Research Article

Application of Hybrid MOPSO Algorithm to Optimal Reactive Power Dispatch Problem Considering Voltage Stability

Table 5

Optimal solutions of control variables for , VD, and minimization in IEEE 30-bus system (Case  3).

VariableInitialNSGA-IIMOEA/DHMOPSO
Best Best VDBest Best Best VDBest Best Best VDBest

1.051.06881.02561.05941.0828 1.0176 1.0706 1.08861.04251.0748
1.041.05701.02461.00531.0727 1.0044 1.0642 1.08131.03161.0655
1.011.03381.02481.07801.0478 0.9998 1.0349 1.05471.01431.0452
1.011.03401.00571.05181.0480 0.9999 1.0362 1.05911.01321.0461
1.051.08771.05431.08311.0938 1.0938 1.0627 1.09861.06641.0456
1.051.05381.02871.05031.0951 1.0359 1.0597 1.07141.02381.0542
1.0780.987511.0251.0251.0250.98751.0251.051
1.0690.93750.90.96250.910.96250.93750.91250.9
1.0320.96250.950.93751.01250.98751.01251.01250.9750.9375
1.0680.950.9250.950.9750.9250.90.96250.9250.925
0.00.030.020000.020.020.010.04
0.00.010.030.020.080.060.010.030.050.04
(MW)5.83275.20645.80765.89094.9803 5.6340 5.3730 4.86385.88465.4867
VD (pu)1.15820.61140.12680.69630.71450.1137 0.8760.96250.10980.9886
0.17280.13940.14370.13150.1385 0.14720.1301 0.13670.15670.1203