ENV 50232 : 1997

Contents
Foreword
Introduction
1. Scope
2. Normative references
3. Definitions, symbols and abbreviations
    3.1 Definitions
    3.2 Symbols and abbreviations
4. General requirements
    4.1 Isolating transformer
    4.2 Connection cables
    4.3 Electrical characteristics
5. Type and production tests
    5.1 Type tests
    5.2 Requalification tests
    5.3 Production tests
6. Tests description
    6.1 On load current ratio
    6.2 Power factor
    6.3 Efficiency
    6.4 Short circuit current
    6.5 Off load voltage
    6.6 Dielectric strength
    6.7 Current leakage
    6.8 Fall test
    6.9 Pull test
    6.10 Soaking tests
    6.11 Dimensional tests
    6.12 Ageing test
    6.13 Cycling test
    6.14 Temperature rise test
    6.15 Surge test
    6.16 Gas tightness test
7. Classification and designation
    7.1 Classification
    7.2 Marking, labelling, packaging