Outage Data Analysis of the Overhead Transmission Lines in Kazakhstan Power System

Yerzhigit Bapin, Svetlana Ekisheva, Milorad Papic, Vasilios Zarikas

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper presents a first comprehensive statistical study of transmission inventory and outage data of overhead AC circuits in the Kazakhstan Electricity Grid Operating Company (KEGOC). The analysis is based on the data collected and reported to the KEGOC centralized outage data collection system during the years 2013 to 2018. The outage-data statistics of KEGOC have been analyzed to demonstrate the leading cause-code and seasonal contributions to the automatic outages of overhead transmission lines of 200 kV and above voltage classes. The KEGOC's 6-year collected outage data are used to estimate basic reliability indices (frequency of automatic and sustained automatic outages per circuit and per hundred kilometers, outage duration, and an element unavailability) that are needed to perform any type of probabilistic reliability studies. Also, these 6-year collected outage data are used to assess and benchmark the reliability performance of a system's zones. The importance of these kinds of data and analysis for reliability applications is stressed.

Original languageEnglish
Title of host publication2020 International Conference on Probabilistic Methods Applied to Power Systems, PMAPS 2020 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728128221
DOIs
Publication statusPublished - Aug 2020
Event2020 International Conference on Probabilistic Methods Applied to Power Systems, PMAPS 2020 - Liege, Belgium
Duration: Aug 18 2020Aug 21 2020

Publication series

Name2020 International Conference on Probabilistic Methods Applied to Power Systems, PMAPS 2020 - Proceedings

Conference

Conference2020 International Conference on Probabilistic Methods Applied to Power Systems, PMAPS 2020
CountryBelgium
CityLiege
Period8/18/208/21/20

Keywords

  • Bulk Electric System
  • Frequency and Duration of Outages
  • Kazakhstan Electricity Grid Operating Company (KEGOC)
  • Outage Data Collection
  • Overhead AC Circuits
  • Reliability
  • Statistical Analysis of Outage Data
  • Transmission
  • Transmission Outages

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Statistics, Probability and Uncertainty
  • Energy Engineering and Power Technology
  • Safety, Risk, Reliability and Quality
  • Statistics and Probability

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