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A new method for improving reliability and line loss in distribution networks

IEEE Xplore
Publication Date
  • 090608 Renewable Power And Energy Systems Engineering (Excl. Solar Cells)
  • Distribution Network
  • Optimization Methods
  • Reliability
  • Computer Science


In this paper, both Distributed Generators (DG) and capacitors are allocated and sized optimally for improving line loss and reliability. The objective function is composed of the investment cost of DGs and capacitors along with loss and reliability which are converted to the genuine dollar. The bus voltage and line current are considered as constraints which should be satisfied during the optimization procedure. Hybrid Particle Swarm Optimization as a heuristic based technique is used as the optimization method. The IEEE 69-bus test system is modified and employed to evaluate the proposed algorithm. The results illustrate that the lowest cost planning is found by optimizing both DGs and capacitors in distribution networks.

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