Effect of filler concentration on breakdown of Isotactic Polypropylene Nano-composites

Kumar, Akhilesh; Ashwini, D S; Devnath, S.; Elanseralathan, K.

doi:10.1109/catcon47128.2019.cn0097

Cited by 3 publications

(4 citation statements)

References 5 publications

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“…It is noted that in the combined stress, the high-frequency stress of 100 V decreases the DC breakdown voltage TiO 2 /iPP, which is 50%-60% lower than the DC breakdown voltage, whereas for the ZnO composite it is 45%-90% lower. [90] 2.4.9 | iPP nanocomposite -space charge According to, [91] the presence of MgO in the polymer composite alters the space charge profile. The space charge profile demonstrates that the accumulation of space charge is reduced when MgO nanofiller is introduced into the polymer matrix.…”

Section: Mgomentioning

confidence: 99%

“…TiO 2 has the highest breakdown strength of 557 kV/mm among the four nanoparticles at 1 phr, followed by MgO, ZnO, and Al 2 O 3 at 503, 420, and 458 kV/mm, with enhancements of 29%, 8%, and 18%, respectively. [90] 2.4.8 | iPP nanocomposite under combined stress…”

Section: Mgomentioning

confidence: 99%

“…The reason for this is due to dipole re-orientation in the polymer matrix, which causes internal heating, which leads to earlier breakdown. [90] 2.4.7 | iPP nanocomposite under DC stress According to Zhe Li et al, the addition of MgO nanofiller changes the properties of iPP. In this study, a iPP nanocomposite (iPP/MgO) sample with different weight percentages of filler concentration (0.5, 1, 3, and 5 wt%) is stressed at a rate of 500 V/s under a DC voltage.…”

Section: Ipp Nanocomposite Under Ac Stressmentioning

confidence: 99%

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A review on polymeric insulation for high‐voltage application under various stress conditions

Angalane

Kasinathan

2022

Polymer Composites

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Polymeric material draws a great attraction in the development of insulation for High Votage Direct Current (HVDC) applications. Insulation material is the deciding key factor to increase the operating voltage and to transmit the bulk power with minimized power loss. Premature breakdown, high withstanding temperature, and impacts of space charge accumulation are all issues faced by the insulation material. Material qualities such as dielectric, electrical, structural, and mechanical properties are directly affected by the issues. Therefore, this paper provides an overview of the dielectric properties of polymeric materials and their composites under various stress conditions. The stress includes AC, DC, superimpose and combined (AC and DC) stress under which the dielectric constant, dielectric losses, electrical strength, and space charge distribution of polymeric insulating materials such as low‐density polyethylene, high‐density polyethylene, cross‐linked polyethylene, polypropylene, and random copolymer (RCP), as well as their composites, are explored. Polypropylene and RCP outperform all other polymers in terms of breakdown strength and space charge suppression under various stress conditions. RCP is a developing material that also has the potential to be an effective thermoplastic insulation material in the future.

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Section: Mgomentioning

confidence: 99%

Section: Mgomentioning

confidence: 99%

Section: Ipp Nanocomposite Under Ac Stressmentioning

confidence: 99%

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A review on polymeric insulation for high‐voltage application under various stress conditions

Angalane

Kasinathan

2022

Polymer Composites

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“…This paper gives a broad study on Isotactic Polypropylene (iPP) nanocomposite under various stresses. Andrea Cavallini et al reported that the harmonics, PWM-like waveforms on the power electronic circuits stress the insulation at the cable terminals [21][22][23]. The inorganic nanoparticles such as TiO 2 and ZnO are incorporated with the polymer matrix.…”

Section: Introductionmentioning

confidence: 99%

Influence of nanofiller concentration on polypropylene nanocomposites for high voltage cables

Angalane

Kasinathan

2022

Journal of Electrical Engineering

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Polymeric insulation for HVDC cable is attracting more attention in the modern power transmission system. Especially, the thermoplastic material is desirable for power cable insulation because of its recyclability and ease of processing. Thermoplastic material development is a good alternative to cross-linked polyethylene in the future. Polypropylene has the advantage of avoiding by-products during cable production, which can minimize space accumulation and degassing costs. Therefore, this study investigates the influence of nanofillers on the structural properties of isotactic polypropylene. In addition, the proposed composite material’s morphology, melting, dielectric permittivity, and breakdown strength are examined. Different weight percentages of inorganic nanofillers such as TiO2 and ZnO are used to make nanocomposite thin films. With increasing filler concentration, the dielectric constant of the nanocomposite thin film increases. Apart from that, the dielectric loss of the TiO2 nanocomposite thin film increases with weight percentage initially and it falls nearer to virgin material at a higher frequency. The breakdown strength of the nanocomposite materials shows a similar variation with filler concentration. TiO2 is more resistant to deterioration than ZnO composite. Based on the results of the complete investigation, the TiO2 nanocomposite is better suited for the insulation of HVDC cables.

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Nanoparticles Application in High Voltage Insulation Systems

Kadim

Noorden

Adzis

et al. 2021

IEEE Trans. Dielect. Electr. Insul.

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Effect of filler concentration on breakdown of Isotactic Polypropylene Nano-composites

Cited by 3 publications

References 5 publications

A review on polymeric insulation for high‐voltage application under various stress conditions

A review on polymeric insulation for high‐voltage application under various stress conditions

Influence of nanofiller concentration on polypropylene nanocomposites for high voltage cables

Nanoparticles Application in High Voltage Insulation Systems

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