MR VACUTAP - Limit Values for Dielectric Strength and Water Content of Insulating Fluids

8 Technical data
Maschinenfabrik Reinhausen GmbH 2020 815788897/03 EN VACUTAP
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VVS
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8.5 Limit values for dielectric strength and water content of
insulating fluids
The following table provides the limit values for dielectric strength (measured
in accordance with IEC 60156) and water content (measured in accordance
with IEC 60814) of insulating fluids. The values have been established
based on IEC 60422.
Limit values for insulating fluids in ac-
cordance with IEC60296
U
d
H
2
O
When commissioning the transformer for
the first time
> 60 kV/2.5 mm < 12 ppm
During operation > 30 kV/2.5mm < 30 ppm
After maintenance > 50 kV/2.5 mm < 15 ppm
Table23: Insulating fluids in accordance with IEC60296