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An investigation into the dynamics of partial discharge propagation in mineral oil based nanofluids

机译:矿物油基纳米流体中局部放电传播动力学的研究

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Recent studies present a model which assumes that conductive nanoparticles can reduce the speed of the positive streamer propagation in mineral oil due to electron trapping at the particle surface. Time resolved partial discharge measurements can be used to evaluate the discharge dynamics and to verify this hypothesis. A special measurement setup was built to enable the recording of the discharge dynamics. In this study, the effect of nanoparticles with different conductivities on the discharge dynamics of mineral oil is investigated. The time resolved current shapes of partial discharges in nanofluids and mineral oil are compared. To understand the effect of the conductivity of the nanoparticles on the partial discharge dynamics of mineral oil, nanoparticles with two different conductivities are synthesized with mineral oil. The two types of nanoparticles are silica and fullerene. The host fluid used in this study is Shell DialaS3ZXIG mineral oil.
机译:最近的研究提出了一个模型,该模型假定导电纳米颗粒由于在颗粒表面的电子俘获而可以降低正流在矿物油中的传播速度。时间分辨的局部放电测量可用于评估放电动力学并验证该假设。建立了特殊的测量设置,以记录放电动态。在这项研究中,研究了不同电导率的纳米颗粒对矿物油放电动力学的影响。比较了纳米流体和矿物油中局部放电的时间分辨电流形状。为了理解纳米颗粒的电导率对矿物油局部放电动力学的影响,用矿物油合成了具有两种不同电导率的纳米颗粒。两种类型的纳米颗粒是二氧化硅和富勒烯。本研究中使用的主体流体是壳牌DialaS3ZXIG矿物油。

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