Safety assessment of AC earthing systems in a DC traction-supply substation

被引：3

作者：

Lee, CH ^{[1
]}

Lin, SD ^{[1
]}

机构：

[1] Natl Yunlin Univ Sci & Technol, Douliou, Yunlin, Taiwan

来源：

IEE PROCEEDINGS-ELECTRIC POWER APPLICATIONS | 2005年 / 152卷 / 04期

关键词：

D O I：

10.1049/ip-epa:20045191

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：

The paper assesses safety of AC earthing systems in a DC traction-supply substation (TSS) by comparing the designed mesh and step voltages to the maximum tolerable voltages. Generally, IEEE 80 criteria are based on the maximum tolerable body current to prevent fibrillation of the human heart, and this current is then translated into tolerable touch and step voltages. As a result, safety assessment of AC earthing systems in a DC TSS is referred to a procedure by which the designed mesh and step voltages are computed and compared with the tolerable touch and step voltages. Computation results of AC earthing systems for the orange line at O19 TSS in Taipei rapid-transit systems are presented as an example.

引用

页码：885 / 893

页数：9

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