Extension Strategy for 110kV Bus-Bar Differential Protection in Smart Substation

被引：0
|
作者：
Dai Shiqiang [1 ]
Qiu Yutao [2 ]
Wu Jing [1 ]
Hou Weihong [1 ]
机构：
[1] Hangzhou Power Supply Co, Hangzhou 310000, Zhejiang, Peoples R China
[2] Zhejiang Elect Power Co, Hangzhou 310003, Zhejiang, Peoples R China
来源：
2014 CHINA INTERNATIONAL CONFERENCE ON ELECTRICITY DISTRIBUTION (CICED) | 2014年
关键词：
Smart Substation; 110kV Bus-Bar Differential Protection; Extension Strategy; Maintenance Mechanism; Safety measures;
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：
The intuitive secondary circuits of relay protection have been changed into abstract data streams in smart substation. Reasonable safety measures must be taken during the extension with the consideration of the influence of extended lines. Based on the analysis of maintenance mechanism for smart substation, the extension strategy for 110kV Bus-Bar Differential Protection and corresponding safety measures have been proposed and been proved practical by the 110 kV Xuelin Line I& II extension project in 220 kV Wenjin smart substation.
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页数：3
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