1 Domaine d’application
1.1
Cette norme s’applique à la conception, à l’installation, au fonctionnement, à l’entretien et à l’essai des génératrices de secours et des appareils connexes dont le rôle est d’assurer l’alimentation électrique de secours des charges :
a)
dans des bâtiments ou des installations en cas de panne de l’alimentation normale, lorsqu’une alimentation électrique de secours…
Dentistry — Materials for dental instruments — Part 1: Stainless steel
This document specifies stainless steel commonly used in manufacturing dental instruments.
It is applicable to stainless steel materials used to manufacture either an entire instrument or a part of the instrument.
It is applicable to single-use and reusable dental instruments, whether it is or it is not connected to a power-driven system.
This document is not applicable to devices and instruments…
Industrial automation systems and integration — Product data representation and exchange — Part 242:...
This document specifies the application module for
AP242 managed model based 3D engineering.
The following are within the scope of
this document:
products of automotive, aerospace and other mechanical manufacturers and of their suppliers,
including parts, assemblies of parts, tools,…
Performance of high-voltage direct current (HVDC) systems with line-commutated converters - Part 2: ...
IEC TR 60919-2:2008+A1:2015+A2:2020 provides guidance on the transient performance and fault protection requirements of high voltage direct current (HVDC) systems. It concerns the transient performance related to faults and switching for two-terminal HVDC systems utilizing 12-pulse converter units comprised of three-phase bridge (double way) connections but it does not cover multi-terminal HVDC…
Internet of Things (IoT) - Interoperability for IoT systems - Part 2: Transport interoperability
IEC 21823-2:2020 (E) specifies a framework and requirements for transport interoperability, in order to enable the construction of IoT systems with information exchange, peer-to-peer connectivity and seamless communication both between different IoT systems and also among entities within an IoT system. This document specifies:
• transport interoperability interfaces and requirements between IoT…
Internet of things (IoT) — Interoperability for IoT systems — Part 2: Transport interoperability
ISO/IEC 21823-2:2020(E) specifies a framework and requirements for transport interoperability, in order to enable the construction of IoT systems with information exchange, peer-to-peer connectivity and seamless communication both between different IoT systems and also among entities within an IoT system. This document specifies:
• transport interoperability interfaces and requirements…
Low-voltage switchgear and controlgear - Part 3: Switches, disconnectors, switch-disconnectors and f...
IEC 60947-3:2020 applies to switches, disconnectors, switch-disconnectors and fuse-combination units and their dedicated accessories to be used in distribution circuits and motor circuits of which the rated voltage does not exceed 1 000 V AC or 1 500 V DC.
This fourth edition cancels and replaces the third edition published in 2008, Amendment 1:2012 and Amendment 2:2015. This edition constitutes…
Low-voltage switchgear and controlgear - Part 1: General rules
IEC 60947-1:2020 applies, when required by the relevant product standard, to low-voltage switchgear and controlgear hereinafter referred to as "equipment" or “device” and intended to be connected to circuits, the rated voltage of which does not exceed 1 000 V AC or 1 500 V DC.
This document states the general rules and common safety requirements for low-voltage switchgear and…
Wind energy generation systems - Part 6: Tower and foundation design requirements
IEC 61400-6:2020 specifies requirements and general principles to be used in assessing the structural integrity of onshore wind turbine support structures (including foundations). The scope includes the geotechnical assessment of the soil for generic or site specific purposes. The strength of any flange and connection system connected to the rotor nacelle assembly (including connection to the yaw…
Wind energy generation systems - Part 6: Tower and foundation design requirements
IEC 61400-6:2020 specifies requirements and general principles to be used in assessing the structural integrity of onshore wind turbine support structures (including foundations). The scope includes the geotechnical assessment of the soil for generic or site specific purposes. The strength of any flange and connection system connected to the rotor nacelle assembly (including connection to the yaw…
