Analysis of the current research status of electrochemical energy storage technologies participating in auxiliary services for new power systems

Guangqi Lu; Yanyun Shang; Zhaoguang Yang; Chenglong Lei

doi:10.1117/12.2690072

10 August 2023 Analysis of the current research status of electrochemical energy storage technologies participating in auxiliary services for new power systems

Guangqi Lu, Yanyun Shang, Zhaoguang Yang, Chenglong Lei

Author Affiliations +

Proceedings Volume 12748, 5th International Conference on Information Science, Electrical, and Automation Engineering (ISEAE 2023); 127483T (2023) https://doi.org/10.1117/12.2690072
Event: 5th International Conference on Information Science, Electrical and Automation Engineering (ISEAE 2023), 2023, Wuhan, China

Abstract

In order to ensure the stable operation of the power system, conventional voltage regulation methods include adjusting the generator excitation current and voltage regulation, adjusting the transformer turns ratio and voltage regulation, using SVC, STATCOM, synchronous phase shifter, etc. In terms of frequency regulation, the primary frequency regulation method of reducing the active power of multiple generators with lower frequency is adopted, or the secondary frequency regulation method using hydropower plants and medium-temperature and medium-pressure thermal power plants as frequency regulation plants is used. In terms of peak load regulation, thermal power units are often used as flexible peak regulation power sources, and the power output of thermal power units is controlled by load changes to achieve power balance. New power systems have the characteristics of large-scale integration of new energy, and random fluctuations in power on both the power generation and load sides. Energy storage, as a powerful new regulation means, is showing significant advantages with the support of national policies. This article first analyzes the energy storage technology-related policies issued by the government, and, combined with the characteristics of electrochemical energy storage technology in power auxiliary services such as voltage regulation, frequency regulation, and peak regulation in new power systems, puts forward prospects for the future application of electrochemical energy storage technology.

Citation Download Citation

Guangqi Lu, Yanyun Shang, Zhaoguang Yang, and Chenglong Lei "Analysis of the current research status of electrochemical energy storage technologies participating in auxiliary services for new power systems", Proc. SPIE 12748, 5th International Conference on Information Science, Electrical, and Automation Engineering (ISEAE 2023), 127483T (10 August 2023); https://doi.org/10.1117/12.2690072

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KEYWORDS

Solar energy

Power grids

Photovoltaics

Control systems

Nuclear power plants

Wind energy

Hydroelectric energy

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