SN EN 50464-2-1 : 2007
Current
The latest, up-to-date edition.
THREE-PHASE OIL-IMMERSED DISTRIBUTION TRANSFORMERS 50 HZ, FROM 50 KVA TO 2500 KVA WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 2-1: DISTRIBUTION TRANSFORMERS WITH CABLE BOXES ON THE HIGH VOLTAGE AND/OR LOW VOLTAGE SIDE - GENERAL REQUIREMENTS
12-01-2013
Introduction
1 Scope
2 Definitions
3 Electrical characteristics
4 Design characteristics
4.1 Type of oil preservation and degree of sealing
4.2 Terminal markings
4.3 Provision for cable box Type 1 connections
4.4 Provision for cable box Type 2
5 Transformer requirements
5.1 Transformers with cable boxes, mounted on both sides
5.2 Transformers with cable boxes, cover mounted
5.3 Unit substation transformer, with cable boxes mounted
on the same side
5.4 Unit substation transformer with flange boxes, cover
mounted
6 Distance between bushings
7 Tests
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