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丁立健

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A Preliminary Study of Oil-Polypropylene Insulating System

丁立健Chi Xiao-Chun Ding Li-Jian Yang Jia-Xiang

Conference Record of the 1996 IEEE International Symposium on Electrical Insulation, Montreal, Qubec, Canada, June 16-19, 1996,-0001,():

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摘要/描述

In this paper, creeping discharge of oil-polypropylene insulating system have been studied using an experimental model with the flowing oil under ac voltage. The ac creeping discharge inception voltage of the oil-polypropylene system has been tested under varied conditions. According to the experimental results, all of the oil temperature, the oil flow rate and the position of poly propylene film can influence the ac creeping discharge inception voltage of oil-polypropylene system. The ac inception voltage of this system is increased along with the increase of oil temperature and oil flow rate. Moreover, the ac inception voltage is higher at the position near to oil entrance than that at the position far to oil entrance. Considering the experimental results, a new composite insulating system is put forward for reducing the negative effects of streaming electrification in larger power devices with forced-oil cooling systems.

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版权说明:以下全部内容由丁立健上传于   2006年01月17日 17时51分22秒,版权归本人所有。

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