Co-Evolutionary Multi-Swarm PSO Based Optimal Placement of Miscellaneous ‎DGs in a Real Electricity Grids Regarding Uncertainties

Document Type : Research paper

Authors

1 Department of Electrical Engineering, Damavand Branch, Islamic Azad University, Tehran, Iran

2 Department of Electrical Engineering, Azarbaijan Shahid Madani University, Tabriz, Iran

3 ‎Department of Electrical Engineering, Azarbaijan Shahid Madani University, Tabriz, Iran

Abstract

Distributed generators (DGs) facilitate minimizing a monetary objective for controlling overload or low-voltage obstacles. In conjunction with controlling such complications, a DG unit can be allocated for maximum reliability or efficiency. This study presents a new method based on a new index for locating and sizing DGs in electricity distribution systems. Stable node voltages which are known as power stability index (PSI) are considered in developing the index. An analytical method is applied in visualizing the effect of DG on losses, voltage profile, and voltage stability of the system. In this study, a new approach using co-evolutionary multi-swarm particle swarm optimization (CMPSO) algorithm is purposed for locating DGs in radial electrical distribution systems considering the uncertainty of solar power as well as load and wind power. In this paper, the optimal locations and sizes of DG units are calculated by considering the active power loss, reliability index, and PSI as objective functions. The presented algorithm is tested on 33-bus and 274-bus real distribution networks. The results of the simulation show the effectiveness of the proposed method.

Keywords

References

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Journal of Operation and Automation in Power Engineering
Volume 10, Issue 1
April 2022
Pages 71-79

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History

  • Receive Date: 10 December 2020
  • Revise Date: 27 April 2021
  • Accept Date: 10 May 2021

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