A Modified Social Spider Optimization for Economic Dispatch with Valve-Point Effects

Table 9

Best dispatch obtained by ISSO for 40-unit system with P_D 10500 MW.

Unit	1	2	3	4	5	6	7	8	9	10
Output (MW)	113.81	110.94	119.93	179.71	96.91	140.00	300.00	300.00	284.64	130.00
Unit	11	12	13	14	15	16	17	18	19	20
Output (MW)	94.00	94.00	125.00	214.77	304.39	483.77	498.09	489.49	511.50	511.22
Unit	21	22	23	24	25	26	27	28	29	30
Output (MW)	523.27	546.12	549.56	549.47	549.97	549.76	10.21	10.00	10.03	88.18
Unit	31	32	33	34	35	36	37	38	39	40
Output (MW)	190.00	190.00	190.00	200.00	200.00	200.00	110.00	110.00	109.98	511.29
Total cost ($)	122519.24