Application of surface-modified XLPE nanocomposites for electrical insulation- partial discharge and morphological study

Sharad, Paramane Ashish; Kumar, Kaushal

doi:10.1080/20550324.2017.1325987

Cited by 32 publications

(8 citation statements)

References 40 publications

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“…This includes the use of surfactants, which help to reduce high surface energy and interfacial tension in nanofillers . Improvement in dielectric properties such as AC and DC breakdown strength , electrical and water tree resistance as well as reduction in the space charge , partial discharge , permittivity and dielectric loss has been widely documented in nanocomposites with chemically treated nanoparticles.…”

Section: Application Of Micro and Nano‐size Filler In High Voltage Inmentioning

confidence: 99%

“…For example, Sharad and Kumar compared the theory of partial discharge propagation in XLPE nanocomposites filled with unmodified, agglomerated and octylsilane‐modified silica nanofillers (refer Fig. ).…”

Section: Application Of Micro and Nano‐size Filler In High Voltage Inmentioning

confidence: 99%

“…Polymer nanocomposites have been known as second generation of filled dielectrics in insulation engineering. Many studies have shown that polymer nanocomposites exhibit many superior electrical properties such as higher breakdown strength , lower dielectric permittivity and loss , less space charge accumulation , higher threshold voltage for partial discharge , and less electrical tree formation .…”

Section: Introductionmentioning

confidence: 99%

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A review of thermoplastic elastomeric nanocomposites for high voltage insulation applications

Ismail

Mariatti

2018

Polymer Engineering & Sci

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Thermoplastic elastomer (TPE) has gained acceptance as third generation of polymeric materials for high voltage (HV) insulators. The interesting features showed by TPEs were found to fulfill some particular requirements for HV insulations, at least for the distribution class applications, especially at light contamination environments. Introduction of nanomaterials which widely reported to give significant improvements in the electrical, mechanical, thermal and other properties of polymer has attracted attention to the synergistic properties of combining the two complementary technologies of thermoplastic elastomers and nanocomposites. In this paper, research works on various types of TPEs having promising performance as HV insulators are thoroughly reviewed. The emergence of nanocomposites in the electrical insulation field and the important properties consideration for HV insulators as well as the processing techniques of TPE nanocomposites are also discussed. Finally, some of the past and recent developments of TPE nanocomposites focusing on the electrical insulation properties are highlighted in this article. POLYM. ENG. SCI., 58:E36–E63, 2018. © 2018 Society of Plastics Engineers

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Section: Application Of Micro and Nano‐size Filler In High Voltage Inmentioning

confidence: 99%

Section: Application Of Micro and Nano‐size Filler In High Voltage Inmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A review of thermoplastic elastomeric nanocomposites for high voltage insulation applications

Ismail

Mariatti

2018

Polymer Engineering & Sci

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“…Several models have been proposed in this regard . Sharad and Kumar reported that addition of modified nanofillers increased the chain mobility which leads to increased reactions at the interface . Moreover, the overlapping of neighboring interfaces could also substantially affect the properties of the composite .…”

Section: Introductionmentioning

confidence: 99%

Recent Advances in Cross-linked Polyethylene-based Nanocomposites for High Voltage Engineering Applications: A Critical Review

Thomas

Joseph

Jose³

et al. 2019

Ind. Eng. Chem. Res.

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Scientific advancements in the field of high-power transmission and distribution of electrical energy revolutionized the field of high-performance polymer-based electrical insulation systems. Cross-linked polyethylene (XLPE) and its nanocomposites have gained substantial attention in the area of insulation, and these materials play a prodigious role in the arena of cable insulation. This paper includes various strategies for cross-linking PE coupled with different nanofillers to enhance the electrical insulation properties to attain high power transmission. It summarizes the significance of SiO 2 -, alumina-, TiO 2 -, and MgO-based XLPE nanocomposites as potential candidates for insulation in high voltage cables, electrical chips, and transistors and boron nitride-based XLPE nanocomposites for thermal insulation applications. Major challenges in dielectric insulation for cables, like partial discharge, space charge accumulation, water trees, volume resistivity, and DC breakdown strength, are addressed.

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“…It is universal to calculate the XLPE cable ampacity by the thermal-circuit method and simulation software, which follows the basic rule of calculating the maximum current through the conductor corresponding to the steady-state temperature of 90 • C in different environments [16]. The precondition of the cable ampacity calculation is setting the volumetric thermal capacity and thermal resistance of XLPE as fixed values [17][18][19]. To a large extent, these methods neglect the changes on XLPE insulation itself caused by the different aging factors and the influence of the heating and cooling process to the material during the cable operating condition, which would totally change the morphology of XLPE [20][21][22].…”

Section: Introductionmentioning

confidence: 99%

Thermal Effect of Different Laying Modes on Cross-Linked Polyethylene (XLPE) Insulation and a New Estimation on Cable Ampacity

et al. 2019

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This paper verifies the fluctuation on thermal parameters and ampacity of the high-voltage cross-linked polyethylene (XLPE) cables with different insulation conditions and describes the results of a thermal aging experiment on the XLPE insulation with different operating years in different laying modes guided by Comsol Multiphysics modeling software. The thermal parameters of the cables applied on the models are detected by thermal parameter detection control platform and differential scanning calorimetry (DSC) measurement to assure the effectivity of the simulation. Several diagnostic measurements including Fourier infrared spectroscopy (FTIR), DSC, X-ray diffraction (XRD), and breakdown field strength were conducted on the treated and untreated specimens in order to reveal the changes of properties and the relationship between the thermal effect and the cable ampacity. Moreover, a new estimation on cable ampacity from the perspective on XLPE insulation itself has been proposed in this paper, which is also a possible way to judge the insulation condition of the cable with specific aging degree in specific laying mode for a period of time.Energies 2019, 12, 2994 3 of 22 insulation endured the most severe electrical and thermal stresses. These obtained specimens were all cleaned by alcohol to remove the surface impurities.

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Application of surface-modified XLPE nanocomposites for electrical insulation- partial discharge and morphological study

Cited by 32 publications

References 40 publications

A review of thermoplastic elastomeric nanocomposites for high voltage insulation applications

A review of thermoplastic elastomeric nanocomposites for high voltage insulation applications

Recent Advances in Cross-linked Polyethylene-based Nanocomposites for High Voltage Engineering Applications: A Critical Review

Thermal Effect of Different Laying Modes on Cross-Linked Polyethylene (XLPE) Insulation and a New Estimation on Cable Ampacity

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