Table 15 Performance review of single-objective OPF case studies.
Test case | Objective function | Optimization goal | Constraints considered | Algorithm used | Key results |
|---|---|---|---|---|---|
IEEE 30-Bus | Active Power Loss Minimization (APL) | Minimize power loss in the network | Generator limits, Voltage constraints, Line flow limits | MaOSSO | Achieved a 15% reduction in APL compared to NSGA-III; convergence time reduced by 25% |
IEEE 30-Bus | Voltage Stability Index Maximization (VSI) | Maximize system stability | Generator limits, Load power factors, Transformer tap settings | MOEA/D-DE | Improved VSI by 20% over NMPSO; better stability under varying load conditions |
IEEE 57-Bus | Reactive Power Loss Minimization (RPL) | Reduce reactive power losses | Voltage constraints, Line thermal limits, Generator VAR capabilities | MaOSSO | Reduced RPL by 18%, achieving better distribution of reactive power compared to RVEA |
IEEE 57-Bus | Fuel Cost Minimization (TFC) | Minimize generation costs considering fuel | Fuel cost curves, Prohibited operating zones, Ramp rate limits | NMPSO | 10% reduction in TFC compared to traditional methods, while maintaining efficient operational stability |
IEEE 118-Bus | Emission Minimization (TE) | Reduce total emissions from generation | Emission coefficients, Generator limits, Load profiles | NSGA-III | Reduced emissions by 25%, meeting regulatory environmental standards without compromising generation efficiency |
IEEE 118-Bus | Voltage Deviation Minimization (VMD) | Ensure minimal voltage variations | Voltage limits, Transformer tap settings, Load demands | RVEA | Achieved uniform voltage profiles with 12% improvement in VMD over baseline optimization |