Time of outage restoration analysis in distribution systems

Mo Yuen Chow, Leroy S. Taylor, Mo Suk Chow

Research output: Contribution to journalArticlepeer-review

36 Scopus citations


This paper presents an approach that uses statistical techniques to analyze and interpret Time of Outage Restoration (TOR) data in distribution systems with respect to several selected factors. The factors are classified into three main categories : (1) Time, (2) Consequence, and (3) Environment. Each category is further broken down into groups and classes for more detailed analysis. Both statistical, quantitative results and field engineering insights will be correlated and discussed. The approach taken in this paper can be easily modified for other utilities' TOR analysis. These analyses can provide a better understanding as to how the restoration time is affected by different influential factors. The methodology and general discussion in the paper will be useful for future research and development of the Time of Outage Restoration issues in distribution systems, such as model development for customer service improvement, distribution operations, and planning.

Original languageEnglish (US)
Pages (from-to)1652-1658
Number of pages7
JournalIEEE Transactions on Power Delivery
Issue number3
StatePublished - 1996

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering


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