ДСТУ EN 50341-2-4:2022 Воздушные электрические линии с напряжением свыше 1 кВ переменного тока. Часть 2-4. Национальные нормативные аспекты (NNA) для Германии (на основе EN 50341-1:2012) (EN 50341-2-4:2019, I...

ПІДТВЕРДЖУВАЛЬНЕ ПОВІДОМЛЕННЯ

Державне підприємство
«Український науково-дослідний і навчальний центр
проблем стандартизації, сертифікації та якості»
(ДП «УкрНДНЦ»)

Наказ від 28.12.2022 № 285

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)

European foreword

1 Scope

1.1 General

1.2 Field of application

2 Normative references, definitions and symbols

2.1 Normative references

2.2 Definitions

2.3 Symbols

3 Basis of design

3.2 Requirements of overhead lines

3.4 Actions

3.6 Design values

4 Actions on lines

4.1 Introduction

4.3 Wind loads

4.4 Wind forces on overhead line components

4.5 Ice loads

4.6 Combined wind and ice loads

4.8 Security loads

4.9 Safety loads

4.10 Forces due to short-circuit currents

4.11 Other special forces

4.12 Loadcases

4.13 Partial factors for actions

5 Electrical requirements

5.2 Currents

5.4 Classification of voltages and over-voltages

5.5 Minimum air clearance distances to avoid flashovers

5.6 Load cases for calculation of clearances

5.8 Internal clearances within the span and at the top of support

5.9 External clearances

5.11 Electric and magnetic fields

6 Earthing systems

6.1 Introduction

6.3 Rating with regard to thermal strength

6.4 Dimensioning with regard to human safety

6.5 Site inspection and documentation of earthing systems

7 Supports

7.1 Initial design considerations

7.2 Materials

7.3 Lattice steel towers

7.4 Steel poles

7.5 Wood poles

7.6 Concrete poles

7.7 Guyed structures

7.8 Other structures

7.9 Corrosion protections and finishes

7.10 Maintenance facilities

8 Foundations

8.2 Basis of geotechnical design

8.6 Interaction between support foundations and soil

9 Conductors and earth wires

9.2 Aluminium based conductors

9.3 Steel based conductors

9.6 General requirements

10 Insulators

10.1 Introduction

10.4 Pollution performance requirements

10.7 Mechanical requirements

11 Hardware

11.1 Introduction

11.2 Electrical requirements.

11.6 Mechanical requirements

12 Quality assurance, checks and taking-over

Annex G (normative) Calculation methods for earthing systems

Annex J (normative) Angles in lattice steel towers

Annex M (informative) Geotechnical and structural design of foundations

Annex AA (informative) Assumptions for ice loads

Literature