Maximization of Total Profit for Hybrid Hydro-Thermal-Wind-Solar Power Systems Considering Pumped Storage, Cascaded Systems, and Renewable Energy Uncertainty in a Real Zone, Vietnam

被引:1
|
作者
Ha, Phu Trieu [1 ,2 ]
Tran, Dao Trong [3 ]
Phan, Tan Minh [4 ]
Nguyen, Thang Trung [4 ]
机构
[1] Ton Duc Thang Univ, Fac Elect & Elect Engn, Ho Chi Minh City 700000, Vietnam
[2] Saigon Univ, Fac Elect & Telecommun, Ho Chi Minh City 700000, Vietnam
[3] Ton Duc Thang Univ, Fac Elect & Elect Engn, Div MERLIN, Ho Chi Minh City 700000, Vietnam
[4] Ton Duc Thang Univ, Fac Elect & Elect Engn, Power Syst Optimizat Res Grp, Ho Chi Minh City 700000, Vietnam
关键词
pumped storage hydropower plant; cascaded hydropower plant; wind speed; solar radiation; uncertainty; total profit; PLANTS; OPERATIONS; OPTIMIZATION; CHALLENGES; ALGORITHM; MODEL;
D O I
10.3390/su16156581
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The study maximizes the total profit of a hybrid power system with cascaded hydropower plants, thermal power plants, pumped storage hydropower plants, and wind and solar power plants over one operation day, considering the uncertainty of wind speed and solar radiation. Wind speed and solar radiation in a specific zone in Vietnam are collected using the wind and solar global atlases, and the maximum data are then supposed to be 120% of the collection for uncertainty consideration. The metaheuristic algorithms, including the original Slime mould algorithm (SMA), Equilibrium optimizer, and improved Slime mould algorithm (ISMA), are implemented for the system. ISMA is a developed version of SMA that cancels old methods and proposes new methods of updating new solutions. In the first stage, the cascaded system with four hydropower plants is optimally operated by simulating two cases: simultaneous optimization and individual optimization. ISMA is better than EO and SMA for the two cases, and the results of ISMA from the simultaneous optimization reach greater energy than individual optimization by 154.8 MW, equivalent to 4.11% of the individual optimization. For the whole system, ISMA can reach a greater total profit than EO and SMA over one operating day by USD 6007.5 and USD 650.5, equivalent to 0.12% and 0.013%. The results indicate that the optimization operation of cascaded hydropower plants and hybrid power systems can reach a huge benefit in electricity sales
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页数:19
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