DIN EN 50464-1 : 2012
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
THREE-PHASE OIL-IMMERSED DISTRIBUTION TRANSFORMERS 50 HZ, FROM 50 KVA TO 2500 KVA WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 1: GENERAL REQUIREMENTS
01-03-2016
12-01-2013
1 Scope
2 Normative references
3 Electrical characteristics
3.1 Rated power
3.2 Highest voltages for equipment for windings
3.3 Rated voltages of windings
3.4 Tapping
3.5 Connections
3.6 Dimensioning of neutral connection of the low-voltage winding
3.7 Short-circuit impedance
3.8 Losses and sound power level
3.9 Tolerances and penalties
3.10 Tests
3.11 Insulation levels and dielectric tests
4 Design requirements
4.1 Type of oil preservation system and degree of sealing
4.2 Terminal markings
4.3 Terminations
4.4 Distance between bushings
4.5 Rollers
5 Accessories
6 Efficiency and voltage drop (at reference temperature)
6.1 Efficiency
6.2 Voltage drop (u%)
Annex A (informative) Capitalisation evaluation
Bibliography
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