The analysis and selection of the spinning disk system parameters for the measurement of static electrification of insulation oils

The paper presents results the aim of which was determining the most favorable conditions of ECT (electrostatic charge tendency) measurement taking of insulation oils in the spinning disk system. The work proved that a proper selection of the size and roughness of the disk surface makes the measured...

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Bibliographic Details
Published in:IEEE transactions on dielectrics and electrical insulation 2007-04, Vol.14 (2), p.480-486
Main Authors: Zdanowski, M., Wolny, S., Zmarzly, D., Kedzia, J.
Format: Article
Language:English
Subjects:
Charge
Charge measurement
Current measurement
Density
Density measurement
Dielectric liquids
Disks
Electrostatic measurements
Fluid dynamics
Fluid flow
Hydrodynamics
Insulation
Oil insulation
Phase measurement
power transformer insulation
Q measurement
Size measurement
Spinning
transformer oil
Volume measurement
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Summary:The paper presents results the aim of which was determining the most favorable conditions of ECT (electrostatic charge tendency) measurement taking of insulation oils in the spinning disk system. The work proved that a proper selection of the size and roughness of the disk surface makes the measured volume density of charge q w independent of the hydrodynamic conditions in the measuring system on the solid and liquid phase border. Charge q w density meets then the criterion of a material coefficient and can be used for comparing the results obtained from the systems varying in dimensions and hydrodynamic conditions. The changes suggested also ensure a high repeatability and reproducibility of the results obtained
ISSN:1070-9878
1558-4135
DOI:10.1109/TDEI.2007.344629