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Performance of HTV Silicone Rubber under Artificial AC and DC Corona/Ozone Test

Bin Ma (Institutionen för material- och tillverkningsteknik, Högspänningsteknik) ; Jiafu Wang ; Henrik Hillborg ; Stanislaw Gubanski (Institutionen för material- och tillverkningsteknik, Högspänningsteknik)
the Proceedings of 17th International Symposium on High Voltage Engineering p. E-036. (2011)
[Konferensbidrag, refereegranskat]

This paper concentrates on presenting the changes of properties of high temperature vulcanized (HTV) silicone rubbers when exposed to 100 hours long corona/ozone treatment in a multi-needle electrode system, as suggested by CIGRE Working Group D1.14 and in detail reported in our former publication. The material samples were treated by either AC or DC corona sources. The HTV samples used in this test contained one type of a commercial HTV silicone rubber (including both post- and unpostcured specimens) based on polydimethylsiloxane (PDMS) as well as model HTV silicone rubbers containing increased amount of methylvinylsiloxane (MVS) and filled with aluminum-trihydrate (ATH) of different proportions. Material characterization methods involving volume and surface resistivity measurements, dielectric response (DR) measurement, as well as tensile tests were adopted to trace the performance changes of the samples induced by the AC or DC corona treatments.

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Denna post skapades 2011-08-27. Senast ändrad 2017-10-03.
CPL Pubid: 145214


Institutioner (Chalmers)

Institutionen för material- och tillverkningsteknik, Högspänningsteknik (2005-2017)


Elektroteknik och elektronik
Övrig teknisk materialvetenskap

Chalmers infrastruktur