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Voltage stability constrained reactive power planning (RPP) or VAr planning is a very challenging issue in power systems. This paper proposes a new approach for modeling and solving VAr planning problem taking into account the static voltage stability constraint. First, the fuzzy clustering method is employed to select new candidate VAr source locations. Then, modified Gray code is proposed and used...
Reactive power planning (VAR Planning) is one of the most challenging issues in the domain of power system research. It is a mixed integer nonlinear optimization problem with a large number of variables and uncertain parameters. In this paper, first, the fuzzy clustering method is employed to select candidate locations for installing new shunt VAR sources. Specifically, U/U0 index, G index, and a...
This paper proposes a new approach for reactive power planning (RPP) or VAR Planning with two major steps. First, the fuzzy clustering algorithm is employed to select candidate locations for installing new shunt VAR sources. Second, a piecewise linear method is proposed for VAR capacity optimization via minimizing the total cost for system operation. In the cost minimization model, the tie-line total...
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