Active standard | Published: 12/09/2024

IEC 62305-4-ed.3.0

Protection against lightning - Part 4: Electrical and electronic systems within structures
(Protection contre la foudre - Partie 4: Reseaux de puissance et de communication dans les structures)

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Detail information

Designation: IEC 62305-4-ed.3.0

Publication date: 12/09/2024

Pages: 0

Country: International technical standard

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Anotation

IEC 62305-4:2024 provides requirements for the design, installation, inspection, maintenance, and testing of surge protection measures (SPM) for electrical and electronic systems to reduce the risk of permanent failures due to lightning electromagnetic impulse (LEMP) within a structure. This third edition cancels and replaces the second edition published in 2010. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) addition of new informative Annex E and Annex F on the determination of current sharing using modelling and current sharing in PV installations respectively; b) addition of a new informative Annex G on methods of testing of system level behaviour; c) addition of a new informative Annex H on induced voltages in SPD-protected installations. LIEC 62305-4:2024 fournit des exigences relatives a la conception, a linstallation, a linspection, a la maintenance et aux essais des mesures de protection contre les chocs (MPF) destinees aux reseaux de puissance et de communication, lesquelles visent a reduire le risque de defaillances permanentes du aux impulsions electromagnetiques de foudre (IEMF) dans une structure. Cette troisieme edition annule et remplace la deuxieme edition parue en 2010. Cette edition constitue une revision technique. Cette edition inclut les modifications techniques majeures suivantes par rapport a ledition precedente: a) ajout de nouvelles Annexe E et Annexe F informatives sur la determination de la repartition du courant a laide dune modelisation et dans les installations photovoltaiques, respectivement; b) ajout dune nouvelle Annexe G informative sur les methodes dessai des comportements de niveau systeme; c) ajout dune nouvelle Annexe H informative sur les tensions induites dans les installations protegees par des SPD.

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