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1.1 La norme porte sur les machines synchrones triphasées à pôles saillants et à courant alternatif de 150 kW et plus, de 200 à 13 800 volts et de 50 et 60 Hz. Elle facilite la vérification du maintien de l’efficacité d’une machine. Note : Cette norme peut s’avérer utile et elle peut être appliquée avec discrétion dans le cas de produits qui ne font pas partie du domaine d’application de la norme…

This part of IEC 61000, which is informative in its nature, provides guidance on principles that can be used as the basis for determining the requirements for the connection of disturbing installations to low voltage (LV) public power systems. For the purposes of this part of IEC 61000, a disturbing installation means an installation (which may be a load or a generator) that produces disturbances…

ISO 19901-8:2014 specifies requirements, and provides recommendations and guidelines for marine soil investigations regarding: a) objectives, planning and execution of marine soil investigations; b) deployment of investigation equipment; c) drilling and logging; d) in situ testing; e) sampling; f) laboratory testing; and g) reporting. Rock materials are only covered by ISO 19901-8:2014 to…

IEC 60335-2-90:2015 deals with<br /> - the safety of microwave ovens with a cavity door intended for commercial use, their rated voltage being not more than 250 V for single-phase appliances connected between one phase and neutral and 480 V for other appliances;<br /> - the safety of combination microwave ovens with a cavity door, the requirements for which are contained in Annex AA;…

IEC 60335-2-90:2015 deals with - the safety of microwave ovens with a cavity door intended for commercial use, their rated voltage being not more than 250 V for single-phase appliances connected between one phase and neutral and 480 V for other appliances; - the safety of combination microwave ovens with a cavity door, the requirements for which are contained in Annex AA; - the safety of…

L'IEC 60335-2-90:2015 traite de la sécurité: - des fours à micro-ondes à usage commercial avec une porte de cavité dont la tension assignée n'est pas supérieure à 250 V pour les appareils monophasés raccordés entre phase et neutre et 480 V pour les autres appareils; - des fours à micro-ondes combinés avec une porte de cavité, dont les exigences sont contenues à l'Annexe AA; -…

IEC TR 61000-4-38:2015(E) defines a test protocol for flicker test systems designed to perform compliance tests in accordance with IEC 61000-3-3 and IEC 61000-3-11. It is intended to provide test system manufacturers and testing laboratories with systematic methods to determine if the flicker test system meets the IEC design specifications for a wide range of voltage fluctuations and fluctuation…

ISO 15156-1:2015 describes general principles and gives requirements and recommendations for the selection and qualification of metallic materials for service in equipment used in oil and gas production and in natural-gas sweetening plants in H2S-containing environments, where the failure of such equipment can pose a risk to the health and safety of the public and personnel or to the environment…

ISO 15156-2:2015 gives requirements and recommendations for the selection and qualification of carbon and low-alloy steels for service in equipment used in oil and natural gas production and natural gas treatment plants in H2S-containing environments, whose failure can pose a risk to the health and safety of the public and personnel or to the environment. It can be applied to help to avoid costly…

ISO 15156-3:2015 gives requirements and recommendations for the selection and qualification of CRAs (corrosion-resistant alloys) and other alloys for service in equipment used in oil and natural gas production and natural gas treatment plants in H2S-containing environments whose failure can pose a risk to the health and safety of the public and personnel or to the environment. It can be applied…