Performability of electric-power systems modeled by non-homogeneous Markov chains

Author

Platis, Agapios ; Limnios, Nikolaos ; Du, Marc Le

Author_Institution

Electr. de France, Clamart, France

Volume

45

Issue

4

fYear

1996

fDate

12/1/1996 12:00:00 AM

Firstpage

605

Lastpage

610

Abstract

This paper treats a particular type of Markov system: time nonhomogeneous Markov system in discrete time. In order to adapt measures to this kind of system, performability measures are formulated, such as new indicators more dedicated to electrical power systems like `instantaneous mean load curtailed´ and `mean energy not supplied on a time interval´. This method considers hazard-rate time variation in order to: 1) obtain more-accurate and more-instructive indicators; and 2) access new performability indicators that cannot be obtained by classical methods. An example from an Electricite De France electrical substation illustrates this

Keywords

Markov processes; failure analysis; power system reliability; probability; substations; Electricite De France; discrete time nonhomogeneous Markov chains; electric power system performability; electrical substation; hazard-rate time variation; instantaneous mean load curtailed; mean energy not supplied on a time interval; performability indicators; Availability; Electric variables measurement; Energy measurement; Performance evaluation; Power system measurements; Power system modeling; Power system restoration; Substations; Time measurement; Time varying systems;

fLanguage

English

Journal_Title

Reliability, IEEE Transactions on

Publisher

ieee

ISSN

0018-9529

Type

jour

DOI

10.1109/24.556582

Filename

556582