IEC 61865:2001
Current
The latest, up-to-date edition.
Overhead lines - Calculation of the electrical component of distance between live parts and obstacles - Method of calculation
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
English - French, Spanish, Castilian
07-04-2001
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms, definitions and symbols
3.1 Definitions
3.2 Symbols
4 Approach used to derive the electrical distance
5 Overvoltages
5.1 Classification of overvoltages
5.2 Temporary overvoltages
5.3 Slow-front overvoltages
5.4 Fast-front overvoltages
6 Required withstand voltage of the air gap
6.1 General
6.2 Calculation of the required withstand voltage
7 Calculation of the distance associated with the
overvoltages
Annex A (informative) Relationship between U(50) and the
gap length, d
Annex B (informative) Example of the calculation of the
electrical component
Bibliography
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