A New Reservoir Operation Chart Drawing Method Based on Dynamic Programming
Abstract
:1. Introduction
2. DP Based Reservoir Operation Chart Drawing Model
3. Case Study
3.1. Data and Brief Introduction to Research Object
3.2. Results of the Two Methods
3.3. Contrastive Analysis
4. Summary and Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Algorithms | Is the Initial Solution Needed? | Is It Random? | Is There Any Requirement for Unsmooth and Non-Convex? | Is It Possible to Get the Global Optimal Solution? | Computing Time |
---|---|---|---|---|---|
GA, PSO | Initial population needed | Yes | No | Difficult because of randomness | Short |
POA | An initial solution needed | No | Yes | Greatly influenced by initial solution | Short |
DP | Do not need | No | No | Yes | Long |
Items | Unit | Value | Items | Unit | Value |
---|---|---|---|---|---|
Normal level | m | 835 | Annual power generation | GWh | 496.0 |
Dead level | m | 818 | Coefficient of head loss | 10−5 | 8.658 |
Total volume | Gm3 | 0.308 | Biggest head loss | m | 5.590 |
Regulation volume | Gm3 | 0.134 | Coefficient of output | None | 8.3 |
Regulation performance | None | Season | Flood control level | m | 818 |
Design assurance rate | % | 95 | Flood season | None | 6~10 |
Guaranteed output | MW | 23.2 | -- | -- | -- |
Item | Unit | Conventional Method | Proposed Method | Incremental | Growth |
---|---|---|---|---|---|
Assurance rate | -- | 93% | 94% | 1% | 1.08% |
Annual power generation | GWh | 496.3 | 498.9 | 2.6 | 0.52% |
Item | Unit | Conventional Method | Proposed Method | Incremental | Growth |
---|---|---|---|---|---|
Guaranteed output | MW | 22.4 | 23.0 | 0.6 | 2.68% |
Annual power generation | GWh | 496.7 | 501.2 | 4.5 | 0.91% |
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Jiang, Z.; Qiao, Y.; Chen, Y.; Ji, C. A New Reservoir Operation Chart Drawing Method Based on Dynamic Programming. Energies 2018, 11, 3355. https://doi.org/10.3390/en11123355
Jiang Z, Qiao Y, Chen Y, Ji C. A New Reservoir Operation Chart Drawing Method Based on Dynamic Programming. Energies. 2018; 11(12):3355. https://doi.org/10.3390/en11123355
Chicago/Turabian StyleJiang, Zhiqiang, Yaqi Qiao, Yuyun Chen, and Changming Ji. 2018. "A New Reservoir Operation Chart Drawing Method Based on Dynamic Programming" Energies 11, no. 12: 3355. https://doi.org/10.3390/en11123355