Name of Work: Operation and Comprehensive maintenance of transformer Substation and EA Sets in Haddows Road,ChennaiTE for the year 2025-26 (SW:-Replacement of CT and PT for MD reduction )
Sl. No.
Item Description
1
SITC of11 KV indoor Resin Cast dual ratio current transformer of the following specification in existing RMG panel as per the requirement of TANGEDCO i/c obtaining test certificate from MRT, removal of existing old CT\"s and arranging shut down by co ordinating with the TNEB i/c alteration of bus bars etc as required for Reduction of CMD from 870 KVA to 630KVA etc. as reqd. (Both metering & protection core shall be in single unit)
2
CT for Metering Core :CT Ratio: 40/5 A, class 0.2s, Burden 5VA
3
CT for Protection Core : Protection Core :- ratio 40/5A,5P20, Burden15VA
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All the above
5
SITC of 11 KV , indoor 3 phase Resin CastPotential transformerof the following specification in existing RMG panel along 11 KV HT fuse -3 nos suitable for existing RMG panel as per the requirement of TANDEDCO i/c obtaining test certificates from MRT, removal of old PT\"s and interconnections and modification of bus bars if required etc as reqd.
6
PT Ratio :11KV/√3/110V/√3, Class:0.2, Burden :15VA
7
Note: 1. CT & PT shall be of above specifications, suitable to existing HT panel andshall be of TANGEDCO approved make 2. Co-ordination for shut down & other activities such as testing of CT/PT and submission of reports. Liaisoning etcare to be carried out by the firmwithoutany extra cost
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