Abstract
This research tries to find the best operation strategies for a reservoir system with the Flow Direction Algorithm (FDA), which was recently introduced. This study evaluates the implementation of the FDA, for the first time, for optimizing the hydropower operation of the Karun-4 reservoir in Iran for 106 months (from October 2010 to July 2019) and for the multi-reservoir systems for 12 months. Multi-Reservoir systems which are hypothetical 4 and 10-reservoir systems are studied to demonstrate the effectiveness and robustness of the algorithms. The results are compared to those of the three most commonly used evolutionary algorithms, namely the Particle Swarm Optimization Algorithm (PSO), the Weed Algorithm (WA), and the Genetic Algorithm (GA). The multi-reservoir results indicated that the absolute optimal solution was 308.292 in the four-reservoir benchmark system (FRBS) and 1194.441 in the ten-reservoir benchmark system (TRBS), and according to these results, FDA outperformed three other algorithms. In the Karun-4 reservoir, the best approach was chosen with the analytical hierarchy process (AHP) method, and according to the results, the FDA outperformed PSO, WA, and GA. The reliability percentage for FDA, PSO, WA, and GA was 95%, 86%, 78%, and 64%, respectively. The average optimal objective function value generated by FDA was 0.138, compared with PSO, WA, and GA, with the values of 0.322, 0.631, and 1.112, respectively, being better. The hydropower produced by FDA was more than three other algorithms in less time, with the lowest coefficient of variation value, which demonstrates the power of the FDA.
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Data Availability
All data generated or used during the study are applicable if requested.
Abbreviations
- FDA :
-
Flow Direction Algorithm
- PSO :
-
Particle Swarm Optimization Algorithm
- WA :
-
Weed Algorithm
- GA :
-
Genetic Algorithm
- FRBS :
-
Four-reservoir benchmark system
- TRBS :
-
Ten-reservoir benchmark system
- AHP :
-
Analytical hierarchy process
- FA :
-
Firefly algorithm
- MPSOA :
-
Modified penguin search optimization algorithm
- HAS :
-
Harmony search algorithm
- AFSA :
-
Artificial fish swarm algorithm
- MOWCA :
-
Multi-objective water cycle algorithm
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A. Moghani: performing calculations and estimations, data processing, writing-original draft, conceptualization, design, writing review, and editing. H. Karami: conceptualization, methodology, data processing, writing review, investigation, material preparation, and editing.
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Moghani, A., Karami, H. The Implementation of a New Optimization Method for Hydropower Generation and Multi-Reservoir Systems. Water Resour Manage 38, 1711–1735 (2024). https://doi.org/10.1007/s11269-024-03762-7
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DOI: https://doi.org/10.1007/s11269-024-03762-7