Dual-Phase Parasitism SOS with Crossover Operator for Optimal Multi Single-Phase DG in Unbalance Distribution System

Umar Umar*, Faanzir Faanzir, Firdaus Firdaus, Indri Suryawati, Muhira Dzar Faraby, Adi Soeprijanto, Ontoseno Penangsang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

The interconnection of single-phase households DG into the existing grid requires appropriate anticipation to ensure the quality and reliability of the existing system. This paper deals with the optimal placement and sizing of multi single-phase DG in unbalanced distribution systems for power loss reduction and voltage improvement while maintaining voltage unbalance and harmonic are in the acceptable limit. Optimal location and sizing of DG are determined simultaneously using the improvement version of Symbiotic Organisms Search (SOS), called Dual-Phase Parasitism SOS (DPP-SOS) with a crossover operator. DPP-SOS consists of original parasitism (OP) and random weight parasitism (RWP). DPP-SOS was programmed using MATLAB software and validated using 26 benchmark functions. To demonstrate the effectiveness of this method in reducing losses, the DPP-SOS is also tested using 7, and 25 bus test systems. Result show that DPP-SOS with a crossover operator has been successful in determining the location and rating of single-phase and three-phases DG simultaneously. DPP-SOS has an average convergence speed of 24.08% faster than the basic SOS.

Original languageEnglish
Pages (from-to)584-593
Number of pages10
JournalInternational Journal of Intelligent Engineering and Systems
Volume15
Issue number2
DOIs
Publication statusPublished - Apr 2022

Keywords

  • Crossover operator
  • Dual-phase parasitism
  • Random weight parasitism
  • Single-phase dg
  • Voltage unbalance

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