Research Article
CO2 Emission-Constrained Short-Term Unit Commitment Problem Using Shuffled Frog Leaping Algorithm
Table 2
W1 = 1 and W2 = 0 conditions.
| | Hours | Unit commitment schedule | Fuel cost ($) | Start-up cost ($) | Emission (t-CO2) | Start-up emission (t-CO2) | Total operating cost ($) | Total CO2 emission (t-CO2) | | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13683.13 | 0.00 | 638.67 | 0.00 | 13683.13 | 638.67 | | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14554.50 | 0.00 | 679.34 | 0.00 | 14554.50 | 679.34 | | 3 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 16809.45 | 1783.52 | 748.08 | 7.23 | 18592.96 | 755.31 | | 4 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 18597.67 | 0.00 | 819.97 | 0.00 | 18597.67 | 819.97 | | 5 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 20020.02 | 1113.78 | 897.93 | 26.13 | 21133.80 | 924.06 | | 6 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 22387.04 | 1096.29 | 1006.96 | 25.67 | 23483.34 | 1032.63 | | 7 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 23261.98 | 0.00 | 1047.80 | 0.00 | 23261.98 | 1047.80 | | 8 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 24150.34 | 0.00 | 1085.41 | 0.00 | 24150.34 | 1085.41 | | 9 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 27251.06 | 858.24 | 1111.71 | 3.76 | 28109.30 | 1115.47 | | 10 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 30057.55 | 60.00 | 1135.34 | 0.28 | 30117.55 | 1135.62 | | 11 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 30978.14 | 0.00 | 1142.73 | 0.00 | 30978.14 | 1142.73 | | 12 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 33944.76 | 120.00 | 1123.94 | 0.55 | 34064.76 | 1124.49 | | 13 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 30057.55 | 0.00 | 1135.34 | 0.00 | 30057.55 | 1135.34 | | 14 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 27251.06 | 0.00 | 1111.71 | 0.00 | 27251.06 | 1111.71 | | 15 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 24150.34 | 0.00 | 1085.41 | 0.00 | 24150.34 | 1085.41 | | 16 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 21513.66 | 0.00 | 966.20 | 0.00 | 21513.66 | 966.20 | | 17 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 20641.82 | 0.00 | 925.50 | 0.00 | 20641.82 | 925.50 | | 18 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 22387.04 | 0.00 | 1006.96 | 0.00 | 22387.04 | 1006.96 | | 19 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 24150.34 | 0.00 | 1085.41 | 0.00 | 24150.34 | 1085.41 | | 20 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 29137.94 | 824.70 | 1126.86 | 4.04 | 29962.64 | 1130.90 | | 21 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 27251.06 | 0.00 | 1111.71 | 0.00 | 27251.06 | 1111.71 | | 22 | 1 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 22655.35 | 0.00 | 894.83 | 0.00 | 22655.35 | 894.83 | | 23 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 17838.16 | 0.00 | 832.61 | 0.00 | 17838.16 | 832.61 | | 24 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15427.42 | 0.00 | 720.09 | 0.00 | 15427.42 | 720.09 | | Total cost ($) | 559057.3 | 5856.53 | 23440.51 | 67.66 | 564913.8 | 23508.17 |
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