Multi-Power Joint Peak-Shaving Optimization for Power System Considering Coordinated Dispatching of Nuclear Power and Wind Power

Qi Liu, Jie Zhao, Youguo Shao, Libin Wen, Jianxu Wu, Dichen Liu and Yuhui Ma
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Qi Liu: School of Electrical Engineering and Automation, Wuhan University, Wuhan 430072, China
Jie Zhao: School of Electrical Engineering and Automation, Wuhan University, Wuhan 430072, China
Youguo Shao: State Grid Jiangxi Economic Research Institute, Nanchang 330096, China
Libin Wen: Electric Power Research Institute of Guangxi Power Grid Co., Ltd., Nanning 530023, China
Jianxu Wu: Electric Power Research Institute of Guangxi Power Grid Co., Ltd., Nanning 530023, China
Dichen Liu: School of Electrical Engineering and Automation, Wuhan University, Wuhan 430072, China
Yuhui Ma: School of Electrical Engineering and Automation, Wuhan University, Wuhan 430072, China

Sustainability, 2019, vol. 11, issue 17, 1-23

Abstract: The matching characteristics of wind power output and nuclear power peak shaving are studied and the influence of coordinated dispatching of wind power and nuclear power on peak shaving flexibility and cost of the power grid is analyzed. Taking the lowest total operation cost of the system as the objective and considering the operation constraints, peak shaving cost of nuclear power units and the abandoned wind cost, a multi-power dispatching model for power system is proposed. In addition, in order to accurately optimize the output of nuclear power, a method of subdividing the peak shaving depth of nuclear power to linearize the constraint of nuclear power peak shaving is proposed. The analysis of example shows that the multi-power dispatching model considering the coordinated operation of wind and nuclear power has a high operation economy and can significantly reduce the amount of wind abandonment. The daily load tracking mode can be used for the participation of nuclear power units in daily peak shaving and the feasibility and necessity of coordinated wind-nuclear dispatching are verified.

Keywords: nuclear power; wind power consumption; power system; peak shaving constraint; optimal dispatching (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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