I.S. EN 50464-2-1:2007
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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 2 500 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
Hardcopy , PDF
15-12-2020
English
01-01-2007
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
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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