计算模型中考虑了油流速度、油的电导率和油温等因素对油流带电的影响，克服了以往模型中存在着难以确定的变量的缺点。

The influences of oil flow velocity, conductivity and temperature of oil on streaming electrification were taken into consideration in the models.

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而且油流带电电荷密度与介质损耗因数和电导率有一定的相关性。

And the charge density of oil streaming electrification is related to the dielectric loss factor and conductivity.

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分析了油流带电的产生及危害，利用循环管道模型研究了变压器电导率对大型电力变压器油流带电的影响。

The cause of the oil flow electrification and its harm in 500kV pow-er transformers. are analysed in this paper.

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