Abstract
In this paper, a new continuation power flow method is proposed to speed up computational time for drawing P– V curves in power systems. The continuation power flow calculation aims at successively evaluating power flow solutions in changing the nodal specified value of power flow calculation. The P– V curves are useful for static voltage instability. The conventional continuation power flow calculation methods are based on the predictor– corrector method. This paper proposes a new nonlinear predictor in the predictor– corrector method. The proposed method simultaneously evaluates a set of solution candidates through the nonlinear predictor. The effectiveness of the proposed method is demonstrated in sample systems. © 2008 Wiley Periodicals, Inc. Electr Eng Jpn, 163(4): 30–41, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/eej.20297
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