NR/SP/ELP/21018
Specification of Indoor Switchgear for 11, 22 & 33 kV Distribution Systems for D.C. Traction Substations
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| Organization: | NR |
| Publication Date: | 1 December 2005 |
| Status: | inactive |
| Page Count: | 29 |
scope:
This specification applies to all new indoor 12 kV, 24 kV and 36 kV rated a.c. switchgear installed on the D.C. Electrified Lines.
Purpose
This specification states the requirements for the design, manufacture and testing of indoor 12 kV, 24 kV and 36 kV rated a.c. switchgear for use in d.c. traction substations. The switchgear is used to control, protect and distribute three phase a.c. electrical supplies at a nominal system voltage of 11 kV, 22 kV and 33 kV respectively.
The document is to be read in conjunction with the relevant procurement specification.
Document History
NR/SP/ELP/21018
December 1, 2005
Specification of Indoor Switchgear for 11, 22 & 33 kV Distribution Systems for D.C. Traction Substations
This specification applies to all new indoor 12 kV, 24 kV and 36 kV rated a.c. switchgear installed on the D.C. Electrified Lines.
Purpose
This specification states the requirements for the design,...
August 1, 1996
Indoor Switchgear for 11, 22 & 33 KV Distribution Systems for DC Traction Substations
This specification applies to all new indoor 12 kV, 24 kV and 36 kV rated a.c. switchgear installed on the D.C. Electrified Lines.
Purpose
This specification states the requirements for the design,...