Transformer oil TKp (200L)

Transformer oils

SKU: 59551712 Category:

Description

contains additives ionol. Recommended application – equipment with voltage up to 500 KV,

.

Oil TKp – TKp transformer oil produced from low-sulfur, naphthenic oils by acid-base treatment. Ionol contains an additive. Pure transformer oil, free from water and other impurities, regardless of its chemical composition has a high dielectric strength sufficient for practice (more than 210 kV /cm), determined in flat copper electrodes with rounded edges, spaced 2.5 mm. Increase of dielectric strength with increasing temperature from 0 to 70 ° C is associated with the removal of moisture from the oil, its transition from the emulsion in a dissolved state and a decrease in oil viscosity.

Applications

Dissolved gases play an important role in the breakdown process. Even when the electric field intensity lower than the penetration, there is the formation of bubbles on the electrodes. With decreasing oil pressure for the non-degassed its strength decreases. However, in cases thoroughly degassed liquid breakdown voltage does not depend on the pressure.

Specifications




























The name of indicators


Norm

Kinematic viscosity mm2 /s, not more than
at 50 ° C
at minus 30 ° C



9,0
1500

Acid number, mg KOH per 1 g of oil, not more than


0,02

Flash point closed cup, ° C, min


135

The content of water-soluble acids and alkalis


no

Content of mechanical impurities


no

Pour Point, ° C, max


-45

Test corrosive to copper plate marks M-1 or M-2 according to GOST 859


withstand

The refractive index at 20 ° C, no more than


1,5050

Color on colorimeter CNT, units of CNT, not more than


1,0

Oxidation resistance: not more than
– mass fraction sediment,%
– acid number of the oxidized oil, mg KOH per 1 g oil
– content of volatile low molecular weight acids, mg KOH per 1 g of oil



0,01
0,1
0,005

Dielectric loss tangent at 90 ° C,%, not more than


2,2

Density at 20 ° C, kg /m3 and not more than


895

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