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Optimal Placement of Capacitors in Radial Distribution Grids via Enhanced Modified Particle Swarm Optimization

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  • Muhammad Junaid Tahir

    (Renewable Energy Research Labortary (RENERAL) Electrical Engineering Section, British Malaysian Institute, Universiti Kuala Lumpur, Gombak 53100, Selangor, Malaysia
    Electrical Technology Section, The University of Lahore, Lahore 53700, Pakistan)

  • Muhammad Babar Rasheed

    (Escuela Politécnica Superior, ISG, Universidad de Alcalá, 28800 Alcalá de Henares, Spain)

  • Mohd Khairil Rahmat

    (Renewable Energy Research Labortary (RENERAL) Electrical Engineering Section, British Malaysian Institute, Universiti Kuala Lumpur, Gombak 53100, Selangor, Malaysia)

Abstract

This paper presents the integration of shunt capacitors in the radial distribution grids (RDG) with constant and time-varying load consideration for the reduction of power losses and total annual cost, which turns to enhance the voltage profile and annual net savings. To gather the stated goals, three objective functions are formulated with system constraints. To solve this identified problem, a novel optimization technique based on the modification of particle swarm optimization is proposed. The solution methodology is divided into two phases. In phase one, potential candidate buses are nominated using the loss sensitivity factor method and in phase two the proposed technique first selects the optimal buses for the capacitor placement among the potential buses then it decides the optimal sizing of the capacitors as well. To demonstrate the performance in terms of efficiency and strength, the proposed technique is tested on IEEE 15, 33, and 69 bus system for the optimal placement and sizing of capacitors (OPSC) problem. The results are achieved in terms of annual net savings for 15 bus (47.66 % c a s e − 1 , 32.76 % c a s e − 2 , 26.46 % c a s e − 3 ) , 33 bus (33.09% c a s e − 1 , 27.06 % c a s e − 2 , 24.15 % c a s e − 3 ), and 69 bus (34.51% c a s e − 1 , 29.43 % c a s e − 2 , 25.83 % c a s e − 3 ) which are comparable to other state of the art methods, and it also indicates the success of the proposed technique.

Suggested Citation

  • Muhammad Junaid Tahir & Muhammad Babar Rasheed & Mohd Khairil Rahmat, 2022. "Optimal Placement of Capacitors in Radial Distribution Grids via Enhanced Modified Particle Swarm Optimization," Energies, MDPI, vol. 15(7), pages 1-27, March.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:7:p:2452-:d:780580
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    References listed on IDEAS

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    1. Diego José da Silva & Edmarcio Antonio Belati & Eduardo Werley Silva dos Angelos, 2020. "FPAES: A Hybrid Approach for the Optimal Placement and Sizing of Reactive Compensation in Distribution Grids," Energies, MDPI, vol. 13(23), pages 1-18, December.
    2. Chandan Kishore & Smarajit Ghosh & Vinod Karar, 2018. "Symmetric Fuzzy Logic and IBFOA Solutions for Optimal Position and Rating of Capacitors Allocated to Radial Distribution Networks," Energies, MDPI, vol. 11(4), pages 1-14, March.
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