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ČSN EN 50341-2-20-ed.2 (333300)
Overhead electrical lines exceeding AC 1 kV - Part 2-20: National Normative Aspects (NNA) for ESTONIA
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STANDARD published on 1.6.2019
The information about the standard:
Designation standards: ČSN EN 50341-2-20-ed.2
Classification mark: 333300
Catalog number: 506990
Publication date standards: 1.6.2019
SKU: NS-950465
The number of pages: 52
Approximate weight : 156 g (0.34 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
The category - similar standards:
Annotation of standard text ČSN EN 50341-2-20-ed.2 (333300):
Estonia the standard EN 50341-1 (Part 1) can only be applied using this NNA (EN 50341-2-20) containing National Normative Aspects for Estonia.
This Part 2-20 applies to all new overhead electric lines with nominal system voltages exceeding AC 1 kV and also for low voltage (below 1 kV AC) overhead lines performed by aerial cables. The requirements of the structural design are applicable also for DC overhead lines, where the electrical requirements are given in the Project Specification.
A "new overhead line" means a completely new line between two points, A and B. A new branch line of the existing power line should be considered as a new power line including the junction support. Specific requirements for junction support should be defined with the Project Specification
Preview of the standard ČSN EN 50341-2-20-ed.2 (333300)
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