J Water SRT - Aqua 53 (2004) 409-424
Optimization and simulation of a multiple reservoir system operation
Seyed Jamshid Mousavi, Abbas Gholami Zanoosi, Abbas Afshar
Structures and Hydro-structures Research Center, Department of Civil Engineering, Iran University of Science and Technology, Tehran, Iran Tel: +9821-7391-3150 Fax: +9821-745-4053 E-mail: jmosavi@iust.ac.ir
Department of Civil Engineering, Iran University of Science and Technology, Tehran, Iran
Department of Civil Engineering, Iran University of Science and Technology, Tehran, Iran E-mail: a_afshar@iust.ac.ir
ABSTRACT
Dynamic programming (DP) optimization and HEC-5 simulation models were developed for planning the long-term operation of the Karoon-Dez multireservoir system in Iran. The well-known dimensionality problem associated with DP was controlled using a heuristic approach to narrow the required search algorithm within the state space of DP. HEC-5 as a common and widely available computer program for studying reservoir systems regulation was also used to simulate operation of the Karoon-Dez system with water supply and hydropower generation objectives. HEC-5 is able to consider flood control, hydropower generation and conservation purposes. Both the DP and HEC-5 models were applied to the Karoon-Dez system consisting of six reservoirs; five reservoirs in series parallel to a sixth one. The results obtained by the HEC-5 and DP models were analysed and compared. The results show that, although the DP results were better than those of HEC-5 in terms of meeting system operating targets and energy generation, HEC-5 as a simulation model demands much less computer time and memory, making it attractive for practical use.
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