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【期刊论文】Flashover Performance of Alumina Insulators In Vacuum
丁立健, Jinzhuang Lu, Lijian Ding, C.R. Li, Jingchun Wang, Wei Wang, Yangchun Cheng
Conference Record of the 2002 IEEE International Symposium on Electrical Insulation, Boston, MA USA, April 7-10, 2002,-0001,():
-1年11月30日
Based on the experimental results--the trap distribution characteristic and flashover performance of Alumina ceramic samples in vacuum which were prepared by different ways, this paper try to discuss the relationship between the trap distribution and the flashover performance of Alumina ceramic sample. Comparing with the flashover performance of the insulator sam-pies in vacuum, it was found that the trap distribution could influence on the flashover performance. Based on our investigations, the relationship between the trap distribution and the flashover performance was discussed. It seems that the trap distribution maybe, the better parameter to reflect the flashover performance, and the further more works are needed to set up the relationship between the trap and the flashover.
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【期刊论文】EXPERIMENTAL STUDY ON THE TSC OF ALUMINA CERAMICS
丁立健, Jinzhuang Lu, Lijian Ding, C.R. Li, Jingchun Wang, Youping Tu
,-0001,():
-1年11月30日
This paper has investigated the thermally stimulated current (TSC) of Alumina ceramics using a uniform electrode system. Experimental results with different Alumina ceramics showed that TSC characteristics of the samples prepared with varied metal oxide additives was different. The trap distribution parameters were calculated from TSC curves, the calculation results show that the additives significantly influence the trap distribution.
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【期刊论文】Study on the trap distribution characteristic of alumina ceramics
丁立健, Jinzhuang, Lu, Lijian Ding, C.R. Li, Wei Wang, Jingchun Wang
,-0001,():
-1年11月30日
It was considered that the trap distribution of alumina ceramics could affect the flashover performance of insulators. This paper investigated the trap distribution of alumina ceramic samples with different additives and different sintering temperature respectively. Experimental results show that the additives and sintering temperature play an important role on the trap distribution of alumina ceramics respectively, especially on the trap energy distribution, and they affect the trap distribution of alumina ceramics significantly.
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【期刊论文】An Experimental Study of EHD Coupled Heat Transfer
丁立健, Yang, Jia-Xiang Ding, Li-Jian, Yang He
Conference on Electrical Insulation and Dielectric Phenomena, San Francisco, October 20-23, 1996,-0001,():
-1年11月30日
In this paper, the EHD coupled heat transfer systems have been investigated using a double electrodes' cylinder heat transfer model. Freon-11 is selected as working fluid. The condensation coefficient, the boiling heat flux and the saturation pressure are measured in this investigation. According to the experimental results, it is found that the electrical field can enhance both boiling and condensation heat transfer. The enhancement of condensation heat transfer is more obvious than that of only one electrode heat transfer model. The experimental results have been discussed.
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