ДСТУ EN 50341-1:2022 Повітряні електричні лінії змінного струму понад 1 кВ. Частина 1. Загальні вимоги. Загальні специфікації (EN 50341-1:2012, IDT)

ДСТУ EN 50341-1:2022
(EN 50341-1:2012, IDT)

Повітряні електричні лінії змінного струму понад 1 кВ.
Частина 1. Загальні вимоги. Загальні специфікації

 
   
 
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

Foreword

0 Introduction

0.1 Detailed structure of the standard

0.2 Part 1: General requirements - Common specifications

0.3 Part 2: National Normative Aspects

0.4 A-deviations

0.5 Special national conditions (snc)

0.6 National complements (NCPTs)

0.7 Language

1 Scope

1.1 General

1.2 Field of application

1.3 Structure of the European Standard EN 50341-1

2 Normative references, definitions and symbols

2.1 Normative references

2.2 Definitions

2.3 Symbols

3 Basis of design

3.1 Introduction

3.2 Requirements of overhead lines

3.3 Limit states

3.4 Actions

3.5 Characteristic values

3.6 Design values

3.7 Partial factor method and design formula

4 Actions on lines

4.1 Introduction

4.2 Permanent loads

4.3 Wind loads

4.4 Wind forces on overhead line components

4.5 Ice loads

4.6 Combined wind and ice loads

4.7 Temperature effects

4.8 Security loads

4.9 Safety Loads

4.10 Forces due to short-circuit currents

4.11 Other special forces

4.12 Load cases

4.13 Partial factors for actions

5 Electrical requirements

5.1 Introduction

5.2 Currents

5.3 Insulation co-ordination

5.4 Classification of voltages and overvoltages

5.5 Minimum air clearance distances to avoid flashove

5.6 Load cases for calculation of clearances

5.7 Coordination of conductor positions and electrical stresses

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

5.9 External clearances

5.10 Corona effect

5.11 Electric and magnetic fields

6 Earthing systems

6.1 Introduction

6.2 Ratings with regard to corrosion and mechanical strength

6.3 Dimensioning 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 protection and finishes

7.10 Maintenance facilities

7.11 Loading tests

7.12 Assembly and erection

8 Foundations

8.1 Introduction

8.2 Basis of geotechnical design (EN 1997-1:2004 – Section 2)

8.3 Soil investigation and geotechnical data (EN 1997-1:2004 – Section 3)

8.4 Supervision of construction, monitoring and maintenance (EN 1997-1:2004 – Section 4)

8.5 Fill, dewatering, ground improvement and reinforcement (EN 1997-1:2004 – Section 5)

8.6 Interactions between support foundations and soi

9 Conductors and earth-wires

9.1 Introduction

9.2 Aluminium based conductors

9.3 Steel based conductors

9.4 Copper based conductors

9.5 Conductors and ground wires containing optical fibre telecommunication circuits

9.6 General requirements

9.7 Test reports and certificates

9.8 Selection, delivery and installation of conductors

10 Insulators

10.1 Introduction

10.2 Standard electrical requirements

10.3 RIV requirements and corona extinction voltage

10.4 Pollution performance requirements

10.5 Power arc requirements

10.6 Audible noise requirements

10.7 Mechanical requirements

10.8 Durability requirements

10.9 Material selection and specification

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

10.15 Test reports and certificates

10.16 Selection, delivery and installation of insulators

11 Hardware

11.1 Introduction

11.2 Electrical requirements

11.3 RIV requirements and corona extinction voltage

11.4 Magnetic characteristics

11.5 Short circuit current and power arc requirements

11.6 Mechanical requirements

11.7 Durability requirements

11.8 Material selection and specification

11.9 Characteristics and dimensions of fittings

11.10 Type test requirements

11.11 Sample test requirements

11.12 Routine test requirements

11.13 Test reports and certificates

11.14 Selection, delivery and installation of fittings

12 Quality assurance, checks and taking-over

12.1 Quality assurance

12.2 Checks and taking-over

Annex A (informative) Strength coordination

Annex B (informative) Conversion of wind velocities and ice loads

Annex C (informative) Application examples of wind loads - Special forces

Annex D (informative) Statistical data for the Gumbel distribution of extremes

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 J (normative) Angles in lattice steel towers

Annex K (normative) Steel poles

Annex L (informative) Design requirements for supports and foundations

Annex M (informative) Geotechnical and structural design of foundations

Annex N (informative) Conductors and overhead earth wires

Annex P (informative) Tests on insulators and insulators sets

Annex Q (informative) Insulators

Annex R (informative) Hardware