SIMULATION STUDY ON PRIMARY FREQUENCY REGULATION OF PUMPED STORAGE UNIT ASSISTED BY FLYWHEEL ENERGY STORAGE

Qiao Tianshu; Liang Shuangyin; Guo Peng; Liang Jingyu; Liu Yibing

doi:10.19912/j.0254-0096.tynxb.2023-1071

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Acta Energiae Solaris Sinica ›› 2024, Vol. 45 ›› Issue (11) : 619-626. DOI: 10.19912/j.0254-0096.tynxb.2023-1071

SIMULATION STUDY ON PRIMARY FREQUENCY REGULATION OF PUMPED STORAGE UNIT ASSISTED BY FLYWHEEL ENERGY STORAGE

Qiao Tianshu¹, Liang Shuangyin¹, Guo Peng², Liang Jingyu³, Liu Yibing¹

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Abstract

This paper presents a simplified frequency calculation model of the generator set, a flywheel energy storage system, and a pumped storage unit model, and the capacity of the flywheel energy storage system is given by mathematical deduction. A simulation experiment is conducted on the frequency characteristics of the regional power grid composed of the above models. The results show that the addition of the flywheel energy storage system improves the frequency regulation performance of the pumped storage unit while reducing the frequent movements of the mechanical components and structures of the pumped storage unit, thereby improving its reliability and service life.

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flywheels / pumped storage power plants / frequency modulation / modeling and simulation

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Qiao Tianshu, Liang Shuangyin, Guo Peng, Liang Jingyu, Liu Yibing. SIMULATION STUDY ON PRIMARY FREQUENCY REGULATION OF PUMPED STORAGE UNIT ASSISTED BY FLYWHEEL ENERGY STORAGE[J]. Acta Energiae Solaris Sinica. 2024, 45(11): 619-626 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1071

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