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NR/L3/ELP/27240/NR/DISC4E

Routine Maintenance of 25kv Auxiliary Transformers

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Organization: NR
Publication Date: 5 December 2020
Status: active
Page Count: 6
scope:

Includes: This instruction covers the routine maintenance of 25 kV Auxiliary Transformers located at signal supply points (i.e. PSP, ASP, etc..).

Excludes: Voltage Regulators (these are covered in NR/DIST C07a)

Document History

NR/L3/ELP/27240/NR/DISC4E
December 5, 2020
Routine Maintenance of 25kv Auxiliary Transformers
Includes: This instruction covers the routine maintenance of 25 kV Auxiliary Transformers located at signal supply points (i.e. PSP, ASP, etc..). Excludes: Voltage Regulators (these are covered in...
NR/L3/ELP/27240/NR/DISC4E
March 1, 2017
Routine Maintenance of Auxiliary Transformers
Includes: This instruction covers the routine maintenance of Auxiliary Transformers located at signal supply points and OCB buildings. Excludes:

References

This document references:
NR/L3/ELP/21067 - Instructions for Making Out, Issuing and Cancelling High Voltage Permits to Work, Sanctions for Test & Circuit State Certificates (aka NR/SP/ELP/21067)
Published by NR on December 3, 2011
This Network Rail standard specifies instructions for the making out, issuing and cancelling of Permits to Work, Sanctions for Test and Circuit State Certificates for work on high voltage equipment....
This document references:
NR/L3/ELP/27240/NR/DISC4C - Instruction for Testing and Maintenance of Transformer and Switchgear Insulating Oil
Published by NR on June 1, 2017
Includes: Group 1: Transformers (high priority) e.g. grid transformers, including the selector tanks of on-load tap changers and isolating transformers. Group 2: Transformers (low priority) e.g....
This document references:
NR/L3/MTC/RCS0216/DP01 - Risk Control Manual: Working on or Near High Voltage Non-Traction Distribution Equipment
Published by NR on March 7, 2020
A description is not available for this item.
This document references:
NR/L3/MTC/RCS0216/DP10 - Risk Control Manual: Working on Low Voltage Electrical Equipment
Published by NR on March 3, 2018
A description is not available for this item.
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