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IEC/TS 62271-304

High-voltage switchgear and controlgear – Part 304: Classification of indoor enclosed switchgear and controlgear for rated voltages above 1 kV up to and including 52 kV related to the use in special service conditions with respect to condensation and pollution

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Organization: IEC
Publication Date: 1 March 2019
Status: active
Page Count: 58
ICS Code (High voltage switchgear and controlgear): 29.130.10
scope:

This part of IEC 62271, which is a Technical Specification, applies to indoor enclosed switchgear and controlgear complying with IEC 62271-200 and IEC 62271-201, intended to be used in special service conditions with respect to condensation and pollution deviating from the normal service conditions specified in IEC 62271-1.

The test detailed in this document has been designed primarily to classify the electrical insulation performance of equipment having high-voltage electrical insulation exposed to indoor service conditions, mainly in presence of condensation. The assessment of mechanical components, such as mechanisms, interlocks and enclosure is also considered.

In this document, the term "equipment" is used in accordance with the scope for an "enclosed assembly of switchgear and controlgear" (see IEC 60050-441:2000, 441-12- 02).

Document History

IEC/TS 62271-304
March 1, 2019
High-voltage switchgear and controlgear – Part 304: Classification of indoor enclosed switchgear and controlgear for rated voltages above 1 kV up to and including 52 kV related to the use in special service conditions with respect to condensation and pollution
This part of IEC 62271, which is a Technical Specification, applies to indoor enclosed switchgear and controlgear complying with IEC 62271-200 and IEC 62271-201, intended to be used in special...
IEC/TS 62271-304
January 1, 2010
High-voltage switchgear and controlgear – Part 304: Design classes for indoor enclosed switchgear and controlgear for rated voltages above 1 kV up to and including 52 kV to be used in severe climatic conditions CORRIGENDUM 1
This International Standard is applicable to high-voltage switchgear and controlgear (scope of IEC SC 17A) and assemblies thereof (scope of IEC SC 17C) and specifies equipment for digital...
IEC/TS 62271-304
May 1, 2008
High-voltage switchgear and controlgear – Part 304: Design classes for indoor enclosed switchgear and controlgear for rated voltages above 1 kV up to and including 52 kV to be used in severe climatic conditions
This International Standard is applicable to high-voltage switchgear and controlgear (scope of IEC SC 17A) and assemblies thereof (scope of IEC SC 17C) and specifies equipment for digital...

References

This document references:
IEC 62271-200 - High-voltage switchgear and controlgear – Part 200: AC metal-enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV
Published by IEC on October 1, 2011
This part of IEC 62271 specifies requirements for prefabricated metal-enclosed switchgear and controlgear for alternating current of rated voltages above 1 kV and up to and including 52 kV for indoor...
This document references:
IEC 60050-441 - International Electrotechnical Vocabulary Chapter 441: Switchgear, controlgear and fuses
Published by IEC on January 1, 1984
switchgear and controlgear A general term covering switching devices and their combination with associated control, measuring, protective and regulating equipment, also assemblies of such devices and...
This document references:
IEC 60060-1 - High-voltage test techniques – Part 1: General definitions and test requirements
Published by IEC on September 1, 2010
This part of IEC 60060 is applicable to: – dielectric tests with direct voltage; – dielectric tests with alternating voltage; – dielectric tests with impulse voltage; – dielectric tests with...
This document references:
IEC 60068-2-78 - Environmental testing – Part 2-78: Tests – Test Cab: Damp heat, steady state
Published by IEC on October 1, 2012
Scope and object This part of IEC 60068 establishes a test method for determining the ability of components or equipment to withstand transportation, storage and use under conditions of high...
This document references:
IEC 62271-200 - High-voltage switchgear and controlgear – Part 200: AC metal-enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV
Published by IEC on October 1, 2011
This part of IEC 62271 specifies requirements for prefabricated metal-enclosed switchgear and controlgear for alternating current of rated voltages above 1 kV and up to and including 52 kV for indoor...
This document references:
IEC 62271-201 - High-voltage switchgear and controlgear – Part 201: AC solid-insulation enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV
Published by IEC on March 1, 2014
This part of IEC 62271 specifies requirements for prefabricated solid-insulation enclosed switchgear and controlgear for alternating current of rated voltages above 1 kV and up to and including 52 kV...
This document is referenced by:
IEC 62271-111 - High-voltage switchgear and controlgear – Part 111: Automatic circuit reclosers for alternating current systems up to and including 38 kV
Published by IEC on February 1, 2019
This part of IEC 62271 applies to all overhead, pad-mounted, dry vault and submersible single or multi-pole alternating current automatic circuit reclosers for rated maximum voltages above 1 000 V...
This document is referenced by:
BS EN 62271-1 - High-voltage switchgear and controlgear Part 1: Common specifications for alternating current switchgear and controlgear
Published by BSI on November 30, 2017
A description is not available for this item.
This document is referenced by:
BS EN 62271-201 - High voltage switchgear and controlgear - Part 201: AC insulation-enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV
Published by BSI on July 31, 2014
A description is not available for this item.
This document is referenced by:
BS EN 62271-202 - High-voltage switchgear and controlgear Part 202: High voltage/low-voltage prefabricated substation
Published by BSI on June 30, 2014
A description is not available for this item.
This document is referenced by:
IEEE C37.60 - High-voltage switchgear and controlgear – Part 111: Automatic circuit reclosers for alternating current systems up to and including 38 kV
Published by IEEE on January 1, 2019
This part of IEC 62271 applies to all overhead, pad-mounted, dry vault and submersible single or multi-pole alternating current automatic circuit reclosers for rated maximum voltages above 1 000 V...
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