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I.S. EN 50341-2-20:2015

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

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withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

OVERHEAD ELECTRICAL LINES EXCEEDING AC 45 KV - PART 2-20: NATIONAL NORMATIVE ASPECTS (NNA) FOR ESTONIA (BASED ON EN 50341-1:2012)
Available format(s)

Hardcopy , PDF

Withdrawn date

26-11-2021

Language(s)

English

Published date

01-01-2015

Preview

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.

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
Withdrawn
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 1997-1:2004/A1:2013 EUROCODE 7: GEOTECHNICAL DESIGN - PART 1: GENERAL RULES
EN 50522:2010 Earthing of power installations exceeding 1 kV a.c.
EN 1991-1-4:2005/A1:2010 EUROCODE 1: ACTIONS ON STRUCTURES - PART 1-4: GENERAL ACTIONS - WIND ACTIONS
EN 61773:1996 Overhead lines - Testing of foundations for structures
EN 61284:1997 Overhead lines - Requirements and tests for fittings

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$125.61
Including GST where applicable

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