Optimal maintenance scheduling in a parallel redundant system consisting of series components in each branch

Author

Billinton, Roy ; Pan, Jun

Author_Institution

Power Syst. Res. Group, Saskatchewan Univ., Saskatoon, Sask., Canada

Volume

14

Issue

3

fYear

1999

fDate

7/1/1999 12:00:00 AM

Firstpage

928

Lastpage

933

Abstract

A set of equations is developed in this paper and used in conjunction with the minimal cut set method to evaluate the total failure frequency of a parallel redundant system consisting of series components in each branch where each component can operate in its wearout period and the failure rate of each component is not constant. The optimum maintenance intervals are determined based on the criterion that the total failure frequency of the system is minimized. The Newton-Raphson method is applied to obtain the unknown optimum maintenance intervals for the system. The proposed approach is presented and illustrated using a practical substation example

Keywords

Newton-Raphson method; maintenance engineering; optimisation; power system planning; scheduling; substations; Newton-Raphson method; failure rate; maintenance scheduling optimisation; minimal cut set method; optimum maintenance intervals; parallel redundant system; power systems; substations; total failure frequency; wearout period; Density functional theory; Distribution functions; Equations; Frequency; Hazards; Newton method; Power system reliability; Power systems; Preventive maintenance; Substations;

fLanguage

English

Journal_Title

Power Delivery, IEEE Transactions on

Publisher

ieee

ISSN

0885-8977

Type

jour

DOI

10.1109/61.772336

Filename

772336