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AS 62271.200:2019

Current
Current

The latest, up-to-date edition.

High-voltage switchgear and controlgear AC metal-enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV (IEC 62271-200:2011/COR1:2015, MOD)
Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English

Published date

22-11-2019

Preview

The objective of this Standard is to specify requirements for prefabricated metal-enclosed switchgear and controlgear for the following: (a) Alternating current of rated voltages above 1 kV and up to and including 52 kV for indoor and outdoor installation. (b) Service frequencies up to and including 60 Hz.

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 and outdoor installation, and for service frequencies up to and including 60 Hz. Enclosures may include fixed and removable components and may be filled with fluid (liquid or gas) to provide insulation.
NOTE 1 For the use of this document high-voltage (IEC 60050-601:1985, 601-01-27) is the rated voltage above 1 000 V. However, medium voltage (IEC 60050-601:1985, 601-01-28) is commonly used for distribution systems with voltages above 1 kV and generally applied up to and including 52 kV; refer to [1] of Bibliography
NOTE 2 Although primarily dedicated to three-phase systems, this standard can also be applied to single-phase or two-phase systems.
This standard defines several categories of metal enclosed switchgear and controlgear which differ due to
– the consequences on network service continuity in case of maintenance on the switchgear and controlgear;
– the need and convenience of maintenance of the equipment.
NOTE 3 Safety of an installation results from the design, implementation and coordination of products, installations and operations.
For metal-enclosed switchgear and controlgear containing gas-filled compartments, the design pressure is limited to a maximum of 300 kPa (relative pressure).
NOTE 4 Gas-filled compartments having a design pressure exceeding 300 kPa (relative pressure) should be designed and tested in accordance with IEC 62271-203; refer to [6] of Bibliography.
Metal-enclosed switchgear and controlgear for special use, for example, in flammable atmospheres, in mines or on board ships, may be subject to additional requirements.
Components contained in metal-enclosed switchgear and controlgear are to be designed and tested in accordance with their various relevant standards. This standard supplements the standards for the individual components regarding their installation in switchgear and controlgear assemblies.
This standard does not preclude that other equipment may be included in the same enclosure.
In such a case, any possible influence of that equipment on the switchgear and controlgear is to be taken into account.
NOTE 5 Switchgear and controlgear assemblies having an insulation enclosure are covered by IEC 62271-201.
NOTE 6 Metal-enclosed switchgear and controlgear for rated voltages above 52 kV insulated by ambient air may be covered by this standard taking into account the insulation levels of IEC 62271-1.

Committee
EL-007
DocumentType
Standard
ISBN
978 1 76072 636 2
Pages
82
ProductNote
Modifies IEC 62271-200:2011/COR1:2015.
PublisherName
Standards Australia
Status
Current
Supersedes

Originated as AS 2086—1977.
Previous edition 1995.
Revised and designated AS 62271.200—2005.
Second edition 2019. Originated as AS 2086-1977. Previous edition 1995. Revised and designated AS 62271.200-2005. Second edition 2019.

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