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A power flow solvability identification and calculation algorithm

F.M. Echavarren, E. Lobato, L. Rouco

This paper presents a continuation and optimization based algorithm to detect power flow unsolvability. In addition, the algorithm obtains the power flow solution, if it exists, no matter how ill-conditioned the power system is. The proposed algorithm is based on the parameterization of the distance from the starting point to the real power flow to be solved, using a convergence margin. The performance of the algorithm is illustrated considering an highly loaded scenario of the operation of the Spanish power system.


Keywords: Power flow solvability; Ill-conditioned systems; Convergence margin; Continuation; Optimization


Electric Power Systems Research. Volume: 76 Issue: 4 Pages: 242-250

Journal Impact Factor: JCR impact factor 2.856 (2017)

DOI reference: DOI icon 10.1016/j.epsr.2005.06.006    

Published on paper: January 2006.


    Topics research:
  • *Steady-state: load flows, analysis of power system constraints, optimal load flows, voltage control ancilliary service,short-circuits, protections in transmission and ditribution networks

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