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Open AccessArticle

Short-Term Optimal Operation of a Wind-PV-Hydro Complementary Installation: Yalong River, Sichuan Province, China

State Key Laboratory of Hydraulics and Mountain River Engineering, College of Water Resource and Hydropower, Sichuan University, Chengdu 610065, Sichuan, China
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Energies 2018, 11(4), 868; https://doi.org/10.3390/en11040868
Received: 8 March 2018 / Revised: 31 March 2018 / Accepted: 4 April 2018 / Published: 9 April 2018
How to effectively use clean renewable energy to improve the capacity of the power grid to absorb new energy and optimize the power grid structure has become one of China’s current issues. The Yalong River Wind-PV-Hydro complementary clean energy base was chosen as the research object from which to analyze the output complementarity principle and characteristics of wind farms, photovoltaic power plants, and hydropower stations. Then, an optimization scheduling model was established with the objective of minimizing the amount of abandoned wind and photovoltaic power and maximizing the stored energy in cascade hydropower stations. A Progress Optimality Algorithm (POA) was used for the short-term optimal operation of Wind-PV-Hydro combinations. The results show that use of cascaded hydropower storage capacity can compensate for large-scale wind power and photovoltaic power, provide a relatively sustained and stable power supply for the grid. Wind-PV-Hydro complementary operation not only promotes wind power and photovoltaic power consumption but also improves the efficiency of using the original transmission channel of hydropower. This is of great significance to many developing countries in formatting a new green approach, realizing low-carbon power dispatch and trade and promoting regional economic development. View Full-Text
Keywords: wind power; photovoltaic power; hydropower; complementary operation scheduling; progress optimality algorithm (POA) wind power; photovoltaic power; hydropower; complementary operation scheduling; progress optimality algorithm (POA)
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Zhang, X.; Ma, G.; Huang, W.; Chen, S.; Zhang, S. Short-Term Optimal Operation of a Wind-PV-Hydro Complementary Installation: Yalong River, Sichuan Province, China. Energies 2018, 11, 868.

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