Multiple criteria assessment of substation conditions by pair-wise comparison of analytic hierarchy process

Hideaki Tanaka*, Shigeyuki Tsukao, Daiki Yamashita, Takahide Niimura, Ryuichi Yokoyama

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

46 Citations (Scopus)


In this paper, the authors present a procedure of assessing equipment health for substation maintenance and upgrade planning based on the pair-wise comparison of analytic hierarchy process (AHP). The developed tool for substation asset management measures and visualizes the health conditions of substation equipment in multiple criteria. The criteria selected are to evaluate such issues as age, load factor, the number of obsolete equipment, equipment showing symptoms of failure, the same type equipment as the one failed, noise levels (the degree of achievement of noise regulation), and the amount of PCB-contaminated insulation oil. The assessment also considers the estimated changes in future years. Priority weights for the assessment criteria, differing in physical measurement units, are aggregated by the pair-wise comparison of AHP. The developed assessment procedure was applied to 74 substations in the Tokyo Electric Power service areas to evaluate its effectiveness and practicality.

Original languageEnglish
Article number5471044
Pages (from-to)3017-3023
Number of pages7
JournalIEEE Transactions on Power Delivery
Issue number4
Publication statusPublished - 2010 Oct


  • Aging
  • analytic hierarchy process
  • condition assessment
  • maintenance
  • pair-wise comparison
  • replacement
  • substation equipment
  • transformers

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Energy Engineering and Power Technology


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