Salient Technical Features

Salient Features:-

Salient Technical Features of the equipment / systems / services covered in the IFB no. CS-9549-501-2 are mentioned below. These Salient Technical Features are mentioned only to facilitate the prospective bidder 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/system/services covered in the bidding documents. Detailed provisions in regard of scope of work and technical features/specification of equipment/system/services covered in the bidding documents shall be final and binding.

‘EHV & HV Power Transformers Package’ covers design, engineering, manufacture, supply, testing at works, short circuit testing, transportation to site, in plant transportation, receipt, handling and storage at site, erection and commissioning of various Transformers and inclusive of necessary tools and tackles and supply of mandatory spares & Maintenance equipment and 5% extra transformer oil.

The bill of material is following:-

Biillll ofQuantiityforDARLIPALISTPP-I (2 x 800 MW)

EHV&HVPOWERTRANSFORMERS PACAKGE

Sr.. No..

Equiipment Name

Rating

Quantiity

 

 

 

(To be

 

 

 

tendered)

1..

Stattion Transformer (ST)

110/55/55MVA,, 132/11..5/11..5kV with

2 Nos..

 

 

OLTC (±10%)

 

2..

Misc..Service Transformer

31..5 MVA,, 132/34..5 witth OLTC (±10%)

2 Nos..

 

(MST)

 

 

3..

MUW Transformer

7..5MVA,, 132//11..5 with OCTC (±5%)

2 Nos..

 

(MUWT)

 

 

4..

Unit Transformer(UT)

45 MVA,, 23..5//11..5kVwith OLTC(±10%)

4 Nos..

5..

Measuring Kits

 

 

 

 

a..

Oil BDV

Automaticoiltesttiing unit forchecking

1 No..

 

 

Measurementt kit..

BDVofttransformer oiluptto 80kV..

 

 

 

 

 

 

 

 

b..

Dielecttric Response

 

-

1 No..

 

 

Analyzer

 

 

 

 

 

 

 

 

 

c..

Oil tan deltaand

Suiitablefor measurement of Volume

1 No..

 

 

resistivitty

resisttiivity,,Dii-electric constant,,Watt loss,,

 

 

 

measurement kitt..

loss facttorwith elevated temperature read

 

 

 

 

outt fortransformer oiill..

 

 

d..

Dew poiint

 

 

1 No..

 

 

measurement

 

 

 

 

 

instrumentt..

 

 

 

 

e..

FRA Test Kit

 

 

1 No..

 

 

 

 

 

 

f..

Capacitance&tan

0-10kV (Fully Auttomatic)

1 No..

 

 

delta measuring

 

 

 

 

 

equipment (wiith

 

 

 

 

 

cables etc..)

 

 

 

 

g..

Transformers turns

Displlay of rattiio & phaseangledeviattiion..

1 No..

 

 

rattiio (TTR) Kit

 

 

 

 

 

 

 

 

 

 

h..

Winding resiistance

 

 

1 No..

 

 

measurement KIT

 

 

 

 

 

 

 

 

6..

Oiill Purifying Equiipment

10

KL/ hr..

1 No..

 

 

 

 

 

7..

Oiill Purifying Equiipment

1..0

KL/ hr..

1 No..

Sr.. No..

Equiipment Name

Rating

Quantiity

 

 

 

(To be

 

 

 

tendered)

8..

Vacuumpump witth mottor

Free aiirdisplacementt of3040L/miin,,

1 No..

 

 

Ultimatepressureof0..7PA & Blankoff

 

 

 

vacuumof 0..01torr..

 

9..

Off Linelaboratory modell

 

1 No..

 

oil DGA Kit

 

 

 

 

 

 

10..

Oiilltanker,, wheel

10kLCapaciity

5 Nos..

 

mounted,,

5kL Capacitty

5 Nos..

11..

NGR

11KV,, 600A for 10 sec..

10 Nos..

 

 

 

 

12..

SpareTrans..Oil (by voll..)

Asspecified

5%

13..

Mandatory Spares

Asspecified

LOT

 

 

 

 

Brief Scope of Work for Darlipali STPP-I (2x800 MW), EHV & HV Power Transformers Package

The brief Scope of Work is as under:

The package covers design, engineering, manufacture, testing at works, short circuit testing, transportation to site, receipt, handling and storage at site, erection and commissioning of various Transformers and inclusive of necessary tools and tackles and supply of mandatory spares & Maintenance equipment and 5% extra transformer oil.