A graph theory approach for reliability analysis of phasor measurement units using frequency and duration technique

被引：8
|
作者：
Ghosh, Debomita [1 ]
Mishra, Anvesha [1 ]
Ghose, T. [1 ]
Mohanta, Dusmanta Kumar [2 ]
机构：
[1] BIT Mesra, Dept Elect & Elect Engn, Ranchi 835215, Jharkhand, India
[2] Maharaj Vijayaram Gajapathi Raj Coll Engn, EEE Dept, Vizianagaram, India
来源：
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART O-JOURNAL OF RISK AND RELIABILITY | 2014年 / 228卷 / 06期
关键词：
Graph theory; phasor measurement units; wide area measurement system; reliability; availability; PROTECTION; NETWORKS;
D O I：
10.1177/1748006X14539941
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Failure frequency and steady-state availability are two key indices for reliability analysis of phasor measurement units. Phasor measurement unit is the edifice of wide area measurement system and thus reliable operation is essential. Markov model is the general basis for evaluation of reliability indices, but it involves matrices of large dimension. This article describes the general purpose graphical approach for obtaining the two key reliability indices of phasor measurement units from flow graph based on Markov model. It is concerned with the calculation of availability, frequency and outage duration of phasor measurement units by module wise reliability analysis. This method itself is sufficient for sensitivity analysis of phasor measurement unit and helps in identifying the critical module within the phasor measurement unit.
引用
收藏
页码：567 / 577
页数：11
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