THE DESIGN, SUPPLY AND INSTALLATION OF 245kV 1x250MVA AUTOTRANSFORMER, 1x120MVAr AND 1x240MVAr VARIABLE SHUNT REACTORS FOR
THE SECOND ELECTRICAL MALTA-SICILY INTERCONNECTOR
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Technical Specification for Transformer Oil
COMPANY
Project Manager
ISSUE OWNER
Prepared
Gürkan Saltık
Checked
Purpose
□ For Information
□ For Review
□ For Approval
□ For Construction
□ As-Built
Revision
Date :
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Reviewed
POWEROIL TO 1020 - 60 UX is a Type B, TVBI Inhibited Transformer Oil meeting the IEC 60296: 2020 Edition 5.0
Standard Table – 3 General Specifications. It also meets the ASTM D 1275 Test requirement for Corrosive Sulphur.
Sr No
Characteristics
Unit
Test Method
1
Appearance
Visual inspection of oil
sample in transmitted light
under a thickness of 10 cm at
ambient temperature
2
3
4
Color
Density at 20 o C
Kinematic Viscosity at 40 o C
g /ml
mm 2 / sec
ISO 2049
ISO 3675 or IEC 12185
ISO 3104 or ASTM D 7042
Guaranteed Data
Min
Max
Clear free from sediment and
suspended matter
1.5
0.895
12
at - 30 o C
1800
5
6
7
Flash Point, PMCC
Pour Point
Inter Facial Tension at 25 o C
o
C
o
C
mN / m
ISO 2719
ISO 3016
ASTM D 971
8
Acidity
mg KOH/ g
IEC 62021-1or IEC 62021-2
0.01
9
10
Water Content, Bulk/ Drum, IBC
Breakdown Voltage
As Delivered / After Treatment
mg / kg
IEC 60814
IEC 60156
30 / 40
11
12
Dielectric Dissipation Factor
(Tan δ )at 90 o C & 40 to 60 Hz
Corrosive Sulphur
Silver Strip, 100 o C, 18 Hrs.
Copper Strip , 150 o C, 48 Hrs.
13
14
15
Potentially Corrosive Sulphur
DBDS
Inhibitors according to IEC 60666
16
Metal Passivator additives according
to IEC 60666
Other Additives
17
18
19
20
21
kV
135
- 40
40
30 / 70
IEC 60247 or IEC 61620
0.005
DIN 51353
ASTM D 1275
Not Corrosive
Not Corrosive
mg / kg
%
IEC 62535
IEC 62697-1
IEC 60666
Not Corrosive
Not Detectable (< 5 mg/kg )
( I ) Inhibited Oil
(0.08 % to 0.40 %)
mg / kg
IEC 60666
Not Detectable (< 5 mg/kg )
Does not contain any additives
other than antioxidant additive
Oxidation Stability at 120 o C, 500 Hrs.
Total Acidity
mg KOH /g
Sludge
%
IEC 61125 Method C
4.8.4 of IEC 61125:2018
4.8.1 of IEC 61125:2018
DDF at 90 o C
PCA Content
PCB Content
2 – Furfural and related compounds
content
4.8.5 of IEC 61125:2018
IP 346
IEC 61619
IEC 61198
%
mg / kg
mg / kg
Disclaimer: APAR makes no warrantees, representation or conditions of any kind expressed or implied for
use with respect to these products. Final determination of suitability of the products for the application
contemplated by the user is solely their responsibility.
1.2
0.8
0.5
3
Not Detectable ( < 2mg /kg)
Not Detectable (< 0.05 mg/kg
) for each individual compound
Product Data Sheet
Version # 7 1st October, 2020
Transformer Oils
POWEROIL TO 1020 60 UX