Distributed optimal power flow with discrete control variables of large distributed power systems

Ch'i Hsin Lin*, Shin Yeu Lin

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

54 Scopus citations

Abstract

In this paper, we propose a distributed algorithm to solve the yet explored distributed optimal power flow problem with discrete control variables of large distributed power systems. The proposed algorithm consists of two distinguished features: 1) a distributed algorithm for solving continuous distributed optimal power flow to serve as a core technique in the framework of ordinal optimization (OO) strategy, and 2) implementing the OO strategy in a distributed power system to select a good enough discrete control variable solution. We have tested the proposed algorithm for several cases on the IEEE 118-bus and Tai Power 244-bus systems using a 4-PC network. The test results demonstrate the validity, robustness, and excellent computational efficiency of the proposed distributed algorithm in getting a good enough feasible solution.

Original languageEnglish
Pages (from-to)1383-1392
Number of pages10
JournalIEEE Transactions on Power Systems
Volume23
Issue number3
DOIs
StatePublished - 2008
Externally publishedYes

Keywords

  • Discrete control variables
  • Distributed computation
  • Distributed optimal power flow
  • Nonlinear programming
  • Ordinal optimization

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