I.S. EN 50341-2-20:2015
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by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 45 KV - PART 2-20: NATIONAL NORMATIVE ASPECTS (NNA) FOR ESTONIA (BASED ON EN 50341-1:2012)
Hardcopy , PDF
28-01-2019
English
01-01-2015
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.
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0 Introduction
1 Scope
2 Normative references, definitions and symbols
3 Basis of design
4 Actions on lines
5 Electrical requirements
6 Earthing systems
7 Supports
8 Foundations
9 Conductors and earth-wires
10 Insulators
11 Hardware
12 Quality assurance, checks and taking-over
Annex B (informative) - Conversion of wind
velocities and ice loads
Annex C (informative) - Application examples of wind
loads - Special forces
Annex E (normative) - Theoretical method for calculating
minimum air clearances
Annex F (informative) - Empirical method for calculating
mid span clearances
Annex G (normative) - Calculation methods for earthing
systems
Annex H (informative) - Installation and measurements
of earthing systems
Annex M (informative) - Geotechnical and structural
design of foundations
Pertains to all new overhead electric lines with nominal system voltages exceeding AC 1 kV and with rated frequencies below 100 Hz.
| DocumentType |
Standard
|
| Pages |
46
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| EN 50341-2-20:2015 | Identical |
| EN 14229:2010 | Structural timber - Wood poles for overhead lines |
| EN 60071-1:2006/A1:2010 | INSULATION CO-ORDINATION - PART 1: DEFINITIONS, PRINCIPLES AND RULES |
| EN 60071-2:1997 | Insulation co-ordination - Part 2: Application guide |
| EN 50522:2010 | Earthing of power installations exceeding 1 kV a.c. |
| EN 61773:1996 | Overhead lines - Testing of foundations for structures |
| EN 61284:1997 | Overhead lines - Requirements and tests for fittings |
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