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Polypropylene Copolymers and Blends for HVDC Cable Insulation: Initial Characterization and Pilot-scale Production

  • Bassel Diban*
  • , Giovanni Mazzanti
  • , Paolo Seri
  • , Rolando Ezequiel Diaz
  • , Ilkka Rytöluoto
  • , Mika Paajanen
  • , Eetta Saarimäki
  • , Kari Lahti
  • , Minna Niittymaki
  • , Maya Mourad
  • , Anais Leproux
  • , Rafal Anyszka
  • , Frederik Wurm
  • , Timo Rheinberger
  • *Corresponding author for this work
    • University of Bologna
    • Tampere University
    • SuperGrid Institute
    • University of Twente

    Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

    Abstract

    This paper introduces a preliminary characterization of polypropylene-based copolymers as well as a possible ternary blend as a candidate to be used for HVDC cable insulation in the framework of the European project NEWGEN (New GENeration of HVDC insulating materials, cables and systems). The effect of production process scale-up (from mini-scale to pilot-scale cast-processing) is also investigated for the promising PP ternary blend which is essentially composed of homophasic PP random copolymer (RACO), heterophasic PP copolymer (HECO), and propylene-based elastomer (PBE). The preliminary dielectric characterization introduces a promising RACO/HECO/PBE blend with a similar and comparable performance of mini-scale and up-scaled specimens. Mechanical characterization show that incorporating HECO and PBE in the ternary blend reduces the stiffness metrics of RACO towards suitable values for HVDC cable applications.

    Original languageEnglish
    Title of host publication2024 IEEE Conference on Electrical Insulation and Dielectric Phenomena, CEIDP 2024
    PublisherIEEE Institute of Electrical and Electronic Engineers
    ISBN (Electronic)9798350366679
    DOIs
    Publication statusPublished - 2024
    MoE publication typeA4 Article in a conference publication
    Event2024 IEEE Conference on Electrical Insulation and Dielectric Phenomena, CEIDP 2024 - Auburn, United States
    Duration: 6 Oct 2024 → 9 Oct 2024

    Conference

    Conference2024 IEEE Conference on Electrical Insulation and Dielectric Phenomena, CEIDP 2024
    Country/TerritoryUnited States
    CityAuburn
    Period6/10/24 → 9/10/24

    Funding

    Funded by the European Union Grant Agreement No 101075592. Views and opinions expressed are however those of the author(s) only and do not necessarily reflect those of the European Union or CINEA. Neither the European Union nor the granting authority can be held responsible for them.

    UN SDGs

    This output contributes to the following UN Sustainable Development Goals (SDGs)

    1. SDG 7 - Affordable and Clean Energy
      SDG 7 Affordable and Clean Energy

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