Optimal Scheduling Strategy of Regional Power System Dominated by Renewable Energy Considering Physical and Virtual Shared Energy Storage

Zhe Chai, Junhui Liu, Yihan Zhang, Yuge Chen, Kunming Zhang, Chang Liu, Meng Yang, Shuo Yin, Weiqiang Qiu (), Zhenzhi Lin and Li Yang
Additional contact information
Zhe Chai: Economic and Technical Research Institute of State Grid Henan Province Electric Power Company, Zhengzhou 450002, China
Junhui Liu: Economic and Technical Research Institute of State Grid Henan Province Electric Power Company, Zhengzhou 450002, China
Yihan Zhang: Economic and Technical Research Institute of State Grid Henan Province Electric Power Company, Zhengzhou 450002, China
Yuge Chen: Polytechnic Institute, Zhejiang University, Hangzhou 310015, China
Kunming Zhang: College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China
Chang Liu: College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China
Meng Yang: Economic and Technical Research Institute of State Grid Henan Province Electric Power Company, Zhengzhou 450002, China
Shuo Yin: Economic and Technical Research Institute of State Grid Henan Province Electric Power Company, Zhengzhou 450002, China
Weiqiang Qiu: College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China
Zhenzhi Lin: College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China
Li Yang: College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China

Energies, 2023, vol. 16, issue 5, 1-20

Abstract: In view of the current situation of the global energy crisis and environmental pollution, the energy industry transition and environmental governance are urgently needed. To deal with the problem above, the construction of a power system dominated by renewable energy (PSDRE) with wind turbine (WT), photovoltaic (PV), biomass power (BP), and other clean, low-carbon, renewable energy sources as the principal part has become a consensus all over the world. However, the random and uncertain power output of renewable energy will not only put pressure on the power system but also lead to the unreasonable and insufficient usage of renewable energy. In this context, the energy storage (ES) effects of flexible resources, such as physical energy storage of batteries and demand response (DR), are analyzed first. Next, a modeling method for the operational characteristics of physical and virtual shared energy storage (PVSES) in regional PSDRE (RPSDRE) is proposed. Finally, an optimal scheduling strategy for RPSDRE that considers PVSES is proposed to achieve coordination of WT, PV, PVSES, and other flexible resources. The case study on RPSDRE in Lankao county, Kaifeng city, Henan province of China verifies the effectiveness and practicability of the proposed strategy.

Keywords: regional power system dominated by renewable energy (RPSDRE); physical and virtual shared energy storage (PVSES); flexible resource; coordinated operation; optimal scheduling strategy (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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