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Category: Transformer Oil Test

Transformer Oil Testing in Abu Dhabi

Posted by: Chemist Posted on: February 3, 2022 , ,

Enquiry:

You are kindly requested to please quote for the subject job as per the details attached herewith as a SOW.

Scope of Work:
Transformers oil analysis and periodic condition monitoring testing
1 Yearly scope:
 The contractor is required to come to site and collect oil samples from all refilled power
transformers (40 units) by following IEC60475, IEC60567 AND ASTM D923-2015 standards
(Collecting samples using syringes)
 Oil samples should be analyzed by applying the following tests as per the standard for both oil
types we have mineral and Midel:

  1. Break Down Voltage
  2. Water Contamination test
  3. CO2/CO ratio
  4. O2/N2 ratio
  5. DGA test that should indicate the concentration of the following gases
    a) Hydrogen
    b) Methane
    c) Ethane
    d) Ethylene
    e) Acetylene
  6. DGA interpretation by applying the following techniques:
    a) Key Gases concentration
    b) Roger’s Ratio Fault Diagnostic
    c) IEC 60599 Ratio-Fault diagnostic
    d) Duval Triangle
    e) Duval/Lamarre Pentagon
  7. In addition, oil should be collected from Tap changer also and tested by following tests:
    a) Oil quality (BDV, Water)
    b) DGA test by applying Key Gas method and special DUVAL triangle for tap changers
  8. Furan Test that should reflect Degree of Polymerization (DP) and expected remaining paper
    age by years using Chendon model
  9. Corrosive Sulfur Test
  10. DBDS Test
  11. Free/Elemental Sulfur Test

One of our highly proficient and ISO certified laboratory would be taking over this project.

Should you have any similar requsites, do drop us email and we shall revert instantly -> [email protected].

Transformer Oil and Lube Oil Testing ADNOC

Posted by: Chemist Posted on: January 6, 2022

Enquiry:

Reference  to the above subject , Kindly note that —- Refining are inviting us to express our interest for providing lube oil and Transformer oil condition monitoring services to —- Refining facilities.

please go through attached brief Scope of Works / services  and requirement (this description is only for guideline and as a minimum requirement ) and advise if you are interested to bid through—— by providing the following :

  • confirmation  letter + company introduction .
  • capability to cover all necessary supervision, labor, tools, materials of consumable nature and diagnostic equipment required to perform the testing
  • have all the necessary experience, latest equipment, facilities and proven record of accomplishment of executing such type of Lube oil and Transformer oil analysis testing.

awaiting your kind response / reply  by return before on ———.  also , please find attached schedule of fees will be required for later stages based on scope of works.

One of our competent laboratory would be participating in this tender.

Transformer Oil Testing in Saudi Arabia

Posted by: Chemist Posted on: October 4, 2021

Enquiry:

Further reference to the captioned subject, we need to do the following test for the transformer oil before and after oil filling.

1. BDV

2. Water Content

3. DGA

4. Moisture Content

Hence, Kindly request you to provide your best price for the above test as earlier as possible to proceed further.

One of our competent laboratory in KSA would be taking over this project.

Contract Transformer Oil Testing in Qatar

Posted by: Chemist Posted on: August 21, 2021

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 
C 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.