Communication networks and systems for power utility automation - Part 90-7: Object models for power...
IEC TR 61850-90-7:2023, which is a Technical Report, describes functions for power converter-based distributed energy resources (DER) systems, focused on DC-to-AC and AC-to-AC conversions and including photovoltaic systems (PV), battery storage systems, electric vehicle (EV) charging systems, and any other DER systems with a controllable power converter. The functions defined in this document…
Innovation management — Tools and methods for managing opportunities and ideas — Guidance
This document provides guidance on managing opportunities and ideas by:
— explaining the reasons for and the value of managing ideas effectively;
— describing how to prepare for front end innovation activities;
— addressing people and organization issues, including innovation leadership, culture and strategy;
— detailing innovation activities and their interrelationships;
— …
Telecommunications and information exchange between systems — Wireless LAN access control — Part 2: ...
This document defines the function, interfaces (IFs), and operating mechanism of CADP and defines the AP association, cloud AC switchover, cloud AC backup and CADP hot backup methods. This document applies to public wireless local area network (WLAN) networking scenarios.
Telecommunications and information exchange between systems - Wireless LAN access control - Part 2: ...
This document defines the function, interfaces (IFs), and operating mechanism of CADP and defines the AP association, cloud AC switchover, cloud AC backup and CADP hot backup methods. This document applies to public wireless local area network (WLAN) networking scenarios.
Security and resilience — Authenticity, integrity and trust for products and documents — Specificati...
This document defines the conditions necessary for the interoperable deployment of visible digital seals (VDSs). It describes the structure, possible forms of representation, production process and verification process applicable to VDSs, for any type of document or object to which they relate.
This document does not establish requirements for users that issue and verify documents or for users…
Rolling bearings — Radial bearings — Geometrical product specifications (GPS) and tolerance values
This document specifies dimensional and geometrical characteristics, deviation limits from nominal sizes, and tolerance values to define the interface (except chamfers) of radial rolling bearings. Nominal boundary dimensions are defined in ISO 15, ISO 355[2] and ISO 8443[4].
This document does not apply to certain radial bearings of particular types (e.g. needle roller bearings) or for particular…
Rolling bearings — Thrust bearings — Geometrical product specifications (GPS) and tolerance values
This document specifies dimensional characteristics, deviation limits from nominal values, and tolerance values to define the interface (except chamfers) of thrust rolling bearings. Nominal boundary dimensions are defined in ISO 104[1].
This document is not applicable to certain thrust bearings (e.g. thrust needle roller bearings) or for particular fields of application (e.g. special thrust…
This standard applies to precast reinforced concrete sewer maintenance holes, catch basins, valve chambers and pumping stations intended for use to a maximum depth of 7 m in sanitary sewer systems, combined sewer systems, storm sewer and drinking water systems.
NOTE — Even if they are not mentioned in the scope of this standard, certain elements described in this standard may be used in water…
Fibre optic sensors - Part 1-2: Strain measurement - Distributed sensing based on Brillouin scatteri...
IEC 61757-1-2: 2023 defines detailed specifications for distributed strain measurements with a fibre optic sensor, also known as "fibre optic distributed strain sensing". It is applicable to distributed strain sensing systems (DSS) based on spontaneous or stimulated Brillouin scattering in the optical fibre sensor (strain sensitive element), that is, to sensors capable of measuring…