Testing of transformer oil
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About the department
Testing of insulation paper
Other tests
Scientific and methodical work
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The laboratory performs testing of transformer oil on
| 1 |
Breakdown voltage |
GOST 6581-75 |
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| 2 |
Acid number |
GOST 5985-79 |
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| 3 |
The content of water-soluble acids and alkalis |
GOST 6307-75 |
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| 4 |
Flash temperature in the closed Crucible |
GOST 6356-75 |
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| 5 |
Moisture Content |
IEC 814 |
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| 6 |
Content of mechanical impurities (industrial Class of purity) |
GOST 17216-01 |
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| 7 |
Content of mechanical impurities (mass concentration) |
РТМ 34.70.653-83 |
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| 8 |
Content of mechanical impurities |
The firm methodic |
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| (Analysis by microscope) * |
| 9 |
Dielectric loss tangent |
GOST 6581-75 |
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| 10 |
Specific volumetric dielectric strength * |
GOST 6581-75 |
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| 11 |
The content of antioxidant additives (thin layer chromatography) |
РД 34.43.105-89 |
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| 12 |
The content of antioxidant additives (IR spectrophotometer) * |
IEC 666 |
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| 13 |
Content of soluble sludge |
РД 34.43.105-89 |
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| 14 |
Density |
GOST 3900-85 |
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| 15 |
Kinematic viscosity |
GOST 33-82 |
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| 16 |
Refractive index * |
ASTM D 1807-84 |
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| 17 |
Stability against oxidation ** |
GOST 981-75 |
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| 18 |
Stability against oxidation |
IEC 1125(В)-92 |
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| 19 |
Chromatographic analysis of oil (7) |
РД 34.46.303-98 |
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| 20 |
Gas Content * |
РД 34.43.107-95 |
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| 21 |
The content of furan derivatives ** |
РД 34.43.206-94 |
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| 22 |
Visual control (color, disposal of water and mechanical impurities) |
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