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L’IEC 60034-27-4:2018 fournit des procédures d’essai recommandées pour la mesure de la résistance d’isolement et de l’index de polarisation de l’isolation des enroulements de stator et de rotor des machines électriques tournantes. Ce document recommande des valeurs minimales acceptables pour la résistance d’isolement et l’index de polarisation de l’isolation d’enroulement, applicables pour des…

<!-- NEW -->IEC 60068-3-5:2018 is now available as IEC 60068-3-5:2018 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.<br /> <br /> IEC 60068-3-5:2018 provides a uniform and reproducible method of confirming that temperature test chambers, without specimens, conform to the…

<!-- NEW -->IEC 60068-3-6:2018 is available as <a href="https://webstore.iec.ch/publication/62533">IEC 60068-3-6:2018 RLV</a> which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.<br /> <br /> IEC 60068-3-6:2018 provides a uniform and reproducible method of…

IEC 60191-1:2018(E) gives guidelines on the preparation of outline drawings of discrete devices, including discrete surface-mounted semiconductor devices with lead count less than 8. This edition includes the following significant technical changes with respect to the previous edition: a) the Scope has been extended to include surface-mounted semiconductor devices with a lead count less than 8; b…

IEC 60068-3-5:2018 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition. IEC 60068-3-5:2018 provides a uniform and reproducible method of confirming that temperature test chambers, without…

IEC 60068-3-6:2018 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition. IEC 60068-3-6:2018 provides a uniform and reproducible method of confirming that temperature and humidity test…

IEC TR 62351-90-1:2018(E) addresses the handling of access control of users and automated agents to data objects in power systems by means of role-based access control (RBAC) as defined in IEC TS 62351-8. The main focus of this document lies in developing a standardized method for defining and engineering custom roles, their role-to-right mappings and the corresponding infrastructure support…

IEC TS 63064:2018(E) This document gives guidance and basic principles on how to design graphical symbols for diagrams for standardization and inclusion in IEC 60617. This document does not specify how to apply such graphical symbols in the diagrams.

IEC 61511-0:2018(E) provides an overview of the other three parts of IEC 61511 Functional safety - safety instrumented systems for the process industry sector. There are many hazards in process industries that can lead to loss of containment, resulting in an impact on health, safety, environment and plant assets. Process safety is best achieved by using inherently safe processes. However, when…

IEC 60068-3-5:2018 provides a uniform and reproducible method of confirming that temperature test chambers, without specimens, conform to the requirements specified in climatic test procedures of IEC 60068-2 (all parts) and other standards. This document is intended for users when conducting regular chamber performance monitoring. This second edition cancels and replaces the first edition…