Abstract
Aging failure modeling is a fundamental requirement in reliability assessment of any actual power system. The level of model detail can potentially reflect realistic means of reliability indices. In that context, this paper proposes an advanced aging failure model for overhead conductors, incorporating the effects of loading and weather conditions into the unavailability calculation. The Arrhenius life-temperature relationship is used to model the lifetime of conductors as a function of temperature. The life measure of the Arrhenius model is adopted as the scale parameter of the Weibull probability distribution. The approach to estimate parameters of the resulting Arrhenius-Weibull distribution is described in detail. Unavailability calculations are performed using the proposed aging failure model for a distribution test system. The results show that if the maximum continuous operating temperature is exceeded, the unavailability of overhead conductors increases depending on both time period, where the conductor temperature is higher than the threshold, and conductor age.
Original language | English |
---|---|
Title of host publication | 2017 IEEE PES Innovative Smart Grid Technologies Conference Europe (ISGT-Europe) |
Publisher | Institute of Electrical and Electronics Engineers (IEEE) |
Number of pages | 6 |
ISBN (Electronic) | 9781538619537, 9781538619520 (USB) |
ISBN (Print) | 9781538619544 (PoD) |
DOIs | |
Publication status | Published - 18 Jan 2018 |
Event | 2017 IEEE PES Innovative Smart Grid Technologies Conference Europe, ISGT-Europe 2017 - Torino, Italy Duration: 26 Sept 2017 → 29 Sept 2017 |
Publication series
Name | IEEE PES Innovative Smart Grid Technologies Conference Europe |
---|---|
Publisher | IEEE |
ISSN (Print) | 2165-4816 |
ISSN (Electronic) | 2165-4824 |
Conference
Conference | 2017 IEEE PES Innovative Smart Grid Technologies Conference Europe, ISGT-Europe 2017 |
---|---|
Country/Territory | Italy |
City | Torino |
Period | 26/09/17 → 29/09/17 |
Bibliographical note
Publisher Copyright:© 2017 IEEE.
Keywords
- Aging failure modeling
- Arrhenius relationship
- Overhead conductors
- Thermal stress
- Weibull distribution
ASJC Scopus subject areas
- Electrical and Electronic Engineering
- Energy Engineering and Power Technology
- Computer Networks and Communications