.3 Unusual service conditions |
| 21 | 5. Rating data 5.1 Cooling classes of transformers |
| 23 | 5.2 Frequency 5.3 Phases |
| 24 | 5.4 Rated kilovoltamperes |
| 25 | 5.5 Voltage ratings and taps |
| 26 | 5.6 Connections 5.7 Polarity, angular displacement, and terminal marking |
| 27 | 5.8 Impedance 5.9 Total losses |
| 28 | 5.10 Insulation levels |
| 36 | 5.11 Temperature rise and loading conditions |
| 38 | 5.12 Nameplates |
| 44 | 6. Construction 6.1 Bushings |
| 45 | 6.2 Transformer accessories 6.3 Bushing current transformers |
| 46 | 6.4 Thermometer wells 6.5 Tank pressure requirments |
| 47 | 6.6 Liquid insulation system 6.7 Grounding |
| 48 | 6.8 Minimum external clearances between transformer live parts of different phases of the same voltage |
| 50 | 7. Short-circuit characteristics 7.1 Requirements |
| 56 | 7.2 Components |
| 57 | 7.3 Base kilovoltamperes |
| 58 | 7.4 Calculation of winding temperature during a short circuit |
| 59 | 8. Testing and calculations 8.1 General 8.2 Routine, design, and other tests for transformers |
| 63 | 8.3 Additional routine tests on transformers with load tap changing or regulating transformers |
| 64 | 8.4 Determination of transformer regulation |
| 65 | 8.5 Determination of thermal duplicate temperature-rise data 8.6 Certified test data |
| 67 | 9. Tolerances 9.1 Tolerances for ratio 9.2 Tolerances for impedance 9.3 Tolerances for losses |
| 68 | 9.4 Accuracies required for measuring losses 10. Connection of transformers for shipment |
| 69 | Annex A (informative) Bibliography |
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