A Heuristic Constructive Algorithm for Capacitor Placement on Distribution Systems

This paper presents a heuristic constructive algorithm (HCA) for optimal capacitor placement on distribution systems. This is a nonlinear mixed integer optimization problem. In the proposed approach, the integer variables are represented using sigmoid function, thus interior point optimal power flow...

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Veröffentlicht in:IEEE transactions on power systems Jg. 23; H. 4; S. 1619 - 1626
Hauptverfasser: da Silva, I.C., Carneiro, S., de Oliveira, E.J., de Souza Costa, J., Rezende Pereira, J.L., Garcia, P.A.N.
Format: Journal Article
Sprache:Englisch
Veröffentlicht: New York IEEE 01.11.2008
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Schlagworte:
Algorithms
Buses (vehicles)
Capacitors
Computational efficiency
Construction
Genetic algorithms
Heuristic
Heuristic algorithms
Heuristic programming
Lagrange multipliers
Lagrangian functions
Load flow
optimal capacitor placement
optimal power flow
Optimization
Placement
Power capacitors
Power distribution
Power factor correction
Reactive power
Voltage
ISSN:0885-8950, 1558-0679
Online-Zugang:Volltext
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Beschreibung
Zusammenfassung:This paper presents a heuristic constructive algorithm (HCA) for optimal capacitor placement on distribution systems. This is a nonlinear mixed integer optimization problem. In the proposed approach, the integer variables are represented using sigmoid function, thus interior point optimal power flow formulation can be applied to obtain sensitivity indexes based on Lagrange multipliers, reactive power, and bus voltage. The methodology is applied to two power distribution systems, and the results are compared with those obtained using a genetic algorithm approach.
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ISSN:0885-8950
1558-0679
DOI:10.1109/TPWRS.2008.2004742