NR/SP/ELP/21033
Specification for the welding of transformer tanks and conservators during manufacture
Organization: | NR |
Publication Date: | 1 December 2005 |
Status: | active |
Page Count: | 12 |
scope:
This specification applies to new oil/synthetic liquid filled power transformers installed on the A.C. and D.C. Electrified Lines.
Purpose
This specification states the requirements for the control of welding, including supervision, materials, welding procedures, inspection, testing and also the approval of welders and operators, to achieve the appropriate quality level during the manufacture of power transformer tanks and conservators.
Document History

