Cast aluminium alloy enclosures for gas-filled high-voltage switchgear and controlgear

Designation Number:
C50052
Standard Type:
National Standard of Canada - Adoption of International Standard
Standard Development Activity:
New Edition
ICS code(s):
29.130
Status:
Proceeding to development
SDO Comment Period Start Date:
SDO Comment Period End Date:
Posted On:

Scope:

This Standard applies to cast aluminium alloy enclosures pressurized with dry air, inert gases, eg. sulphur hexafluoride, carbon tetrafluoride, or nitrogen or a mixture of such gases, used in indoor or outdoor installations of high-voltage switchgear and controlgear, where the gas is used principally for its di electric and/or arc-quenching properties, with rated voltages (1) 1 kV and up to and including 52 kV and with gas-filled compartments with design pressure greater than 3 bar (gauge); and (2) 72.5 kV and above. 

The enclosures comprise parts of electrical equipment not necessarily limited to the following examples: 

  • Circuit-breakers
  • Switch-disconnectors
  • Disconnectors
  • Earthing switches
  • Current transformers
  • Voltage transformers
  • Surge arresters
  • Busbars and connections 

The scope also covers pressurized components such as the center chamber of live tank switchgear, gas-insulated current transformers, etc.

Project need:

To maintain alignment with CENELEC international requirements (new 2016 edition of adoption). This proposed New Edition is being developed at the request of the Technical Committee on Switchgear and Controlgear (C128). It will provide the industry with latest international requirements.

Note: The information provided above was obtained by the Standards Council of Canada (SCC) and is provided as part of a centralized, transparent notification system for new standards development. The system allows SCC-accredited Standards Development Organizations (SDOs), and members of the public, to be informed of new work in Canadian standards development, and allows SCC-accredited SDOs to identify and resolve potential duplication of standards and effort.

Individual SDOs are responsible for the content and accuracy of the information presented here. The text is presented in the language in which it was provided to SCC.