Life extension guidelines for HVDC converter stations
IEC TR 63463:2024 provides guidelines for the general procedure for performing life assessment for an HVDC converter station. Following this, a more detailed description of performance issues of the thyristor based HVDC systems is given and the life assessment measures of equipment and guidelines for accessing the techno-economic life of equipment are given. This document also deals with…
Microgrids - Part 3-2: Technical requirements - Energy management systems
IEC TS 62898-3-2:2024 provides technical requirements for the operation of energy management systems of microgrids. This document applies to utility-interconnected or islanded microgrids. This document describes specific recommendations for low-voltage (LV) and medium-voltage (MV) systems.
This document focuses on developing standards of energy management systems aimed for microgrids integrated…
Wearable electronic devices and technologies - Part 402-3: Performance measurement of fitness wearab...
IEC 63203-402-3:2024 specifies terms, a measurement protocol, and a test to evaluate the accuracy of wearables that measure heart rate with a photoplethysmography (PPG) sensor. While this document can be used to measure a variety of different devices claiming to report heart rate, care will be taken when testing in countries that differentiate between heart rate and pulse rate. This measurement…
Technologies et dispositifs électroniques prêts-à-porter - Partie 402-3: Mesurage de l'aptitude...
L'IEC 63203-402-3:2024 spécifie la terminologie, un protocole de mesure et un essai pour évaluer l'exactitude des technologies et dispositifs électroniques qui mesurent la fréquence cardiaque au moyen d'un capteur de photopléthysmogramme (PPG). Même si le présent document peut être utilisé pour mesurer une large gamme de dispositifs différents réputés capables de mesurer la…
Gaseous fire-extinguishing systems — Physical properties and system design — Part 5: FK-5-1-12 extin...
This document contains specific requirements for gaseous fire-extinguishing systems, with respect to FK-5-1-12 extinguishant. It includes details of physical properties, specifications, usage and safety aspects.
This document is applicable only to systems operating at nominal pressures of 25 bar, 34,5 bar, 42 bar and 50 bar[1] with nitrogen propellant. This does not preclude the use of other…
Traditional Chinese medicine — Rehmannia glutinosa root
This document specifies the requirements and test methods for dried Rehmannia glutinosa root that is derived from Rehmannia glutinosa Libosch.
Fresh Rehmannia glutinosa Libosch. and processed Rehmannia glutinosa Libosch. are excluded.
This document is applicable to Rehmannia glutinosa root that is sold and used as a natural medicine in international trade, including Chinese materia medica (whole…
