Assessment of power quality - Characteristics of electricity supplied by public networks
IEC TS 62749:2020 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC TS 62749:2020 specifies the expected characteristics of electricity at the SUPPLY TERMINALS of public low,…
Information technology - Generic cabling for customer premises - Part 9906: Balanced 1-pair cabling ...
ISO/IEC TR 11801-9906:2020(E) covers channel specifications, for channels constructed from balanced 1 pair cabling components, primarily intended for use in industrial automation and process control applications.
The channel specifications are consistent with corresponding IEEE 802.3 single-pair Ethernet (SPE) applications and are referenced from link segment specifications in the following IEEE…
Communication networks and systems for power utility automation - Part 7-3: Basic communication stru...
IEC 61850-7-3:2010+A1:2020 is applicable to the description of device models and functions of substations and feeder equipment. It specifies constructed attribute classes and common data classes related to substation applications. In particular, it specifies common data classes for status information, common data classes for measured information, common data classes for control, common data…
Validation method for fire gas analysis — Part 3: Considerations related to interlaboratory trials
This document describes tools and gives guidance concerning interlaboratory trials related to fire effluent analyses. It explains the relative contributions from the physical fire model and analytical techniques to evaluate trueness and fidelity. It also explains the difficulties involved with the interpretation of round-robin data and with the evaluation of trueness in fire effluent analyses.…
Reliability of industrial automation devices and systems - Part 1: Assurance of automation devices r...
IEC 63164-1:2020(E) provides guidance on the assurance of reliability data of automation devices. If the source of this data is calculation, guidance is given on how to specify the methods used for this calculation. If the source is from observation of devices in the field, guidance is given on how to describe these observations and their evaluations. If the source is the outcome of laboratory…
Primary batteries - Part 6: Guidance on environmental aspects
IEC 60086-6:2020 applies to all chemistries of portable primary cells and batteries standardized in the 60086 series.
The purpose of this document is to provide guidance on the proper scientific protocols for testing the environmental performance of batteries; the symbols used to convey messages for collection, recycling, or other ideas; and the aspects and functional unit(s) to be included in…
Electrical installations in ships – Part 354: Single- and three-core power cables with extruded soli...
IEC 60092-354:2020 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 60092-354:2020 is applicable to shipboard and offshore power cables with extruded solid insulation, conductor…
Electrical installations in ships – Part 354: Single- and three-core power cables with extruded soli...
IEC 60092-354:2020 is applicable to shipboard and offshore power cables with extruded solid insulation, conductor and core screening, having a voltage rating of one of the following: 3,6/6 (7,2) kV,6/10 (12) kV, 8,7/15 (17,5) kV, 12/20 (24) kV, 18/30 (36) kV. The cables are intended for fixed installations. The various types of power cables are given in 5.1. The constructional requirements and…
Molecularly oriented polyvinylchloride (PVCO) pipe for pressure applications
1 Scope
1.1
This Standard covers molecularly oriented polyvinylchloride (PVCO) pipe intended for use in pressure applications such as water mains, sewer force mains, and process piping.
Note: This Standard does not address chemical compatibility between PVCO pipe and process fluids. Where PVCO pipe is to be used in non-water applications, the manufacturer should be consulted.
1.2
PVCO…