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現在位置:首頁>產品資訊>絕緣油>代客量身訂制絕緣油>IEC60296特級絕緣油 |
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IEC60296特級絕緣油 |
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Tbble 2-General specifications |
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Property |
Test method |
Limits |
Transformer oil |
Low temperature
Switchgear oil |
1-Function |
Viscosity at 40℃ |
ISO 3104 |
Max. 12 mm²/s |
Max.35 mm²/s |
Viscosity at –30℃a |
ISO 3104 |
Max. 1 800 mm²/s |
-- |
Viscosity at –40℃b |
IEC 61868 |
-- |
Max. 400 mm²/s |
Pour Point a |
ISO 3016 |
Max. –40℃ |
Max.–60 ℃ |
Water content |
IEC 60814 |
Max. 30 mg/kg c / 40 mg/kg d |
Breakdown voltage |
IEC 60156 |
Min. 30 kV/70 kVe |
Density at 20℃ |
ISO 3675 or ISO 12185 |
Max, 0,895 g/ml |
DDF at 90℃ |
IEC 60247 or IEC 61620 |
Max. 0,005 |
2-Refining/stability |
Appearance |
-- |
Clear, free from sediment and suspended matter |
Acidity |
IEC 62021-1 |
Max.0,01 mg KOH/g |
Interfacial tension |
ISO 6295 |
No general requirement f |
Total sulfur content |
BS 2000 Part 373 or ISO 14596 |
NO general requirement f |
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Corrosive sulfur |
DIN 51353 |
Not corrosive |
Antioxidant additive |
IEC 60666 |
(U) uninhibited oil: not detectable
(T) trace inhibited oil: max. 0,08%
(I) inhibited oils:0,08-0,40% |
2-Furfural content |
IEC 61198 |
Max. 0,1 mg/kg |
3-Performance |
Oxidation stability ¹ |
IEC 61125(method C)
Test duration:
(U)Uninhibited oil:164 h
(T) Trace inhibited oil:332 h
(I) Inhibited oil:500 h |
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-Total acidity |
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Max. 1,2 mg KOH/g ¹ |
-Sludge |
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Max. 0,8 % ¹ |
DDF at 90℃ |
IEC 60247 |
Max.0,500 ¹ |
Gassing |
IEC 60628,A |
NO general requirement |
4-Health, safety and environment (HSE) |
Flash point |
ISO 2719 |
Min. 135℃ |
Min. 100℃ |
PCA content |
BS 2000 Part 346 |
max. 3% |
PCB content |
IEC 61619 |
Not detectable |
a This is the standard LCSET for an transformer oil (see 5.1) and can be modified depending on the
climatic
b Standard LCSET for low temperature switch gear oil.
c For bulk supply.
d For delivery in drums and IBC.
e After laboratory treatment (see 6.4).
f Where it is used as a general requirement, a limit of minimum 40 mN/m is recommended. |
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