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SN EN 50423-1 : 2005

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

OVERHEAD ELECTRICAL LINES EXCEEDING AC 1 KV UP TO AND INCLUDING AC 45 KV - PART 1: GENERAL REQUIREMENTS - COMMON SPECIFICATIONS

Superseded date

01-05-2013

Superseded by

SN EN 50341-1 : 2012

Published date

12-01-2013

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Introduction
1 Scope
2 Definitions, list of symbols and references
   2.1 Definitions
   2.2 List of symbols
   2.3 References
3 Basis of design
   3.1 General
4 Actions on lines
   4.1 Introduction
   4.2 Actions, General approach
   4.3 Actions, Empirical approach
5 Electrical requirements
   5.0 General
   5.1 Voltage classification
   5.3 Insulation co-ordination
   5.4 Internal and external clearances
6 Earthing systems
   6.1 Purpose
   6.6 Site inspection and documentation of earthing systems
7 Supports
   7.1 Initial design considerations
   7.5 Timber poles
   7.6 Concrete poles
   7.7 Guyed structures
8 Foundations
   8.5 Geotechnical design
   8.6 Loading tests
9 Conductors and overhead earthwires (ground wires) with or
   without telecommunication circuits
   9.1 Introduction
   9.6 General requirements
10 Insulators
   10.1 Introduction
   10.2 Standard electrical requirements
   10.4 Pollution performance requirements
   10.5 Power arc requirements
   10.7 Mechanical requirements
   10.10 Characteristics and dimensions of insulators
   10.11 Type test requirements
   10.12 Sample test requirements
   10.13 Routine test requirements
   10.14 Summary of test requirements
   10.16 Selection, delivery and installation of insulators
11 Line equipment - Overhead line fittings
   11.2 Electrical requirements
   11.9 Characteristics and dimensions of fittings
Annex E (normative) Electrical requirements
Annex F (informative) Electrical requirements
Annex P (informative) Tests on overhead line insulators and
                      insulator sets in porcelain, and glass
                      insulating materials
Annex Q (informative) Insulators

Applies to bare and covered conductor overhead lines and overhead insulated cable systems with nominal voltage exceeding AC 1 kV up to and including AC 45 kV and with rated frequencies below 100 Hz.

DocumentType
Standard
PublisherName
Swiss Standards
Status
Superseded
SupersededBy

Standards Relationship
NBN EN 50423-1 : 2006 Identical
NF EN 50423-1 : 2005 Identical
I.S. EN 50423-1:2005 Identical
BS EN 50423-1:2005 Identical
UNE-EN 50423-1:2006 Identical
EN 50423-1:2005 Identical
NEN EN 50423-1 : 2005 Identical
DIN EN 50423-1 : 2005 Identical

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