Table 1 Comparative analysis of capacitor bank placement techniques in distribution networks.

From: Optimizing capacitor bank placement in distribution networks using a multi-objective particle swarm optimization approach for energy efficiency and cost reduction

Reference

Optimization method

Objective(s)

Test system

Considerations

13

Graph Theory

Reactive Power Compensation, Voltage Balancing

IEEE 33-bus

High complexity, requires network modifications

14

Particle Swarm Optimization (PSO)

Loss reduction, Voltage profile improvement, Reactive power compensation

IEEE 33-bus

Premature convergence, non-optimal solutions

15

Genetic Algorithm (GA)

Power factor correction, Loss reduction

IEEE 69-bus

High computational cost, slow convergence

16

Mixed-Integer Quadratic Programming (MIQC)

Loss reduction, Voltage profile improvement

IEEE 33-bus

Limited efficiency under dynamic load conditions

17

Multi-objective GA

Loss reduction

IEEE 69-bus

Fixed capacity, limited optimization

18

Mixed-Integer Linear Programming (MILP)

Loss reduction, Voltage deviation minimization

IEEE 33-bus and 69-bus

High computational load, complex modeling

19

Hybrid GA-PSO Algorithm

Loss reduction, Voltage profile improvement, Reactive power compensation

IEEE 33-bus

Complex hybrid algorithm, longer processing time

20

Data-driven Load Forecasting

Voltage stability

IEEE 33-bus

Limited reactive power control under load variations

21

Multi-objective Optimization (MO)

Loss reduction, Cost minimization, Voltage stability

IEEE 69-bus

High complexity, long processing time

22

Artificial Bee Colony (ABC) Optimization

Voltage stability

IEEE 33-bus

Heavy computation for large networks

23

Differential Evolution (DE)

Loss reduction, Voltage profile improvement

IEEE 33-bus

Convergence issues in large networks

24

Simulated Annealing (SA)

Loss reduction, Voltage improvement

IEEE 33-bus

Risk of local optima, slow convergence

25

Tabu Search (TS)

Loss reduction

IEEE 33-bus

Limited global search capability

26

Ant Colony Optimization (ACO)

Power factor correction, Voltage stability

IEEE 33-bus and 69-bus

Slow convergence in large networks

27

Modified Swarm Optimization

Voltage profile improvement, Reactive power compensation

IEEE 33-bus

Complexity in large networks

Proposed study

Multi-Objective Particle Swarm Optimization (MOPSO)

Loss reduction, Voltage profile improvement, Cost minimization

IEEE 33-bus and 69-bus

Higher optimization efficiency, faster convergence, multi-objective adaptability