Monthly Unit Commitment Model and Algorithm with Renewable Energy Generation Considering System Reliability

Table 3

Calculation results.

Scale	Results	Algorithm
		AGA	GA	BBO
10; units	optimal cost/10^7$	1.5037	1.5106	1.5137
	worst cost/10^7$	1.5525	1.5429	1.5525
	average cost/10^7$	1.5290	1.5366	1.5390
	time/s	68	62	64
	reliable rate	0.0883	0.0985	0.0993
20; units	optimal cost/10^7$	3.1003	3.1068	3.1163
	worst cost/10^7$	3.2806	3.2907	3.2904
	average cost/10^7$	3.2066	3.2512	3.2566
	time/s	138	136	148
	reliable rate	0.0916	0.1005	0.1016
40; units	optimal cost/10^7$	6.3677	6.3881	6.36907
	worst cost/10^7$	6.5470	6.5618	6.5660
	average cost/10^7$	6.4681	6.4870	6.4088
	time/s	206	209	210
	reliable rate	0.0897	0.1102	0.1097
60; units	optimal cost/10^7$	9.5410	9.5776	9.5561
	worst cost/10^7$	9.7963	9.8064	9.7988
	average cost/10^7$	9.6905	9.7173	9.7003
	time/s	289	367	328
	reliable rate	0.0812	0.0864	0.0822
80; units	optimal cost/10^7$	12.833	12.908	12.862
	worst cost/10^7$	13.345	13.679	13.447
	average cost/10^7$	13.069	13.240	13.165
	time/s	363	488	420
	reliable rate	0.1069	0.1573	0.1307
100; units	optimal cost/10^7$	16.017	16.099	16.087
	worst cost/10^7$	16.320	16.414	16.339
	average cost/10^7$	16.198	16.228	16.205
	time/s	493	692	583
	reliable rate	0.0993	0.1581	0.1229

Note: BBO is biogeography-based optimization algorithm.