Revision Standard – Inactive – Withdrawn.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.<\/p>\n
| PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
|---|---|---|---|---|---|---|---|
| 9<\/td>\n | 1 Scope 2 Terminology 3 References <\/td>\n<\/tr>\n | ||||||
| 10<\/td>\n | Service Conditions Usual Service Conditions <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | 4.2 Unusual Service Conditions Dielectric-Strength Correction Factors for Altitudes Greater than 3300 ft (1000 m) <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | Rating Data Cooling Classes of Transformers 5.2 Frequency 5.3 Phases 5.4 Rated kVA Voltage Ratings and Taps Preferred Continuous kVA Ratings <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | 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 <\/td>\n<\/tr>\n | ||||||
| 14<\/td>\n | Levels (BILs) for Systems 34.5 kV and Below Systems with BILs 200 kV and Below <\/td>\n<\/tr>\n | ||||||
| 15<\/td>\n | 5.1 1 Temperature Rise and Insulation-System Capability <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | Windings Examples of Materials Used in Insulation Systems <\/td>\n<\/tr>\n | ||||||
| 17<\/td>\n | 5.12 Nameplates Nameplate Information <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | 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 <\/td>\n<\/tr>\n | ||||||
| 19<\/td>\n | 7.2 Transformer Categories Short-Circuit-Current Duration and Magnitude <\/td>\n<\/tr>\n | ||||||
| 20<\/td>\n | System Zero-Sequence Data Application Conditions Requiring Special Consideration 7.6 Components Values of K <\/td>\n<\/tr>\n | ||||||
| 21<\/td>\n | Base kVA and Base Currents Effects of Temperature on Transformer Windings During Short-circuit Conditions Calculation of Winding Temperature During a Short Circuit <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | 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 <\/td>\n<\/tr>\n | ||||||
| 23<\/td>\n | 9.3 Losses 10 Connection of Transformers for Shipment Dry-Type Transformer Tests Tolerances for Single-phase and Three-phase Transformer Losses <\/td>\n<\/tr>\n | ||||||
| 24<\/td>\n | Designation of Voltage Ratings of Single- and Three-phase Windings Fig <\/td>\n<\/tr>\n | ||||||
| 26<\/td>\n | 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) <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" IEEE Standard General Requirements for Dry-Type Distribution and Power Transformers Including Those with Solid Cast and\/or Resin-Encapsulated Windings<\/b><\/p>\n |