Gas cylinders — Cylinder bundles — Design, manufacture, testing and inspection
This document specifies the requirements for the design, construction, testing and initial inspection of a transportable cylinder bundle.
It is applicable to cylinder bundles containing cylinders containing compressed gas, liquefied gas and mixtures thereof. It is also applicable to cylinder bundles for acetylene. Additional requirements for acetylene cylinder bundles containing acetylene in a…
Semiconductor devices - Part 5-8: Optoelectronic devices - Light emitting diodes - Test method of op...
IEC 60747-5-8:2019 specifies the terminology and the measuring methods of various efficiencies of single light emitting diode (LED) chips or packages without phosphor. White LEDs for lighting applications are out of the scope of this part of IEC 60747. The efficiencies whose measuring methods are defined in this part are the power efficiency (PE), the external quantum efficiency (EQE), the…
Dispositifs à semiconducteurs - Partie 5-8 : Dispositifs optoélectroniques - Diodes électroluminesce...
L’IEC 60747-5-8:2019 spécifie la terminologie et les méthodes de mesure des efficacités des puces ou des boîtiers de diodes électroluminescentes (DEL) sans phosphore. Les DEL blanches destinées aux applications d’éclairage sont exclues de la présente partie de l’IEC 60747. Les méthodes de mesure de l’efficacité énergétique (PE), de l’efficacité quantique externe (EQE), de l’efficacité de tension…
Specifications for particular types of winding wires - Part 27-3: Paper tape covered rectangular cop...
IEC 60317-27-3:2019 specifies the requirements of paper tape covered rectangular copper winding wires. This covering consists of two or more layers of paper tape and is primarily intended for winding coils for oil immersed transformers. The range of nominal conductor dimensions covered by this document is
- width: min. 2,0 mm max. 31,5 mm;
- thickness: min. 0,80 mm max. 10,0 mm.
The paper…
Spécifications pour types particuliers de fils de bobinage - Partie 27-3: Fil de section rectangulai...
IEC 60317-27-3:2019 spécifie les exigences relatives au fil de bobinage de section rectangulaire en cuivre recouvert de ruban papier. Ce revêtement est constitué d'au moins deux couches de ruban papier et est essentiellement destiné au bobinage pour les transformateurs immergés dans l'huile La gamme des dimensions nominales des conducteurs couvertes par le présent document est:
–…
Dynamic Modules - Part 6-11: Design guidelines - Software and hardware interface for optical multica...
IEC/TR 62343-6-11: 2019 which is a Technical Report, proposes a software and hardware interface for the optical multicast switch (MCS). This switch can be controlled by resident firmware within the interface that is intended to enable a user or host to retrieve the switch status and/or adjust relevant switch settings. The MCS is defined in IEC 62343-3-4. The technical information regarding MCS…
Nuclear power plants - Instrumentation, control and electrical power systems - Cybersecurity require...
IEC 62645:2019 establishes requirements and provides guidance for the development and management of effective computer security programmes for I&C programmable digital systems. Inherent to these requirements and guidance is the criterion that the power plant I&C programmable digital system security programme complies with the applicable country’s requirements.
This document defines…
Centrales nucléaires de puissance - Systèmes d'instrumentation, de contrôle-commande et d'...
L’IEC 62645:2019 établit des exigences et fournit des recommandations pour le développement et la gestion des programmes de sécurité informatique des systèmes numériques programmables d’I&C. Le critère de conformité du programme de sécurité des systèmes numériques programmables d’I&C de la centrale nucléaire aux exigences nationales applicables est inhérent aux exigences et…
Incompatibility of connectors for DC-application in photovoltaic systems
IEC TR 63225:2019 highlights the problem of incompatibility of connectors for DC-application in photovoltaic systems (DC connectors) produced by different manufacturers. It addresses four particular issues in that context:
background information on incompatibility of DC connectors from different manufacturers;
observations and challenges concerning the handling of DC connectors from…
Good refurbishment practices for medical imaging equipment
IEC 63077:2019 describes and defines the PROCESS of REFURBISHMENT of USED MEDICAL IMAGING EQUIPMENT and applies to the restoring of USED MEDICAL IMAGING EQUIPMENT to a condition of safety and performance comparable to that of new MEDICAL IMAGING EQUIPMENT i.e. MEDICAL IMAGING EQUIPMENT that was not in use. This restoration includes actions such as REPAIR, REWORK, software/hardware updates, and…