Title :
Research on Modeling Methods of Relay Protection System
Author :
Zhang, Jingjing ; Ding, Ming ; Qi, Xianjun
Author_Institution :
Sch. of Electr. Eng. & Autom., Hefei Univ. of Technol., Hefei, China
Abstract :
It´s important for us to carry on reliability research of protection system. There are three methods to analyze and compute reliability index of electric relay protection system: Markov method, Fault Tree Analysis (FTA), Event Tree Analysis (ETA). The paper describes how to use these three methods to carry out quantitative analysis of protection system reliability and discusses feature and difference between them. Case study indicates that it is feasible to calculate reliability index of digital protection system using these methods.
Keywords :
Markov processes; fault trees; power system reliability; relay protection; Markov method; digital protection system; electric relay protection system; event tree analysis; fault tree analysis; reliability index; reliability research; Fault trees; Indexes; Markov processes; Power system reliability; Protective relaying; Reliability;
Conference_Titel :
Power and Energy Engineering Conference (APPEEC), 2011 Asia-Pacific
Conference_Location :
Wuhan
Print_ISBN :
978-1-4244-6253-7
DOI :
10.1109/APPEEC.2011.5749037
