Research Article

A Heuristic Approach for Optimal Planning and Operation of Distribution Systems

Table 6

Best results values of IEEE 123-bus for 3 phases.

Results typeLoad profile conditionAlgorithmNo controlCase 1 valuesCase 2 valuesCase 3 values

Best fitness values; (1) for Case 1, (4) for Case 2, (6) for Case 3Simulation I (minimum load)No control0.395480.395480.395480.39548
ICA0.395480.100460.0879840.071935
PSO0.395480.100460.0923460.088997
MFO0.395480.100460.109020.079843
Simulation II (maximum load)No control0.576630.576630.576630.57663
ICA0.576630.10380.0934540.079199
PSO0.576630.10380.131660.10153
MFO0.576630.10380.108870.085254

Mean voltage magnitudes for best fitness valuesSimulation I (minimum load)No control0.964410.964410.964410.96441
ICA0.964411.01291.01141.0089
PSO0.964411.01291.01081.0113
MFO0.964411.01291.01411.0124
Simulation II (maximum load)No control0.956970.956970.956970.95697
ICA0.956971.01231.01161.009
PSO0.956971.01231.0161.0117
MFO0.956971.01231.01221.0094

Standard deviation voltage magnitudes for best fitness valuesSimulation I (minimum load)No control0.0156010.0156010.0156010.015601
ICA0.0156010.0147960.0143980.014012
PSO0.0156010.0147960.0154170.014598
MFO0.0156010.0147960.0148150.012326
Simulation II (maximum load)No control0.0187230.0187230.0187230.018723
ICA0.0187230.0156930.0149160.014876
PSO0.0187230.0156930.0156850.015844
MFO0.0187230.0156930.016380.015424