Abstract
In power system, the moment of inertia is the main index to measure the frequency change rate of power grid. The bidirectional power control of energy storage system improves the frequency modulation capability of power grid, which means that the energy storage system provides additional moment inertia for power grid. However, there is still a lack of relevant theoretical methods based on how to characterize the equivalent inertia of energy storage system. According to the motion equation of the rotor, the expressions of inertia of the energy storage system under different control modes are analyzed. According to the influence of the moment of inertia on the frequency variation of the power grid, the optimal frequency regulation method of the energy storage system is given. The simulation and analysis environment is established to verify the influence of different control modes of energy storage on the moment inertia and frequency change rate of power grid.
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Qie, Z., Huang, H., Li, W., Li, Z. (2020). Analysis of the Moment Inertia of Energy Storage System Under Different Control Modes. In: Xue, Y., Zheng, Y., Rahman, S. (eds) Proceedings of PURPLE MOUNTAIN FORUM 2019-International Forum on Smart Grid Protection and Control. PMF PMF 2019 2021. Lecture Notes in Electrical Engineering, vol 584. Springer, Singapore. https://doi.org/10.1007/978-981-13-9779-0_26
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DOI: https://doi.org/10.1007/978-981-13-9779-0_26
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