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

Table 8

Statistical results of performance metric for IEEE 30-bus and IEEE 118-bus systems.

Performance measures	IEEE 30-bus system				IEEE 118-bus system
	NSGA-II	MOAE/D	MOPSO	HMOPSO	NSGA-II	MOAE/D	MOPSO	HMOPSO
GD
Mean	0.113627	0.015378	0.015862	0.012735	0.330574	0.022916	0.024811	0.018853
Std. dev.	0.037141	0.00414	0.003135	0.002283	0.064578	0.003867	0.005095	0.003456
MSP
Mean	0.263546	0.32752	0.289632	0.186752	0.287658	0.41543	0.325624	0.253628
Std. dev.	0.040234	0.01564	0.02466	0.011338	0.058462	0.003133	0.038236	0.031247
HV
Mean	0.185746	0.22676	0.211651	0.24836	0.132385	0.153652	0.165727	0.201435
Std. dev.	0.035541	0.031572	0.041701	0.025813	0.042356	0.055814	0.063217	0.040472