Research on Impulse Impedance Measurement for Grounding Device of Transmission Tower

被引：0
|
作者：
Si Wen-Rong [1 ]
Fu Chen-Zhao [1 ]
Lu Bing-Bing [1 ]
Guo Xiang [2 ]
Xu Zhi-Bing [2 ]
机构：
[1] State Grid Shanghai Elect Power Res Inst, Shanghai, Peoples R China
[2] Xiamen Red Phase Elect Power Equipment Co Ltd, Xiamen, Peoples R China
来源：
2016 IEEE INTERNATIONAL CONFERENCE ON HIGH VOLTAGE ENGINEERING AND APPLICATION (ICHVE) | 2016年
关键词：
transmission tower; grounding device; impulse grounding impedance; on-site test; 1000; kV;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
For obtaining impulse impedance characteristics for grounding device of UHV 1000 kV transmission tower, a portable instrument is used as the incident wave source to the grounding device, which stably outputs a 8/20 mu s standard lightning current with simultaneous measurement of the response transient voltage. Tests and date recording were done to some standard resistances with nominal values, and a typical tower of UHV 1000 kV An-Tong line in Shanghai Power Grid. Transient grounding resistance in time and frequency domain (TGRT and TGRF) are analyzed and compared abased on the measured current and voltage waveforms.
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页数：4
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