4.7 Article

Dynamic economic emission dispatch considering renewable energy generation: A novel multi-objective optimization approach

Journal

ENERGY
Volume 235, Issue -, Pages -

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.energy.2021.121407

Keywords

Renewable energy; Multi-objective optimization; Dynamic economic emission dispatch; Moth-flame optimization algorithm; Sustainable development

Funding

  1. key project of Tianjin Natural Sci-ence Foundation [19JCZDJC32100]
  2. Natural Science Foundation of Hebei Province of China [E2018202282]
  3. Hebei Provincial Innovation Foundation for Postgraduate [CXZZBS2020028]

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This study developed a mathematical model for HDEED considering renewable energy and proposed a solving approach based on an enhanced moth-flame optimization algorithm, resulting in a reduction in fuel costs and pollutant emissions, and an increase in the utilization of renewable energy.
This study contributes to construct the mathematical model of hybrid dynamic economic emission dispatch (HDEED) considering renewable energy generation and propose a novel solving approach based on enhanced moth-flame optimization algorithm. Renewable energy power generation technology has an important impact on reducing pollutant emissions and promoting sustainable development. There-fore, this study aims to investigate the HDEED problem in consideration of renewable energy generation and improve the economic and environmental benefits of the power system. First, a moth-flame opti-mization algorithm based on position disturbance updating strategy (MFO_PDU) was proposed aiming at the non-convex, non-linear and high-dimensional characteristics of HDEED problem. Second, the mathematical model of HDEED on the basis of Wind-Solar-Thermal integrated energy was constructed, while taking into account the valve point effect, equality constraints and inequality constraints. Finally, three cases including test systems of different scales were formulated and employed to verify the pro-posed approach, and the compromise solution was determined through membership function. The re-sults revealed that the fuel cost obtained by the MFO_PDU algorithm was 11.31%, 4.01% and 5.27% smaller than those of HHO, TSA and MFO algorithms for small-scale test system. Accordingly, the research outcomes contribute in reducing the fuel cost and pollutant emissions of power generation system, and further improving the utilization and penetration rate of renewable energy. (c) 2021 Elsevier Ltd. All rights reserved.

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