Low voltage measurement of the pollution on high voltage insulators
Holtzhausen, J. P.
Vosloo, W. L.
This paper describes a new Insulator Pollution Monitoring Apparatus that operates by measuring the surface conductivity of the pollution layer of an insulator after it has been artificially wetted. The monitor differs from previous devices in that the measuring voltage is substantially lower than operating voltage. This reduction in voltage has led to a substantial reduction in the size and cost of the device. The steam delivery system has also been adjusted. The paper specifies mechanical and electrical characteristics of the device. Further it discusses the extensive laboratory testing procedure. A definite correlation has been found between conductance and ESDD.
Electric conductivity, Electric generators, Electric properties, Electric relays, Electric resistance, Electric transformers, Mechanical properties, Pollution, Steam generators, Switching circuits, Voltage measurement, High voltage insulators, Insulator pollution monitoring apparatus, Solid state relay switches, Steam delivery system, Surface conductivity, Transformer switching circuits, Electric insulators
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