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Volume 15
Issue 7
10.3390/ma15072343
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Article

Investigation of Ramped Compression Effect on the Dielectric Properties of Silicone Rubber Composites for the Coating of High-Voltage Insulation

by
M. Hassan Raza
1,
Safi Ullah Butt
1,
Abraiz Khattak
1,* and
Ahmad Aziz Alahmadi
2
1
High Voltage Laboratory, Department of Electrical Power Engineering, U.S.-Pakistan Center for Advanced Studies in Energy, National University of Sciences and Technology (NUST), Islamabad 44000, Pakistan
2
Department of Electrical Engineering, College of Engineering, Taif University KSA, P.O. Box 11099, Taif 21944, Saudi Arabia
*
Author to whom correspondence should be addressed.
Materials 2022, 15(7), 2343; https://doi.org/10.3390/ma15072343
Submission received: 3 February 2022 / Revised: 8 March 2022 / Accepted: 15 March 2022 / Published: 22 March 2022
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Abstract

The incorporation of inorganic oxide fillers imparts superior dielectric properties in silicone rubber for high-voltage insulation. However, the dielectric characteristics are influenced by the mechanical stress. The effects of ramped compression on the dielectric properties of neat silicone rubber (NSiR), 15% SiO2 microcomposite (SSMC), 15% alumina trihydrate (ATH) microcomposite (SAMC) and 10% ATH + 2% SiO2 hybrid composite (SMNC) are presented in this study. The dielectric constant and dissipation factor were measured before and after each compression especially in the frequency range of 50 kHz to 2MHz. Before the compression, SSMC expressed the highest dielectric constant of 4.44 followed by SMNC and SAMC. After the compression cycle, SAMC expressed a better dielectric behavior exhibiting dielectric constant of 7.19 and a dissipation factor of 0.01164. Overall, SAMC expressed better dielectric response before and after compression cycle with dielectric constant and dissipation factor in admissible ranges.
Keywords: silicone rubber; dielectric properties; compression; insulators; high voltage silicone rubber; dielectric properties; compression; insulators; high voltage

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MDPI and ACS Style

Raza, M.H.; Butt, S.U.; Khattak, A.; Alahmadi, A.A. Investigation of Ramped Compression Effect on the Dielectric Properties of Silicone Rubber Composites for the Coating of High-Voltage Insulation. Materials 2022, 15, 2343. https://doi.org/10.3390/ma15072343

AMA Style

Raza MH, Butt SU, Khattak A, Alahmadi AA. Investigation of Ramped Compression Effect on the Dielectric Properties of Silicone Rubber Composites for the Coating of High-Voltage Insulation. Materials. 2022; 15(7):2343. https://doi.org/10.3390/ma15072343

Chicago/Turabian Style

Raza, M. Hassan, Safi Ullah Butt, Abraiz Khattak, and Ahmad Aziz Alahmadi. 2022. "Investigation of Ramped Compression Effect on the Dielectric Properties of Silicone Rubber Composites for the Coating of High-Voltage Insulation" Materials 15, no. 7: 2343. https://doi.org/10.3390/ma15072343

APA Style

Raza, M. H., Butt, S. U., Khattak, A., & Alahmadi, A. A. (2022). Investigation of Ramped Compression Effect on the Dielectric Properties of Silicone Rubber Composites for the Coating of High-Voltage Insulation. Materials, 15(7), 2343. https://doi.org/10.3390/ma15072343

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