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This document specifies carbon usage effectiveness (CUE) as a key performance indicator (KPI) for quantifying the CO2 emissions of a data centre during the use phase of the data centre life cycle. CUE is a simple method for reporting the CO2 intensity of the data centre operating. By reporting CO2 emissions, it is possible to present the data centre's contribution to climate change (enhanced…

This document specifies conformance criteria for both bitstreams and decoders compliant with the MPEG-H 3D audio standard as defined in ISO/IEC 23008-3. This is done to assist implementers and to ensure interoperability.

This document specifies water usage effectiveness (WUE) as a key performance indicator (KPI) for quantifying the water consumption of a data centre during the use phase of the data centre life cycle. WUE is a simple method for reporting the water intensity of the data centre operating. By reporting water consumption, it is possible to present the data centre's resource effectiveness. This…

IEC 62325-451-8:2022 spécifie un paquetage UML (Unified Modelling Language) pour le processus métier de programmation de liaisons HVDC ainsi que les modèles contextuels de document, les modèles d'assemblage et les schémas XML associés à appliquer au sein des marchés de l'électricité de style européen. La présente partie de l'IEC 62325 s'appuie sur le modèle contextuel pour…

IEC TR 63259:2022(E) provides guidelines for the application of water cooling systems for power electronics used in electrical transmission and distribution systems. This document describes a kind of water cooling system, in which de-ionized water or de-ionized water mixed with other solutes is used as the heat transfer agent for the removal of heat from power electronic equipment. Water cooling…

IEC 62325-451-8:2022 specifies a UML package for the HVDC Link scheduling business process and its associated document contextual models, assembly models and XML schemas for use within the European style electricity markets. This part of IEC 62325 is based on the European style market contextual model (IEC 62325-351). The business process covered by this part of IEC 62325 is described in…

This document specifies water usage effectiveness (WUE) as a key performance indicator (KPI) for quantifying the water consumption of a data centre during the use phase of the data centre life cycle. WUE is a simple method for reporting the water intensity of the data centre operating. By reporting water consumption, it is possible to present the data centre's resource effectiveness. This…

This document specifies requirements for carbon steel wire of round cross-section supplied in the cold-draw condition intended for the manufacture of springs for bedding and seating used in the automotive and furniture manufacturing industries. This document is applicable to wire supplies in the uncoated condition, that is, without a metallic coating.

This document specifies the structure and properties of the Earth’s atmosphere from ground level upward. It provides internationally accepted empirical models that specify the details of the atmosphere. It also refers to widely-accepted physical models providing insight into the physical and chemical processes driving the response of the atmosphere.

This document specifies requirements and recommendations for the type of risk assessment to be employed concerning seismic activity and earthquakes in relation to data centres. In addition, it describes design concepts that can be employed as mitigation actions within the construction and other design elements of data centres.