High-voltage direct current (HVDC) systems - Guidance to the specification and design evaluation of ...
IEC TR 62001-4:2021 is available as IEC TR 62001-4:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC TR 62001:2021, which is a Technical Report, provides guidance on the basic data of AC side filters for high-voltage direct current (HVDC) systems and their components such as ratings, power…
High-voltage direct current (HVDC) systems - Guidance to the specification and design evaluation of ...
IEC TR 62001-4:2021 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 TR 62001:2021, which is a Technical Report, provides guidance on the basic data of AC side filters for high-…
Household and similar electrical appliances - Safety - Part 2-74: Particular requirements for portab...
IEC 60335-2-74:2021 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 60335-2-74:2021 deals with the safety of portable electric immersion heaters for household and similar…
Guidelines for combining different single-mode fibre sub-categories
IEC TR 62000:2021 is available as IEC TR 62000:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC TR 62000:2021 provides guidelines concerning single-mode fibre inter-compatibility. A given category of single-mode fibre, for example B-655, can have different implementations by suitably…
Guidelines for combining different single-mode fibre sub-categories
IEC TR 62000:2021 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 TR 62000:2021 provides guidelines concerning single-mode fibre inter-compatibility. A given category of single-…
Digital audio interface - Part 3: Consumer applications
IEC 60958-3:2021 is available as IEC 60958-3:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 60958-3:2021 specifies the consumer application of the interface for the inter-connection of digital audio equipment defined in IEC 60958-1. IEC 60958-3:2021 cancels and replaces the third edition…
Digital audio interface - Part 3: Consumer applications
IEC 60958-3:2021 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 60958-3:2021 specifies the consumer application of the interface for the inter-connection of digital audio…
CSA C22.2 No. 62031:21 LED modules for general lighting — Safety specifications -- CSA C22.2 nº 6203...
1 Scope
1.1
This Standard specifies general and safety requirements for
a) non-integrated light-emitting diode (LED) modules (LEDni modules) and semi-integrated LED
modules (LEDsi modules) for operation under constant voltage, constant current, or constant
power; and
b) integrated LED modules (LEDi modules) for use on dc supplies up to 250 V or ac supplies up to
600 V.
LED modules within…
Measurement of quartz crystal unit parameters - Part 6: Measurement of drive level dependence (DLD)
IEC 60444-6:2021 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 60444-6:2021 applies to the measurements of drive level dependence (DLD) of quartz crystal units. Two test…
IEC 60958-1:2021 is available as IEC 60958-1:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 60958-1:2021 describes a serial, uni-directional, self-clocking interface for the interconnection of digital audio equipment for consumer and professional applications. It provides the basic…
