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Can I read IEEE Std C57.12.20™-2017 (Revision of IEEE Std C57.12.20-2011) IEEE Standard for Overhead-Type Distribution Transformers 500 kVA and Smaller; High Voltage, 34 500 V and Below; Low Voltage, 7970/13 800Y V and Below on EtoBox?
IEEE Std C57.12.20™-2017 (Revision of IEEE Std C57.12.20-2011) IEEE Standard for Overhead-Type Distribution Transformers 500 kVA and Smaller; High Voltage, 34 500 V and Below; Low Voltage, 7970/13 800Y V and Below by Transformers Committee of the IEEE Power and Energy Society is a scholarly article available to read on EtoBox.
What is IEEE Std C57.12.20™-2017 (Revision of IEEE Std C57.12.20-2011) IEEE Standard for Overhead-Type Distribution Transformers 500 kVA and Smaller; High Voltage, 34 500 V and Below; Low Voltage, 7970/13 800Y V and Below about?
Certain electrical, dimensional, and mechanical characteristics and safety features of single- and three-phase, 60 Hz, liquid-immersed, self-cooled, overhead-type distribution transformers 500 kVA and smaller, high voltages 34 500 V and below, and low voltages 7970/13 800Y V and below are covered in this standard. IEEE Std C57.12.20TM-2017 Front cover 1 Title page 2 Important Notices and Disclaimers Concerning IEEE Standards Documents 4 Participants 7 Introduction 9 Contents 10 1. Overview 11 1.1 Scope 11 1.2 Purpose 11 2. Normative references 11 3. Definitions 12 4. Ratings 12 4.1 Kilovolt-ampere ratings 12 4.2 Voltage ratings and tap ratings 12 4.3 Minimum percent impedance voltage 12 5. Basic lightning impulse insulation levels and dielectric test levels 13 5.1 Basic lightning impulse insulation levels 13 5.2 Dielectric test levels 13 6. Tests 13 6.1 General 13 6.2 Dielectric tests 13 7. Construction 13 7.1 Bushings and terminals 13 7.2 Accessory equipment 14 7.3 Polarity, terminal markings, and angular displacement 17 7.4 Liquid preservation 18 7.5 Tanks 18 8. Storage and installation 19 8.1 Storage 19 8.2 Installation 20 9. Design tests for fault current capability of overhead
- Author
- Transformers Committee of the IEEE Power and Energy Society
- Publisher
- IEEE
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