Surge Propagation and Characteristics in Building Wiring Systems

被引：0

作者：

Luo, Xiang ^{[1
]}

Du, Y. ^{[2
]}

Chen, Hongcai ^{[2
]}

机构：

[1] Shanghai Jiao Tong Univ, Dept Elect Engn, Shanghai 200030, Peoples R China

[2] Hong Kong Polytech Univ, Dept Bldg Serv Engn, Hong Kong, Hong Kong, Peoples R China

来源：

2014 INTERNATIONAL CONFERENCE ON LIGHTNING PROTECTION (ICLP) | 2014年

关键词：

surge propogation; cable; surge impedance; distribution circuit;

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：

This paper presents an experimental study of propagation characteristics of lightning surges in building wiring systems. Typical power cables or cable installations used for power distribution in buildings are selected for measurement. The influence of circuit branches and connected loads on the surges in systems is investigated as well. Finally surges measured in a large residential building are presented. It is found that surge impedance of power cables is generally lower than that of overhead lines. A significant reduction of surges is expected if the overhead line is terminated with an armored cable. Both circuit branch and connected loads can alter the waveform and amplitude of a surge significantly. This is further illustrated in the measurement of the surges conducted in a large residential building.

引用

页码：397 / 401

页数：5

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