Differences in Characteristics of Long-Gap Lightning Impulse Breakdown between Vegetable and Mineral Insulating Oil

Wenxiong Mo; Haoyong Song; Qingdan Huang; Yuqing Chen; Wei Wang

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자료유형: 학술저널

저자정보: Wenxiong Mo (Guangzhou Power Supply Co. Ltd) Haoyong Song (Guangzhou Power Supply Co. Ltd) Qingdan Huang (Guangzhou Power Supply Co. Ltd) Yuqing Chen (Guangzhou Power Supply Co. Ltd) Wei Wang (Guangzhou Power Supply Co. Ltd)

저널정보: 한국전기전자재료학회 Transactions on Electrical and Electronic Materials Transactions on Electrical and Electronic Materials 제22권 제3호

발행연도: 2021.1

수록면: 301 - 309 (9page)

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Vegetable insulating oils, with higher fire point, lower biological hazard and better availability compared to traditional mineral insulating oils, have enormous potential to become the substitute of the latter, given the trend of green development of the power equipment, for example, the transformers. However, the obviously different constitution of the vegetable oils makes the circumstance hard when considering their application on the insulation for actual transformers. One of the significant deficiencies of the vegetable oils in working condition is their insufficient lightning impulse endurance under partial high electric fields and large discharge gaps. In this article, three kinds of transformer insulating oils, rapeseed oil, FR3 and 25# mineral oil were chosen to investigate the performances of these insulation materials under long-gap lightning impulses with positive and negative polarity respectively. The variation rules of breakdown voltage and velocity with the gap length were obtained. And the difference of the lightning impulse voltage endurance between the vegetable and mineral insulating oils as well as its causes based on theories of streamer and ionization potential (IP) were analyzed, which led to the conclusion that the gap increase causes more threat to the positive lightning impulse breakdown of vegetable insulating oils, compared to its counterpart.

#Vegetable insulating oil #Lightning impulse breakdown voltage #Streamer mechanism #Ionization potential #Mineral insulating oil

참고문헌 (38)

참고문헌 신청

M. Rafi q / 2015 / Use of vegetable oils as transformer oils—a review / Renew. Sustain. Energy Rev 52:308~324

A. Reff as / 2018 / Comparison of dielectric properties of olive oil, mineral oil, and other natural and synthetic ester liquids under AC and lightning impulse stresses / IEEE Trans. Dielectr. Electr. Insul 25(5):1822~1830

H. B. H. Sitorus / 2015 / Pre-breakdown phenomena in new vegetable oil-based jatropha curcas seeds as substitute of mineral oil in high voltage equipment / IEEE Trans. Dielectr. Electr. Insul 22(5):2442~2448

A. Beroual / 2017 / Comparative study of breakdown voltage of mineral, synthetic and natural oils and based mineral oil mixtures under AC and DC voltages / Energies 10:511

Y. Jing / 2014 / Dielectric properties of natural ester, synthetic ester midel 7131 and mineral oil diala D / IEEE Trans. Dielectr. Electr. Insul 21(2):644~652

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