A comparative study on different models to evaluate reliability of power distribution network components

Author

Kannan, Sasitharan ; Au, Mau Teng ; Hashim, Amir Hisham

Author_Institution

Univ. Tenaga Nasional, Kajang, Malaysia

fYear

2009

fDate

7-8 Dec. 2009

Firstpage

78

Lastpage

83

Abstract

This paper presents an approach to evaluate the reliability of distribution network components (transformers and underground cables) by modifying the components failure rate based on its operating conditions. Expressions to determine failure rates of each component are established as functions of equipment loading, cable joints and cable length. It is shown that reliability curves of transformers and underground cables based on exponential and Weibull distributions derived using modified failure rate gives more realistic results.

Keywords

Weibull distribution; fault diagnosis; power distribution faults; power distribution reliability; power transformers; underground cables; Weibull distributions; cable joints; cable length; equipment loading; exponential distributions; modified failure rate; power distribution network component reliability; transformers; underground cables; Aging; Cables; Exponential distribution; Power distribution; Power system modeling; Power system reliability; Power systems; Predictive models; Transformers; Weibull distribution; Distribution components; Exponential distribution; Markov model; Reliability; Weibull distribution;

fLanguage

English

Publisher

ieee

Conference_Titel

Energy and Environment, 2009. ICEE 2009. 3rd International Conference on

Conference_Location

Malacca

Print_ISBN

978-1-4244-5144-9

Electronic_ISBN

978-1-4244-5145-6

Type

conf

DOI

10.1109/ICEENVIRON.2009.5398665

Filename

5398665