Electrostatics - Part 2-1: Measurement methods - Ability of materials and products to dissipate stat...
IEC 61340-2-1:2015+AMD1:2022 describes test methods for measuring the rate of dissipation of static charge of insulating and static dissipative materials and products. It includes a generic description of test methods and detailed test procedures for specific applications. The two test methods for measuring charge decay time, one using corona charging and one using a charged metal plate are…
Telecommunications and information exchange between systems - Wireless Regional Area Networks (WRAN)...
This document specifies the air interface, including the cognitive radio medium access control layer (MAC) and physical layer (PHY), of point-to-multipoint and backhaul wireless regional area networks (WRANs) comprised of a professional fixed base station (BS) with fixed and portable user terminals. The document specifies operation in the bands that allow spectrum sharing where the communications…
Plastic films for electrical purposes - Part 3: Specifications for individual materials - Sheets 4: ...
IEC 60674-3-4:2022 gives the requirements for polyimide films used for electrical purposes. Materials which conform to this specification meet established levels of performance. However, the selection of a material by a user for a specific application is based on the actual requirements necessary for adequate performance in that application and not based on this specification alone.Safety warning…
Films plastiques à usages électriques - Partie 3: Spécifications pour matériaux particuliers - Feuil...
IEC 60674-3-4:2022 spécifie les exigences pour les films de polyimide à usages électriques. Les matériaux conformes à la présente spécification satisfont à des niveaux établis de performance. Toutefois, le choix d’un matériau par un utilisateur pour une application spécifique repose sur les exigences réelles nécessaires pour obtenir des performances adéquates de l’application concernée, et non…
High-voltage switchgear and controlgear - Part 202: AC prefabricated substations for rated voltages ...
IEC 62271-202:2022 specifies the service conditions, rated characteristics, general structural requirements and test methods of enclosed high-voltage prefabricated substations. These prefabricated substations are cable-connected to AC high-voltage networks with an operating voltage up to and including 52 kV and power frequencies up to and including 60 Hz. They can be manually operated from inside…
Appareillage à haute tension - Partie 202: Postes préfabriqués pour courant alternatif de tensions a...
L'IEC 62271-202:2022 spécifie les conditions de service, les caractéristiques assignées, les exigences structurelles générales et les méthodes d'essai applicables aux postes préfabriqués haute tension sous enveloppe. Ces postes préfabriqués sont connectés par câble à des réseaux haute tension à courant alternatif avec une tension de service inférieure ou égale à 52 kV et des fréquences…
Electrostatics - Part 2-1: Measurement methods - Ability of materials and products to dissipate stat...
IEC 61340-2-1:2015+AMD1:2022 describes test methods for measuring the rate of dissipation of static charge of insulating and static dissipative materials and products. It includes a generic description of test methods and detailed test procedures for specific applications. The two test methods for measuring charge decay time, one using corona charging and one using a charged metal plate are…
