Performance of Various Metaheuristic Techniques for Economic Dispatch Problem with Valve Point Loading Effects and Multiple Fueling Options

Table 4

Reliability based on 100 independent runs for fifteen units system with = 2630 MW.

Method	Mincost	Meancost	STDcost	Maxcost	MeanCPU time
Evolutionary strategy [19]	32568.54	32620.00	—	32710.00	0.48
PSO [20]	33858.00	33039.00	—	3331.000	26.59
Genetic algorithm [20]	33113.00	33228.00	—	3337.000	49.31
Gaussian PSO [21]	32508.12	35122.79	1918.62	38044.42	0.69
Chaotic PSO [21]	32775.68	35340.70	1942.84	38104.54	0.59
Proposed
PS	33154.10	34908.12	1712.34	36.001.14	0.640587
SA	33124.24	35012.54	1612.35	36312.12	22.78067
SQP	32567.45	33467.14	1712.12	35123.90	0.418991
PS-SQP	32005.00	32145.23	1735.12	32568.28	1.059578
SA-SQP	32000.14	32112.12	1659.38	32412.02	23.199661