Overview of insulating materials system for power cable applications

Jow, Jinder; Gross, L.H.; Mendelsohn, A.; Aarts, Mark; Kjellqvist, Jerker

doi:10.1109/icsd.2004.1350375

Cited by 2 publications

(4 citation statements)

References 3 publications

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“…A test performed by Xiao et al on samples based on LPDE without and with nano-SiO 2 showed that SiO 2 nanoparticles reduced the tree lengths [232]. Also, the introduction of Buckminster fullerene (C 60 ) or its derivatives such as [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) lead to an increase of the inception field of electric trees by more than 25% [11].…”

Section: Electrical Treeing In Nanocompositesmentioning

confidence: 99%

“…While paper-insulated and oil-filled cables for AC and DC applications are very easy to be used, conventional AC-XLPE insulated cables cannot be employed for DC because the electrical conductivity varies with temperature and electric field and, in particular, due to space charge accumulation [4]. For underground power cables insulation, other copolymers of ethylene and propylene (EPR) and terpolymers of ethylene, propylene and a diene component (EPDM) are typically applied [6]. They are highly filled and opaque elastomers due to their chemical and physical properties (e.g., sensitivity to heat, oxidation, ozone and weather, insolubility in many polar solvents, etc.).…”

Section: Introductionmentioning

confidence: 99%

“…They are highly filled and opaque elastomers due to their chemical and physical properties (e.g., sensitivity to heat, oxidation, ozone and weather, insolubility in many polar solvents, etc.). EPR and EPDM are flexible even at low temperatures (amorphous forms of EPR) and exhibit a certain level of tree retardancy, however at the drawback of some electrical properties (i.e., higher dissipation factor) [6].…”

Section: Introductionmentioning

confidence: 99%

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Polyethylene Nanocomposites for Power Cable Insulations

et al. 2018

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This review represents a comprehensive study of nanocomposites for power cables insulations based on thermoplastic polymers such as polyethylene congeners like LDPE, HDPE and XLPE, which is complemented by original results. Particular focus lies on the structure-property relationships of nanocomposites and the materials’ design with the corresponding electrical properties. The critical factors, which contribute to the degradation or improvement of the electrical performance of such cable insulations, are discussed in detail; in particular, properties such as electrical conductivity, relative permittivity, dielectric losses, partial discharges, space charge, electrical and water tree resistance behavior and electric breakdown of such nanocomposites based on thermoplastic polymers are described and referred to the composites’ structures. This review is motivated by the fact that the development of polymer nanocomposites for power cables insulation is based on understanding more closely the aging mechanisms and the behavior of nanocomposites under operating stresses.

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Section: Electrical Treeing In Nanocompositesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Polyethylene Nanocomposites for Power Cable Insulations

et al. 2018

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“…This rubber has been generally used in both indoor and outdoor applications [6][7][8]. Because of its outdoor applications, a study of the photostability of EPDM elastomer is extremely important from the industrial as well as academic point of view [9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

The effect of Tinuvin derivatives as an ultraviolet (UV) stabilizer on EPDM rubber

Küçük¹,

Gerengi²,

Guner³

2018

PEN

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Ethylene-propylene-diene monomer (EPDM) is one of the most widely used synthetic rubbers, especially in the automotive industry. Despite its many benefits, the chief weakness of EPDM has been the color change occurring in its products due to ultraviolet (UV) rays. It is recognized that UV energy causes the dissociation of bonds (mostly CC and C-H) in EPDM materials as well as cracks and color changes on the surface. The aim of this study was to investigate the effect of the Tinuvin derivatives widely used as UV stabilizers in the plastics industry on EPDM rubber. The EPDM rubber plates were prepared by adding Tinuvin-P, Tinuvin-213 and Tinuvin-234 as UV absorbers (UVAs) and Tinuvin-123 as hindered amine light stabilizer (HALS) material at a ratio of 1.0 phr (parts per hundred parts of rubber) to an available EPDM formula. The effects of the Tinuvin derivatives were investigated by the internationally recognized Florida outdoor aging test. The surfaces of the EPDM plates were visually scrutinized and surface morphological changes were examined via scanning electron microscopy (SEM), energy dispersive X-ray (EDX) and Fourier transform infrared (FTIR) spectrometry analyses. The results obtained showed that, unlike in the plastic industry, not all Tinuvin derivatives could be used as UV stabilizers for EPDM products. Of all the tested Tinuvin derivatives, the Tinuvin-123 compound was the most effective, indicating it to be suitable for use as a protective UV stabilizer for EPDM rubber applications. Thus, an important issue such as the UV resistance of sealing profiles made by EPDM rubber has been contributed about the suitability of Tinuvin derivatives.

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Overview of insulating materials system for power cable applications

Cited by 2 publications

References 3 publications

Polyethylene Nanocomposites for Power Cable Insulations

Polyethylene Nanocomposites for Power Cable Insulations

The effect of Tinuvin derivatives as an ultraviolet (UV) stabilizer on EPDM rubber

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