BS EN 50341-2-1:2022 – TC:2023 Edition
$280.87
Tracked Changes. Overhead electrical lines exceeding AC 1 kV – National Normative Aspects (NNAs) for Austria (based on EN 50341-1:2012)
Published By | Publication Date | Number of Pages |
BSI | 2023 | 218 |
PDF Catalog
PDF Pages | PDF Title |
---|---|
1 | 30478643 |
119 | A-30477629 |
120 | undefined |
126 | European Foreword Untitled |
127 | 1 Scope 2 Normative references, definitions and symbols 2.1 Normative references |
128 | 2.2 Definitions |
130 | 2.3 Symbols |
131 | 3 Basis of design 3.2 Requirements of overhead lines 3.2.2 Reliability requirements 4 Actions on lines 4.3 Wind loads 4.3.1 Field of application and basic wind velocity 4.3.2 Mean wind velocity |
132 | 4.3.3 Mean wind pressure 4.3.4 Turbulence intensity and peak wind pressure 4.4 Wind forces on overhead line components 4.4.1 Wind forces on conductors 4.4.1.1 General 4.4.1.2 Structural factor 4.4.1.3 Drag factor 4.4.2 Wind forces on insulator sets |
133 | 4.4.3 Wind forces on lattice towers 4.4.3.1 General 4.4.4 Wind forces on poles 4.5 Ice loads 4.5.1 General 4.5.2 Ice forces on conductors |
134 | 4.6 Combined wind and ice loads 4.6.2 Drag factors and ice densities 4.6.3 Mean wind pressure and peak wind pressure 4.6.6 Combination of wind velocities and ice loads 4.6.6.1 Extreme ice load IT combined with a high probability wind velocity VIH 4.7 Temperature effects 4.11 Other special forces 4.11.3 Forces as a result of enhanced use |
135 | 4.12 Load cases 4.12.2 Standard load cases |
144 | 4.13 Partial factors for actions 5 Electrical requirements 5.2 Currents 5.2.1 Normal current |
145 | 5.4 Classification of voltages and overvoltages 5.4.2 Representative power frequency voltages 5.5 Minimum air clearance distances to avoid flashover 5.5.1 General 5.5.3 Empirical method based on European experience 5.6 Load cases for the calculation of clearances 5.6.1 Load conditions 5.6.2 Maximum conductor temperature |
146 | 5.6.3 Wind loads for determination of electric clearances 5.6.3.1 Wind load cases 5.6.4 Ice loads for determination of electric clearances 5.6.5 Combined wind and ice loads |
147 | 5.8 Internal clearances within the span and at the top of support |
148 | 5.9 External clearances 5.9.1 General |
152 | 5.9.2 External clearances to ground in areas remote from buildings, roads, etc. |
155 | 5.9.3 External clearances to residential and other buildings |
170 | 5.9.4 External clearances to crossing traffic routes |
182 | 5.9.6 External clearances to other power lines or overhead telecommunication lines |
189 | 5.9.7 External clearances to recreational areas (playgrounds, sports areas, etc.) |
191 | 5.11 Electric and magnetic fields 5.11.1 Electric and magnetic fields under a line 6 Earthing systems 6.4 Dimensioning with regard to human safety 6.4.1 Permissible values for touch voltages 6.4.2 Touch voltage limits at different locations |
192 | 6.4.3 Basic design of earthing systems with regard to permissible touch voltag 7 Supports 7.1 Initial design considerations 7.1.1 Introduction 7.3 Lattice steel towers |
193 | 7.3.6.4 Buckling resistance of members in compression 7.4 Steel poles 7.4.7 Serviceability limit states (EN 199311:2005 – chapter 7) 7.4.8 Resistance of connections 7.4.8.2 Bolts (other than holding-down bolts) 7.5 Wood poles 7.5.3 Materials 7.5.4 Durability 7.5.5 Ultimate limit states 7.5.5.2 Calculation of internal forces and moments |
194 | 7.5.5.3 Resistance of wood elements 7.5.6 Serviceability limit states 7.5.7 Resistance of connections |
195 | 7.6 Concrete poles 7.6.4 Ultimate limit states 7.6.5 Serviceability limit states 7.6.6 Design assisted by testing 7.7 Guyed structures 7.7.6 Design details for guys |
196 | 7.8 Other structures 7.10 Maintenance facilities 7.10.3 Safety requirements 8 Foundations 8.1 Introduction 8.2 Basis of geotechnical design (EN 1997-1:2004 – Section 2) 8.2.2 Geotechnical design by calculation |
197 | 8.2.3 Design by prescriptive measures 8.6 Interactions between support foundations and soil 9 Conductors and earth-wires 9.1 Introduction 9.2 Aluminium based conductors 9.3 Steel based conductors 9.3.1 Characteristics and dimensions 9.3.6 Test requirements 9.5 Conductors and ground wires containing optical fibre telecommunication circuits |
198 | 9.6 General requirements |
200 | 9.6.3 Minimum cross-sections |
201 | 9.8 Selection, delivery and installation of conductors 10 Insulators 10.2 Standard electrical requirements 10.7 Mechanical requirements 10.10 Characteristics and dimensions of insulators 10.13 Routine test requirements |
202 | 11 Hardware 11.2 Electrical requirements 11.2.1 Requirements applicable to all fittings 11.6 Mechanical requirements 11.9 Characteristics and dimensions of fittings 12 Quality assurance, checks and taking-over |
204 | Annex G (normative)Calculation methods for earthing systems |
206 | Annex H (informative)Installation and measurements of earthing systems |
208 | Annex J(normative)Angles in lattice steel towers |
209 | Annex M(informative)Geotechnical and structural design of foundations |
210 | Annex S(normative)Geotechnical foundation design according to practically proved methods based on characteristic loads |
215 | Annex T(normative)Supplementary provisions for the design and realisation of concrete and reinforced concrete foundations |
216 | Annex U(normative)Stranded-conductors and cables with telecommunication components carried along on supports of overhead lines |