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Electrical Properties of Polyethylene/Polypropylene Compounds for High-Voltage Insulation

Author

Listed:
  • Sameh Ziad Ahmed Dabbak

    (Department of Electrical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia)

  • Hazlee Azil Illias

    (Department of Electrical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia)

  • Bee Chin Ang

    (Department of Chemical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia)

  • Nurul Ain Abdul Latiff

    (Department of Electrical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia)

  • Mohamad Zul Hilmey Makmud

    (Department of Electrical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia
    Complex of Science and Technology, Faculty of Science and Natural Resources, University Malaysia Sabah, Kota Kinabalu 88400, Malaysia)

Abstract

In high-voltage insulation systems, the most commonly used material is polymeric material because of its high dielectric strength, high resistivity, and low dielectric loss in addition to good chemical and mechanical properties. In this work, various polymer compounds were prepared, consisting of low-density polyethylene (LDPE), high-density polyethylene (HDPE), polypropylene (PP), HDPE/PP, and LDPE/PP polymer blends. The relative permittivity and breakdown strength of each sample types were evaluated. In order to determine the physical properties of the prepared samples, the samples were also characterized using differential scanning calorimetry (DSC). The results showed that the dielectric constant of PP increased with the increase of HDPE and LDPE content. The breakdown measurement data for all samples were analyzed using the cumulative probability plot of Weibull distribution. From the acquired results, it was found that the dielectric strengths of LDPE and HDPE were higher than that of PP. Consequently, the addition of LDPE and HDPE to PP increased the breakdown strength of PP, but a variation in the weight ratio (30%, 50% and 70%) did not change significantly the breakdown strength. The DSC measurements showed two exothermic crystallization peaks representing two crystalline phases. In addition, the DSC results showed that the blended samples were physically bonded, and no co-crystallization occurred in the produced blends.

Suggested Citation

  • Sameh Ziad Ahmed Dabbak & Hazlee Azil Illias & Bee Chin Ang & Nurul Ain Abdul Latiff & Mohamad Zul Hilmey Makmud, 2018. "Electrical Properties of Polyethylene/Polypropylene Compounds for High-Voltage Insulation," Energies, MDPI, vol. 11(6), pages 1-13, June.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:6:p:1448-:d:150587
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    References listed on IDEAS

    as
    1. Jiefeng Liu & Hanbo Zheng & Yiyi Zhang & Hua Wei & Ruijin Liao, 2017. "Grey Relational Analysis for Insulation Condition Assessment of Power Transformers Based Upon Conventional Dielectric Response Measurement," Energies, MDPI, vol. 10(10), pages 1-16, October.
    2. M. Z. H. Makmud & H. A. Illias & C. Y. Chee & M. S. Sarjadi, 2018. "Influence of Conductive and Semi-Conductive Nanoparticles on the Dielectric Response of Natural Ester-Based Nanofluid Insulation," Energies, MDPI, vol. 11(2), pages 1-12, February.
    3. Xiaoxing Zhang & Hao Wen & Xiaoyu Chen & Yunjian Wu & Song Xiao, 2017. "Study on the Thermal and Dielectric Properties of SrTiO 3 /Epoxy Nanocomposites," Energies, MDPI, vol. 10(5), pages 1-14, May.
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    Cited by:

    1. Antonino Imburgia & Pietro Romano & George Chen & Giuseppe Rizzo & Eleonora Riva Sanseverino & Fabio Viola & Guido Ala, 2019. "The Industrial Applicability of PEA Space Charge Measurements, for Performance Optimization of HVDC Power Cables," Energies, MDPI, vol. 12(21), pages 1-13, November.
    2. Siti Sarah Junian & Mohamad Zul Hilmey Makmud & Zuhair Jamain & Khairatun Najwa Mohd Amin & Jedol Dayou & Hazlee Azil Illias, 2021. "Effect of Rice Husk Filler on the Structural and Dielectric Properties of Palm Oil as an Electrical Insulation Material," Energies, MDPI, vol. 14(16), pages 1-11, August.

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