IEEE C57.163-2023
$30.42
IEEE Guide for Establishing Power Transformer Capability while under Geomagnetic Disturbances (Approved Draft)
| Published By | Publication Date | Number of Pages |
| IEEE | 2023 |
Revision Standard – Active. The effects of geomagnetic disturbances (GMD) on power transformers when there is the presence of geomagnetically induced current (GIC) in a power transformer are described. Specification parameters and performance characteristics for power transformers to help minimize the risk and impact when GIC is present in the power system are established. The intent is to provide a background that can help evaluate the effect of GIC on a power transformer design and its GIC capability. This includes the evaluation techniques to determine the performance characteristics while under the influence of GIC.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | IEEE Std C57.163™-2023 Front cover |
| 2 | Title page |
| 4 | Important Notices and Disclaimers Concerning IEEE Standards Documents |
| 8 | Participants |
| 10 | Introduction |
| 12 | Contents |
| 13 | List of Figures |
| 15 | List of Tables |
| 16 | 1. Overview 1.1 Scope 1.2 Word usage |
| 17 | 2. Normative references 3. Definitions, acronyms, and abbreviations |
| 18 | 4. Background 4.1 Geomagnetic disturbances |
| 19 | 4.2 Typical signature/profile of GIC |
| 21 | 4.3 Effective GIC in autotransformers 5. Effects of GIC on power transformers 5.1 Basics of the effects of dc current on power transformers |
| 25 | 5.2 Magnetic effects of GIC |
| 26 | 5.3 Thermal effects of GIC 5.4 Other effects of GIC in transformers 6. Magnetic response of transformers to GIC |
| 27 | 6.1 Magnetizing current pulse associated with core saturation |
| 28 | 6.2 Inductive reactive power (vars) drawn by the transformer |
| 30 | 6.3 Current harmonics associated with GIC |
| 31 | 7. Thermal response of transformers to GIC 7.1 Thermal effects of dc current |
| 35 | 7.2 The effect of the short duration of GIC pulses on transformer temperatures |
| 36 | 7.3 Procedure for calculation of thermal response of windings and structural parts to a GIC profile |
| 37 | 7.4 Examples of thermal performance of transformers due to a typical GIC profile |
| 40 | 7.5 GIC thermal capability |
| 42 | 8. Evaluation of degree of susceptibility of transformers to thermal effects of GIC |
| 43 | 8.1 Design-based susceptibility |
| 44 | 8.2 GIC level-based susceptibility 8.3 Total GIC susceptibility |
| 45 | 9. Specifications 9.1 GIC signature 9.2 Recommended hot-spot temperature limits 9.3 Recommended design review requirements |
| 46 | 9.4 Testing |
| 47 | 10. Transformer GIC monitoring 10.1 Monitoring |
| 49 | 10.2 Predicting part-cycle core saturation |
| 50 | 10.3 Monitoring of GIC thermal impact on power transformers |
| 51 | Annex A (informative) Simplified GIC signature |
| 52 | Annex B (informative) Bibliography |
| 56 | Back cover |
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