INFLUENCE OF GROUNDING RESISTANCE ON EFFECTIVENESS OF LIGHTNING PROTECTION FOR POWER DISTRIBUTION LINES WITH SURGE ARRESTERS

被引：0
|
作者：
Takahashi, Akihisa [1 ]
Furukawa, Seiji [1 ]
Ishimoto, Kazuyuki [1 ]
Asakawa, Akira [1 ]
Hidaka, Tetsuya [2 ]
机构：
[1] CRIEPI, Tokyo, Japan
[2] Chugoku Elect Power Co Inc, Hiroshima, Japan
来源：
2010 30TH INTERNATIONAL CONFERENCE ON LIGHTNING PROTECTION (ICLP) | 2010年
关键词：
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：
We clarified the influence of grounding resistance on the effectiveness of lightning protection for power distribution lines with a ground wire (GW) and surge arresters (SAs) by EMTP analysis and experiments. The results indicated that power distribution lines with both a GW and SAs can increase the lightning protection level against direct hits without lowering the grounding resistance compared with using only SAs. A cost reduction and the improvement of the electric supply reliability can be expected by exchanging part of the grounding cost with the installation of a lot of lightning protection devices on power distribution lines.
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页数：6
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