EN 50341-2-20:2015
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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 1 kV - Part 2-20: National Normative Aspects (NNA) for ESTONIA (based on EN 50341-1:2012)
01-06-2018
02-20-2015
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
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