Communication networks and systems for power utility automation - Part 7-420: Basic communication st...
IEC 61850-7-420:2021 defines the IEC 61850 information models to be used in the exchange of information with distributed energy resources (DER) and Distribution Automation (DA) systems. DERs include distribution-connected generation systems, energy storage systems, and controllable loads, as well as facility DER management systems, including aggregated DER, such as plant control systems, facility…
Information technology — Data centre facilities and infrastructures — Part 3: Power distribution
This document addresses power supplies to, and power distribution within, data centres based upon the criteria and classifications for “availability”, “physical security” and “energy efficiency enablement” within ISO/IEC 22237‑1.
This document specifies requirements and recommendations for the following:
a) power supplies to data centres;
b) power distribution systems to all equipment within data…
Information technology — Data centre facilities and infrastructures — Part 1: General concepts
This document:
a) describes the general principles for data centres upon which the requirements of the ISO/IEC22237 series are based;
b) defines the common aspects of data centres including terminology, parameters and reference models (functional elements and their accommodation) addressing both the size and complexity of their intended purpose;
c) describes general aspects of the facilities and…
Information technology - Data centre facilities and infrastructures - Part 1: General concepts
This document:
a) describes the general principles for data centres upon which the requirements of the ISO/IEC22237 series are based;
b) defines the common aspects of data centres including terminology, parameters and reference models (functional elements and their accommodation) addressing both the size and complexity of their intended purpose;
c) describes general aspects of the facilities and…
Information technology - Data centre facilities and infrastructures - Part 3: Power distribution
This document addresses power supplies to, and power distribution within, data centres based upon the criteria and classifications for “availability”, “physical security” and “energy efficiency enablement” within ISO/IEC 22237‑1.
This document specifies requirements and recommendations for the following:
a) power supplies to data centres;
b) power distribution systems to all equipment within data…
General requirements for lighting systems - Safety
IEC TS 63117:2021(E) specifies the safety requirements of lighting systems at the system level, applicable when designing a lighting system.
A lighting system comprises a set of products. Safety requirements of the products are not covered in this document, but specified in product safety standards.
NOTE For emergency lighting systems, national or regional regulations provide relevant…
1 Scope
1.1
The CSA O80 Series of Standards specifies requirements related to the preservation and fire retardance of wood through chemical treatment (pressure and thermal impregnation). The subjects covered include materials and their analysis, pressure and thermal impregnation procedures, and fabrication and installation to put treated wood into service.
1.2
This Standard lists reference…
1 Scope
1.1
This Standard specifies requirements for the design and performance of complete active fall-protection systems, including travel-restraint and vertical and horizontal fall-arrest systems. This Standard is intended for engineers with expertise in designing fall-protection systems.
1.2
This Standard does not specify design or performance requirements for fall-arrest equipment or…
Intelligent transport systems — Lower layer protocols for usage in the European digital tachograph
This document specifies communication requirements in support of the Smart Digital Tachograph (SDT) as identified by Regulation 2016/799 of the European Union[23].
The specification covers:
— the physical layer at 5,8 GHz for SDT communications (SDTC);
— the data link layer (DLL) of SDTC;
— the application layer of SDTC;
— SDTC profiles which provide coherent sets of communication…
1 Scope
1.1 Application
This Code applies to the installation, inspection, repair, and maintenance of the fuel storage and delivery system installed in powered industrial truck applications and vehicles for use with compressed natural gas (CNG). This includes fuel systems on self-propelled vehicles for the provision of motive power.
Federal or provincial regulatory requirements might supersede…