IEEE C57.12.01 1989
$57.42
IEEE Standard General Requirements for Dry-Type Distribution and Power Transformers Including Those with Solid Cast and/or Resin-Encapsulated Windings
| Published By | Publication Date | Number of Pages |
| IEEE | 1989 | 26 |
Revision Standard – Inactive – Withdrawn. Electrical, mechanical, and safety requirements of ventilated, nonventilated, and sealed dry-type distribution and power transformers or autotransformers, single and polyphase, with a voltage of 601 V or higher in the highest voltage winding, are described. Information that can be used as a basis for the establishment of performance, interchangeability, and safety requirements of equipment described, and for assistance in the proper selection of such equipment, is given.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 9 | 1 Scope 2 Terminology 3 References |
| 10 | Service Conditions Usual Service Conditions |
| 11 | 4.2 Unusual Service Conditions Dielectric-Strength Correction Factors for Altitudes Greater than 3300 ft (1000 m) |
| 12 | Rating Data Cooling Classes of Transformers 5.2 Frequency 5.3 Phases 5.4 Rated kVA Voltage Ratings and Taps Preferred Continuous kVA Ratings |
| 13 | 5.6 Connections Polarity Angular Displacement and Terminal Markings 5.8 Impedance 5.9 Losses 5.10 Insulation Levels Phase Relation of Terminal Designations for Three-phase Transformers Fig |
| 14 | Levels (BILs) for Systems 34.5 kV and Below Systems with BILs 200 kV and Below |
| 15 | 5.1 1 Temperature Rise and Insulation-System Capability |
| 16 | Windings Examples of Materials Used in Insulation Systems |
| 17 | 5.12 Nameplates Nameplate Information |
| 18 | 6 Construction 6.1 Tank-Pressure Requirements 6.2 Finish 6.3 Transformer Accessories 6.4 Terminals 6.5 Grounding Short-circuit Characteristics 7.1 Short-circuit Requirements |
| 19 | 7.2 Transformer Categories Short-Circuit-Current Duration and Magnitude |
| 20 | System Zero-Sequence Data Application Conditions Requiring Special Consideration 7.6 Components Values of K |
| 21 | Base kVA and Base Currents Effects of Temperature on Transformer Windings During Short-circuit Conditions Calculation of Winding Temperature During a Short Circuit |
| 22 | Testing and Calculations 8.1 General 8.2 Test Classifications Routine Design and Other Tests 8.4 Calculations 9 Tolerances 9.1 Ratio 9.2 Impedance |
| 23 | 9.3 Losses 10 Connection of Transformers for Shipment Dry-Type Transformer Tests Tolerances for Single-phase and Three-phase Transformer Losses |
| 24 | Designation of Voltage Ratings of Single- and Three-phase Windings Fig |
| 26 | Unusual Temperature and Altitude Conditions Unusual Temperature and Altitude Service Conditions Effect of Altitude on Temperature Rise Operation at Rated kVA Operation at Less than Rated kVA Maximum 24 h Average Temperature of Cooling Air Rated kVA Derating Factors for Altitudes Greater than 3300 ft (1000 m) |
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