Research on protection equipment with digital interface based on IEC-61850

被引：0
|
作者：
Hou, Hui [1 ]
Xu, Tianqi [1 ]
You, Dahai [1 ]
Yin, Xianggen [1 ]
Chen, Wei [1 ]
Wang, Bo [1 ]
He, Xiongkai
机构：
[1] Huazhong Univ Sci & Technol, Coll Elect & Elect Engn, Wuhan 430074, Hubei, Peoples R China
来源：
2007 IEEE POWER ENGINEERING SOCIETY GENERAL MEETING, VOLS 1-10 | 2007年
基金：
中国国家自然科学基金;
关键词：
ethernet controller; optical fiber; power system protection; IEC-61850;
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：
A newly developed microcomputer relay protection with digital interface is presented. It adopts digital optical communication technology and Ethernet network instead of traditional metallic cable. Therefore it can highly enhance the anti-interference ability and reliability of the protections. The hardware structure and software pattern are introduced respectively. The new protection adopts the high-speed DSP TMS320VC33 as its hardware platform and RTL8019AS as the Ethernet controller. Task scheduling is based on multi-task mechanism. Ethernet communication task's priority is lower than the sampling task and the protection task but higher than the keyboard and display tasks. Switches among tasks are realized by dispatching and receiving signals. Some performance test results are presented in the end and prove the new protection's potential to be realized in the field in future.
引用
收藏
页码：873 / +
页数：3
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