Investigation into the effect of space charges on the surface erosion of synthetic and natural organoclay nanofilled PP films

Rohitha Dhara; Md. Afzalur Rab; Prathap Basappa

doi:10.1117/12.2062043

27 August 2014 Investigation into the effect of space charges on the surface erosion of synthetic and natural organoclay nanofilled PP films

Rohitha Dhara, Md. Afzalur Rab, Prathap Basappa

Author Affiliations +

Proceedings Volume 9172, Nanostructured Thin Films VII; 91720O (2014) https://doi.org/10.1117/12.2062043
Event: SPIE NanoScience + Engineering, 2014, San Diego, California, United States

Abstract

Literature indicates space charge formation in the polypropylene (PP) films when subjected to Partial Discharges (PD). The space charge thus formed also alters the PD characteristics in turn altering the PD resistance. The main focus of this work is to investigate the effect of space charge formed during the PD aging process on the main field with minimal space charge redistribution times. AC Ramp voltage that constantly increases with time at a rate of 667 V/s was applied across the samples for 20 second duration. PP films with natural organo clay nanofillers (0 (wt/v) % referred to as PP+N0% (base polymer) and 2 (wt/v) % referred to as PP+N2%), and synthetic organo clay nanofillers (2 (wt/v) % referred to as PP+S2%) were considered for experimentation. Results indicate that with the inclusion of the either natural or synthetic organo clay nanoparticles, with in the percolation threshold limit of nanofiller concentration, the final electric stress is reduced thus enhancing the resistance to surface PDs.

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Rohitha Dhara, Md. Afzalur Rab, and Prathap Basappa "Investigation into the effect of space charges on the surface erosion of synthetic and natural organoclay nanofilled PP films", Proc. SPIE 9172, Nanostructured Thin Films VII, 91720O (27 August 2014); https://doi.org/10.1117/12.2062043

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KEYWORDS

Resistance

Electrodes

Polymers

Natural surfaces

Palladium

Statistical analysis

Transformers

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