Electrical relays – Tests and measurements – Part 18: Thermal resistance of the coil
IEC 63522-18:2025 This part of IEC 63522 is used for testing along with the appropriate severities and conditions for measurements and tests designed to assess the ability of DUTs to perform under expected conditions of transportation, storage and all aspects of operational use. The object of this test is to determine the thermal resistance of the relay coil.
Electrical relays - Tests and measurements - Part 5: Insulation resistance
IEC 63522-5:2025 This part of IEC 63522 is used for testing all kinds of electrical relays and for evaluating their ability to perform under expected conditions of transportation, storage and all aspects of operational use.
This document defines a standard test method for insulation resistance.
Electrical energy storage (EES) systems – Part 3-200: Planning and performance assessment of electri...
IEC TR 62933-3-200:2025 presents an overview and design cases of electrochemical based EES systems in power generation side, transmission and distribution side, and customer side. Furthermore, design principles for electrochemical based EES systems such as sizing and selection of subsystem, integration scheme, site and layout, and system safety measures are provided. Furthermore, design…
Software and systems engineering - Capabilities of build and deployment tools
This document defines the requirements for capabilities of build and deployment tools to support and automate building, packaging, and deploying work.
This document is intended for use in evaluating and selecting build and deployment tools according to the procedures defined in ISO/IEC 20741.
This document is applicable to different development methodologies and approaches (e.g. Waterfall, Agile…
Synthetic organic esters - Guidelines for maintenance and use in electrical equipment
IEC 61203:2025 This document provides procedures and supervision for the use and maintenance of synthetic esters in transformers and other electrical equipment. This document includes recommendations on tests and evaluation procedures and outlines methods for reconditioning and reclaiming the liquid, when necessary