A novel methodology for volume reduction of HV capacitors using highly electronegative composite nano materials

Rahman, Taqi ur; Amin, Salman; Haroon, Shaikh Saaqib

doi:10.1088/2053-1591/ab51d5

Cited by 2 publications

(1 citation statement)

References 23 publications

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“…SIR is a silicone-based polymer. The properties of silicone rubber in [11] are given in Table 2. It is an important electrical insulating material for nuclear power plant cables [12].…”

Section: Introductionmentioning

confidence: 99%

Tailoring the properties of epoxy/silicone blends for high-voltage capacitor applications

khan

Hassan

Shaikh

et al. 2022

Journal of Electrical Systems and Inf Technol

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In recent decades, high dielectric constant (k) polymer nanocomposites have proved excellent potential in dielectric and energy storage applications. Epoxy/silicon rubber composite materials have shown promising properties in applications such as high-voltage insulation. Three types of nanomaterials (SiO2, TiO2, and TiO2@SiO2) with distinct intrinsic properties are carefully chosen to build high-k epoxy/silicone polymer nanocomposites in this study. To raise the value of K, this work tailored the polarizing ability or permittivity of dielectric material by inserting different weight ratios of nano-fillers (SiO2, TiO2, TiO2@SiO2) in the base matrix of dielectric material in epoxy and silicon rubber blends. With a base matrix containing 75% epoxy and 25% liquid silicone rubber concentration, the maximum value of K obtained is K = 158 for 5% TiO2 and there is an increase in the dielectric strength to 398 kV/mm. The obtained results indicate that, among the three different kinds of epoxy/silicone, TiO2@SiO2 has the most potential in enhancing the energy storage capabilities of the proposed nanocomposites, owing to the largest increase in k while maintaining low dielectric loss and leakage current.

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“…SIR is a silicone-based polymer. The properties of silicone rubber in [11] are given in Table 2. It is an important electrical insulating material for nuclear power plant cables [12].…”

Section: Introductionmentioning

confidence: 99%

Tailoring the properties of epoxy/silicone blends for high-voltage capacitor applications

khan

Hassan

Shaikh

et al. 2022

Journal of Electrical Systems and Inf Technol

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Modelling the effect of nanofiller’s shape and alignment on the dielectric strength and permittivity of polyethylene nanocomposite insulation

Safdar

Amin

2020

Mater. Res. Express

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Solid insulation defects are a major cause of power failures. Incorporation of micro and nanoparticles in the solid insulation materials has proven its advantage. It has been reported that nanocomposites are far superior in terms of insulation to microcomposites because of larger interphase area between nanofillers and polymer in nanocomposites. In addition to that nature, size, shape, concentration and alignment of nanofillers affect the properties of resulting nanocomposite insulation. A lot of work has reported the effect of nanofiller’s nature, size and concentration but very little is reported on the effect of filler’s shape and alignment on the insulation and dielectric properties. In this paper nanocomposite dielectrics with nanofillers of various shapes and alignment are modelled by varying their permittivity using finite element method. To characterize the effect of various shapes and orientation electric field intensity and energy density models are computed. Simulations are performed using AC/DC module of COMSOL Multiphysics. The results revealed that shape and alignment of nanofillers are the two key factors in tuning the breakdown strength and permittivity of nanocomposite dielectrics for their applications in insulation as well as high voltage capacitors.

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A novel methodology for volume reduction of HV capacitors using highly electronegative composite nano materials

Cited by 2 publications

References 23 publications

Tailoring the properties of epoxy/silicone blends for high-voltage capacitor applications

Tailoring the properties of epoxy/silicone blends for high-voltage capacitor applications

Modelling the effect of nanofiller’s shape and alignment on the dielectric strength and permittivity of polyethylene nanocomposite insulation

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