A novel measure of component importance considering cost for all-digital protection systems

被引：0

作者：

Zhang, Peichao ^{[1
]}

Huo, Chao ^{[1
]}

Kezunovic, Mladen ^{[2
]}

机构：

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

[2] Texas A&M Univ, Dept Elect & Comp Engn, College Stn, TX 77843 USA

来源：

2007 IEEE POWER ENGINEERING SOCIETY GENERAL MEETING, VOLS 1-10 | 2007年

关键词：

component importance; three parameters model; reliability; all-digital protection system; cost;

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：

Component importance analysis plays an important role in system reliability theory. This paper proposes a novel measure of component importance for all-digital protection systems, which considers both the manufacturing cost and the failure cost. First, the function of manufacturing cost versus component failure rate is proposed, and the function of total cost versus system reliability for all-digital protection systems is derived. Second, the measure of importance considering cost with respect to component as well as component type is defined, and related calculation equations are derived. Afterwards, the component importance for a typical all-digital protection system is analyzed and discussed, which demonstrates the application value of the new measure of component importance. A conclusion about the benefits of the application principle and method of the new measure is given at the end.

引用

页码：1449 / 1454

页数：6