EN 50341-2-4:2019

Overhead electrical lines exceeding AC 1 kV - Part 2-4: National Normative Aspects (NNA) for GERMANY (based on EN 50341-1:2012)

1.1 General 1.1 DE.1 General (ncpt) (Supplement to DIN EN 50341-1 (VDE 0210-1):2013-11, clause 1.1) This EN applies to planning and installation of overhead lines with nominal voltages above AC 1 kV. This EN needs not to be adopted to existing installations. Installations in the planning and construction stage may be completed adopting the standard edition valid at the beginning of planning. 1.2 Field of application 1.2 DE.1 Application to conductors with components for telecommunication (ncpt) (Supplement to DIN EN 50341-1 (VDE 0210-1):2013-11, 1.2) In Germany this EN is applicable to all types of conductors (according to the information in clause 1.2) which contain components for telecommunication. 1.2 DE.2 Application to installation of telecommunication equipment on supports (ncpt) (Supplement to DIN EN 50341-1 (VDE 0210-1):2013-11, 1.2) In Germany this EN is applicable to the installation of telecommunication equipmen

Freileitungen über AC 1 kV - Teil 2-4: Nationale Normative Festlegungen (NNA) für DEUTSCHLAND basierend auf EN 50341-1:2012

1 Anwendungsbereich 1.1 Allgemeines 1.1 DE.1 Allgemeines (ncpt) (Ergänzung zu DIN EN 50341 1 (VDE 0210 1):2013 11, 1.1) Diese EN gilt für die Planung und Errichtung von Freileitungen über AC 1 kV. Auf bestehende Anlagen braucht diese Norm nicht angewendet zu werden. In der Planung oder in Ausführung befindliche Anlagen dürfen nach der bei Beginn der Planung geltenden Norm fertiggestellt werden. 1.2 Anwendungsgebiet 1.2 DE.1 Anwendung für Leiter mit Telekommunikations-Komponenten (ncpt) (Ergänzung zu DIN EN 50341 1 (VDE 0210 1):2013 11, 1.2) Diese Norm gilt in Deutschland für alle Leiter (entsprechend den Angaben in 1.2) mit Telekom-munikations-Komponenten. 1.2 DE.2 Anwendung für das Anbringen von Telekommunikations-Einrichtungen an Stützpunkten (ncpt) (Ergänzung zu DIN EN 50341 1 (VDE 0210 1):2013 11, 1.2) Diese EN ist in Deutschland für das Anbringen von Telekommunikations-Einrichtungen an Stützpunkten anzuwenden. Auf 4.11.1/DE.1 „Nutzungserweiterungen“ wird verwiesen.

Nadzemni električni vodi za izmenične napetosti nad 1 kV - 2-4. del: Nacionalna normativna določila (NNA) za Nemčijo (na podlagi EN 50341-1:2012)

Standard EN 50341-2-4 se uporablja za načrtovanje in projektiranje nadzemnih vodov za nazivne izmenične napetosti nad 1 kV. Tega standarda EN ni treba sprejeti za obstoječe inštalacije. Inštalacije na stopnji načrtovanja in izgradnje se lahko dokončajo s sprejetjem standardne izdaje, veljavne ob začetku načrtovanja. V Nemčiji se ta standard EN uporablja za vse vrste prevodnikov (skladno z informacijami v točki 1.2), ki vključujejo sestavne dele za telekomunikacijo. V Nemčiji se ta standard EN uporablja za montažo telekomunikacijske opreme na nosilce. Pri tem se sklicuje na točko 4.11.1/DE.1 »Razširitev področja uporabe«.

General Information

• Status: Published
• Publication Date: 23-May-2019
• Withdrawal Date: 09-Apr-2022
• ICS: 29.240.20 - Power transmission and distribution lines
• Technical Committee: CLC/TC 11 - Overhead electrical lines exceeding 1 kV a.c. (1,5 kV d.c.)
• Drafting Committee: CLC/TC 11 - Overhead electrical lines exceeding 1 kV a.c. (1,5 kV d.c.)
• Current Stage: 6060 - Document made available - Publishing
• Start Date: 24-May-2019
• Completion Date: 24-May-2019
• Ref Project: SIST EN 50341-2-4:2019 - Overhead electrical lines exceeding AC 1 kV - Part 2-4: National Normative Aspects (NNA) for GERMANY (based on EN 50341-1:2012)

Relations

• Replaces: EN 50341-2-4:2016 - Overhead electrical lines exceeding AC 1 kV - Part 2-4: National Normative Aspects (NNA) for Germany (based on EN 50341-1:2012)
• Effective Date: 28-May-2019

Standards Content (Sample)

SLOVENSKI STANDARD
01-december-2019
Nadomešča:
SIST EN 50341-2-4:2016
Nadzemni električni vodi za izmenične napetosti nad 1 kV - 2-4. del: Nacionalna
normativna določila (NNA) za Nemčijo (na podlagi EN 50341-1:2012)
Overhead electrical lines exceeding AC 1 kV - Part 2-4: National Normative Aspects
(NNA) for GERMANY (based on EN 50341-1:2012)
Freileitungen über AC 1 kV - Teil 2-4: Nationale Normative Festlegungen (NNA) für
DEUTSCHLAND basierend auf EN 50341-1:2012
Ta slovenski standard je istoveten z: EN 50341-2-4:2019
ICS:
29.240.20 Daljnovodi Power transmission and
distribution lines
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 50341-2-4

NORME EUROPÉENNE
EUROPÄISCHE NORM
May 2019
ICS 29.240.20 Supersedes EN 50341-2-4:2016
English Version
Overhead electrical lines exceeding AC 1 kV - Part 2-4: National
Normative Aspects (NNA) for GERMANY (based on EN 50341-
1:2012)
This European Standard was approved by CENELEC on 2019-04-10.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden,
Switzerland, Turkey and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2019 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 50341-2-4:2019 E
Contents
Page
European foreword . 6
1 Scope . 7
1.1 General . 7
1.2 Field of application . 7
2 Normative references, definitions and symbols . 7
2.1 Normative references . 7
2.2 Definitions . 13
2.3 Symbols . 18
3 Basis of design . 23
3.2 Requirements of overhead lines . 23
3.2.1 Basic requirements . 23
3.2.2 Reliability requirements . 23
3.2.5 Strength coordination . 23
3.2.6 Additional considerations . 23
3.4 Actions . 24
3.4.3 Classification of actions by their nature and/or the structural response . 24
3.6 Design values . 24
3.6.3 Design value of a material property . 24
3.6.4 Combination value of a variable action . 24
4 Actions on lines . 25
4.1 Introduction . 25
4.3 Wind loads . 25
4.4 Wind forces on overhead line components . 27
4.4.1 Wind forces on conductors . 27
4.4.2 Wind forces on insulator sets . 29
4.4.3 Wind forces on lattice towers . 30
4.4.4 Wind forces on poles . 32
4.5 Ice loads . 32
4.5.2 Ice forces on conductors . 32
4.6 Combined wind and ice loads . 34
4.6.4 Equivalent diameter DI of ice-covered conductor . 34
4.6.6 Combination of wind velocities and ice loads . 34
4.8 Security loads . 34
4.8.1 General. 34
4.9 Safety loads . 34
4.9.1 Construction and maintenance loads . 34
4.9.2 Loads related to the weight of lines men . 35
4.10 Forces due to short-circuit currents. 35
4.11 Other special forces . 35
4.12 Load cases . 35
4.12.1 General. 35
4.12.2 Standard load cases . 36
4.13 Partial factors for actions . 39
5 Electrical requirements . 40
5.2 Currents . 40
5.2.1 Normal current . 40
5.4 Classification of voltages and over-voltages . 40

Germany  – 2/90 – EN 50341-2-4:2019
Page
5.4.2 Representative power frequency voltages . 40
5.4.5 Representative fast-front overvoltage . 40
5.5 Minimum air clearance distances to avoid flashovers . 40
5.5.3 Empirical method based on European experience . 40
5.6 Load cases for calculation of clearances . 41
5.6.3 Wind loads for determination of electric clearances . 41
5.6.4 Ice loads for the determination of electric clearances . 41
5.6.5 Combined wind and ice loads . 42
5.8 Internal clearances within the span and at the top of support . 42
5.9 External clearances . 43
5.9.1 General . 43
5.9.2 External clearances to ground in areas remote from buildings, roads etc. . 45
5.9.3 External clearances to residential and other buildings . 46
5.9.4 External clearances to crossing traffic routes . 47
5.9.5 External clearances to adjacent traffic routes . 48
5.9.6 External clearances to other power lines or overhead telecommunication lines . 48
5.11 Electric and magnetic fields . 49
5.11.1 Electric and magnetic fields under a line. 49
5.11.2 Electric and magnetic field induction . 49
5.11.3 Interference with telecommunication circuits . 49
6 Earthing systems . 49
6.1 Introduction . 49
6.1.2 Requirements for dimensioning of earthing systems . 49
6.1.3 Earthing measures against lightning effects . 51
6.3 Rating with regard to thermal strength . 51
6.3.2 Current rating calculation . 51
6.4 Dimensioning with regard to human safety . 52
6.4.2 Touch voltage limits at different locations . 52
6.4.3 Basic design of earthing systems with regard to permissible touch voltage . 52
6.4.4 Measures in systems with isolated neutral or resonant earthing . 53
6.5 Site inspection and documentation of earthing systems . 53
7 Supports . 54
7.1 Initial design considerations . 54
7.2 Materials . 54
7.2.1 Steel materials, bolts, nuts and washers, welding consumables . 54
7.2.6 Wood . 54
7.2.8 Other materials . 54
7.3 Lattice steel towers . 55
7.3.1 General .
...