Prevention of reliability degradation from recloser-fuse miscoordination due to distributed generation

被引：138
作者：
Chaitusaney, Surachai [1 ]
Yokoyama, Akihiko [1 ]
机构：
[1] Univ Tokyo, Dept Elect Engn, Tokyo 1138656, Japan
来源：
IEEE TRANSACTIONS ON POWER DELIVERY | 2008年 / 23卷 / 04期
关键词：
distributed generation (DG); distribution system; fuse; generation threshold; protection miscoordination; recloser; reliability;
D O I：
10.1109/TPWRD.2007.915899
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：
Distributed generation (DG) may bring about reliability degradation, instead of reliability enhancement, due to recloser-fuse miscoordination. For the prevention of this reliability degradation, this paper proposes a method to find the threshold value of the DG capacity, beyond which recloser-fuse coordination is lost. Mathematical equations for protective devices are used to set up the protection settings and calculate the threshold value. Three reliability indices-SAIFI, SAIDI, and ENS-are evaluated and compared with the study cases in the reliability test system RBTS bus 2. The results show that the proposed method is effective to prevent the deterioration of system reliability. In addition, a simple modification to the protection system is presented as a preliminary solution.
引用
收藏
页码：2545 / 2554
页数：10
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