The effect of composition and processing on electric characteristics of XLPE in HVDC cable applications

Adnan Fazal, M. Hao, A. S. Vaughan, G. Chen, J. Cao, H. Wang

Research output: Chapter in Book/Report/Conference proceedingConference proceeding

4 Citations (Scopus)

Abstract

Polyethylene exhibits many key characteristics including low dielectric loss, high breakdown strength and good processability. Most modern extruded high voltage cables employ cross-linked polyethylene (XLPE) as the insulation material. The main advantage of XLPE is its excellent thermo-mechanical properties; it is relatively cheap and has low dielectric loss and low conductivity making it an ideal material for this application. Crosslinking enhances a number of thermo-mechanical properties such as deformation resistance at higher temperatures, tensile strength and creep properties. In comparison with lov density polyethylene (LDPE), the heat deformation characteristics of XLPE are superior and, for this reason, XLPE is currently the most common insulation material for power cables ranging from low to high voltages. This paper reports on an investigation into the development of a new XLPE formulation for use in high voltage direct current (HVDC) cable applications. Specifically, the electrical performance of two novel LDPE resins are compared with an industrial standard (reference) LDPE material. For crosslinking, dicumyl peroxide (DCP) was selected, as the decomposition temperature is high enough to prevent pre-curing during processing and to allow an efficient and rapid crosslinking at moderate temperatures. Moreover, the behavior of various systems is compared in terms of electrical breakdown performance and the influence of material composition and processing on these parameters is described.
Original languageEnglish
Title of host publication34 IEEE Electrical Insulation Conference (EIC)
Place of PublicationCanada
PublisherIEEE
Pages440-443
Number of pages4
ISBN (Electronic)978-1-4673-8706-4, 978-1-5090-2698-2
ISBN (Print)978-1-4673-8707-1
DOIs
Publication statusPublished - 25 Aug 2016
Event2016 IEEE Electrical Insulation Conference (EIC) - Montreal, Canada
Duration: 19 Jun 201622 Jun 2016

Conference

Conference2016 IEEE Electrical Insulation Conference (EIC)
Abbreviated titleEIC
CountryCanada
CityMontreal
Period19/06/1622/06/16

Fingerprint

Polyethylenes
Cables
Crosslinking
Electric potential
Processing
Chemical analysis
Dielectric losses
Insulation
Mechanical properties
Peroxides
Temperature
Curing
Creep
Tensile strength
Resins
Decomposition

Keywords

  • Electric breakdown
  • Torque
  • Power cables
  • Polyethylene
  • Power cable insulation
  • XLPE insulation
  • electric breakdown
  • power cable insulation
  • resins
  • high voltage direct current cable
  • HVDC cable
  • composition effect
  • electric characteristics
  • cross-linked polyethylene
  • XLPE insulation material
  • thermo-mechanical properties
  • LDPE resins
  • dicumyl peroxide
  • decomposition temperature
  • XLPE
  • crosslinking
  • LDPE

Cite this

Fazal, A., Hao, M., Vaughan, A. S., Chen, G., Cao, J., & Wang, H. (2016). The effect of composition and processing on electric characteristics of XLPE in HVDC cable applications. In 34 IEEE Electrical Insulation Conference (EIC) (pp. 440-443). Canada: IEEE. https://doi.org/10.1109/EIC.2016.7548632

The effect of composition and processing on electric characteristics of XLPE in HVDC cable applications. / Fazal, Adnan; Hao, M.; Vaughan, A. S.; Chen, G.; Cao, J.; Wang, H.

34 IEEE Electrical Insulation Conference (EIC). Canada : IEEE, 2016. p. 440-443.

Research output: Chapter in Book/Report/Conference proceedingConference proceeding

Fazal, A, Hao, M, Vaughan, AS, Chen, G, Cao, J & Wang, H 2016, The effect of composition and processing on electric characteristics of XLPE in HVDC cable applications. in 34 IEEE Electrical Insulation Conference (EIC). IEEE, Canada, pp. 440-443, 2016 IEEE Electrical Insulation Conference (EIC), Montreal, Canada, 19/06/16. https://doi.org/10.1109/EIC.2016.7548632
Fazal A, Hao M, Vaughan AS, Chen G, Cao J, Wang H. The effect of composition and processing on electric characteristics of XLPE in HVDC cable applications. In 34 IEEE Electrical Insulation Conference (EIC). Canada: IEEE. 2016. p. 440-443 https://doi.org/10.1109/EIC.2016.7548632
Fazal, Adnan ; Hao, M. ; Vaughan, A. S. ; Chen, G. ; Cao, J. ; Wang, H. / The effect of composition and processing on electric characteristics of XLPE in HVDC cable applications. 34 IEEE Electrical Insulation Conference (EIC). Canada : IEEE, 2016. pp. 440-443
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abstract = "Polyethylene exhibits many key characteristics including low dielectric loss, high breakdown strength and good processability. Most modern extruded high voltage cables employ cross-linked polyethylene (XLPE) as the insulation material. The main advantage of XLPE is its excellent thermo-mechanical properties; it is relatively cheap and has low dielectric loss and low conductivity making it an ideal material for this application. Crosslinking enhances a number of thermo-mechanical properties such as deformation resistance at higher temperatures, tensile strength and creep properties. In comparison with lov density polyethylene (LDPE), the heat deformation characteristics of XLPE are superior and, for this reason, XLPE is currently the most common insulation material for power cables ranging from low to high voltages. This paper reports on an investigation into the development of a new XLPE formulation for use in high voltage direct current (HVDC) cable applications. Specifically, the electrical performance of two novel LDPE resins are compared with an industrial standard (reference) LDPE material. For crosslinking, dicumyl peroxide (DCP) was selected, as the decomposition temperature is high enough to prevent pre-curing during processing and to allow an efficient and rapid crosslinking at moderate temperatures. Moreover, the behavior of various systems is compared in terms of electrical breakdown performance and the influence of material composition and processing on these parameters is described.",
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AB - Polyethylene exhibits many key characteristics including low dielectric loss, high breakdown strength and good processability. Most modern extruded high voltage cables employ cross-linked polyethylene (XLPE) as the insulation material. The main advantage of XLPE is its excellent thermo-mechanical properties; it is relatively cheap and has low dielectric loss and low conductivity making it an ideal material for this application. Crosslinking enhances a number of thermo-mechanical properties such as deformation resistance at higher temperatures, tensile strength and creep properties. In comparison with lov density polyethylene (LDPE), the heat deformation characteristics of XLPE are superior and, for this reason, XLPE is currently the most common insulation material for power cables ranging from low to high voltages. This paper reports on an investigation into the development of a new XLPE formulation for use in high voltage direct current (HVDC) cable applications. Specifically, the electrical performance of two novel LDPE resins are compared with an industrial standard (reference) LDPE material. For crosslinking, dicumyl peroxide (DCP) was selected, as the decomposition temperature is high enough to prevent pre-curing during processing and to allow an efficient and rapid crosslinking at moderate temperatures. Moreover, the behavior of various systems is compared in terms of electrical breakdown performance and the influence of material composition and processing on these parameters is described.

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