Electrical performance of distribution insulators with chlorella vulgaris growth on its surface

Herbert Enrique Rojas Cubides, Carlos Daniel Pérez Castiblanco, Andrés Felipe León Morales, Luis Felipe Cantor Babativa

Research output: Contribution to journalArticle

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Abstract

This paper presents a study about electrical performance of ceramic and polymeric insulators bio-contaminated with alga Chlorella vulgaris. The performed tests involve ANSI 55-2 and ANSI 52-1 ceramic insulators and ANSI DS-15 polymeric insulators, all of them used in distribution systems of Colombia. Biological contamination of insulators is realized using a controlled environment chamber that adjusts the temperature, humidity and light radiation. The laboratory tests include measurements of flashover voltages and leakage currents and they were performed to determine how insulators are affected by biological contamination. After a series of laboratory tests, it was concluded that the presence of Chlorella vulgaris on the contaminated ceramic insulators reduces the wet flashover voltage up to 12% and increases their leakage currents up to 80%. On the other hand, for polymeric insulators the effect of algae growth on flashover voltages was not to strong, although the leakage currents increase up to 60%.

Translated title of the contributionElectrical performance of distribution insulators with chlorella vulgaris growth on its surface
LanguageSpanish
Pages21-27
Number of pages7
JournalIngenieria e Investigacion
Volume35
Issue number1
DOIs
Publication statusPublished - Nov 1 2015

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Flashover
Leakage currents
Algae
Electric potential
Contamination
Atmospheric humidity
Radiation
Temperature

Keywords

    ASJC Scopus subject areas

    • Engineering(all)

    Cite this

    Desempeño eléctrico de aisladores de distribución ante el crecimiento de chlorella vulgaris sobre su superficie. / Rojas Cubides, Herbert Enrique; Pérez Castiblanco, Carlos Daniel; León Morales, Andrés Felipe; Cantor Babativa, Luis Felipe.

    In: Ingenieria e Investigacion, Vol. 35, No. 1, 01.11.2015, p. 21-27.

    Research output: Contribution to journalArticle

    Rojas Cubides, Herbert Enrique ; Pérez Castiblanco, Carlos Daniel ; León Morales, Andrés Felipe ; Cantor Babativa, Luis Felipe. / Desempeño eléctrico de aisladores de distribución ante el crecimiento de chlorella vulgaris sobre su superficie. In: Ingenieria e Investigacion. 2015 ; Vol. 35, No. 1. pp. 21-27.
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    abstract = "This paper presents a study about electrical performance of ceramic and polymeric insulators bio-contaminated with alga Chlorella vulgaris. The performed tests involve ANSI 55-2 and ANSI 52-1 ceramic insulators and ANSI DS-15 polymeric insulators, all of them used in distribution systems of Colombia. Biological contamination of insulators is realized using a controlled environment chamber that adjusts the temperature, humidity and light radiation. The laboratory tests include measurements of flashover voltages and leakage currents and they were performed to determine how insulators are affected by biological contamination. After a series of laboratory tests, it was concluded that the presence of Chlorella vulgaris on the contaminated ceramic insulators reduces the wet flashover voltage up to 12{\%} and increases their leakage currents up to 80{\%}. On the other hand, for polymeric insulators the effect of algae growth on flashover voltages was not to strong, although the leakage currents increase up to 60{\%}.",
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