Capacitors for high‑voltage alternating current circuit‑breakers - Part 2: TRV capacitors
IEC 62146-2:2023 is applicable to TRV capacitors used on high-voltage alternating current circuit-breakers with rated voltages above 100 kV with 50 Hz or 60 Hz.
TRV capacitors are installed phase to earth, either in parallel to the bushing on dead tank circuit-breakers, or immersed inside the circuit-breaker, or freestanding close to the circuit-breaker. Their function is to limit the transient…
Condensateurs pour disjoncteurs à courant alternatif haute tension - Partie 2: Condensateurs TTR
IEC 62146-2:2023 s’applique aux condensateurs TTR utilisés sur les disjoncteurs à courant alternatif haute tension dont les tensions assignées sont supérieures à 100 kV à 50 Hz ou 60 Hz.
Les condensateurs TTR à neutre reliés à la terre sont installés soit parallèlement à la traversée sur les disjoncteurs à cuve mise à la terre, soit immergés à l’intérieur du disjoncteur, soit de façon autonome à…
Applications of statistical and related methods to new technology and product development process — ...
The current ISO 16355 series is written intentionally independent of industry because the principles of applying statistical methods for product and technology development are similar for all types of products. However, when applying the standard for the development of fully or partially digitized products in practice, specific characteristics of digital goods in product development (such as…
Woodworking machines — Safety — Part 11: Combined machines
1 Scope
This document gives the safety requirements and measures for stationary and displaceable combined woodworking machines, having at least two separately usable working units and with manual loading and unloading of the workpiece, hereinafter referred to as “machines”. The integrated working units can be of these types only:
— a sawing unit;
— a moulding unit;
— a planing unit.
The…
Rotating electrical machines - Part 18-1: Functional evaluation of insulation systems - General guid...
IEC 60034-18-1:2022 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 60034-18-1:2022 edition 3.0 and the previous IEC 60034-18-1:2010 edition 2.0. Furthermore, comments from IEC TC 2 experts are provided to explain the reasons of the most relevant changes, or to clarify any part…
Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 031...
IEC 61010-031:2022 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 61010-031:2022 edition 3.0 and the previous IEC 61010-031:2015+AMD1:2018 CSV edition 2.1. Furthermore, comments from IEC TC 66 experts are provided to explain the reasons of the most relevant changes, or to…
Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 031...
IEC 61010-031:2022 specifies safety requirements for hand-held and hand-manipulated probe assemblies for electrical test and measurement, and their related accessories. These probe assemblies are for non-contact or direct electrical connection between a part and electrical test and measurement equipment. They can be fixed to the equipment or be detachable accessories for the equipment.
It has…
Environmental statements and programmes for products — Principles and general requirements
This document establishes principles and specifies general requirements that are applicable to all types of product-related environmental statements and environmental statement programmes. Environmental statements result from environmental statement programmes and include self-declared environmental claims, ecolabels, environmental product declarations (EPDs) and footprint communications.
This…
Electronic fee collection — Application interface definition for dedicated short-range communication
This document specifies the application interface in the context of electronic fee collection (EFC) systems using dedicated short-range communication (DSRC).
The EFC application interface is the EFC application process interface to the DSRC application layer, as can be seen in Figure 1. This document comprises specifications of:
— EFC attributes (i.e. EFC application information) that can also…
Measurement of radioactivity in the environment — Air: aerosol particles — Test method using samplin...
This document provides guidance for
— the sampling process of the aerosol particles in the air using filter media. This document takes into account the specific behaviour of aerosol particles in ambient air (Annex B).
— Two methods for sampling procedures with subsequent or simultaneous measurement:
— the determination of the activity concentration of radionuclides bound to aerosol…