Optimization of reservoir operation using linear program, case study of Riam Jerawi Reservoir, Indonesia

The pattern of water use operation is important to ensure the continuity of water supply system of a reservoir. This pattern, which is usually called power rule curve in a hydropower system, should be optimally obtained, so that the yielded electrical power also becomes optimal while the continuity...

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Bibliographic Details
Published in:International journal of river basin management 2017-04, Vol.15 (2), p.187-198
Main Authors: Ginting, Bobby Minola, Harlan, Dhemi, Taufik, Ahmad, Ginting, Herli
Format: Article
Language:English
Subjects:
Computer simulation
Continuity (mathematics)
Electric power
Electric power generation
Energy
Energy shortages
Freshwater
Hydroelectric power
linear program
Mathematical models
Maximization
Objective functions
Optimization
optimization model
Optimization models
power rule curve
Reservoir operation
Reservoir storage
Reservoirs
Shortages
Simulation
Simulation models
Water conveyance
Water management
Water supply
Water supply systems
Water use
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Summary:The pattern of water use operation is important to ensure the continuity of water supply system of a reservoir. This pattern, which is usually called power rule curve in a hydropower system, should be optimally obtained, so that the yielded electrical power also becomes optimal while the continuity of reservoir storage can also be tenable. In this study, in order to satisfy the main objective of Riam Jerawi Reservoir, where the energy of 6 MW should be provided every month, a linear optimization model is applied for three objective functions such as maximizing total energy, maximizing minimum energy and minimizing energy shortage. In addition, a simulation model is also presented for comparison purpose particularly to emphasize some disadvantages of using this model. The results show that the optimum energy can be achieved by applying this optimization model where the continuity of reservoir volume is also satisfied. Meanwhile, the simulation model produces the rule curve, which cannot satisfy the continuity criterion. This optimization model is expected to be applied for other similar cases and give the optimum power rule curve for the related stakeholders.
ISSN:1571-5124
1814-2060
DOI:10.1080/15715124.2017.1298604