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Contract Transformer Oil Testing in Qatar

Enquiry:

With reference to subject inquiry, we request you to submit your competitive offer for the scope defined below.


Scope of Work

  1. Transformer Oil Analysis – 8 samples

Below detailed parameters to be analysed for the sample oil.

Oil Analysis of transformers
Sl.NoDescription of parameters to be testedRemarks
 ADissolved Gas Analysis 
1Hydrogen
(H2) ( ppm)
 
2Methane (CH4)
(ppm)
 
3Ethane (C2H6) (ppm) 
4Ethylene (C2H4)(ppm) 
5Acetylene (C2H2)
(ppm)
 
6Carbon monoxide
(CO) (ppm)
 
7Carbon dioxide
(CO2) (ppm)
 
8Nitrogen (N2) (ppm) 
9Oxygen (O2) (ppm) 
10TDCG (ppm) 
11Rate change per day 
12Rate change per year 
 BOil Quality Analysis 
13Sample temp.
(°C)
 
14Moisture ( ppm) 
15Moisture
corrected
to 20(°C)
 
16% Saturation 
17% Saturation
Interfacial
Tension (mN/m)
 
18Acidity
(mgKOH/g)
 
19Colour number 
20Visual 
21Dielectric BDV
(kV)
 
22Power factor %
@
25°C
 
23Power factor %
@
90°C
 
24Specific Gravity 
25Viscosity 
26Sediment &
sludge
 
27Density 
28Particles 
29PCB 
30Corrosive
Sulphur
 
31DBDS 
Furan Analysis 
325-hydroxy-methyl-
2-furfuraldehyde (5HMF)
(ppm)
 
332-furfuraldehyde (2FAL)
(ppm)
 
342-Acetylfuran (2ACF)
(ppm)
 
355-methyl-
2-furfuraldehyde (5MEF)
(ppm)
 
362-fufuryl Alcohol (2FOL)
(ppm
 

Note: :

–          Sample to be Collected at Site

–          Containers for collecting the sample to be provided by the contractor

–          Detailed reports shall be produced within 7 – 10 days of the collection

–          Any recommendation or report shall be advised on the oil analysis.

–          Any Parameter is not feasible or you can recommend for alternative as per Transformer maker recommendations

S NoSubstation NameTransformer NumberHzTransformer Rating VoltageTypeRemarks
1Substation – Transformer – 150Hz50/60 MVA132/11 KVOil 
2Transformer – 250Hz50/60 MVA132/11 KVOil 
3Substation – Transformer – 150Hz900W415/30VOil 
4Transformer – 250Hz3200W415/40VOil
5Transformer – 350Hz3200W415/40VOil 
6Transformer – 450Hz2700W415/30VOil 
7Transformer – 550Hz2700W415/30VOil 
8Transformer – 650Hz2700W415/30VOil 

One of our highly capable and competent lab will be taking over this contract.