Simulation on Surge Responses of ZnO Varistors by Voronoi Network with Actual Grain Boundary Model

被引：0
|
作者：
Hu, Jun [1 ]
Long, Wangcheng [1 ]
He, Jinliang [1 ]
Liu, Jun [1 ]
机构：
[1] Tsinghua Univ, Dept Elect Engn, State Key Lab Power Syst, Beijing 100084, Peoples R China
来源：
2010 ANNUAL REPORT CONFERENCE ON ELECTRICAL INSULATION AND DIELECTIC PHENOMENA | 2010年
关键词：
ZINC-OXIDE VARISTORS; CERAMICS; BREAKDOWN; MECHANISM; PHYSICS; SIZE;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A special simulation model for the surge responses of ZnO varistors is introduced in this paper. This model is based on the Voronoi network and contains the actual conduction mechanism of the grain boundaries, as well as the capacitances of the grain boundaries. The surge responses of the actual varistor samples were simulated and compared with the experimental results. The simulated waveforms agree with the measured ones very well, which indicates that the simulation model is quite reasonable.
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页数：4
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