Research on multi-objective coordinated control strategy of DC direct-mounted energy storage system

Peipei Liang; Meijuan Yang; Dengjiang Xing; Zhilei Si; Kun Han; Kuan Zheng; Yiming Zhang

doi:10.1117/12.3024232

13 May 2024 Research on multi-objective coordinated control strategy of DC direct-mounted energy storage system

Peipei Liang, Meijuan Yang, Dengjiang Xing, Zhilei Si, Kun Han, Kuan Zheng, Yiming Zhang

Proceedings Volume 13159, Eighth International Conference on Energy System, Electricity, and Power (ESEP 2023); 131591D (2024) https://doi.org/10.1117/12.3024232
Event: Eighth International Conference on Energy System, Electricity and Power (ESEP 2023), 2023, Wuhan, China

Abstract

When large-scale renewable energy is connected to the power grid, its fluctuation will affect the power balance and frequency stability of the system. By connecting the Energy Storage System (ESS) on the DC side of the DC transmission system, the stability of new energy access in the power grid can be effectively enhanced. This paper first analyzes the working principle and power instruction calculation method of the DC direct-mounted energy storage system (DCDM-ESS), which participates in stabilizing the output fluctuation of new energy and supporting the power grid with peak load and frequency regulation, then explains the priority allocation principle of DCDM-ESS participating in peak load and frequency regulation under transient/steady operation of the system, proposes the multi-objective coordinated control strategy of DCDM-ESS, and summarizes the energy management method of the system. Finally, the above strategies are verified by PSCAD/EMTDC offline simulation software.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Peipei Liang, Meijuan Yang, Dengjiang Xing, Zhilei Si, Kun Han, Kuan Zheng, and Yiming Zhang "Research on multi-objective coordinated control strategy of DC direct-mounted energy storage system", Proc. SPIE 13159, Eighth International Conference on Energy System, Electricity, and Power (ESEP 2023), 131591D (13 May 2024); https://doi.org/10.1117/12.3024232

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