Photovoltaic cells - Part 4: Measurement of light and elevated temperature induced degradation of cr...
IEC TS 63202-4:2022 describes procedures for measuring the light and elevated temperature induced degradation (LETID) of crystalline silicon photovoltaic (PV) cells in simulated sunlight. The requirements for measuring initial light induced degradation (LID) of crystalline silicon PV cells are covered by IEC 63202-1, where LID degradation risk of PV cells under moderate temperature and initial…
Rubber, vulcanized or thermoplastic — Determination of tear strength — Part 1: Trouser, angle and cr...
This document specifies three test methods for the determination of the tear strength of vulcanized or thermoplastic rubber, namely the following:
— method A, using a trouser test piece;
— method B, using an angle test piece, with or without a nick of specified depth;
— method C, using a crescent test piece with a nick.
The value of tear strength obtained depends on the shape of the test…
Environmental management — Requirements with guidance for verification and validation of water state...
This document specifies principles, requirements and guidelines for the verification and validation of water statements.
It is applicable to organizational, product and project water statement verification and validation, and can also be used to provide confidence in reported water information on a local, regional or national level.
This document is programme neutral. If a programme is applicable…
Caoutchouc vulcanisé ou thermoplastique — Détermination de la résistance au déchirement — Partie 1: ...
Le présent document spécifie trois méthodes pour la détermination de la résistance au déchirement du caoutchouc vulcanisé ou thermoplastique, à savoir:
— méthode A, utilisant une éprouvette pantalon;
— méthode B, utilisant une éprouvette angulaire, avec ou sans entaille de profondeur spécifiée;
— méthode C, utilisant une éprouvette croissant entaillée.
La valeur de la résistance au…
Rotating electrical machines - Part 25: AC electrical machines used in power drive systems - Applica...
IEC TS 60034-25:2022 CMV contains both the official standard and its commented version. The commented version provides you with a quick and easy way to compare all the changes between IEC TS 60034-25:2022 edition 4.0 and the previous IEC TS 60034-25:2014 edition 3.0. Furthermore, comments from IEC TC 2 experts are provided to explain the reasons of the most relevant changes, or to clarify any…
Rotating electrical machines - Part 25: AC electrical machines used in power drive systems - Applica...
IEC TS 60034-25:2022 describes the performance characteristics of AC electrical machines for use on converter supplies. For electrical machines specifically designed for converter duty application design features are defined. It also specifies the interface parameters and interactions between the electrical machine and the converter including installation guidance as part of a power drive system…
Radio frequency and coaxial cable assemblies - Part 4-2: Detail specification for semi-rigid cable a...
IEC 60966-4-2:2022 is a detail specification that relates to semi-rigid cable assemblies composed of type 50-9 semi-rigid coaxial cables with foamed polyethylene dielectric and connectors such as type 7-16 (IEC 61169-4), type 4.1-9.5 (IEC 61169-11), type N (IEC 61169-16),type S7-16 (IEC 61169-53) or type 4.3-10 (IEC 61169-54).
This detail specification applies to the cable assemblies (jumper…
Cordons coaxiaux et cordons pour fréquences radioélectriques - Partie 4-2: Spécification particulièr...
IEC 60966-4-2:2022 est une spécification particulière qui concerne les cordons semi-rigides composés de câbles coaxiaux semi-rigides de type 50-9, avec un diélectrique en polyéthylène expansé et des connecteurs de type 7-16 (IEC 61169-4), de type 4,1-9,5 (IEC 61169‑11), de type N (IEC 61169-16), de type S7-16 (IEC 61169-53) ou de type 4,3-10 (IEC 61169-54).
La présente spécification particulière…
