SONG Tianhao,LI Kejiang,HAN Xiaoqing,et al.Coordinated Operation Strategy of Energy Storage System Participating in Multiple Application Scenarios[J].Automation of Electric Power Systems,2021,45(19):43-51.
SONG Tianhao,LI Kejiang,HAN Xiaoqing,et al.Coordinated Operation Strategy of Energy Storage System Participating in Multiple Application Scenarios[J].Automation of Electric Power Systems,2021,45(19):43-51. DOI: 10.7500/AEPS20210129002.
Coordinated Operation Strategy of Energy Storage System Participating in Multiple Application Scenarios
The temporal relationship between wind power output and load demand leads to that the energy storage used only for the wind power accommodation has idle time and capacity
resulting in its low utilization and poor economic benefits. To address this problem
the feasibility and compatibility of using such idle capacity and power of energy storage to participate in the electricity energy market and reserve ancillary service market are explored. A coordinated operation strategy for the three application scenarios of energy storage systems is proposed to improve its utilization. First
the operation scheme of energy storage for the wind power accommodation improvement is studied through an optimal unit commitment problem. Then
the idle capacity and power of energy storage are optimally scheduled to participate in the electricity energy market and reserve ancillary service market
and the operation scheme for the energy storage system is modified. Additionally
when the energy storage system bids for the reserved capacity
enough capacity room is preset to guarantee the reserved capacity is available. The simulation results of case studies show that the proposed method can significantly improve the revenue of energy storage. The effects of initial state of charge
capacity and power of energy storage on the revenue of each application scenario are also analyzed.
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