Salient Technical Features

 

"Salient Technical Features of the equipment / systems / services covered in IFB No. 40022133 are mentioned below. These Salient Technical Features are mentioned only to facilitate the prospective bidders to prima-facie understand the requirements under the tender and shall not in any way limit or alter the scope of work and technical features / specification of equipment / systems / services covered in the Bidding Documents. Detailed provisions in regard of scope of work and technical features / specification of equipment / system / services, contained in the Bidding Documents shall be final and binding".

 

   Salient Features:-

 

'765 kV Class Power Transformers Package' covers design, engineering, manufacture, supply, testing at works, short circuit testing, transportation to Darlipalli site, inplant transportation, receipt, handling and storage at site, erection and commissioning of various Transformers & Reactors and inclusive of necessary tools and tackles and supply of mandatory spares & maintenance equipments and 5% extra transformer/reactor oil & scope defined in bidding documents of 765 kV class Power Transformers Package. The bill of material is following:-

 

Bill of Quantity for DARLIPALLI STPP-I (2 x 800 MW)

765 KV CLASS POWER TRANSFORMERS PACAKGE

Sr.   No.

Equipment Name

Rating

Quantity

 

1.              

Generator Transformer (GT)

315 MVA, 23.5/765 KV,1-phase with OCTC

                         √3

7 Nos.

2.              

Tie Transformer (TT)

85 MVA, 765/132 KV,1-phase with OLTC

                √3   √3

7 Nos.

3.              

Shunt Reactor

80 MVAr , 1-ph. , 800 KV Class

4 Nos.

4.              

NGR for Shunt Reactor

As specified

1 No.

5.              

Surge Arrester  for Shunt Reactor

As specified

1 No.

6.              

Measuring Kits

 

a.    On Line DGA Analyzer

Online monitoring system of dissolved gases. (H2, CO, C2H2 & C2H4) for GT's , TT's & Shunt Reactors

18 No.

b.    On Line Moisture Removal System

One for each 3-phase GT Bank

 

2 No.

7.              

Hydraulic jacking system

(includes minimum four jacks, hydraulic system and associated piping etc.)

Suitable for lifting/wheel rotation for Heaviest oil filled Transformer, Reactor in scope.

1 No.

8.              

Spare Trans. Oil

As specified

5%(by vol.)

9.              

Mandatory Spares

As specified

LOT