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1. Technical and standards developments
1.1 Improved understanding of low-voltage phenomena
For a long time, studies of low-voltage transient phenomena were limited. In particular, the relatively good intrinsic strength of equipment meant that precise studies were not necessary. This is no longer the case, and in recent years a large number of studies have been published on the subject.
Simulations, on-site measurements and laboratory tests were carried out, providing invaluable information on surge statistics, amplitudes, the performance of different equipment, and the necessary locations and characteristics of surge arresters.
Thus, while often considered negligible, maneuvering overvoltages can, in certain configurations, be as severe, or even more so, than lightning overvoltages....
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Technical and standards developments
Bibliography
Software tools
JUPITER: lightning risk analysis software in compliance with NF EN 62305-2, SEFTIM, France.
Websites
Lightning Protection Association http://www.apfoudre.fr/
SOS lightning http://seftim.com/?page_id=1405
Standards and norms
- Low-voltage arresters – Part 11: Surge arresters connected to low-voltage systems – Requirements and test methods. - NF EN 61643-11 - 05-2014
This standard covers arresters for low-voltage AC networks. Specific versions for DC applications are under development (IEC 61643-31 for arresters for photovoltaic applications and IEC 61643-41 for other DC applications. In Europe, there is already a standard for...
Regulations
ICPE Order: Order of May 11, 2015 amending a series of ministerial orders to take into account the new nomenclature of classified installations for environmental protection coming into force on 1 er June 2015 as part of the transposition of directive no. 2012/18/EU of July 4, 2012. This decree imposes lightning risk analyses on certain classified facilities, and depending on the...
Directory
Manufacturers – Suppliers – Distributors (non-exhaustive list)
French manufacturers are members of GIMELEC and IGNES.
Installers are grouped together within the FFIE.
Organizations – Federations – Associations (non-exhaustive list)
GIMELEC – Groupement des industries de l'équipement électrique, du contrôle-commande et des services associés
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The Ultimate Scientific and Technical Reference