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A comprehensive approach for corrective control in power systems

  • Xi'an Jiaotong University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

An efficient and reliable algorithm is developed for studying the corrective control problem in emergencies where a major portion of the transmission system is disabled and an AC power flow solution cannot be found for the overloaded system. We first proposed a new simulation method for an unsolvable contingency, and then a linear programming algorithm is developed to restore power flow solvability as well as eliminate operational limit violations. Once operational limit violations are eliminated, we focus on the voltage stability margin (VSM) problem. For case with insufficient VSM, rather than maximizing the load margin as a direct objective function, the objective function of maximization of voltage magnitude of weak buses under the point of voltage stability is employed. The set of control actions in this paper includes rescheduling of generation, reactive power compensation, and as last resort, load shedding. Examples are presented on a real system. Key words: power systems; corrective control; power flow solvability; voltage stability margin (VSM).

Original languageEnglish
Title of host publication7th IET International Conference on Advances in Power System Control, Operation and Management (APSCOM 2006)
Edition523 CP
DOIs
StatePublished - 2006
Event7th IET International Conference on Advances in Power System Control, Operation and Management, APSCOM 2006 - Hong Kong, China
Duration: 30 Oct 20062 Nov 2006

Publication series

NameIET Conference Publications
Number523 CP

Conference

Conference7th IET International Conference on Advances in Power System Control, Operation and Management, APSCOM 2006
Country/TerritoryChina
CityHong Kong
Period30/10/062/11/06

Keywords

  • Corrective control
  • Power flow solvability
  • Power systems
  • Voltage stability margin (VSM)

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