FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Types of tap-changer
6 Selection of tap-changers
7 Location of liquid-immersed tap-changers
8 Fittings
9 Field service (operation, maintenance and monitoring)
10 Information to be provided by the transformer manufacturer
11 Protection and safety