Annual risk assessment for overload security

Youjie Dai, James D. McCalley, Nicholas Abi-Samra, Vijay Vittal

Research output: Contribution to journalArticle

59 Citations (Scopus)

Abstract

This paper presents an approach to assess the cumulative risk associated with overload security for the purposes of midterm power system planning. The work is motivated by a need to refine bulk power system reliability assessment to meet the needs of the restructured industry. There are two main contributions to the work. First, the assessment is performed over a year-long trajectory of hourly operating conditions, resulting in reliability assessment of all expected conditions and not just a limited number of snapshots. Secondly, the assessment is quantified by a risk index comprised of summed products of probability and consequence. This index is a good indicator of the actual reliability level, it is decomposable, and it can be effectively integrated into economic decision making paradigms. The work is illustrated using the 1996 IEEE Reliability Test System.

Original languageEnglish (US)
Pages (from-to)616-623
Number of pages8
JournalIEEE Transactions on Power Systems
Volume16
Issue number4
DOIs
StatePublished - Nov 2001
Externally publishedYes

Fingerprint

Risk assessment
Decision making
Trajectories
Planning
Economics
Industry

Keywords

  • Decision
  • Overload security
  • Planning
  • Probabilistic risk
  • Reliability
  • Sequential trajectory

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Annual risk assessment for overload security. / Dai, Youjie; McCalley, James D.; Abi-Samra, Nicholas; Vittal, Vijay.

In: IEEE Transactions on Power Systems, Vol. 16, No. 4, 11.2001, p. 616-623.

Research output: Contribution to journalArticle

Dai, Youjie ; McCalley, James D. ; Abi-Samra, Nicholas ; Vittal, Vijay. / Annual risk assessment for overload security. In: IEEE Transactions on Power Systems. 2001 ; Vol. 16, No. 4. pp. 616-623.
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