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Optimal Reactive Power Dispatch Planning Considering Voltage Deviation Minimization in Power Systems

Author

Listed:
  • Orlando Álvarez

    (Master’s Program in Electricity, Salesian Polytechnic University, Quito EC170702, Ecuador)

  • Diego Carrión

    (Smart Grid Research Group—GIREI (Spanish Acronym), Electrical Engineering Department, Salesian Polytechnic University, Quito EC170702, Ecuador)

  • Manuel Jaramillo

    (Smart Grid Research Group—GIREI (Spanish Acronym), Electrical Engineering Department, Salesian Polytechnic University, Quito EC170702, Ecuador)

Abstract

Transmission lines in electrical power systems are studied and analyzed to improve the electrical system’s safety, stability, and optimal operation. Past research has proposed various optimization methods to address the problem of active and reactive power; however, they do not consider the voltage at the nodes, which causes losses in the system. By proposing a reduction in voltage at the nodes of the electrical system, it is possible to minimize voltage variation in the system using mixed integer nonlinear programming. The proposed methodology was tested on the IEEE 30-bus test system, where the objective function was modeled and simulated independently to test the results achieved through an AC OPF and reducing energy loss in the system. One of the most important investments was to demonstrate that the proposed methodology reduces voltage deviation at the system nodes, effectively confirming and maintaining lower active and reactive power production losses, resulting in a new type of energy planning that effectively benefits the electrical system voltage.

Suggested Citation

  • Orlando Álvarez & Diego Carrión & Manuel Jaramillo, 2025. "Optimal Reactive Power Dispatch Planning Considering Voltage Deviation Minimization in Power Systems," Energies, MDPI, vol. 18(11), pages 1-17, June.
    • Handle: RePEc:gam:jeners:v:18:y:2025:i:11:p:2982-:d:1672374
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