To achieve comprehensive energy utilization and economical operation of the system, an optimization operation strategy for a small-scale distillation plant integrated energy system (IES) is proposed in this paper. The system integrates liquid air energy storage sub-system (LAES), thermal energy storage sub-system (TES), and PV modules for the steel mill. The innovation of this work lies in the application of Information Gap Decision Theory (IGDT) to manage uncertainties in waste heat availability, enabling robust energy scheduling across risk-neutral, risk-averse, and risk-seeking scenarios. The paper investigated the impacts of robustness and opportunity radius on the system operating cost and schedule of LAES. The IGDT-based strategy proved most cost-effective, lowering total operating costs to $29,295, outperforming MOGWOA and POA, which yielded $31,748 and $31,657, respectively. The analysis also highlighted that risk awareness critically influences system costs. Specifically, in the risk-averse scenario, increasing the robustness radius from 0.0416 to 0.3279 raised costs from $30,090 to $39,534, while the risk-seeking approach offered a slight reduction in opportunity cost. These results confirm the effectiveness of the IGDT method and underscore its potential in optimizing IES operations under uncertainty.
wang, Y. , cai, B. , luo, Z. , tang, Y. , shi, K. , huang, K. , ye, Q. , chen, X. , cao, Y. and Zhou, X. (2025). Optimal strategy in integrated energy system combining liquid air storage and waste heat utilization in power system. Scientia Iranica, (), -. doi: 10.24200/sci.2025.64604.9031
MLA
wang, Y. , , cai, B. , , luo, Z. , , tang, Y. , , shi, K. , , huang, K. , , ye, Q. , , chen, X. , , cao, Y. , and Zhou, X. . "Optimal strategy in integrated energy system combining liquid air storage and waste heat utilization in power system", Scientia Iranica, , , 2025, -. doi: 10.24200/sci.2025.64604.9031
HARVARD
wang, Y., cai, B., luo, Z., tang, Y., shi, K., huang, K., ye, Q., chen, X., cao, Y., Zhou, X. (2025). 'Optimal strategy in integrated energy system combining liquid air storage and waste heat utilization in power system', Scientia Iranica, (), pp. -. doi: 10.24200/sci.2025.64604.9031
CHICAGO
Y. wang , B. cai , Z. luo , Y. tang , K. shi , K. huang , Q. ye , X. chen , Y. cao and X. Zhou, "Optimal strategy in integrated energy system combining liquid air storage and waste heat utilization in power system," Scientia Iranica, (2025): -, doi: 10.24200/sci.2025.64604.9031
VANCOUVER
wang, Y., cai, B., luo, Z., tang, Y., shi, K., huang, K., ye, Q., chen, X., cao, Y., Zhou, X. Optimal strategy in integrated energy system combining liquid air storage and waste heat utilization in power system. Scientia Iranica, 2025; (): -. doi: 10.24200/sci.2025.64604.9031
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