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Analysis of Surface Tracking of Micro and Nano Size Alumina Filled Silicone Rubber for High Voltage AC Transmission
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 Title & Authors
Analysis of Surface Tracking of Micro and Nano Size Alumina Filled Silicone Rubber for High Voltage AC Transmission
Loganathan, N.; Chandrasekar, S.;
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 Abstract
This paper discusses the experimental results in an effort to understand the tracking and erosion resistance of the micro and nano size filled silicone rubber (SIR) material which has been studied under the AC voltages, with ammonium chloride as a contaminant, as per IEC 60587 test procedures. The characteristic changes in the tracking resistance of the micro and nano size filled specimens were analyzed through leakage current measurement and the eroded masses were used to evaluate the relative erosion and tracking resistance of the composites. The fundamental, third and fifth harmonic of the leakage current during the tracking study were analyzed using moving average current technique. It was observed that the harmonic components of leakage current show good correlation with the tracking and erosion resistance of the material. The thermogravimetry-derivative thermo gravimetric (TG-DTG) studies were performed to understand the thermal degradation of the composites. The physical and chemical studies were carried out by using scanning electron microscope (SEM), Energy Dispersive X-ray analysis (EDAX) and Fourier Transform Infra-red (FTIR) Spectroscopy. The obtained result indicated that the performance of nano filled SIR was better than the micro filled SIR material when the % wt. of filler increased.
 Keywords
Leakage current;Nano filler;Outdoor insulator;Silicone rubber;Tracking resistance;Third harmonic and fifth harmonic;
 Language
English
 Cited by
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Tracking/Erosion Resistance Analysis of Nano-Al(OH)3 Filled Silicone Rubber Insulating Materials for High Voltage DC Applications,;;;;

Journal of Electrical Engineering and Technology, 2015. vol.10. 1, pp.355-363 crossref(new window)
1.
Tracking/Erosion Resistance Analysis of Nano-Al(OH)3Filled Silicone Rubber Insulating Materials for High Voltage DC Applications, Journal of Electrical Engineering and Technology, 2015, 10, 1, 355  crossref(new windwow)
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